Release version 2.2.0 (#234)

Release version 2.2.0

SUMMARY


ISSUE TYPE


Bugfix Pull Request
Docs Pull Request
Feature Pull Request
New Module Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION

Reviewed-by: Jill R <None>
Reviewed-by: None <None>
Reviewed-by: Alina Buzachis <None>
Reviewed-by: None <None>

.github/workflows/ci.yml

@@ -1,141 +0,0 @@
----
-name: CI
-'on':
-  push:
-    branches:
-      - main
-  pull_request:
-  schedule:
-    - cron: '0 6 * * *'
-
-jobs:
-
-  sanity:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python_version: ['3.7']
-        ansible_version: ['stable-2.11', 'stable-2.10', 'stable-2.9', 'devel']
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-        with:
-          path: ansible_collections/kubernetes/core
-
-      - name: Set up Python ${{ matrix.python_version }}
-        uses: actions/setup-python@v1
-        with:
-          python-version: ${{ matrix.python_version }}
-
-      - name: Check ansible version
-        uses: actions/checkout@v2
-        with:
-          repository: ansible/ansible
-          ref: ${{ matrix.ansible_version }}
-          path: ansible_collections/kubernetes/core/ansible
-
-      - name: Run sanity tests on Python ${{ matrix.python_version }}
-        run: source ./ansible/hacking/env-setup && make test-sanity PYTHON_VERSION=${{ matrix.python_version }}
-        working-directory: ./ansible_collections/kubernetes/core
-
-  integration:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        # Our old integration tests fail under newer Python versions.
-        python_version: ['3.6']
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-        with:
-          path: ansible_collections/kubernetes/core
-
-      - name: Set up Python ${{ matrix.python_version }}
-        uses: actions/setup-python@v1
-        with:
-          python-version: ${{ matrix.python_version }}
-
-      - name: Install ansible base (devel branch)
-        run: pip install https://github.com/ansible/ansible/archive/devel.tar.gz --disable-pip-version-check
-
-      - name: Run integration tests on Python ${{ matrix.python_version }}
-        run: make test-integration PYTHON_VERSION=${{ matrix.python_version }}
-        working-directory: ./ansible_collections/kubernetes/core
-
-      - name: Generate coverage report.
-        run: ansible-test coverage xml -v --requirements --group-by command --group-by version
-        working-directory: ./ansible_collections/kubernetes/core
-
-      - uses: codecov/codecov-action@v1
-        with:
-          fail_ci_if_error: false
-
-  molecule:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python_version: ['3.7']
-        ansible_version: ['==2.9.*', '==2.10.*', '']
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-        with:
-          path: ansible_collections/kubernetes/core
-
-      - name: Set up KinD cluster
-        uses: engineerd/setup-kind@v0.5.0
-
-      - name: Set up Python ${{ matrix.python_version }}
-        uses: actions/setup-python@v1
-        with:
-          python-version: ${{ matrix.python_version }}
-
-      # The 3.3.0 release of molecule introduced a breaking change. See
-      # https://github.com/ansible-community/molecule/issues/3083
-      - name: Install molecule and kubernetes dependencies
-        run: pip install ansible${{ matrix.ansible_version }} "molecule<3.3.0" yamllint kubernetes flake8 jsonpatch
-
-      # The latest release doesn't work with Molecule currently.
-      # See: https://github.com/ansible-community/molecule/issues/2757
-      # - name: Install ansible base, latest release.
-      #   run: |
-      #     pip uninstall -y ansible
-      #     pip install --pre ansible-base
-
-      # The devel branch doesn't work with Molecule currently.
-      # See: https://github.com/ansible-community/molecule/issues/2757
-      # - name: Install ansible base (devel branch)
-      #   run: |
-      #     pip uninstall -y ansible
-      #     pip install https://github.com/ansible/ansible/archive/devel.tar.gz --disable-pip-version-check
-      - name: Create default collection path symlink
-        run: |
-          mkdir -p /home/runner/.ansible
-          ln -s /home/runner/work/kubernetes/kubernetes /home/runner/.ansible/collections
-
-      - name: Run molecule default test scenario
-        run: make test-molecule
-        working-directory: ./ansible_collections/kubernetes/core
-
-  unit:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python_version: ['3.7']
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v2
-        with:
-          path: ansible_collections/kubernetes/core
-
-      - name: Set up Python ${{ matrix.python_version }}
-        uses: actions/setup-python@v1
-        with:
-          python-version: ${{ matrix.python_version }}
-
-      - name: Install ansible base (devel branch)
-        run: pip install https://github.com/ansible/ansible/archive/devel.tar.gz --disable-pip-version-check
-
-      - name: Run unit tests on Python ${{ matrix.python_version }}
-        run: make test-unit PYTHON_VERSION=${{ matrix.python_version }}
-        working-directory: ./ansible_collections/kubernetes/core

.gitignore

@@ -13,3 +13,6 @@ changelogs/.plugin-cache.yaml
 tests/output
 tests/integration/cloud-config-*
 .cache
+
+# Helm charts
+molecule/default/*-chart-*.tgz

.yamllint

@@ -16,3 +16,5 @@ rules:
     indent-sequences: consistent
 ignore: |
   .cache
+  .tox
+  tests/output

CHANGELOG.rst

@@ -5,6 +5,64 @@ Kubernetes Collection Release Notes
 .. contents:: Topics
 
 
+v2.2.0
+======
+
+Minor Changes
+-------------
+
+- add support for in-memory kubeconfig in addition to file for k8s modules. (https://github.com/ansible-collections/kubernetes.core/pull/212).
+- helm - add support for history_max cli parameter (https://github.com/ansible-collections/kubernetes.core/pull/164).
+- k8s - add support for label_selectors options (https://github.com/ansible-collections/kubernetes.core/issues/43).
+- k8s - add support for waiting on statefulsets (https://github.com/ansible-collections/kubernetes.core/pull/195).
+- k8s_log - Add since-seconds parameter to the k8s_log module (https://github.com/ansible-collections/kubernetes.core/pull/142).
+- new lookup plugin to support kubernetes kustomize feature. (https://github.com/ansible-collections/kubernetes.core/issues/39).
+- re-enable turbo mode for collection. The default is initially set to off (https://github.com/ansible-collections/kubernetes.core/pull/169).
+
+Bugfixes
+--------
+
+- common - import k8sdynamicclient directly to workaround Ansible upstream bug (https://github.com/ansible-collections/kubernetes.core/issues/162).
+- connection plugin - add arguments information into censored command (https://github.com/ansible-collections/kubernetes.core/pull/196).
+- fix resource cache not being used (https://github.com/ansible-collections/kubernetes.core/pull/228).
+- k8s - Fixes a bug where diff was always returned when using apply or modifying an existing object, even when diff=no was specified. The module no longer returns diff unless requested and will now honor diff=no (https://github.com/ansible-collections/kubernetes.core/pull/146).
+- k8s_cp - fix k8s_cp uploading when target container's WORKDIR is not '/' (https://github.com/ansible-collections/kubernetes.core/issues/222).
+- k8s_exec - add missing deprecation notice to return_code for k8s_exec (https://github.com/ansible-collections/kubernetes.core/pull/233).
+- k8s_exec - fix k8s_exec returning rc attribute,  to follow ansible's common return values (https://github.com/ansible-collections/kubernetes.core/pull/230).
+- lookup - recommend query instead of lookup (https://github.com/ansible-collections/kubernetes.core/issues/147).
+- support the ``template`` param in all collections depending on kubernetes.core (https://github.com/ansible-collections/kubernetes.core/pull/154).
+
+New Plugins
+-----------
+
+Lookup
+~~~~~~
+
+- kustomize - Build a set of kubernetes resources using a 'kustomization.yaml' file.
+
+New Modules
+-----------
+
+- k8s_cp - Copy files and directories to and from pod.
+- k8s_drain - Drain, Cordon, or Uncordon node in k8s cluster
+
+v2.1.1
+======
+
+Bugfixes
+--------
+
+- check auth params for existence, not whether they are true (https://github.com/ansible-collections/kubernetes.core/pull/151).
+
+v2.1.0
+======
+
+Minor Changes
+-------------
+
+- remove cloud.common as default dependency (https://github.com/ansible-collections/kubernetes.core/pull/148).
+- temporarily disable turbo mode (https://github.com/ansible-collections/kubernetes.core/pull/149).
+
 v2.0.2
 ======
 

Makefile

@@ -1,8 +1,8 @@
 # Also needs to be updated in galaxy.yml
-VERSION = 2.0.2
+VERSION = 2.2.0
 
 TEST_ARGS ?= ""
-PYTHON_VERSION ?= `python -c 'import platform; print("{0}.{1}".format(platform.python_version_tuple()[0], platform.python_version_tuple()[1]))'`
+PYTHON_VERSION ?= `python -c 'import platform; print(".".join(platform.python_version_tuple()[0:2]))'`
 
 clean:
 	rm -f kubernetes-core-${VERSION}.tar.gz

README.md

@@ -2,7 +2,7 @@
 
 [![CI](https://github.com/ansible-collections/kubernetes.core/workflows/CI/badge.svg?event=push)](https://github.com/ansible-collections/kubernetes.core/actions) [![Codecov](https://img.shields.io/codecov/c/github/ansible-collections/kubernetes.core)](https://codecov.io/gh/ansible-collections/kubernetes.core)
 
-This repo hosts the `kubernetes.core` (formerly known as `community.kubernetes`) Ansible Collection.
+This repository hosts the `kubernetes.core` (formerly known as `community.kubernetes`) Ansible Collection.
 
 The collection includes a variety of Ansible content to help automate the management of applications in Kubernetes and OpenShift clusters, as well as the provisioning and maintenance of clusters themselves.
 
@@ -46,6 +46,7 @@ Name | Description
 Name | Description
 --- | ---
 [kubernetes.core.k8s](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_lookup.rst)|Query the K8s API
+[kubernetes.core.kustomize](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.kustomize_lookup.rst)|Build a set of kubernetes resources using a 'kustomization.yaml' file.
 
 ### Modules
 Name | Description
@@ -58,6 +59,8 @@ Name | Description
 [kubernetes.core.helm_template](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.helm_template_module.rst)|Render chart templates
 [kubernetes.core.k8s](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_module.rst)|Manage Kubernetes (K8s) objects
 [kubernetes.core.k8s_cluster_info](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_cluster_info_module.rst)|Describe Kubernetes (K8s) cluster, APIs available and their respective versions
+[kubernetes.core.k8s_cp](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_cp_module.rst)|Copy files and directories to and from pod.
+[kubernetes.core.k8s_drain](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_drain_module.rst)|Drain, Cordon, or Uncordon node in k8s cluster
 [kubernetes.core.k8s_exec](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_exec_module.rst)|Execute command in Pod
 [kubernetes.core.k8s_info](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_info_module.rst)|Describe Kubernetes (K8s) objects
 [kubernetes.core.k8s_json_patch](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/kubernetes.core.k8s_json_patch_module.rst)|Apply JSON patch operations to existing objects
@@ -82,7 +85,7 @@ You can also include it in a `requirements.yml` file and install it via `ansible
 ---
 collections:
   - name: kubernetes.core
-    version: 2.0.2
+    version: 2.2.0
 ```
 
 ### Installing the Kubernetes Python Library
@@ -159,10 +162,21 @@ If upgrading older playbooks which were built prior to Ansible 2.10 and this col
 
 For documentation on how to use individual modules and other content included in this collection, please see the links in the 'Included content' section earlier in this README.
 
-## Ansible Turbo mode
+## Ansible Turbo mode Tech Preview
 
-The ``kubernetes.core`` collection supports Ansible Turbo mode via ``cloud.common`` collection. Please read more about Ansible Turbo mode - [here](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/ansible_turbo_mode.rst).
 
+The ``kubernetes.core`` collection supports Ansible Turbo mode as a tech preview via the ``cloud.common`` collection. By default, this feature is disabled. To enable Turbo mode, set the environment variable `ENABLE_TURBO_MODE=1` on the managed node. For example:
+
+```yaml
+---
+- hosts: remote
+  environment:
+    ENABLE_TURBO_MODE: 1
+  tasks:
+    ...
+```
+
+Please read more about Ansible Turbo mode - [here](https://github.com/ansible-collections/kubernetes.core/blob/main/docs/ansible_turbo_mode.rst).
 
 ## Testing and Development
 

changelogs/changelog.yaml

@@ -413,3 +413,76 @@ releases:
     - 129-k8s-fix-apply-array-with-empty-dict.yml
     - 135-rename-apply-function.yml
     release_date: '2021-06-16'
+  2.1.0:
+    changes:
+      minor_changes:
+      - remove cloud.common as default dependency (https://github.com/ansible-collections/kubernetes.core/pull/148).
+      - temporarily disable turbo mode (https://github.com/ansible-collections/kubernetes.core/pull/149).
+    fragments:
+    - 148-remove-cloud-common-dependency.yaml
+    - 149-disable-turbo-mode.yaml
+    release_date: '2021-06-23'
+  2.1.1:
+    changes:
+      bugfixes:
+      - check auth params for existence, not whether they are true (https://github.com/ansible-collections/kubernetes.core/pull/151).
+    fragments:
+    - 151-check-auth-params-for-existence.yaml
+    release_date: '2021-06-24'
+  2.2.0:
+    changes:
+      bugfixes:
+      - common - import k8sdynamicclient directly to workaround Ansible upstream bug
+        (https://github.com/ansible-collections/kubernetes.core/issues/162).
+      - connection plugin - add arguments information into censored command (https://github.com/ansible-collections/kubernetes.core/pull/196).
+      - fix resource cache not being used (https://github.com/ansible-collections/kubernetes.core/pull/228).
+      - k8s - Fixes a bug where diff was always returned when using apply or modifying
+        an existing object, even when diff=no was specified. The module no longer
+        returns diff unless requested and will now honor diff=no (https://github.com/ansible-collections/kubernetes.core/pull/146).
+      - k8s_cp - fix k8s_cp uploading when target container's WORKDIR is not '/' (https://github.com/ansible-collections/kubernetes.core/issues/222).
+      - k8s_exec - add missing deprecation notice to return_code for k8s_exec (https://github.com/ansible-collections/kubernetes.core/pull/233).
+      - k8s_exec - fix k8s_exec returning rc attribute,  to follow ansible's common
+        return values (https://github.com/ansible-collections/kubernetes.core/pull/230).
+      - lookup - recommend query instead of lookup (https://github.com/ansible-collections/kubernetes.core/issues/147).
+      - support the ``template`` param in all collections depending on kubernetes.core
+        (https://github.com/ansible-collections/kubernetes.core/pull/154).
+      minor_changes:
+      - add support for in-memory kubeconfig in addition to file for k8s modules.
+        (https://github.com/ansible-collections/kubernetes.core/pull/212).
+      - helm - add support for history_max cli parameter (https://github.com/ansible-collections/kubernetes.core/pull/164).
+      - k8s - add support for label_selectors options (https://github.com/ansible-collections/kubernetes.core/issues/43).
+      - k8s - add support for waiting on statefulsets (https://github.com/ansible-collections/kubernetes.core/pull/195).
+      - k8s_log - Add since-seconds parameter to the k8s_log module (https://github.com/ansible-collections/kubernetes.core/pull/142).
+      - new lookup plugin to support kubernetes kustomize feature. (https://github.com/ansible-collections/kubernetes.core/issues/39).
+      - re-enable turbo mode for collection. The default is initially set to off (https://github.com/ansible-collections/kubernetes.core/pull/169).
+    fragments:
+    - 142-add-sinceseconds-param-for-logs.yaml
+    - 146-k8s-add-support-diff-mode.yml
+    - 147_lookup.yml
+    - 154-template-param-support.yaml
+    - 158-k8s-add-support-label_selectors.yml
+    - 162_import_error.yml
+    - 164-add-history-max.yaml
+    - 169-reenable-turbo-mode.yaml
+    - 195-k8s-add-wait-statefulsets.yml
+    - 196_kubectl.yaml
+    - 212-in-memory-kubeconfig.yml
+    - 223-add-deprecation-notice.yaml
+    - 223-k8s-cp-uploading.yaml
+    - 225-kustomize-lookup-plugin.yml
+    - 228-fix-resource-cache.yml
+    - 230-k8sexec-has-new-returnvalue.yml
+    modules:
+    - description: Copy files and directories to and from pod.
+      name: k8s_cp
+      namespace: ''
+    - description: Drain, Cordon, or Uncordon node in k8s cluster
+      name: k8s_drain
+      namespace: ''
+    plugins:
+      lookup:
+      - description: Build a set of kubernetes resources using a 'kustomization.yaml'
+          file.
+        name: kustomize
+        namespace: null
+    release_date: '2021-09-15'

docs/ansible_turbo_mode.rst

@@ -15,7 +15,7 @@ Following document provides overview of Ansible Turbo mode in ``kubernetes.core`
 Synopsis
 --------
 - A brief introduction about Ansible Turbo mode in ``kuberentes.core`` collection.
-- Ansible Turbo mode is an optional performance optimization. It can be enabled by simply installing the cloud.common collection.
+- Ansible Turbo mode is an optional performance optimization. It can be enabled by installing the cloud.common collection and setting the ``ENABLE_TURBO_MODE`` environment variable.
 
 Requirements
 ------------
@@ -24,6 +24,15 @@ The following requirement is needed on the host that executes this module.
 
 - The ``cloud.common`` collection (https://github.com/ansible-collections/cloud.common)
 
+You will also need to set the environment variable ``ENABLE_TURBO_MODE=1`` on the managed host. This can be done in the same ways you would usually do so, for example::
+
+  ---
+  - hosts: remote
+    environment:
+      ENABLE_TURBO_MODE: 1
+    tasks:
+      ...
+
 
 Installation
 ------------
@@ -90,7 +99,7 @@ The background service
 The daemon kills itself after 15s, and communication are done
 through an Unix socket.
 It runs in one single process and uses ``asyncio`` internally.
-Consequently you can use the ``sync`` keyword in your Ansible module.
+Consequently you can use the ``async`` keyword in your Ansible module.
 This will be handy if you interact with a lot of remote systems
 at the same time.
 

docs/docsite/extra-docs.yml

@@ -0,0 +1,5 @@
+---
+sections:
+  - title: Scenario Guide
+    toctree:
+      - scenario_guide

docs/docsite/rst/kubernetes_scenarios/k8s_intro.rst

@@ -0,0 +1,51 @@
+.. _ansible_collections.kubernetes.core.docsite.k8s_ansible_intro:
+
+**************************************
+Introduction to Ansible for Kubernetes
+**************************************
+
+.. contents::
+  :local:
+
+Introduction
+============
+
+The `kubernetes.core collection <https://galaxy.ansible.com/kubernetes/core>`_ offers several modules and plugins for orchestrating Kubernetes.
+
+Requirements
+============
+
+To use the modules, you'll need the following:
+
+- Ansible 2.9.17 or latest installed
+- `Kubernetes Python client <https://pypi.org/project/kubernetes/>`_  installed on the host that will execute the modules.
+
+
+Installation
+============
+
+The Kubernetes modules are part of the Ansible Kubernetes collection.
+
+To install the collection, run the following:
+
+.. code-block:: bash
+
+    $ ansible-galaxy collection install kubernetes.core
+
+
+Authenticating with the API
+===========================
+
+By default the Kubernetes Rest Client will look for ``~/.kube/config``, and if found, connect using the active context. You can override the location of the file using the ``kubeconfig`` parameter, and the context, using the ``context`` parameter.
+
+Basic authentication is also supported using the ``username`` and ``password`` options. You can override the URL using the ``host`` parameter. Certificate authentication works through the ``ssl_ca_cert``, ``cert_file``, and ``key_file`` parameters, and for token authentication, use the ``api_key`` parameter.
+
+To disable SSL certificate verification, set ``verify_ssl`` to false.
+
+Reporting an issue
+==================
+
+- If you find a bug or have a suggestion regarding modules or plugins, please file issues at `Ansible Kubernetes collection <https://github.com/ansible-collections/kubernetes.core/issues>`_.
+- If you find a bug regarding Kubernetes Python client, please file issues at `Kubernetes Client issues <https://github.com/kubernetes-client/python/issues>`_.
+- If you find a bug regarding Kubectl binary, please file issues at `Kubectl issue tracker <https://github.com/kubernetes/kubectl/issues>`_
+- If you find a bug regarding Helm binary, please file issues at `Helm issue tracker <https://github.com/helm/helm/issues>`_.

docs/docsite/rst/kubernetes_scenarios/k8s_inventory.rst

@@ -0,0 +1,88 @@
+.. _ansible_collections.kubernetes.core.docsite.k8s_ansible_inventory:
+
+*****************************************
+Using Kubernetes dynamic inventory plugin
+*****************************************
+
+.. contents::
+  :local:
+
+Kubernetes dynamic inventory plugin
+===================================
+
+
+The best way to interact with your Pods is to use the Kubernetes dynamic inventory plugin, which queries Kubernetes APIs using ``kubectl`` command line available on controller node and tells Ansible what Pods can be managed.
+
+Requirements
+------------
+
+To use the Kubernetes dynamic inventory plugins, you must install `Kubernetes Python client <https://github.com/kubernetes-client/python>`_, `kubectl <https://github.com/kubernetes/kubectl>`_ on your control node (the host running Ansible).
+
+.. code-block:: bash
+
+    $ pip install kubernetes
+
+Please refer to Kubernetes official documentation for `installing kubectl <https://kubernetes.io/docs/tasks/tools/install-kubectl/>`_ on the given operating systems.
+
+To use this Kubernetes dynamic inventory plugin, you need to enable it first by specifying the following in the ``ansible.cfg`` file:
+
+.. code-block:: ini
+
+  [inventory]
+  enable_plugins = kubernetes.core.k8s
+
+Then, create a file that ends in ``.k8s.yml`` or ``.k8s.yaml`` in your working directory.
+
+The ``kubernetes.core.k8s`` inventory plugin takes in the same authentication information as any other Kubernetes modules.
+
+Here's an example of a valid inventory file:
+
+.. code-block:: yaml
+
+    plugin: kubernetes.core.k8s
+
+Executing ``ansible-inventory --list -i <filename>.k8s.yml`` will create a list of Pods that are ready to be configured using Ansible.
+
+You can also provide the namespace to gather information about specific pods from the given namespace. For example, to gather information about Pods under the ``test`` namespace you will specify the ``namespaces`` parameter:
+
+.. code-block:: yaml
+
+    plugin: kubernetes.core.k8s
+    connections:
+    - namespaces:
+        - test
+
+Using vaulted configuration files
+=================================
+
+Since the inventory configuration file contains Kubernetes related sensitive information in plain text, a security risk, you may want to
+encrypt your entire inventory configuration file.
+
+You can encrypt a valid inventory configuration file as follows:
+
+.. code-block:: bash
+
+    $ ansible-vault encrypt <filename>.k8s.yml
+      New Vault password:
+      Confirm New Vault password:
+      Encryption successful
+
+    $ echo "MySuperSecretPassw0rd!" > /path/to/vault_password_file
+
+And you can use this vaulted inventory configuration file using:
+
+.. code-block:: bash
+
+    $ ansible-inventory -i <filename>.k8s.yml --list --vault-password-file=/path/to/vault_password_file
+
+
+.. seealso::
+
+    `Kubernetes Python client - Issue Tracker <https://github.com/kubernetes-client/python/issues>`_
+        The issue tracker for Kubernetes Python client
+    `Kubectl installation <https://kubernetes.io/docs/tasks/tools/install-kubectl/>`_
+        Installation guide for installing Kubectl
+    :ref:`working_with_playbooks`
+        An introduction to playbooks
+    :ref:`playbooks_vault`
+        Using Vault in playbooks

docs/docsite/rst/kubernetes_scenarios/k8s_scenarios.rst

@@ -0,0 +1,12 @@
+.. _ansible_collections.kubernetes.core.docsite.k8s_scenarios:
+
+********************************
+Ansible for Kubernetes Scenarios
+********************************
+
+These scenarios teach you how to accomplish common Kubernetes tasks using Ansible. To get started, please select the task you want to accomplish.
+
+.. toctree::
+   :maxdepth: 1
+
+   scenario_k8s_object

docs/docsite/rst/kubernetes_scenarios/scenario_k8s_object.rst

@@ -0,0 +1,175 @@
+.. _ansible_collections.kubernetes.core.docsite.k8s_object_template:
+
+*******************
+Creating K8S object
+*******************
+
+.. contents::
+  :local:
+
+Introduction
+============
+
+This guide will show you how to utilize Ansible to create Kubernetes objects such as Pods, Deployments, and Secrets.
+
+Scenario Requirements
+=====================
+
+* Software
+
+    * Ansible 2.9.17 or later must be installed
+
+    * The Python module ``kubernetes`` must be installed on the Ansible controller (or Target host if not executing against localhost)
+
+    * Kubernetes Cluster
+
+    * Kubectl binary installed on the Ansible controller
+
+
+* Access / Credentials
+
+    * Kubeconfig configured with the given Kubernetes cluster
+
+
+Assumptions
+===========
+
+- User has required level of authorization to create, delete and update resources on the given Kubernetes cluster.
+
+Caveats
+=======
+
+- community.kubernetes 2.0.0 has been renamed to `kubernetes.core <https://github.com/ansible-collections/kubernetes.core>`_
+
+Example Description
+===================
+
+In this use case / example, we will create a Pod in the given Kubernetes Cluster.  The following Ansible playbook showcases the basic parameters that are needed for this.
+
+.. code:: yaml
+
+    ---
+    - hosts: localhost
+      collections:
+        - kubernetes.core
+      tasks:
+        - name: Create a pod
+          k8s:
+            state: present
+            definition:
+            apiVersion: v1
+            kind: Pod
+            metadata:
+                name: "utilitypod-1"
+                namespace: default
+                labels:
+                    app: galaxy
+            spec:
+                containers:
+                - name: utilitypod
+                  image: busybox
+
+Since Ansible utilizes the Kubernetes API to perform actions, in this use case we will be connecting directly to the Kubernetes cluster.
+
+To begin, there are a few bits of information we will need. Here you are using Kubeconfig which is pre-configured in your machine. The Kubeconfig is generally located at ``~/.kube/config``. It is highly recommended to store sensitive information such as password, user certificates in a more secure fashion using :ref:`ansible-vault` or using `Ansible Tower credentials <https://docs.ansible.com/ansible-tower/latest/html/userguide/credentials.html>`_.
+
+Now you need to supply the information about the Pod which will be created. Using ``definition`` parameter of the ``kubernetes.core.k8s`` module, you specify `PodTemplate <https://kubernetes.io/docs/concepts/workloads/pods/#pod-templates>`_. This PodTemplate is identical to what you provide to the ``kubectl`` command.
+
+What to expect
+--------------
+
+- You will see a bit of JSON output after this playbook completes. This output shows various parameters that are returned from the module and from cluster about the newly created Pod.
+
+.. code:: json
+
+    {
+        "changed": true,
+        "method": "create",
+        "result": {
+            "apiVersion": "v1",
+            "kind": "Pod",
+            "metadata": {
+                "creationTimestamp": "2020-10-03T15:36:25Z",
+                "labels": {
+                    "app": "galaxy"
+                },
+                "name": "utilitypod-1",
+                "namespace": "default",
+                "resourceVersion": "4511073",
+                "selfLink": "/api/v1/namespaces/default/pods/utilitypod-1",
+                "uid": "c7dec819-09df-4efd-9d78-67cf010b4f4e"
+            },
+            "spec": {
+                "containers": [{
+                    "image": "busybox",
+                    "imagePullPolicy": "Always",
+                    "name": "utilitypod",
+                    "resources": {},
+                    "terminationMessagePath": "/dev/termination-log",
+                    "terminationMessagePolicy": "File",
+                    "volumeMounts": [{
+                        "mountPath": "/var/run/secrets/kubernetes.io/serviceaccount",
+                        "name": "default-token-6j842",
+                        "readOnly": true
+                    }]
+                }],
+                "dnsPolicy": "ClusterFirst",
+                "enableServiceLinks": true,
+                "priority": 0,
+                "restartPolicy": "Always",
+                "schedulerName": "default-scheduler",
+                "securityContext": {},
+                "serviceAccount": "default",
+                "serviceAccountName": "default",
+                "terminationGracePeriodSeconds": 30,
+                "tolerations": [{
+                        "effect": "NoExecute",
+                        "key": "node.kubernetes.io/not-ready",
+                        "operator": "Exists",
+                        "tolerationSeconds": 300
+                    },
+                    {
+                        "effect": "NoExecute",
+                        "key": "node.kubernetes.io/unreachable",
+                        "operator": "Exists",
+                        "tolerationSeconds": 300
+                    }
+                ],
+                "volumes": [{
+                    "name": "default-token-6j842",
+                    "secret": {
+                        "defaultMode": 420,
+                        "secretName": "default-token-6j842"
+                    }
+                }]
+            },
+            "status": {
+                "phase": "Pending",
+                "qosClass": "BestEffort"
+            }
+        }
+    }
+
+- In the above example, 'changed' is ``True`` which notifies that the Pod creation started on the given cluster. This can take some time depending on your environment.
+
+
+Troubleshooting
+---------------
+
+Things to inspect
+
+- Check if the values provided for username and password are correct
+- Check if the Kubeconfig is populated with correct values
+
+.. seealso::
+
+    `Kubernetes Python client <https://github.com/kubernetes-client/python>`_
+        The GitHub Page of Kubernetes Python client
+    `Kubernetes Python client - Issue Tracker <https://github.com/kubernetes-client/python/issues>`_
+        The issue tracker for Kubernetes Python client
+    `Kubectl installation <https://kubernetes.io/docs/tasks/tools/install-kubectl/>`_
+        Installation guide for installing Kubectl
+    :ref:`working_with_playbooks`
+        An introduction to playbooks
+    :ref:`playbooks_vault`
+        Using Vault in playbooks

docs/docsite/rst/scenario_guide.rst

@@ -0,0 +1,18 @@
+.. _ansible_collections.kubernetes.core.docsite.scenario_guide:
+
+Kubernetes Guide
+================
+
+Welcome to the Ansible for Kubernetes Guide!
+
+The purpose of this guide is to teach you everything you need to know about using Ansible with Kubernetes.
+
+To get started, please select one of the following topics.
+
+.. toctree::
+   :maxdepth: 1
+
+   kubernetes_scenarios/k8s_intro
+   kubernetes_scenarios/k8s_inventory
+   kubernetes_scenarios/k8s_scenarios
+

docs/kubernetes.core.helm_module.rst

@@ -231,6 +231,23 @@ Parameters
                         <div>Helm option to force reinstall, ignore on new install.</div>
                 </td>
             </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>history_max</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">integer</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.2.0</div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Limit the maximum number of revisions saved per release.</div>
+                        <div>mutually exclusive with with <code>replace</code>.</div>
+                </td>
+            </tr>
             <tr>
                 <td colspan="1">
                     <div class="ansibleOptionAnchor" id="parameter-"></div>
@@ -373,6 +390,7 @@ Parameters
                 <td>
                         <div>Reuse the given name, only if that name is a deleted release which remains in the history.</div>
                         <div>This is unsafe in production environment.</div>
+                        <div>mutually exclusive with with <code>history_max</code>.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_cluster_info_module.rst

@@ -161,13 +161,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_cp_module.rst

@@ -0,0 +1,554 @@
+.. _kubernetes.core.k8s_cp_module:
+
+
+**********************
+kubernetes.core.k8s_cp
+**********************
+
+**Copy files and directories to and from pod.**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- Use the Kubernetes Python client to copy files and directories to and from containers inside a pod.
+
+
+
+Requirements
+------------
+The below requirements are needed on the host that executes this module.
+
+- python >= 3.6
+- kubernetes >= 12.0.0
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="2">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>api_key</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Token used to authenticate with the API. Can also be specified via K8S_AUTH_API_KEY environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ca_cert</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a CA certificate used to authenticate with the API. The full certificate chain must be provided to avoid certificate validation errors. Can also be specified via K8S_AUTH_SSL_CA_CERT environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: ssl_ca_cert</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>client_cert</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a certificate used to authenticate with the API. Can also be specified via K8S_AUTH_CERT_FILE environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: cert_file</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>client_key</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a key file used to authenticate with the API. Can also be specified via K8S_AUTH_KEY_FILE environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: key_file</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>container</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The name of the container in the pod to copy files/directories from/to.</div>
+                        <div>Defaults to the only container if there is only one container in the pod.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>content</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>When used instead of <em>local_path</em>, sets the contents of a local file directly to the specified value.</div>
+                        <div>Works only when <em>remote_path</em> is a file. Creates the file if it does not exist.</div>
+                        <div>For advanced formatting or if the content contains a variable, use the <span class='module'>ansible.builtin.template</span> module.</div>
+                        <div>Mutually exclusive with <em>local_path</em>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>context</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The name of a context found in the config file. Can also be specified via K8S_AUTH_CONTEXT environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>host</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a URL for accessing the API. Can also be specified via K8S_AUTH_HOST environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>kubeconfig</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">raw</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>local_path</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path of the local file or directory.</div>
+                        <div>Required when <em>state</em> is set to <code>from_pod</code>.</div>
+                        <div>Mutually exclusive with <em>content</em>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>namespace</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The pod namespace name.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>no_preserve</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>The copied file/directory&#x27;s ownership and permissions will not be preserved in the container.</div>
+                        <div>This option is ignored when <em>content</em> is set or when <em>state</em> is set to <code>from_pod</code>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>password</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a password for authenticating with the API. Can also be specified via K8S_AUTH_PASSWORD environment variable.</div>
+                        <div>Please read the description of the <code>username</code> option for a discussion of when this option is applicable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>persist_config</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li>no</li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Whether or not to save the kube config refresh tokens. Can also be specified via K8S_AUTH_PERSIST_CONFIG environment variable.</div>
+                        <div>When the k8s context is using a user credentials with refresh tokens (like oidc or gke/gcloud auth), the token is refreshed by the k8s python client library but not saved by default. So the old refresh token can expire and the next auth might fail. Setting this flag to true will tell the k8s python client to save the new refresh token to the kube config file.</div>
+                        <div>Default to false.</div>
+                        <div>Please note that the current version of the k8s python client library does not support setting this flag to True yet.</div>
+                        <div>The fix for this k8s python library is here: https://github.com/kubernetes-client/python-base/pull/169</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>pod</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The pod name.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The URL of an HTTP proxy to use for the connection. Can also be specified via K8S_AUTH_PROXY environment variable.</div>
+                        <div>Please note that this module does not pick up typical proxy settings from the environment (e.g. HTTP_PROXY).</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy_headers</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">dictionary</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.0.0</div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The Header used for the HTTP proxy.</div>
+                        <div>Documentation can be found here <a href='https://urllib3.readthedocs.io/en/latest/reference/urllib3.util.html?highlight=proxy_headers#urllib3.util.make_headers'>https://urllib3.readthedocs.io/en/latest/reference/urllib3.util.html?highlight=proxy_headers#urllib3.util.make_headers</a>.</div>
+                </td>
+            </tr>
+                                <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>basic_auth</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Colon-separated username:password for basic authentication header.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_BASIC_AUTH environment.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy_basic_auth</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Colon-separated username:password for proxy basic authentication header.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_PROXY_BASIC_AUTH environment.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>user_agent</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>String representing the user-agent you want, such as foo/1.0.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_USER_AGENT environment.</div>
+                </td>
+            </tr>
+
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>remote_path</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path of the file or directory to copy.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>state</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>to_pod</b>&nbsp;&larr;</div></li>
+                                    <li>from_pod</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>When set to <code>to_pod</code>, the local <em>local_path</em> file or directory will be copied to <em>remote_path</em> into the pod.</div>
+                        <div>When set to <code>from_pod</code>, the remote file or directory <em>remote_path</em> from pod will be copied locally to <em>local_path</em>.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>username</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a username for authenticating with the API. Can also be specified via K8S_AUTH_USERNAME environment variable.</div>
+                        <div>Please note that this only works with clusters configured to use HTTP Basic Auth. If your cluster has a different form of authentication (e.g. OAuth2 in OpenShift), this option will not work as expected and you should look into the <span class='module'>community.okd.k8s_auth</span> module, as that might do what you need.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>validate_certs</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li>no</li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Whether or not to verify the API server&#x27;s SSL certificates. Can also be specified via K8S_AUTH_VERIFY_SSL environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: verify_ssl</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+Notes
+-----
+
+.. note::
+   - the tar binary is required on the container when copying from local filesystem to pod.
+   - To avoid SSL certificate validation errors when ``validate_certs`` is *True*, the full certificate chain for the API server must be provided via ``ca_cert`` or in the kubeconfig file.
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    # kubectl cp /tmp/foo some-namespace/some-pod:/tmp/bar
+    - name: Copy /tmp/foo local file to /tmp/bar in a remote pod
+      kubernetes.core.k8s_cp:
+        namespace: some-namespace
+        pod: some-pod
+        remote_path: /tmp/bar
+        local_path: /tmp/foo
+
+    # kubectl cp /tmp/foo_dir some-namespace/some-pod:/tmp/bar_dir
+    - name: Copy /tmp/foo_dir local directory to /tmp/bar_dir in a remote pod
+      kubernetes.core.k8s_cp:
+        namespace: some-namespace
+        pod: some-pod
+        remote_path: /tmp/bar_dir
+        local_path: /tmp/foo_dir
+
+    # kubectl cp /tmp/foo some-namespace/some-pod:/tmp/bar -c some-container
+    - name: Copy /tmp/foo local file to /tmp/bar in a remote pod in a specific container
+      kubernetes.core.k8s_cp:
+        namespace: some-namespace
+        pod: some-pod
+        container: some-container
+        remote_path: /tmp/bar
+        local_path: /tmp/foo
+        no_preserve: True
+        state: to_pod
+
+    # kubectl cp some-namespace/some-pod:/tmp/foo /tmp/bar
+    - name: Copy /tmp/foo from a remote pod to /tmp/bar locally
+      kubernetes.core.k8s_cp:
+        namespace: some-namespace
+        pod: some-pod
+        remote_path: /tmp/foo
+        local_path: /tmp/bar
+        state: from_pod
+
+    # copy content into a file in the remote pod
+    - name: Copy /tmp/foo from a remote pod to /tmp/bar locally
+      kubernetes.core.k8s_cp:
+        state: to_pod
+        namespace: some-namespace
+        pod: some-pod
+        remote_path: /tmp/foo.txt
+        content: "This content will be copied into remote file"
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this module:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>result</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>message describing the copy operation successfully done.</div>
+                    <br/>
+                </td>
+            </tr>
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Aubin Bikouo (@abikouo)

docs/kubernetes.core.k8s_drain_module.rst

@@ -0,0 +1,561 @@
+.. _kubernetes.core.k8s_drain_module:
+
+
+*************************
+kubernetes.core.k8s_drain
+*************************
+
+**Drain, Cordon, or Uncordon node in k8s cluster**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- Drain node in preparation for maintenance same as kubectl drain.
+- Cordon will mark the node as unschedulable.
+- Uncordon will mark the node as schedulable.
+- The given node will be marked unschedulable to prevent new pods from arriving.
+- Then drain deletes all pods except mirror pods (which cannot be deleted through the API server).
+
+
+
+Requirements
+------------
+The below requirements are needed on the host that executes this module.
+
+- python >= 3.6
+- kubernetes >= 12.0.0
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="2">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>api_key</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Token used to authenticate with the API. Can also be specified via K8S_AUTH_API_KEY environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ca_cert</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a CA certificate used to authenticate with the API. The full certificate chain must be provided to avoid certificate validation errors. Can also be specified via K8S_AUTH_SSL_CA_CERT environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: ssl_ca_cert</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>client_cert</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a certificate used to authenticate with the API. Can also be specified via K8S_AUTH_CERT_FILE environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: cert_file</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>client_key</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">path</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to a key file used to authenticate with the API. Can also be specified via K8S_AUTH_KEY_FILE environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: key_file</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>context</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The name of a context found in the config file. Can also be specified via K8S_AUTH_CONTEXT environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>delete_options</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">dictionary</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Specify options to delete pods.</div>
+                        <div>This option has effect only when <code>state</code> is set to <em>drain</em>.</div>
+                </td>
+            </tr>
+                                <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>disable_eviction</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Forces drain to use delete rather than evict.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>force</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Continue even if there are pods not managed by a ReplicationController, Job, or DaemonSet.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ignore_daemonsets</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Ignore DaemonSet-managed pods.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>terminate_grace_period</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">integer</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Specify how many seconds to wait before forcefully terminating.</div>
+                        <div>If not specified, the default grace period for the object type will be used.</div>
+                        <div>The value zero indicates delete immediately.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>wait_sleep</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">integer</span>
+                    </div>
+                </td>
+                <td>
+                        <b>Default:</b><br/><div style="color: blue">5</div>
+                </td>
+                <td>
+                        <div>Number of seconds to sleep between checks.</div>
+                        <div>Ignored if <code>wait_timeout</code> is not set.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>wait_timeout</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">integer</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The length of time to wait in seconds for pod to be deleted before giving up, zero means infinite.</div>
+                </td>
+            </tr>
+
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>host</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a URL for accessing the API. Can also be specified via K8S_AUTH_HOST environment variable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>kubeconfig</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">raw</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>name</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The name of the node.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>password</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a password for authenticating with the API. Can also be specified via K8S_AUTH_PASSWORD environment variable.</div>
+                        <div>Please read the description of the <code>username</code> option for a discussion of when this option is applicable.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>persist_config</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li>no</li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Whether or not to save the kube config refresh tokens. Can also be specified via K8S_AUTH_PERSIST_CONFIG environment variable.</div>
+                        <div>When the k8s context is using a user credentials with refresh tokens (like oidc or gke/gcloud auth), the token is refreshed by the k8s python client library but not saved by default. So the old refresh token can expire and the next auth might fail. Setting this flag to true will tell the k8s python client to save the new refresh token to the kube config file.</div>
+                        <div>Default to false.</div>
+                        <div>Please note that the current version of the k8s python client library does not support setting this flag to True yet.</div>
+                        <div>The fix for this k8s python library is here: https://github.com/kubernetes-client/python-base/pull/169</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The URL of an HTTP proxy to use for the connection. Can also be specified via K8S_AUTH_PROXY environment variable.</div>
+                        <div>Please note that this module does not pick up typical proxy settings from the environment (e.g. HTTP_PROXY).</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy_headers</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">dictionary</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.0.0</div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>The Header used for the HTTP proxy.</div>
+                        <div>Documentation can be found here <a href='https://urllib3.readthedocs.io/en/latest/reference/urllib3.util.html?highlight=proxy_headers#urllib3.util.make_headers'>https://urllib3.readthedocs.io/en/latest/reference/urllib3.util.html?highlight=proxy_headers#urllib3.util.make_headers</a>.</div>
+                </td>
+            </tr>
+                                <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>basic_auth</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Colon-separated username:password for basic authentication header.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_BASIC_AUTH environment.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>proxy_basic_auth</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Colon-separated username:password for proxy basic authentication header.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_PROXY_BASIC_AUTH environment.</div>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder"></td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>user_agent</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>String representing the user-agent you want, such as foo/1.0.</div>
+                        <div>Can also be specified via K8S_AUTH_PROXY_HEADERS_USER_AGENT environment.</div>
+                </td>
+            </tr>
+
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>state</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li>cordon</li>
+                                    <li><div style="color: blue"><b>drain</b>&nbsp;&larr;</div></li>
+                                    <li>uncordon</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Determines whether to drain, cordon, or uncordon node.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>username</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Provide a username for authenticating with the API. Can also be specified via K8S_AUTH_USERNAME environment variable.</div>
+                        <div>Please note that this only works with clusters configured to use HTTP Basic Auth. If your cluster has a different form of authentication (e.g. OAuth2 in OpenShift), this option will not work as expected and you should look into the <span class='module'>community.okd.k8s_auth</span> module, as that might do what you need.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>validate_certs</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">boolean</span>
+                    </div>
+                </td>
+                <td>
+                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
+                                    <li>no</li>
+                                    <li>yes</li>
+                        </ul>
+                </td>
+                <td>
+                        <div>Whether or not to verify the API server&#x27;s SSL certificates. Can also be specified via K8S_AUTH_VERIFY_SSL environment variable.</div>
+                        <div style="font-size: small; color: darkgreen"><br/>aliases: verify_ssl</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+Notes
+-----
+
+.. note::
+   - To avoid SSL certificate validation errors when ``validate_certs`` is *True*, the full certificate chain for the API server must be provided via ``ca_cert`` or in the kubeconfig file.
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    - name: Drain node "foo", even if there are pods not managed by a ReplicationController, Job, or DaemonSet on it.
+      kubernetes.core.k8s_drain:
+        state: drain
+        name: foo
+        force: yes
+
+    - name: Drain node "foo", but abort if there are pods not managed by a ReplicationController, Job, or DaemonSet, and use a grace period of 15 minutes.
+      kubernetes.core.k8s_drain:
+        state: drain
+        name: foo
+        delete_options:
+            terminate_grace_period: 900
+
+    - name: Mark node "foo" as schedulable.
+      kubernetes.core.k8s_drain:
+        state: uncordon
+        name: foo
+
+    - name: Mark node "foo" as unschedulable.
+      kubernetes.core.k8s_drain:
+        state: cordon
+        name: foo
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this module:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>result</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>The node status and the number of pods deleted.</div>
+                    <br/>
+                </td>
+            </tr>
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Aubin Bikouo (@abikouo)

docs/kubernetes.core.k8s_exec_module.rst

@@ -172,13 +172,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>
@@ -382,6 +383,7 @@ Notes
 -----
 
 .. note::
+   - Return code ``rc`` for the command executed is added in output in version 2.2.0, and deprecates return code ``return_code``.
    - Return code ``return_code`` for the command executed is added in output in version 1.0.0.
    - The authenticated user must have at least read access to the pods resource and write access to the pods/exec resource.
    - To avoid SSL certificate validation errors when ``validate_certs`` is *True*, the full certificate chain for the API server must be provided via ``ca_cert`` or in the kubeconfig file.
@@ -410,7 +412,7 @@ Examples
     - name: Check last command status
       debug:
         msg: "cmd failed"
-      when: command_status.return_code != 0
+      when: command_status.rc != 0
 
 
 
@@ -443,6 +445,23 @@ Common return values are documented `here <https://docs.ansible.com/ansible/late
             </tr>
                                 <tr>
                     <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>rc</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">integer</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.2.0</div>
+                </td>
+                <td></td>
+                <td>
+                            <div>The command status code</div>
+                    <br/>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
                 <td colspan="1">
                     <div class="ansibleOptionAnchor" id="return-"></div>
                     <b>return_code</b>
@@ -453,7 +472,7 @@ Common return values are documented `here <https://docs.ansible.com/ansible/late
                 </td>
                 <td></td>
                 <td>
-                            <div>The command status code</div>
+                            <div>The command status code. This attribute is deprecated and will be removed in a future release. Please use rc instead.</div>
                     <br/>
                 </td>
             </tr>

docs/kubernetes.core.k8s_info_module.rst

@@ -198,13 +198,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_json_patch_module.rst

@@ -18,7 +18,7 @@ Version added: 2.0.0
 Synopsis
 --------
 - This module is used to apply RFC 6902 JSON patch operations only.
-- Use the :ref:`k8s <k8s_module>` module for strategic merge or JSON merge operations.
+- Use the :ref:`kubernetes.core.k8s <kubernetes.core.k8s_module>` module for strategic merge or JSON merge operations.
 - The jsonpatch library is required for check mode.
 
 
@@ -178,13 +178,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_log_module.rst

@@ -198,13 +198,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>
@@ -383,6 +384,22 @@ Parameters
                 </td>
             </tr>
 
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>since_seconds</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.2.0</div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>A relative time in seconds before the current time from which to show logs.</div>
+                </td>
+            </tr>
             <tr>
                 <td colspan="2">
                     <div class="ansibleOptionAnchor" id="parameter-"></div>
@@ -457,6 +474,7 @@ Examples
         kind: Deployment
         namespace: testing
         name: example
+        since_seconds: "4000"
       register: log
 
     # This will get the log from a single Pod managed by this DeploymentConfig

docs/kubernetes.core.k8s_lookup.rst

@@ -381,6 +381,12 @@ Parameters
     <br/>
 
 
+Notes
+-----
+
+.. note::
+   - While querying, please use ``query`` or ``lookup`` format with ``wantlist=True`` to provide an easier and more consistent interface. For more details, see https://docs.ansible.com/ansible/latest/plugins/lookup.html#forcing-lookups-to-return-lists-query-and-wantlist-true.
+
 
 
 Examples
@@ -390,23 +396,23 @@ Examples
 
     - name: Fetch a list of namespaces
       set_fact:
-        projects: "{{ lookup('kubernetes.core.k8s', api_version='v1', kind='Namespace') }}"
+        projects: "{{ query('kubernetes.core.k8s', api_version='v1', kind='Namespace') }}"
 
     - name: Fetch all deployments
       set_fact:
-        deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment') }}"
+        deployments: "{{ query('kubernetes.core.k8s', kind='Deployment') }}"
 
     - name: Fetch all deployments in a namespace
       set_fact:
-        deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment', namespace='testing') }}"
+        deployments: "{{ query('kubernetes.core.k8s', kind='Deployment', namespace='testing') }}"
 
     - name: Fetch a specific deployment by name
       set_fact:
-        deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment', namespace='testing', resource_name='elastic') }}"
+        deployments: "{{ query('kubernetes.core.k8s', kind='Deployment', namespace='testing', resource_name='elastic') }}"
 
     - name: Fetch with label selector
       set_fact:
-        service: "{{ lookup('kubernetes.core.k8s', kind='Service', label_selector='app=galaxy') }}"
+        service: "{{ query('kubernetes.core.k8s', kind='Service', label_selector='app=galaxy') }}"
 
     # Use parameters from a YAML config
 
@@ -416,11 +422,11 @@ Examples
 
     - name: Using the config (loaded from a file in prior task), fetch the latest version of the object
       set_fact:
-        service: "{{ lookup('kubernetes.core.k8s', resource_definition=config) }}"
+        service: "{{ query('kubernetes.core.k8s', resource_definition=config) }}"
 
     - name: Use a config from the local filesystem
       set_fact:
-        service: "{{ lookup('kubernetes.core.k8s', src='service.yml') }}"
+        service: "{{ query('kubernetes.core.k8s', src='service.yml') }}"
 
 
 

docs/kubernetes.core.k8s_module.rst

@@ -375,13 +375,31 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="3">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>label_selectors</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">list</span>
+                         / <span style="color: purple">elements=string</span>
+                    </div>
+                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.2.0</div>
+                </td>
+                <td>
+                </td>
+                <td>
+                        <div>Selector (label query) to filter on.</div>
                 </td>
             </tr>
             <tr>
@@ -639,6 +657,7 @@ Parameters
                 <td>
                         <div>Provide a valid YAML template definition file for an object when creating or updating.</div>
                         <div>Value can be provided as string or dictionary.</div>
+                        <div>The parameter accepts multiple template files. Added in version 2.0.0.</div>
                         <div>Mutually exclusive with <code>src</code> and <code>resource_definition</code>.</div>
                         <div>Template files needs to be present on the Ansible Controller&#x27;s file system.</div>
                         <div>Additional parameters can be specified using dictionary.</div>
@@ -975,6 +994,15 @@ Examples
           variable_start_string: '[['
           variable_end_string: ']]'
 
+    - name: Read multiple definition template file from the Ansible controller file system
+      kubernetes.core.k8s:
+        state: present
+        template:
+          - path: '/testing/deployment_one.j2'
+          - path: '/testing/deployment_two.j2'
+            variable_start_string: '[['
+            variable_end_string: ']]'
+
     - name: fail on validation errors
       kubernetes.core.k8s:
         state: present

docs/kubernetes.core.k8s_rollback_module.rst

@@ -196,13 +196,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_scale_module.rst

@@ -213,13 +213,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.k8s_service_module.rst

@@ -178,13 +178,14 @@ Parameters
                     <b>kubeconfig</b>
                     <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                     <div style="font-size: small">
-                        <span style="color: purple">path</span>
+                        <span style="color: purple">raw</span>
                     </div>
                 </td>
                 <td>
                 </td>
                 <td>
                         <div>Path to an existing Kubernetes config file. If not provided, and no other connection options are provided, the Kubernetes client will attempt to load the default configuration file from <em>~/.kube/config</em>. Can also be specified via K8S_AUTH_KUBECONFIG environment variable.</div>
+                        <div>The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version &gt;= 17.17.0. Added in version 2.2.0.</div>
                 </td>
             </tr>
             <tr>

docs/kubernetes.core.kustomize_lookup.rst

@@ -0,0 +1,251 @@
+.. _kubernetes.core.kustomize_lookup:
+
+
+*************************
+kubernetes.core.kustomize
+*************************
+
+**Build a set of kubernetes resources using a 'kustomization.yaml' file.**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- Uses the kustomize or the kubectl tool.
+- Return the result of ``kustomize build`` or ``kubectl kustomize``.
+
+
+
+Requirements
+------------
+The below requirements are needed on the local Ansible controller node that executes this lookup.
+
+- python >= 3.6
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+                <th>Configuration</th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>binary_path</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>The path of a kustomize or kubectl binary to use.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>dir</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td>
+                        <b>Default:</b><br/><div style="color: blue">"."</div>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>The directory path containing &#x27;kustomization.yaml&#x27;, or a git repository URL with a path suffix specifying same with respect to the repository root.</div>
+                        <div>If omitted, &#x27;.&#x27; is assumed.</div>
+                </td>
+            </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>opt_dirs</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>An optional list of directories to search for the executable in addition to PATH.</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+Notes
+-----
+
+.. note::
+   - If both kustomize and kubectl are part of the PATH, kustomize will be used by the plugin.
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    - name: Run lookup using kustomize
+      set_fact:
+        resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kustomize') }}"
+
+    - name: Run lookup using kubectl kustomize
+      set_fact:
+        resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kubectl') }}"
+
+    - name: Create kubernetes resources for lookup output
+      k8s:
+        definition: "{{ lookup('kubernetes.core.kustomize', dir='/path/to/kustomization') }}"
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this lookup:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="2">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="2">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>_list</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">complex</span>
+                    </div>
+                </td>
+                <td></td>
+                <td>
+                            <div>One ore more object definitions returned from the tool execution.</div>
+                    <br/>
+                </td>
+            </tr>
+                                <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>api_version</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>The versioned schema of this representation of an object.</div>
+                    <br/>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>kind</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">string</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>Represents the REST resource this object represents.</div>
+                    <br/>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>metadata</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">complex</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>Standard object metadata. Includes name, namespace, annotations, labels, etc.</div>
+                    <br/>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>spec</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">complex</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>Specific attributes of the object. Will vary based on the <em>api_version</em> and <em>kind</em>.</div>
+                    <br/>
+                </td>
+            </tr>
+            <tr>
+                    <td class="elbow-placeholder">&nbsp;</td>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>status</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">complex</span>
+                    </div>
+                </td>
+                <td>success</td>
+                <td>
+                            <div>Current status details for the object.</div>
+                    <br/>
+                </td>
+            </tr>
+
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Aubin Bikouo <@abikouo>
+
+
+.. hint::
+    Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.

galaxy.yml

@@ -8,8 +8,6 @@ authors:
   - willthames (https://github.com/willthames)
   - mmazur (https://github.com/mmazur)
   - jamescassell (https://github.com/jamescassell)
-dependencies:
-  cloud.common: '>=2.0.1'
 description: Kubernetes Collection for Ansible.
 documentation: ''
 homepage: ''
@@ -27,7 +25,7 @@ tags:
   - openshift
   - okd
   - cluster
-version: 2.0.2
+version: 2.2.0
 build_ignore:
   - .DS_Store
   - '*.tar.gz'

meta/runtime.yml

@@ -14,6 +14,8 @@ action_groups:
     - k8s_log
     - k8s_scale
     - k8s_service
+    - k8s_cp
+    - k8s_drain
 
 plugin_routing:
   action:
@@ -31,6 +33,10 @@ plugin_routing:
       redirect: kubernetes.core.k8s_info
     k8s_cluster_info:
       redirect: kubernetes.core.k8s_info
+    k8s_cp:
+      redirect: kubernetes.core.k8s_info
+    k8s_drain:
+      redirect: kubernetes.core.k8s_info
     k8s_event_info:
       redirect: kubernetes.core.k8s_info
     k8s_exec:

molecule/default/converge.yml

@@ -132,6 +132,15 @@
           tags: [ template, k8s ]
       tags:
         - always
+
+    - name: Include validate.yml
+      include_tasks:
+        file: tasks/validate.yml
+        apply:
+          tags: [ validate, k8s ]
+      tags:
+        - always
+
     - name: Include waiter.yml
       include_tasks:
         file: tasks/waiter.yml
@@ -160,7 +169,31 @@
       include_tasks:
         file: tasks/lookup_k8s.yml
         apply:
-          tags: [ lookup, k8s ]
+          tags: [ lookup_k8s, k8s ]
+      tags:
+        - always
+
+    - name: Include label_selectors.yml
+      include_tasks:
+        file: tasks/label_selectors.yml
+        apply:
+          tags: [ label_selectors, k8s ]
+      tags:
+        - always
+
+    - name: Include diff.yml
+      include_tasks:
+        file: tasks/diff.yml
+        apply:
+          tags: [ diff, k8s ]
+      tags:
+        - always
+
+    - name: Include lookup_kustomize.yml
+      include_tasks:
+        file: tasks/lookup_kustomize.yml
+        apply:
+          tags: [ lookup_kustomize, k8s ]
       tags:
         - always
 
@@ -169,6 +202,11 @@
       tags:
         - helm
 
+    - role: k8scopy
+      tags:
+        - copy
+        - k8s
+
   post_tasks:
     - name: Ensure namespace exists
       k8s:

molecule/default/molecule.yml

@@ -6,10 +6,6 @@ driver:
     login_cmd_template: 'docker exec -ti {instance} bash'
     ansible_connection_options:
       ansible_connection: docker
-lint: |
-  set -e
-  yamllint .
-  flake8
 platforms:
   - name: instance-kind
 provisioner:
@@ -17,7 +13,7 @@ provisioner:
   log: true
   config_options:
     inventory:
-      enable_plugins: kubernetes.core.k8s
+      enable_plugins: kubernetes.core.k8s,yaml
   lint: {}
   inventory:
     hosts:
@@ -33,8 +29,8 @@ scenario:
   name: default
   test_sequence:
     - dependency
-    - lint
     - syntax
+    - prepare
     - converge
     - verify
 dependency:

molecule/default/prepare.yml

@@ -0,0 +1,12 @@
+---
+- name: Prepare
+  hosts: localhost
+  connection: local
+
+  collections:
+    - kubernetes.core
+
+  tasks:
+    - name: Include drain.yml
+      include_tasks:
+        file: tasks/drain.yml

molecule/default/roles/helm/meta/main.yml

@@ -0,0 +1,3 @@
+---
+collections:
+  - kubernetes.core

molecule/default/roles/helm/tasks/test_crds.yml

@@ -15,6 +15,7 @@
 
     - name: Install chart while skipping CRDs
       helm:
+        binary_path: "{{ helm_binary }}"
         chart_ref: "/tmp/helm_test_crds/{{ test_chart }}"
         namespace: "{{ helm_namespace }}"
         name: test-crds
@@ -46,12 +47,14 @@
     # Helm won't install CRDs into an existing release, so we need to delete this, first
     - name: Uninstall chart
       helm:
+        binary_path: "{{ helm_binary }}"
         namespace: "{{ helm_namespace }}"
         name: test-crds
         state: absent
 
     - name: Install chart with CRDs
       helm:
+        binary_path: "{{ helm_binary }}"
         chart_ref: "/tmp/helm_test_crds/{{ test_chart }}"
         namespace: "{{ helm_namespace }}"
         name: test-crds

molecule/default/roles/helm/tasks/tests_chart/from_repository.yml

@@ -1,6 +1,7 @@
 ---
 - name: Add chart repo
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm
     repo_url: "{{ chart_test_repo }}"
 
@@ -14,6 +15,7 @@
 
 - name: Add chart repo
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm
     repo_url: "{{ chart_test_repo }}"
     state: absent

molecule/default/roles/helm/tasks/tests_helm_diff.yml

@@ -6,6 +6,7 @@
   block:
     - name: Install helm diff
       helm_plugin:
+        binary_path: "{{ helm_binary }}"
         state: present
         plugin_path: https://github.com/databus23/helm-diff
 
@@ -136,6 +137,7 @@
 
     - name: Uninstall helm diff
       helm_plugin:
+        binary_path: "{{ helm_binary }}"
         state: absent
         plugin_name: diff
       ignore_errors: yes

molecule/default/roles/helm/tasks/tests_helm_plugin.yml

@@ -97,6 +97,7 @@
 
     - name: Gather Helm plugin info
       helm_plugin_info:
+        binary_path: "{{ helm_binary }}"
       register: r
 
     - name: Set sample_plugin version

molecule/default/roles/helm/tasks/tests_repository.yml

@@ -1,11 +1,13 @@
 ---
 - name: "Ensure test_helm_repo doesn't exist"
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     state: absent
 
 - name: Add test_helm_repo chart repository
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     repo_url: "{{ chart_test_repo }}"
   register: repository
@@ -17,6 +19,7 @@
 
 - name: Check idempotency
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     repo_url: "{{ chart_test_repo }}"
   register: repository
@@ -28,6 +31,7 @@
 
 - name: Failed to add repository with the same name
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     repo_url: "https://other-charts.url"
   register: repository_errors
@@ -40,6 +44,7 @@
 
 - name: Remove test_helm_repo chart repository
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     state: absent
   register: repository
@@ -51,6 +56,7 @@
 
 - name: Check idempotency after remove
   helm_repository:
+    binary_path: "{{ helm_binary }}"
     name: test_helm_repo
     state: absent
   register: repository

molecule/default/roles/k8scopy/defaults/main.yml

@@ -0,0 +1,15 @@
+---
+# defaults file for k8copy
+copy_namespace: copy
+
+pod_with_one_container:
+  name: pod-copy-0
+  container: container-00
+
+pod_with_two_container:
+  name: pod-copy-1
+  container:
+  - container-10
+  - container-11
+
+kubectl_path: /tmp/kubectl

molecule/default/roles/k8scopy/files/data/ansible/collection.txt

@@ -0,0 +1 @@
+kubernetes.core

molecule/default/roles/k8scopy/files/data/ansible/module.txt

@@ -0,0 +1 @@
+k8s_cp

molecule/default/roles/k8scopy/files/data/file.txt

@@ -0,0 +1 @@
+This is a simple file used to test k8s_cp module on ansible.

molecule/default/roles/k8scopy/files/data/teams/ansible.txt

@@ -0,0 +1,2 @@
+cloud team
+content team

molecule/default/roles/k8scopy/files/simple_file.txt

@@ -0,0 +1 @@
+This content will be copied into remote Pod.

molecule/default/roles/k8scopy/library/k8s_create_file.py

@@ -0,0 +1,91 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2021, Aubin Bikouo <@abikouo>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+
+DOCUMENTATION = r'''
+
+module: k8s_diff
+
+short_description: Create large file with a defined size.
+
+author:
+    - Aubin Bikouo (@abikouo)
+
+description:
+  - This module is used to validate k8s_cp module.
+
+options:
+  path:
+    description:
+    - The destination path for the file to create.
+    type: path
+    required: yes
+  size:
+    description:
+    - The size of the output file in MB.
+    type: int
+    default: 400
+  binary:
+    description:
+    - If this flag is set to yes, the generated file content binary data.
+    type: bool
+    default: False
+'''
+
+EXAMPLES = r'''
+- name: create 150MB file
+  k8s_diff:
+    path: large_file.txt
+    size: 150
+'''
+
+
+RETURN = r'''
+'''
+
+import os
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
+
+
+def execute_module(module):
+    try:
+        size = module.params.get('size') * 1024 * 1024
+        path = module.params.get('path')
+        write_mode = "w"
+        if module.params.get('binary'):
+            content = os.urandom(size)
+            write_mode = "wb"
+        else:
+            content = ""
+            count = 0
+            while len(content) < size:
+                content += "This file has been generated using ansible: {0}\n".format(count)
+                count += 1
+
+        with open(path, write_mode) as f:
+            f.write(content)
+        module.exit_json(changed=True, size=len(content))
+    except Exception as e:
+        module.fail_json(msg="failed to create file due to: {0}".format(to_native(e)))
+
+
+def main():
+    argument_spec = {}
+    argument_spec['size'] = {'type': 'int', 'default': 400}
+    argument_spec['path'] = {'type': 'path', 'required': True}
+    argument_spec['binary'] = {'type': 'bool', 'default': False}
+    module = AnsibleModule(argument_spec=argument_spec)
+
+    execute_module(module)
+
+
+if __name__ == '__main__':
+    main()

molecule/default/roles/k8scopy/library/kubectl_file_compare.py

@@ -0,0 +1,217 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2021, Aubin Bikouo <@abikouo>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+
+DOCUMENTATION = r'''
+
+module: kubectl_file_compare
+
+short_description: Compare file and directory using kubectl
+
+author:
+    - Aubin Bikouo (@abikouo)
+
+description:
+  - This module is used to validate k8s_cp module.
+  - Compare the local file/directory with the remote pod version
+
+notes:
+  - This module authenticates on kubernetes cluster using default kubeconfig only.
+
+options:
+  namespace:
+    description:
+    - The pod namespace name
+    type: str
+    required: yes
+  pod:
+    description:
+    - The pod name
+    type: str
+    required: yes
+  container:
+    description:
+    - The container to retrieve files from.
+    type: str
+  remote_path:
+    description:
+    - Path of the file or directory on Pod.
+    type: path
+    required: yes
+  local_path:
+    description:
+    - Path of the local file or directory.
+    type: path
+  content:
+    description:
+    - local content to compare with remote file from pod.
+    - mutually exclusive with option I(local_path).
+    type: path
+    required: yes
+  args:
+    description:
+    - The file is considered to be an executable.
+    - The tool will be run locally and on pod and compare result from output and stderr.
+    type: list
+  kubectl_path:
+    description:
+    - Path to the kubectl executable, if not specified it will be download.
+    type: path
+'''
+
+EXAMPLES = r'''
+- name: compare local /tmp/foo with /tmp/bar in a remote pod
+  kubectl_file_compare:
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/bar
+    local_path: /tmp/foo
+    kubectl_path: /tmp/test/kubectl
+
+- name: Compare executable running help command
+  kubectl_file_compare:
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/test/kubectl
+    local_path: kubectl
+    kubectl_path: /tmp/test/kubectl
+    args:
+    - "--help"
+'''
+
+
+RETURN = r'''
+'''
+
+import os
+import filecmp
+
+from tempfile import NamedTemporaryFile, TemporaryDirectory
+from ansible.module_utils.basic import AnsibleModule
+
+
+def kubectl_get_content(module, dest_dir):
+    kubectl_path = module.params.get('kubectl_path')
+    if kubectl_path is None:
+        kubectl_path = module.get_bin_path('kubectl', required=True)
+
+    namespace = module.params.get('namespace')
+    pod = module.params.get('pod')
+    file = module.params.get('remote_path')
+
+    cmd = [
+        kubectl_path,
+        'cp',
+        "{0}/{1}:{2}".format(namespace, pod, file)
+    ]
+    container = module.params.get('container')
+    if container:
+        cmd += ['-c', container]
+    local_file = os.path.join(dest_dir, os.path.basename(module.params.get('remote_path')))
+    cmd.append(local_file)
+    rc, out, err = module.run_command(cmd)
+    return local_file, err, rc, out
+
+
+def kubectl_run_from_pod(module):
+    kubectl_path = module.params.get('kubectl_path')
+    if kubectl_path is None:
+        kubectl_path = module.get_bin_path('kubectl', required=True)
+
+    cmd = [
+        kubectl_path,
+        'exec',
+        module.params.get('pod'),
+        '-n',
+        module.params.get('namespace')
+    ]
+    container = module.params.get('container')
+    if container:
+        cmd += ['-c', container]
+    cmd += ['--', module.params.get('remote_path')]
+    cmd += module.params.get('args')
+    return module.run_command(cmd)
+
+
+def compare_directories(dir1, dir2):
+    test = filecmp.dircmp(dir1, dir2)
+    if any([len(test.left_only) > 0, len(test.right_only) > 0, len(test.funny_files) > 0]):
+        return False
+    (t, mismatch, errors) = filecmp.cmpfiles(dir1, dir2, test.common_files, shallow=False)
+    if len(mismatch) > 0 or len(errors) > 0:
+        return False
+    for common_dir in test.common_dirs:
+        new_dir1 = os.path.join(dir1, common_dir)
+        new_dir2 = os.path.join(dir2, common_dir)
+        if not compare_directories(new_dir1, new_dir2):
+            return False
+    return True
+
+
+def execute_module(module):
+
+    args = module.params.get('args')
+    local_path = module.params.get('local_path')
+    namespace = module.params.get('namespace')
+    pod = module.params.get('pod')
+    file = module.params.get('remote_path')
+    content = module.params.get('content')
+    if args:
+        pod_rc, pod_out, pod_err = kubectl_run_from_pod(module)
+        rc, out, err = module.run_command([module.params.get('local_path')] + args)
+        if rc == pod_rc and out == pod_out:
+            module.exit_json(msg="{0} and {1}/{2}:{3} are same.".format(
+                local_path, namespace, pod, file
+            ), rc=rc, stderr=err, stdout=out)
+        result = dict(local=dict(rc=rc, out=out, err=err), remote=dict(rc=pod_rc, out=pod_out, err=pod_err))
+        module.fail_json(msg=f"{local_path} and {namespace}/{pod}:{file} are same.", **result)
+    else:
+        with TemporaryDirectory() as tmpdirname:
+            file_from_pod, err, rc, out = kubectl_get_content(module=module, dest_dir=tmpdirname)
+            if not os.path.exists(file_from_pod):
+                module.fail_json(msg="failed to copy content from pod", error=err, output=out)
+
+            if content is not None:
+                with NamedTemporaryFile(mode="w") as tmp_file:
+                    tmp_file.write(content)
+                    tmp_file.flush()
+                    if filecmp.cmp(file_from_pod, tmp_file.name):
+                        module.exit_json(msg=f"defined content and {namespace}/{pod}:{file} are same.")
+                    module.fail_json(msg=f"defined content and {namespace}/{pod}:{file} are same.")
+
+            if os.path.isfile(local_path):
+                if filecmp.cmp(file_from_pod, local_path):
+                    module.exit_json(msg=f"{local_path} and {namespace}/{pod}:{file} are same.")
+                module.fail_json(msg=f"{local_path} and {namespace}/{pod}:{file} are same.")
+
+            if os.path.isdir(local_path):
+                if compare_directories(file_from_pod, local_path):
+                    module.exit_json(msg=f"{local_path} and {namespace}/{pod}:{file} are same.")
+                module.fail_json(msg=f"{local_path} and {namespace}/{pod}:{file} are same.")
+
+
+def main():
+    argument_spec = {}
+    argument_spec['namespace'] = {'type': 'str', 'required': True}
+    argument_spec['pod'] = {'type': 'str', 'required': True}
+    argument_spec['container'] = {}
+    argument_spec['remote_path'] = {'type': 'path', 'required': True}
+    argument_spec['local_path'] = {'type': 'path'}
+    argument_spec['content'] = {'type': 'str'}
+    argument_spec['kubectl_path'] = {'type': 'path'}
+    argument_spec['args'] = {'type': 'list'}
+    module = AnsibleModule(argument_spec=argument_spec,
+                           mutually_exclusive=[('local_path', 'content')],
+                           required_one_of=[['local_path', 'content']])
+
+    execute_module(module)
+
+
+if __name__ == '__main__':
+    main()

molecule/default/roles/k8scopy/meta/main.yml

@@ -0,0 +1,3 @@
+---
+collections:
+  - kubernetes.core

molecule/default/roles/k8scopy/tasks/main.yml

@@ -0,0 +1,46 @@
+---
+- block:
+    - name: Download kubeclt executable used to compare results
+      get_url:
+        url: https://dl.k8s.io/release/v1.21.3/bin/linux/amd64/kubectl
+        dest: "{{ kubectl_path }}"
+
+    - name: make kubectl executable
+      ansible.builtin.file:
+        path: "{{ kubectl_path }}"
+        mode: "+x"
+
+    # Ensure namespace and create pod to perform tests on
+    - name: Ensure namespace exists
+      k8s:
+        definition:
+          apiVersion: v1
+          kind: Namespace
+          metadata:
+            name: "{{ copy_namespace }}"
+
+    - name: Create Pods
+      k8s:
+        namespace: '{{ copy_namespace }}'
+        wait: yes
+        template: pods_definition.j2
+
+    - include_tasks: test_copy_errors.yml
+    - include_tasks: test_copy_file.yml
+    - include_tasks: test_multi_container_pod.yml
+    - include_tasks: test_copy_directory.yml
+    - include_tasks: test_copy_large_file.yml
+
+  always:
+    - name: Remove kubectl executable
+      ansible.builtin.file:
+        path: "{{ kubectl_path }}"
+        state: absent
+      ignore_errors: true
+
+    - name: Remove namespace
+      k8s:
+        kind: Namespace
+        name: "{{ copy_namespace }}"
+        state: absent
+      ignore_errors: true

molecule/default/roles/k8scopy/tasks/test_copy_directory.yml

@@ -0,0 +1,85 @@
+---
+- block:
+  - name: copy directory into remote Pod (create new directory)
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /dest_data
+      local_path: files/data
+      state: to_pod
+
+  - name: compare directories
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /dest_data
+      local_path: '{{ role_path }}/files/data'
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy directory into remote Pod (existing directory)
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp
+      local_path: files/data
+      state: to_pod
+
+  - name: compare directories
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/data
+      local_path: '{{ role_path }}/files/data'
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy directory from Pod into local filesystem (new directory to create)
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/data
+      local_path: /tmp/test
+      state: from_pod
+
+  - name: compare directories
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/data
+      local_path: /tmp/test
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy directory from Pod into local filesystem (existing directory)
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/data
+      local_path: /tmp
+      state: from_pod
+
+  - name: compare directories
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/data
+      local_path: /tmp/data
+      kubectl_path: "{{ kubectl_path }}"
+
+  always:
+  - name: Remove directories created into remote Pod
+    k8s_exec:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      command: 'rm -rf {{ item }}'
+    ignore_errors: true
+    with_items:
+    - /dest_data
+    - /tmp/data
+
+  - name: Remove local directories
+    file:
+      path: '{{ item }}'
+      state: absent
+    ignore_errors: true
+    with_items:
+    - /tmp/data
+    - /tmp/test

molecule/default/roles/k8scopy/tasks/test_copy_errors.yml

@@ -0,0 +1,69 @@
+---
+# copy non-existent local file should fail
+- name: copy non-existent file into remote Pod
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_one_container.name }}'
+    remote_path: /tmp
+    local_path: this_file_does_not_exist
+    state: to_pod
+  ignore_errors: true
+  register: copy_non_existent
+
+- name: check that error message is as expected
+  assert:
+    that:
+      - copy_non_existent is failed
+      - copy_non_existent.msg == "this_file_does_not_exist does not exist in local filesystem"
+
+# copy non-existent pod file should fail
+- name: copy of non-existent file from remote pod should fail
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_one_container.name }}'
+    remote_path: /this_file_does_not_exist
+    local_path: /tmp
+    state: from_pod
+  ignore_errors: true
+  register: copy_non_existent
+
+- name: check that error message is as expected
+  assert:
+    that:
+      - copy_non_existent is failed
+      - copy_non_existent.msg == "/this_file_does_not_exist does not exist in remote pod filesystem"
+
+# copy file into multiple container pod without specifying the container should fail
+- name: copy file into multiple container pod
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /tmp
+    local_path: files/simple_file.txt
+    state: to_pod
+  ignore_errors: true
+  register: copy_multi_container
+
+- name: check that error message is as expected
+  assert:
+    that:
+      - copy_multi_container is failed
+      - copy_multi_container.msg == "Pod contains more than 1 container, option 'container' should be set"
+
+# copy using non-existent container from pod should failed
+- name: copy file into multiple container pod
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /tmp
+    local_path: files/simple_file.txt
+    state: to_pod
+    container: this_is_a_fake_container
+  ignore_errors: true
+  register: copy_fake_container
+
+- name: check that error message is as expected
+  assert:
+    that:
+      - copy_fake_container is failed
+      - copy_fake_container.msg == "Pod has no container this_is_a_fake_container"

molecule/default/roles/k8scopy/tasks/test_copy_file.yml

@@ -0,0 +1,191 @@
+---
+- block:
+  # Text file
+  - name: copy text file into remote pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp
+      local_path: files/simple_file.txt
+      state: to_pod
+
+  - name: Compare files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_file.txt
+      content: "{{ lookup('file', 'simple_file.txt')}}"
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: Copy simple text file from Pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_file.txt
+      local_path: /tmp/copy_from_pod.txt
+      state: from_pod
+
+  - name: Compare files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_file.txt
+      local_path: /tmp/copy_from_pod.txt
+      kubectl_path: "{{ kubectl_path }}"
+
+  # Binary file
+  - name: Generate random content
+    set_fact:
+      hello_arg: "{{ lookup('password', '/dev/null chars=ascii_lowercase,digits length=16') }}"
+
+  - name: Copy executable into Pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/hello.exe
+      local_path: files/hello
+      state: to_pod
+
+  - name: Compare executable
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/hello.exe
+      local_path: "{{ role_path }}/files/hello"
+      kubectl_path: "{{ kubectl_path }}"
+      args:
+      - "{{ hello_arg }}"
+
+  - name: Copy executable from Pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/hello.exe
+      local_path: /tmp/hello
+      state: from_pod
+
+  - name: update executable permission
+    file:
+      path: /tmp/hello
+      mode: '0755'
+
+  - name: Compare executable
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/hello.exe
+      local_path: /tmp/hello
+      kubectl_path: "{{ kubectl_path }}"
+      args:
+      - "{{ hello_arg }}"
+
+  # zip files
+  - name: copy zip file into remote pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp
+      local_path: files/simple_zip_file.txt.gz
+      state: to_pod
+
+  - name: compare zip files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_zip_file.txt.gz
+      local_path: '{{ role_path }}/files/simple_zip_file.txt.gz'
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy zip file from pod into local filesystem
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_zip_file.txt.gz
+      local_path: /tmp/copied_from_pod.txt.gz
+      state: from_pod
+
+  - name: compare zip files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/simple_zip_file.txt.gz
+      local_path: /tmp/copied_from_pod.txt.gz
+      kubectl_path: "{{ kubectl_path }}"
+
+  # tar files
+  - name: copy archive into remote pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp
+      local_path: files/archive.tar
+      state: to_pod
+
+  - name: compare archive
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/archive.tar
+      local_path: '{{ role_path }}/files/archive.tar'
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy archive from remote pod into local filesystem
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/archive.tar
+      local_path: /tmp/local_archive.tar
+      state: from_pod
+
+  - name: compare archive
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /tmp/archive.tar
+      local_path: /tmp/local_archive.tar
+      kubectl_path: "{{ kubectl_path }}"
+
+  # Copy into Pod using content option
+  - name: set content to be copied into Pod
+    set_fact:
+      pod_content: "{{ lookup('password', '/dev/null chars=ascii_lowercase,digits,punctuation length=128') }}"
+
+  - name: copy archive into remote pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /this_content.txt
+      content: '{{ pod_content }}'
+      state: to_pod
+
+  - name: Assert that content is as expected into Pod
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /this_content.txt
+      content: '{{ pod_content }}'
+      kubectl_path: "{{ kubectl_path }}"
+
+  always:
+  - name: Delete file created on Pod
+    k8s_exec:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      command: 'rm {{ item }}'
+    ignore_errors: true
+    with_items:
+    - /tmp/simple_file.txt
+    - /tmp/hello.exe
+    - /tmp/simple_zip_file.txt.gz
+    - /tmp/archive.tar
+    - /this_content.txt
+
+  - name: Delete file created locally
+    file:
+      path: '{{ item }}'
+      state: absent
+    with_items:
+    - /tmp/copy_from_pod.txt
+    - /tmp/hello
+    - /tmp/copied_from_pod.txt.gz
+    - /tmp/local_archive.tar

molecule/default/roles/k8scopy/tasks/test_copy_large_file.yml

@@ -0,0 +1,103 @@
+---
+- name: test copy of large binary and text files
+  block:
+  - set_fact:
+      test_directory: "/tmp/test_k8scp_large_files"
+    no_log: true
+
+  - name: create temporary directory for local files
+    ansible.builtin.file:
+      path: "{{ test_directory }}"
+      state: directory
+
+  - name: create large text file
+    k8s_create_file:
+      path: "{{ test_directory }}/large_text_file.txt"
+      size: 150
+
+  - name: create large binary file
+    k8s_create_file:
+      path: "{{ test_directory }}/large_bin_file.bin"
+      size: 200
+      binary: true
+
+  # Copy large text file from/to local filesystem to Pod
+  - name: copy large file into remote Pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_text_file.txt
+      local_path: "{{ test_directory }}/large_text_file.txt"
+      state: to_pod
+
+  - name: Compare files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_text_file.txt
+      local_path: "{{ test_directory }}/large_text_file.txt"
+      kubectl_path: "{{ kubectl_path }}"
+
+  - name: copy large file from Pod into local filesystem
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_text_file.txt
+      local_path: "{{ test_directory }}/large_text_file_from_pod.txt"
+      state: from_pod
+
+  - name: Compare files
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_text_file.txt
+      local_path: "{{ test_directory }}/large_text_file_from_pod.txt"
+      kubectl_path: "{{ kubectl_path }}"
+
+  # Copy large binary file from/to local filesystem to Pod
+  - name: copy large file into remote Pod
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_bin_file.bin
+      local_path: "{{ test_directory }}/large_bin_file.bin"
+      state: to_pod
+
+  - name: Compare executable, local vs remote
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_bin_file.bin
+      local_path: "{{ test_directory }}/large_bin_file.bin"
+
+  - name: copy executable from pod into local filesystem
+    k8s_cp:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_bin_file.bin
+      local_path: "{{ test_directory }}/large_bin_file_from_pod.bin"
+      state: from_pod
+
+  - name: Compare executable, local vs remote
+    kubectl_file_compare:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      remote_path: /large_bin_file.bin
+      local_path: "{{ test_directory }}/large_bin_file_from_pod.bin"
+
+  always:
+  - name: Delete temporary directory created for the test
+    ansible.builtin.file:
+      path: "{{ test_directory }}"
+      state: absent
+    ignore_errors: true
+
+  - name: Delete file created on Pod
+    k8s_exec:
+      namespace: '{{ copy_namespace }}'
+      pod: '{{ pod_with_one_container.name }}'
+      command: 'rm {{ item }}'
+    ignore_errors: true
+    with_items:
+    - /large_text_file.txt
+    - /large_bin_file.bin

molecule/default/roles/k8scopy/tasks/test_multi_container_pod.yml

@@ -0,0 +1,71 @@
+---
+- set_fact:
+    random_content: "{{ lookup('password', '/dev/null chars=ascii_lowercase,digits,punctuation length=128') }}"
+
+- name: Copy content into first pod's container
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost.txt
+    content: '{{ random_content }}'
+    container: '{{ pod_with_two_container.container[0] }}'
+    state: to_pod
+
+- name: Assert that content has been copied into first container
+  kubectl_file_compare:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost.txt
+    container: '{{ pod_with_two_container.container[0] }}'
+    content: '{{ random_content }}'
+    kubectl_path: "{{ kubectl_path }}"
+
+- name: Assert that content has not been copied into second container
+  kubectl_file_compare:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost.txt
+    container: '{{ pod_with_two_container.container[1] }}'
+    content: '{{ random_content }}'
+    kubectl_path: "{{ kubectl_path }}"
+  register: diff
+  ignore_errors: true
+
+- name: check that diff failed
+  assert:
+    that:
+      - diff is failed
+
+- name: Copy content into second's pod container
+  k8s_cp:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost_01.txt
+    content: '{{ random_content }}-secondpod'
+    container: '{{ pod_with_two_container.container[1] }}'
+    state: to_pod
+
+- name: Assert that content has not been copied into first container
+  kubectl_file_compare:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost_01.txt
+    container: '{{ pod_with_two_container.container[0] }}'
+    content: '{{ random_content }}-secondpod'
+    kubectl_path: "{{ kubectl_path }}"
+  ignore_errors: true
+  register: diff_1
+
+- name: check that diff failed
+  assert:
+    that:
+      - diff_1 is failed
+
+- name: Assert that content has been copied into second container
+  kubectl_file_compare:
+    namespace: '{{ copy_namespace }}'
+    pod: '{{ pod_with_two_container.name }}'
+    remote_path: /file_from_localhost_01.txt
+    container: '{{ pod_with_two_container.container[1] }}'
+    content: '{{ random_content }}-secondpod'
+    kubectl_path: "{{ kubectl_path }}"

molecule/default/roles/k8scopy/templates/pods_definition.j2

@@ -0,0 +1,33 @@
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: '{{ pod_with_one_container.name }}'
+spec:
+  containers:
+  - name: '{{ pod_with_one_container.container }}'
+    image: busybox
+    command:
+      - /bin/sh
+      - -c
+      - while true;do date;sleep 5; done
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: '{{ pod_with_two_container.name }}'
+spec:
+  containers:
+  - name: '{{ pod_with_two_container.container[0] }}'
+    image: busybox:1.32.0
+    command:
+      - /bin/sh
+      - -c
+      - while true;do date;sleep 5; done
+  - name: '{{ pod_with_two_container.container[1] }}'
+    image: busybox:1.33.0
+    command:
+      - /bin/sh
+      - -c
+      - while true;do date;sleep 5; done
+

molecule/default/tasks/diff.yml

@@ -0,0 +1,153 @@
+---
+- set_fact:
+    diff_namespace: "diff"
+    diff_configmap: "diff-configmap"
+
+- block:
+  - name: Ensure namespace
+    k8s:
+      kind: Namespace
+      name: '{{ diff_namespace }}'
+
+  # Using option 'apply' set to 'yes'
+  - name: Create Pod using apply and diff set to yes
+    k8s:
+      namespace: '{{ diff_namespace }}'
+      apply: yes
+      template: "pod_diff.j2"
+    diff: yes
+    vars:
+      pod_name: "pod-apply"
+      pod_image: "busybox:1.32.0"
+    register: result
+
+  - name: check that result has diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is defined
+
+  - name: Update pod definition using apply and diff set to no
+    k8s:
+      namespace: '{{ diff_namespace }}'
+      apply: yes
+      template: "pod_diff.j2"
+    diff: no
+    vars:
+      pod_name: "pod-apply"
+      pod_image: "busybox:1.33.0"
+    register: result
+
+  - name: check that output has no diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is not defined
+
+  # Using option 'state=patched'
+  - name: Create Pod using state=present and diff set to yes
+    k8s:
+      namespace: '{{ diff_namespace }}'
+      state: present
+      template: "pod_diff.j2"
+    vars:
+      pod_name: "pod-patch"
+      pod_image: "busybox:1.32.0"
+    register: result
+
+  - name: Update pod definition using state=patched
+    k8s:
+      namespace: '{{ diff_namespace }}'
+      state: patched
+      template: "pod_diff.j2"
+    diff: no
+    vars:
+      pod_name: "pod-patch"
+      pod_image: "busybox:1.33.0"
+      pod_label: "patching"
+    register: result
+
+  - name: check that output has no diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is not defined
+
+  - name: Update pod definition using state=patched and diff=yes
+    k8s:
+      namespace: '{{ diff_namespace }}'
+      state: patched
+      template: "pod_diff.j2"
+    diff: yes
+    vars:
+      pod_name: "pod-patch"
+      pod_image: "busybox:1.33.0"
+      pod_label: "running"
+    register: result
+
+  - name: check that output has no diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is defined
+
+  # check diff mode using force=yes
+  - name: Create a ConfigMap
+    k8s:
+      kind: ConfigMap
+      name: '{{ diff_configmap }}'
+      namespace: '{{ diff_namespace }}'
+      definition:
+        data:
+          key: "initial value"
+    diff: yes
+    register: result
+
+  - name: check that output has no diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is not defined
+
+  - name: Update ConfigMap using force and diff=no
+    k8s:
+      kind: ConfigMap
+      name: '{{ diff_configmap }}'
+      namespace: '{{ diff_namespace }}'
+      force: yes
+      definition:
+        data:
+          key: "update value with diff=no"
+    diff: no
+    register: result
+
+  - name: check that output has no diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is not defined
+
+  - name: Update ConfigMap using force and diff=yes
+    k8s:
+      kind: ConfigMap
+      name: '{{ diff_configmap }}'
+      namespace: '{{ diff_namespace }}'
+      force: yes
+      definition:
+        data:
+          key: "update value with diff=yes"
+    diff: yes
+    register: result
+
+  - name: check that output has diff attribute
+    assert:
+      that:
+      - result is changed
+      - result.diff is defined
+
+  always:
+  - name: Ensure namespace is deleted
+    k8s:
+      state: absent
+      kind: Namespace
+      name: '{{ diff_namespace }}'

molecule/default/tasks/drain.yml

@@ -0,0 +1,227 @@
+---
+- block:
+  - name: Set common facts
+    set_fact:
+      drain_namespace: "drain"
+      drain_daemonset_name: "promotheus-dset"
+      drain_pod_name: "pod-drain"
+
+  - name: Create {{ drain_namespace }} namespace
+    k8s:
+      kind: Namespace
+      name: '{{ drain_namespace }}'
+
+  - name: list cluster nodes
+    k8s_info:
+      kind: node
+    register: nodes
+
+  - name: Select uncordoned nodes
+    set_fact:
+      uncordoned_nodes: "{{ nodes.resources | selectattr('spec.unschedulable', 'undefined') | map(attribute='metadata.name') | list}}"
+
+  - name: Assert that at least one node is schedulable
+    assert:
+      that:
+      - uncordoned_nodes | length > 0
+
+  - name: select node to drain
+    set_fact:
+      node_to_drain: '{{ uncordoned_nodes[0] }}'
+
+  - name: Deploy daemonset on cluster
+    k8s:
+      namespace: '{{ drain_namespace }}'
+      definition:
+        apiVersion: apps/v1
+        kind: DaemonSet
+        metadata:
+          name: '{{ drain_daemonset_name }}'
+        spec:
+          affinity:
+            nodeAffinity:
+              requiredDuringSchedulingIgnoredDuringExecution:
+                nodeSelectorTerms:
+                - matchFields:
+                  - key: metadata.name
+                    operator: In
+                    values:
+                    - '{{ node_to_drain }}'
+          selector:
+            matchLabels:
+              name: prometheus-exporter
+          template:
+            metadata:
+              labels:
+                name: prometheus-exporter
+            spec:
+              containers:
+              - name: prometheus
+                image: prom/node-exporter
+                ports:
+                - containerPort: 80
+
+  - name: Create Pods not managed by ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet.
+    k8s:
+      namespace: '{{ drain_namespace }}'
+      wait: yes
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ drain_pod_name }}'
+        spec:
+          affinity:
+            nodeAffinity:
+              requiredDuringSchedulingIgnoredDuringExecution:
+                nodeSelectorTerms:
+                - matchFields:
+                  - key: metadata.name
+                    operator: In
+                    values:
+                    - '{{ node_to_drain }}'
+          containers:
+          - name: c0
+            image: busybox
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+
+  - name: Cordon node
+    k8s_drain:
+      state: cordon
+      name: '{{ node_to_drain }}'
+    register: cordon
+
+  - name: assert that cordon is changed
+    assert:
+      that:
+      - cordon is changed
+
+  - name: Test cordon idempotency
+    k8s_drain:
+      state: cordon
+      name: '{{ node_to_drain }}'
+    register: cordon
+
+  - name: assert that cordon is not changed
+    assert:
+      that:
+      - cordon is not changed
+
+  - name: Get pods
+    k8s_info:
+      kind: Pod
+      namespace: '{{ drain_namespace }}'
+    register: Pod
+
+  - name: assert that pods are running on cordoned node
+    assert:
+      that:
+      - "{{ Pod.resources | selectattr('status.phase', 'equalto', 'Running') | selectattr('spec.nodeName', 'equalto', node_to_drain) | list | length > 0 }}"
+
+  - name: Uncordon node
+    k8s_drain:
+      state: uncordon
+      name: '{{ node_to_drain }}'
+    register: uncordon
+
+  - name: assert that uncordon is changed
+    assert:
+      that:
+      - uncordon is changed
+
+  - name: Test uncordon idempotency
+    k8s_drain:
+      state: uncordon
+      name: '{{ node_to_drain }}'
+    register: uncordon
+
+  - name: assert that uncordon is not changed
+    assert:
+      that:
+      - uncordon is not changed
+
+  - name: Drain node
+    k8s_drain:
+      state: drain
+      name: '{{ node_to_drain }}'
+    ignore_errors: true
+    register: drain_result
+
+  - name: assert that drain failed due to DaemonSet managed Pods
+    assert:
+      that:
+      - drain_result is failed
+      - '"cannot delete DaemonSet-managed Pods" in drain_result.msg'
+      - '"cannot delete Pods not managed by ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet" in drain_result.msg'
+
+  - name: Drain node using ignore_daemonsets and force options
+    k8s_drain:
+      state: drain
+      name: '{{ node_to_drain }}'
+      delete_options:
+        force: true
+        ignore_daemonsets: true
+        wait_timeout: 0
+    register: drain_result
+
+  - name: assert that node has been drained
+    assert:
+      that:
+      - drain_result is changed
+      - '"node {{ node_to_drain }} marked unschedulable." in drain_result.result'
+
+  - name: assert that unmanaged pod were deleted
+    k8s_info:
+      namespace: '{{ drain_namespace }}'
+      kind: Pod
+      name: '{{ drain_pod_name }}'
+    register: _result
+    failed_when: _result.resources
+
+  - name: Test drain idempotency
+    k8s_drain:
+      state: drain
+      name: '{{ node_to_drain }}'
+      delete_options:
+        force: true
+        ignore_daemonsets: true
+    register: drain_result
+
+  - name: Check idempotency
+    assert:
+      that:
+      - drain_result is not changed
+
+  - name: Get DaemonSet
+    k8s_info:
+      kind: DaemonSet
+      namespace: '{{ drain_namespace }}'
+      name: '{{ drain_daemonset_name }}'
+    register: dset_result
+
+  - name: assert that daemonset managed pods were not removed
+    assert:
+      that:
+      - dset_result.resources | list | length > 0
+
+  - name: Uncordon node
+    k8s_drain:
+      state: uncordon
+      name: '{{ node_to_drain }}'
+
+  always:
+  - name: Uncordon node
+    k8s_drain:
+      state: uncordon
+      name: '{{ node_to_drain }}'
+    when: node_to_drain is defined
+    ignore_errors: true
+
+  - name: delete namespace
+    k8s:
+      state: absent
+      kind: namespace
+      name: '{{ drain_namespace }}'

molecule/default/tasks/exec.yml

@@ -54,6 +54,7 @@
     - name: Check last command status
       assert:
         that:
+          - command_status.rc != 0
           - command_status.return_code != 0
 
   always:

molecule/default/tasks/full.yml

@@ -36,12 +36,36 @@
             path: ~/.kube/config
             state: absent
 
+        - name: Try to create namespace without default kube config
+          kubernetes.core.k8s:
+            name: testing
+            kind: Namespace
+          ignore_errors: true
+          register: result
+
+        - name: No default kube config should fail
+          assert:
+            that: result is not successful
+
         - name: Using custom config location should succeed
           kubernetes.core.k8s:
             name: testing
             kind: Namespace
             kubeconfig: ~/.kube/customconfig
 
+        - name: Using an env var to set config location should succeed
+          kubernetes.core.k8s:
+            name: testing
+            kind: Namespace
+          environment:
+            K8S_AUTH_KUBECONFIG: ~/.kube/customconfig
+
+        - name: Using in-memory kubeconfig should succeed
+          kubernetes.core.k8s:
+            name: testing
+            kind: Namespace
+            kubeconfig: "{{ lookup('file', '~/.kube/customconfig') | from_yaml }}"
+
       always:
         - name: Return kubeconfig
           copy:
@@ -365,6 +389,38 @@
       register: k8s_info_testing6
       failed_when: not k8s_info_testing6.resources or k8s_info_testing6.resources[0].status.phase != "Active"
 
+    - name: Create large configmap data
+      command: dd if=/dev/urandom bs=500K count=1
+      register: cmap_data
+
+    - name: Create configmap with large value
+      k8s:
+        definition:
+          apiVersion: v1
+          kind: ConfigMap
+          metadata:
+            name: testmap
+            namespace: testing
+          data:
+            testkey: "{{ cmap_data.stdout | b64encode }}"
+        wait: true
+      register: result
+
+    - assert:
+        that:
+          - result is changed
+
+    - name: Retrieve configmap
+      k8s_info:
+        kind: ConfigMap
+        namespace: testing
+        name: testmap
+      register: result
+
+    - assert:
+        that:
+          - result.resources[0].data.testkey == "{{ cmap_data.stdout | b64encode }}"
+
   always:
     - name: Delete all namespaces
       k8s:

molecule/default/tasks/gc.yml

@@ -37,14 +37,23 @@
       k8s:
         definition: "{{ job_definition }}"
 
-    - name: Test that job's pod is running
+    - name: Wait Job's pod
       k8s_info:
         kind: Pod
         namespace: "{{ gc_namespace }}"
         label_selectors:
           - "job=gc"
+      register: wait_job
+      until: wait_job.resources
+      retries: 5
+      delay: 10
+
+    - name: Wait job's pod running
+      k8s_info:
+        kind: Pod
+        namespace: "{{ gc_namespace }}"
+        name: "{{ wait_job.resources[0].metadata.name }}"
         wait: yes
-        wait_timeout: 100
       register: job
 
     - name: Assert job's pod is running
@@ -78,14 +87,23 @@
       k8s:
         definition: "{{ job_definition }}"
 
-    - name: Test that job's pod is running
+    - name: Wait Job's pod
       k8s_info:
         kind: Pod
         namespace: "{{ gc_namespace }}"
         label_selectors:
           - "job=gc"
+      register: wait_job
+      until: wait_job.resources
+      retries: 5
+      delay: 10
+
+    - name: Wait job's pod running
+      k8s_info:
+        kind: Pod
+        namespace: "{{ gc_namespace }}"
+        name: "{{ wait_job.resources[0].metadata.name }}"
         wait: yes
-        wait_timeout: 100
       register: job
 
     - name: Assert job's pod is running
@@ -120,14 +138,23 @@
       k8s:
         definition: "{{ job_definition }}"
 
-    - name: Test that job's pod is running
+    - name: Wait Job's pod
       k8s_info:
         kind: Pod
         namespace: "{{ gc_namespace }}"
         label_selectors:
           - "job=gc"
+      register: wait_job
+      until: wait_job.resources
+      retries: 5
+      delay: 10
+
+    - name: Wait job's pod running
+      k8s_info:
+        kind: Pod
+        namespace: "{{ gc_namespace }}"
+        name: "{{ wait_job.resources[0].metadata.name }}"
         wait: yes
-        wait_timeout: 100
       register: job
 
     - name: Assert job's pod is running

molecule/default/tasks/json_patch.yml

@@ -43,6 +43,7 @@
             value: busybox:glibc
       check_mode: yes
       register: result
+      diff: yes
 
     - name: Assert patch was made
       assert:
@@ -50,6 +51,7 @@
           - result.changed
           - result.result.metadata.labels.label2 == "bar"
           - result.result.spec.containers[0].image == "busybox:glibc"
+          - result.diff
 
     - name: Describe pod
       kubernetes.core.k8s_info:
@@ -82,6 +84,7 @@
       assert:
         that:
           - result.changed
+          - result.diff is not defined
 
     - name: Describe pod
       kubernetes.core.k8s_info:

molecule/default/tasks/label_selectors.yml

@@ -0,0 +1,657 @@
+---
+- block:
+  - set_fact:
+      selector_namespace: "selector"
+      selector_pod_delete: "pod-selector-delete"
+      selector_pod_apply: "pod-selector-apply"
+      selector_pod_create:
+      - "pod-selector-apply-00"
+      - "pod-selector-apply-01"
+      - "pod-selector-apply-02"
+      - "pod-selector-apply-03"
+
+  - name: Ensure namespace selector
+    k8s:
+      kind: namespace
+      name: '{{ selector_namespace }}'
+
+  # Resource deletion using label selector (equality-based requirement)
+  - name: Create simple pod
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_delete }}-00'
+          labels:
+            ansible.dev/team: "cloud"
+            ansible.release/version: upstream
+            ansible.dev/test: "true"
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+
+  - name: Delete all resource using selector
+    k8s:
+      state: absent
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - ansible.dev/team=cloud
+      wait: yes
+      wait_timeout: 180
+
+  - name: Ensure resources have been deleted
+    k8s_info:
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - ansible.dev/team=cloud
+    register: result
+
+  - assert:
+      that:
+      - result.resources == []
+
+  # Resource deletion using label selector (set-based requirement)
+  - name: Create simple pod
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_delete }}-01'
+          labels:
+            environment: production
+        spec:
+          containers:
+          - name: c0
+            image: alpine:3.14.0
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+
+  - name: Delete all resource using selector
+    k8s:
+      state: absent
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment in (test, qa)
+      wait: yes
+      wait_timeout: 180
+    register: result
+
+  - name: check that no resources were deleted
+    assert:
+      that:
+      - result is not changed
+
+  - name: Ensure resources have not been deleted
+    k8s_info:
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment in (production)
+    register: result
+
+  - assert:
+      that:
+      - result.resources | list | length > 0
+
+  - name: Delete all resource using selector
+    k8s:
+      state: absent
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment in (production)
+      wait: yes
+      wait_timeout: 180
+    register: result
+
+  - name: check result is changed
+    assert:
+      that:
+      - result is changed
+
+  - name: Ensure resources have not been deleted
+    k8s_info:
+      kind: Pod
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment in (production)
+    register: result
+
+  - assert:
+      that:
+      - result.resources | list | length == 0
+
+  # Resource creation using label selector
+  - name: Create simple pod using label_selectors option (equality-based requirement)
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - container.image=fedora
+      definition: |
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[0] }}'
+          labels:
+            container.image: busybox
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[1] }}'
+          labels:
+            container.image: alpine
+        spec:
+          containers:
+          - name: c0
+            image: alpine
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[2] }}'
+          labels:
+            container.image: python
+            release: dev
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[3] }}'
+          labels:
+            container.image: python
+            release: dev
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+    register: result
+
+  - assert:
+      that:
+      - result is not changed
+
+  - name: Create simple pod using label_selectors option
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - container.image==alpine
+      definition: |
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[0] }}'
+          labels:
+            container.image: busybox
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[1] }}'
+          labels:
+            container.image: alpine
+        spec:
+          containers:
+          - name: c0
+            image: alpine
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[2] }}'
+          labels:
+            container.image: python
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[3] }}'
+          labels:
+            container.image: python
+            environment: production
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+    register: result
+
+  - assert:
+      that:
+      - result is changed
+
+  - name: list pod created
+    k8s_info:
+      namespace: '{{ selector_namespace }}'
+      kind: Pod
+      label_selectors:
+      - container.image
+    register: pod_created
+
+  - name: Validate that pod with matching label was created
+    assert:
+      that:
+      - pods_created | length == 1
+      - selector_pod_create[1] in pods_created
+    vars:
+      pods_created: '{{ pod_created.resources | map(attribute="metadata.name") | list }}'
+
+  - name: Create simple pod using label_selectors option (set-based requirement)
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - "!environment"
+      definition: |
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[0] }}'
+          labels:
+            container.image: busybox
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[1] }}'
+          labels:
+            container.image: alpine
+        spec:
+          containers:
+          - name: c0
+            image: alpine
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[2] }}'
+          labels:
+            container.image: python
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[3] }}'
+          labels:
+            container.image: python
+            environment: production
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+    register: result
+
+  - assert:
+      that:
+      - result is changed
+
+  - name: list pod created
+    k8s_info:
+      namespace: '{{ selector_namespace }}'
+      kind: Pod
+      label_selectors:
+      - container.image
+    register: pod_created
+
+  - name: Validate that pod with matching label was created
+    assert:
+      that:
+      - pods_created | length == 2
+      - selector_pod_create[0] in pods_created
+    vars:
+      pods_created: '{{ pod_created.resources | map(attribute="metadata.name") | list }}'
+
+  - name: Create simple pod using label_selectors option (set-based requirement)
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment in (test)
+      definition: |
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[0] }}'
+          labels:
+            container.image: busybox
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[1] }}'
+          labels:
+            container.image: alpine
+        spec:
+          containers:
+          - name: c0
+            image: alpine
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[2] }}'
+          labels:
+            container.image: python
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[3] }}'
+          labels:
+            container.image: python
+            environment: production
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+    register: result
+
+  - assert:
+      that:
+      - result is changed
+
+  - name: list pod created
+    k8s_info:
+      namespace: '{{ selector_namespace }}'
+      kind: Pod
+      label_selectors:
+      - container.image
+    register: pod_created
+
+  - name: Validate that pod with matching label was created
+    assert:
+      that:
+      - pods_created | length == 3
+      - selector_pod_create[2] in pods_created
+    vars:
+      pods_created: '{{ pod_created.resources | map(attribute="metadata.name") | list }}'
+
+  - name: Create simple pod using label_selectors option (set-based requirement)
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      label_selectors:
+      - environment notin (test)
+      definition: |
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[0] }}'
+          labels:
+            container.image: busybox
+        spec:
+          containers:
+          - name: c0
+            image: busybox
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[1] }}'
+          labels:
+            container.image: alpine
+        spec:
+          containers:
+          - name: c0
+            image: alpine
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[2] }}'
+          labels:
+            container.image: python
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+        ---
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_create[3] }}'
+          labels:
+            container.image: python
+            environment: production
+        spec:
+          containers:
+          - name: c0
+            image: python
+            command:
+              - /bin/sh
+              - -c
+              - while true;do date;sleep 5; done
+    register: result
+
+  - assert:
+      that:
+      - result is changed
+
+  - name: list pod created
+    k8s_info:
+      namespace: '{{ selector_namespace }}'
+      kind: Pod
+      label_selectors:
+      - container.image
+    register: pod_created
+
+  - name: Validate that pod with matching label was created
+    assert:
+      that:
+      - pods_created | length == 4
+      - selector_pod_create[3] in pods_created
+    vars:
+      pods_created: '{{ pod_created.resources | map(attribute="metadata.name") | list }}'
+
+  # Resource update using apply
+  - name: Create simple pod using apply
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      apply: yes
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_apply }}'
+          labels:
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: busybox:1.31.0
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+
+  - name: Apply new pod definition using label_selectors (no match)
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      apply: yes
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_apply }}'
+          labels:
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: busybox:1.33.0
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+      label_selectors:
+      - environment=qa
+    register: result
+
+  - name: check task output
+    assert:
+      that:
+      - result is not changed
+      - '"filtered by label_selectors" in result.msg'
+
+  - name: Apply new pod definition using label_selectors
+    k8s:
+      namespace: '{{ selector_namespace }}'
+      apply: yes
+      definition:
+        apiVersion: v1
+        kind: Pod
+        metadata:
+          name: '{{ selector_pod_apply }}'
+          labels:
+            environment: test
+        spec:
+          containers:
+          - name: c0
+            image: busybox:1.33.0
+            command:
+            - /bin/sh
+            - -c
+            - while true;do date;sleep 5; done
+      label_selectors:
+      - environment!=qa
+    register: result
+
+  - name: check task output
+    assert:
+      that:
+      - result is changed
+
+  always:
+  - name: Ensure namespace is deleted
+    k8s:
+      kind: Namespace
+      name: '{{ selector_namespace }}'
+      state: absent
+    ignore_errors: true

molecule/default/tasks/lookup_k8s.yml

@@ -1,6 +1,12 @@
 ---
 - block:
-    # https://github.com/ansible-collections/kubernetes.core/issues/9
+    - set_fact:
+        pre_test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        pre_test2: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+        pre_test3: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        pre_test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+
+    # https://github.com/ansible-collections/kubernetes.core/issues/147
     - name: Create a namespace with label
       kubernetes.core.k8s:
         definition:
@@ -12,15 +18,45 @@
               namespace_label: "app_development"
 
     - set_fact:
-        namespace_info: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development', wantlist=True) }}"
+        test2: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test3: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one', wantlist=True) }}"
+        test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+        test5: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test6: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+        test7: "{{ lookup('kubernetes.core.k8s', kind='Ingress', api_version='networking.k8s.io/vINVALID', errors='ignore') }}"
 
-    - name: Check if the returned value is list with a single element
+    - set_fact:
+        test8: "{{ lookup('kubernetes.core.k8s', kind='Ingress', api_version='networking.k8s.io/vINVALID') }}"
+      ignore_errors: true
+
+    - name: Assert that every test is passed
       assert:
         that:
-          - namespace_info is iterable
-          - not namespace_info is string
-          - not namespace_info is mapping
-          - namespace_info | length == 1
+          # Before creating object
+          - pre_test1 is sequence and pre_test1 is not string
+          - pre_test1 | length == 0
+          - pre_test2 is sequence and pre_test2 is not string
+          - pre_test2 | length == 0
+          - pre_test3 is sequence and pre_test3 is not string
+          - pre_test3 | length == 0
+          - pre_test4 is sequence and pre_test4 is not string
+          - pre_test4 | length == 0
+          # After creating object
+          - test1 is sequence and test1 is not string
+          - test1 | length == 1
+          - test2 is sequence and test2 is not string
+          - test2 | length == 1
+          - test3 is sequence and test3 is not string
+          - test3 | length == 1
+          - test4 is sequence and test4 is not string
+          - test4 | length == 1
+          # Without wantlist=True lookup should return mapping
+          - test5 is mapping
+          - test6 is mapping
+          # errors='ignore'
+          - test7 is string
+          - test8 is not defined
 
     - name: Create another namespace with label
       kubernetes.core.k8s:
@@ -33,22 +69,44 @@
               namespace_label: "app_development"
 
     - set_fact:
-        namespace_info: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development', wantlist=True) }}"
+        test2: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test3: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one', wantlist=True) }}"
+        test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+        test5: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two', wantlist=True) }}"
+        test6: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two') }}"
+        test7: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
+        test8: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
+        test9: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two') }}"
 
-    - name: Check if the returned value is list with 2 elements
+    - name: Assert that every test is passed after creating second object
       assert:
         that:
-          - namespace_info is iterable
-          - not namespace_info is string
-          - not namespace_info is mapping
-          - namespace_info | length == 2
+          # After creating second object
+          - test1 is sequence and test1 is not string
+          - test1 | length == 2
+          - test2 is sequence and test2 is not string
+          - test2 | length == 2
+          - test3 is sequence and test3 is not string
+          - test3 | length == 1
+          - test4 is sequence and test4 is not string
+          - test4 | length == 1
+          - test5 is sequence and test5 is not string
+          - test5 | length == 1
+          - test6 is sequence and test6 is not string
+          - test6 | length == 1
+          # When label_selector is used it returns list irrespective of wantlist=True
+          - test7 is sequence and test7 is not string
+          # Without wantlist=True lookup should return mapping
+          - test8 is mapping
+          - test9 is mapping
 
   always:
     - name: Ensure that namespace is removed
       k8s:
         kind: Namespace
-        name: "{{ item }}"
+        name: "app-development-{{ item }}"
         state: absent
       with_items:
-        - app-development-one
-        - app-development-two
+        - one
+        - two

molecule/default/tasks/lookup_kustomize.yml

@@ -0,0 +1,103 @@
+---
+- block:
+  - set_fact:
+      kustomize_ns: "kustomize"
+
+  - name: create environment for test
+    block:
+    - name: Ensure namespace
+      k8s:
+        kind: Namespace
+        name: "{{ kustomize_ns }}"
+
+    - name: Create temp directory
+      tempfile:
+        state: directory
+        suffix: .test
+      register: _tmp_dir
+
+    - set_fact:
+        tmp_dir_path: "{{ _tmp_dir.path }}"
+
+    - set_fact:
+        kustomize_dir: "{{ tmp_dir_path }}/kustomization"
+
+    - name: create kustomize directory
+      file:
+        path: "{{ kustomize_dir }}"
+        state: directory
+
+    - name: create kustomization file
+      copy:
+        content: '{{ item.content }}'
+        dest: '{{ item.dest }}'
+      with_items:
+      - content: |
+          configMapGenerator:
+          - name: test-confmap-
+            files:
+            - data.properties
+        dest: "{{ kustomize_dir }}/kustomization.yaml"
+      - content: "project=ansible"
+        dest: "{{ kustomize_dir }}/data.properties"
+
+    - name: copy script to install kustomize
+      get_url:
+        url: https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh
+        dest: "{{ tmp_dir_path }}"
+
+    - name: make script as executable
+      file:
+        path: "{{ tmp_dir_path }}/install_kustomize.sh"
+        mode: 0755
+
+    - name: Install kustomize
+      command: "{{ tmp_dir_path }}/install_kustomize.sh"
+      args:
+        chdir: "{{ tmp_dir_path }}"
+      register: _install
+
+    - set_fact:
+        kustomize_binary: "{{ _install.stdout | regex_search('kustomize installed to (.*)', '\\1') | list | join('') }}"
+        kubectl_binary: "{{ tmp_dir_path }}/kubectl"
+
+    - name: Download kubeclt executable used to compare results
+      get_url:
+        url: https://dl.k8s.io/release/v1.21.3/bin/linux/amd64/kubectl
+        dest: "{{ kubectl_binary }}"
+
+    - name: make kubectl executable
+      ansible.builtin.file:
+        path: "{{ kubectl_binary }}"
+        mode: "+x"
+
+    - name: Run lookup using kustomize binary
+      set_fact:
+        resource_kustomize: "{{ lookup('kubernetes.core.kustomize', binary_path=kustomize_binary, dir=kustomize_dir) }}"
+
+    - name: Run lookup using kubectl binary
+      set_fact:
+        resource_kubectl: "{{ lookup('kubernetes.core.kustomize', binary_path=kubectl_binary, dir=kustomize_dir) }}"
+
+    - name: assert output are the same
+      assert:
+        that:
+        - resource_kubectl == resource_kustomize
+
+    - name: create kubernetes resource using lookup plugin
+      k8s:
+        namespace: "{{ kustomize_ns }}"
+        definition: "{{ lookup('kubernetes.core.kustomize', dir=kustomize_dir, opt_dirs=tmp_dir_path) }}"
+
+  always:
+  - name: Delete namespace
+    k8s:
+      kind: Namespace
+      name: "{{ kustomize_ns }}"
+      state: absent
+    ignore_errors: true
+
+  - name: Delete temporary directory
+    file:
+      state: absent
+      path: "{{ tmp_dir_path }}"

molecule/default/tasks/scale.yml

@@ -54,6 +54,7 @@
         replicas: 0
         wait: yes
       register: scale_down
+      diff: true
 
     - name: Get pods in scale-deploy
       k8s_info:
@@ -143,7 +144,7 @@
         that:
           - scale_up is changed
           - '"duration" in scale_up'
-          - scale_up.diff
+          - scale_up.diff is not defined
           - scale_up_further_deploy_pods.resources | length == 2
 
     - name: Don't scale the deployment up
@@ -170,7 +171,7 @@
       assert:
         that:
           - scale_up_noop is not changed
-          - not scale_up_noop.diff
+          - scale_up_noop.diff is not defined
           - scale_up_noop_pods.resources | length == 2
           - '"duration" in scale_up_noop'
 
@@ -183,6 +184,7 @@
         replicas: 1
         wait: no
       register: scale_down_no_wait
+      diff: true
 
     - name: Ensure that scale down succeeds
       k8s_info:

molecule/default/tasks/template.yml

@@ -22,7 +22,7 @@
       assert:
         that:
           - r.failed
-          - "'is only supported parameter for' in r.msg"
+          - "'is only a supported parameter for' in r.msg"
 
     - name: Specify both definition and template
       kubernetes.core.k8s:

molecule/default/tasks/validate.yml

@@ -0,0 +1,240 @@
+- block:
+    - name: Create namespace
+      k8s:
+        definition:
+          apiVersion: v1
+          kind: Namespace
+          metadata:
+            name: "{{ validate_namespace }}"
+
+    - name: Create temp directory
+      tempfile:
+        state: directory
+        suffix: .test
+      register: remote_tmp_dir
+
+    - set_fact:
+        remote_tmp_dir: "{{ remote_tmp_dir.path }}"
+
+    - set_fact:
+        virtualenv: "{{ remote_tmp_dir }}/virtualenv"
+        virtualenv_command: "virtualenv --python {{ ansible_python_interpreter }}"
+
+    - set_fact:
+        virtualenv_interpreter: "{{ virtualenv }}/bin/python"
+
+    - pip:
+        name:
+          - kubernetes
+        virtualenv: "{{ virtualenv }}"
+        virtualenv_command: "{{ virtualenv_command }}"
+        virtualenv_site_packages: false
+
+    - name: Validate should fail gracefully without kubernetes-validate
+      k8s:
+        definition: &cmap
+          apiVersion: v1
+          kind: ConfigMap
+          metadata:
+            name: testmap
+            namespace: "{{ validate_namespace }}"
+          data:
+            mykey: myval
+        validate:
+          fail_on_error: true
+      ignore_errors: true
+      register: k8s_no_validate
+      vars:
+        ansible_python_interpreter: "{{ virtualenv_interpreter }}"
+
+    - assert:
+        that:
+          - k8s_no_validate is failed
+          - "k8s_no_validate.msg == 'kubernetes-validate python library is required to validate resources'"
+
+    - file:
+        path: "{{ virtualenv }}"
+        state: absent
+
+    - pip:
+        name:
+          - kubernetes
+          - kubernetes-validate
+        virtualenv: "{{ virtualenv }}"
+        virtualenv_command: "{{ virtualenv_command }}"
+        virtualenv_site_packages: false
+
+    - block:
+        - name: Simple ConfigMap should validate
+          k8s:
+            definition: *cmap
+            validate:
+              fail_on_error: true
+
+        - name: ConfigMap with extra properties should validate without strict
+          k8s:
+            definition:
+              <<: *cmap
+              extra: stuff
+            validate:
+              fail_on_error: true
+              strict: false
+
+        - name: ConfigMap with extra properties should not validate with strict
+          k8s:
+            definition:
+              <<: *cmap
+              extra: stuff
+            validate:
+              fail_on_error: true
+              strict: true
+          ignore_errors: true
+          register: result
+
+        - assert:
+            that:
+              - result is failed
+              - "\"('extra' was unexpected)\" is in result.msg"
+
+        - name: Property with invalid type should fail with strict
+          k8s:
+            definition:
+              apiVersion: apps/v1
+              kind: Deployment
+              metadata:
+                name: testdeploy
+                namespace: "{{ validate_namespace }}"
+                labels:
+                  app: foo
+              spec:
+                replicas: lots
+                selector:
+                  matchLabels:
+                    app: foo
+                template:
+                  metadata:
+                    labels:
+                      app: foo
+                  spec:
+                    containers:
+                      - name: busybox
+                        image: busybox
+            validate:
+              fail_on_error: true
+              strict: false
+          ignore_errors: true
+          register: result
+
+        - assert:
+            that:
+              - result is failed
+              - result.status is not defined
+              - "\"'lots' is not of type 'integer'\" in result.msg"
+
+        - name: Create CRD
+          k8s:
+            definition: &crd
+              apiVersion: apiextensions.k8s.io/v1
+              kind: CustomResourceDefinition
+              metadata:
+                name: foobars.example.com
+              spec:
+                group: example.com
+                versions:
+                  - name: v1
+                    served: true
+                    storage: true
+                    schema:
+                      openAPIV3Schema:
+                        type: object
+                        properties:
+                          foo:
+                            type: string
+                scope: Namespaced
+                names:
+                  plural: foobars
+                  singular: foobar
+                  kind: Foobar
+
+        - pause:
+            seconds: 5
+
+        - name: Adding CRD should succeed with warning
+          k8s:
+            definition:
+              apiVersion: example.com/v1
+              kind: Foobar
+              metadata:
+                name: foobar
+                namespace: "{{ validate_namespace }}"
+              foo: bar
+            validate:
+              fail_on_error: true
+              strict: true
+          register: result
+
+        - assert:
+            that:
+              - result is successful
+              - "'warnings' in result"
+      vars:
+        ansible_python_interpreter: "{{ virtualenv_interpreter }}"
+
+    - name: stat default kube config
+      stat:
+        path: "~/.kube/config"
+      register: _stat
+
+    - name: validate that in-memory kubeconfig authentication failed for kubernetes < 17.17.0
+      block:
+        - set_fact:
+            virtualenv_kubeconfig: "{{ remote_tmp_dir }}/kubeconfig"
+
+        - pip:
+            name:
+              - "kubernetes<17.17.0"
+            virtualenv: "{{ virtualenv_kubeconfig }}"
+            virtualenv_command: "{{ virtualenv_command }}"
+            virtualenv_site_packages: false
+
+        - name: list namespace using in-memory kubeconfig
+          k8s_info:
+            kind: Namespace
+            kubeconfig: "{{ lookup('file', '~/.kube/config') | from_yaml }}"
+          register: _result
+          ignore_errors: true
+          vars:
+            ansible_python_interpreter: "{{ virtualenv_kubeconfig }}/bin/python"
+
+        - name: assert that task failed with proper message
+          assert:
+            that:
+              - '"kubernetes >= 17.17.0 is required" in _result.msg'
+      when:
+        - _stat.stat.exists
+        - _stat.stat.readable
+        - _stat.stat.isreg
+  always:
+    - name: Remove temp directory
+      file:
+        path: "{{ remote_tmp_dir }}"
+        state: absent
+      ignore_errors: true
+
+    - name: Remove namespace
+      k8s:
+        kind: Namespace
+        name: "{{ validate_namespace }}"
+        state: absent
+      ignore_errors: true
+
+    - name: Remove CRD
+      k8s:
+        definition: *crd
+        state: absent
+      ignore_errors: true
+
+  vars:
+    validate_namespace: validate
+  environment:
+    ENABLE_TURBO_MODE: false

molecule/default/tasks/waiter.yml

@@ -140,6 +140,111 @@
           - ds.result.status.currentNumberScheduled == ds.result.status.desiredNumberScheduled
           - updated_ds_pods.resources[0].spec.containers[0].image.endswith(":3")
 
+    - name: Add a statefulset
+      k8s:
+        definition:
+          apiVersion: apps/v1
+          kind: StatefulSet
+          metadata:
+            name: wait-statefulset
+            namespace: "{{ wait_namespace }}"
+          spec:
+            selector:
+              matchLabels:
+                app: "{{ k8s_pod_name }}"
+            template: "{{ k8s_pod_template }}"
+        wait: yes
+        wait_sleep: 5
+        wait_timeout: 180
+      vars:
+        k8s_pod_name: wait-sts
+        k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:1
+        k8s_pod_command:
+          - sleep
+          - "600"
+      register: sts
+
+    - name: Check that statefulset wait worked
+      assert:
+        that:
+          - sts.result.spec.replicas == sts.result.status.readyReplicas
+
+    - name: Update a statefulset in check_mode
+      k8s:
+        definition:
+          apiVersion: apps/v1
+          kind: StatefulSet
+          metadata:
+            name: wait-statefulset
+            namespace: "{{ wait_namespace }}"
+          spec:
+            selector:
+              matchLabels:
+                app: "{{ k8s_pod_name }}"
+            updateStrategy:
+              type: RollingUpdate
+            template: "{{ k8s_pod_template }}"
+        wait: yes
+        wait_sleep: 3
+        wait_timeout: 180
+      vars:
+        k8s_pod_name: wait-sts
+        k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:2
+        k8s_pod_command:
+          - sleep
+          - "600"
+      register: update_sts_check_mode
+      check_mode: yes
+
+    - name: Check that check_mode result contains the changes
+      assert:
+        that:
+          - update_sts_check_mode is changed
+          - "update_sts_check_mode.result.spec.template.spec.containers[0].image == 'gcr.io/kuar-demo/kuard-amd64:2'"
+
+    - name: Update a statefulset
+      k8s:
+        definition:
+          apiVersion: apps/v1
+          kind: StatefulSet
+          metadata:
+            name: wait-statefulset
+            namespace: "{{ wait_namespace }}"
+          spec:
+            selector:
+              matchLabels:
+                app: "{{ k8s_pod_name }}"
+            updateStrategy:
+              type: RollingUpdate
+            template: "{{ k8s_pod_template }}"
+        wait: yes
+        wait_sleep: 3
+        wait_timeout: 180
+      vars:
+        k8s_pod_name: wait-sts
+        k8s_pod_image: gcr.io/kuar-demo/kuard-amd64:3
+        k8s_pod_command:
+          - sleep
+          - "600"
+      register: sts
+
+    - name: Get updated pods
+      k8s_info:
+        api_version: v1
+        kind: Pod
+        namespace: "{{ wait_namespace }}"
+        label_selectors:
+          - app=wait-sts
+        field_selectors:
+          - status.phase=Running
+      register: updated_sts_pods
+
+    - name: Check that statefulset wait worked
+      assert:
+        that:
+          - sts.result.spec.replicas == sts.result.status.readyReplicas
+          - updated_sts_pods.resources[0].spec.containers[0].image.endswith(":3")
+
     - name: Add a crashing pod
       k8s:
         definition:

molecule/default/templates/pod_diff.j2

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Pod
+metadata:
+    name: {{ pod_name }}
+    labels:
+        ansible: {{ pod_label | default('demo') }}
+spec:
+    containers:
+    - name: c0
+      image: {{ pod_image }}
+      command:
+        - /bin/sh
+        - -c
+        - while true;do date;sleep 5; done

plugins/action/k8s_cp.py

@@ -0,0 +1 @@
+k8s_info.py

plugins/action/k8s_drain.py

@@ -0,0 +1 @@
+k8s_info.py

plugins/action/k8s_info.py

@@ -8,6 +8,7 @@ __metaclass__ = type
 
 import copy
 import traceback
+import os
 from contextlib import contextmanager
 
 
@@ -113,7 +114,7 @@ class ActionModule(ActionBase):
 
     def import_jinja2_lstrip(self, templates):
         # Option `lstrip_blocks' was added in Jinja2 version 2.7.
-        if any([tmp['lstrip_blocks'] for tmp in templates]):
+        if any(tmp['lstrip_blocks'] for tmp in templates):
             try:
                 import jinja2.defaults
             except ImportError:
@@ -126,8 +127,8 @@ class ActionModule(ActionBase):
 
     def load_template(self, template, new_module_args, task_vars):
         # template is only supported by k8s module.
-        if self._task.action not in ('k8s', 'kubernetes.core.k8s', 'community.okd.k8s'):
-            raise AnsibleActionFail("'template' is only supported parameter for 'k8s' module.")
+        if self._task.action not in ('k8s', 'kubernetes.core.k8s', 'community.okd.k8s', 'redhat.openshift.k8s', 'community.kubernetes.k8s'):
+            raise AnsibleActionFail("'template' is only a supported parameter for the 'k8s' module.")
 
         template_params = []
         if isinstance(template, string_types) or isinstance(template, dict):
@@ -179,6 +180,38 @@ class ActionModule(ActionBase):
             new_module_args.pop('template')
         new_module_args['definition'] = result_template
 
+    def get_file_realpath(self, local_path):
+        # local_path is only supported by k8s_cp module.
+        if self._task.action not in ('k8s_cp', 'kubernetes.core.k8s_cp', 'community.kubernetes.k8s_cp'):
+            raise AnsibleActionFail("'local_path' is only supported parameter for 'k8s_cp' module.")
+
+        if os.path.exists(local_path):
+            return local_path
+
+        try:
+            # find in expected paths
+            return self._find_needle('files', local_path)
+        except AnsibleError:
+            raise AnsibleActionFail("%s does not exist in local filesystem" % local_path)
+
+    def get_kubeconfig(self, kubeconfig, remote_transport, new_module_args):
+        if isinstance(kubeconfig, string_types):
+            # find the kubeconfig in the expected search path
+            if not remote_transport:
+                # kubeconfig is local
+                # find in expected paths
+                kubeconfig = self._find_needle('files', kubeconfig)
+
+                # decrypt kubeconfig found
+                actual_file = self._loader.get_real_file(kubeconfig, decrypt=True)
+                new_module_args['kubeconfig'] = actual_file
+
+        elif isinstance(kubeconfig, dict):
+            new_module_args['kubeconfig'] = kubeconfig
+        else:
+            raise AnsibleActionFail("Error while reading kubeconfig parameter - "
+                                    "a string or dict expected, but got %s instead" % type(kubeconfig))
+
     def run(self, tmp=None, task_vars=None):
         ''' handler for k8s options '''
         if task_vars is None:
@@ -196,22 +229,15 @@ class ActionModule(ActionBase):
         new_module_args = copy.deepcopy(self._task.args)
 
         kubeconfig = self._task.args.get('kubeconfig', None)
-        # find the kubeconfig in the expected search path
-        if kubeconfig and not remote_transport:
-            # kubeconfig is local
+        if kubeconfig:
             try:
-                # find in expected paths
-                kubeconfig = self._find_needle('files', kubeconfig)
+                self.get_kubeconfig(kubeconfig, remote_transport, new_module_args)
             except AnsibleError as e:
                 result['failed'] = True
                 result['msg'] = to_text(e)
                 result['exception'] = traceback.format_exc()
                 return result
 
-            # decrypt kubeconfig found
-            actual_file = self._loader.get_real_file(kubeconfig, decrypt=True)
-            new_module_args['kubeconfig'] = actual_file
-
         # find the file in the expected search path
         src = self._task.args.get('src', None)
 
@@ -238,6 +264,11 @@ class ActionModule(ActionBase):
         if template:
             self.load_template(template, new_module_args, task_vars)
 
+        local_path = self._task.args.get('local_path')
+        state = self._task.args.get('state', None)
+        if local_path and state == 'to_pod':
+            new_module_args['local_path'] = self.get_file_realpath(local_path)
+
         # Execute the k8s_* module.
         module_return = self._execute_module(module_name=self._task.action, module_args=new_module_args, task_vars=task_vars)
 

plugins/connection/kubectl.py

@@ -245,6 +245,8 @@ class Connection(ConnectionBase):
                 # Redact password and token from console log
                 if key.endswith(('_token', '_password')):
                     censored_local_cmd += [cmd_arg, '********']
+                else:
+                    censored_local_cmd += [cmd_arg, self.get_option(key)]
 
         extra_args_name = u'{0}_extra_args'.format(self.transport)
         if self.get_option(extra_args_name):

plugins/doc_fragments/k8s_auth_options.py

@@ -27,7 +27,8 @@ options:
       options are provided, the Kubernetes client will attempt to load the default
       configuration file from I(~/.kube/config). Can also be specified via K8S_AUTH_KUBECONFIG environment
       variable.
-    type: path
+    - The kubernetes configuration can be provided as dictionary. This feature requires a python kubernetes client version >= 17.17.0. Added in version 2.2.0.
+    type: raw
   context:
     description:
     - The name of a context found in the config file. Can also be specified via K8S_AUTH_CONTEXT environment variable.

plugins/lookup/k8s.py

@@ -21,7 +21,10 @@ DOCUMENTATION = '''
         namespace, or all matching objects for all namespaces, as well as information about the cluster.
       - Provides access the full range of K8s APIs.
       - Enables authentication via config file, certificates, password or token.
-
+    notes:
+      - While querying, please use C(query) or C(lookup) format with C(wantlist=True) to provide an easier and more
+        consistent interface. For more details, see
+        U(https://docs.ansible.com/ansible/latest/plugins/lookup.html#forcing-lookups-to-return-lists-query-and-wantlist-true).
     options:
       cluster_info:
         description:
@@ -119,23 +122,23 @@ DOCUMENTATION = '''
 EXAMPLES = """
 - name: Fetch a list of namespaces
   set_fact:
-    projects: "{{ lookup('kubernetes.core.k8s', api_version='v1', kind='Namespace') }}"
+    projects: "{{ query('kubernetes.core.k8s', api_version='v1', kind='Namespace') }}"
 
 - name: Fetch all deployments
   set_fact:
-    deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment') }}"
+    deployments: "{{ query('kubernetes.core.k8s', kind='Deployment') }}"
 
 - name: Fetch all deployments in a namespace
   set_fact:
-    deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment', namespace='testing') }}"
+    deployments: "{{ query('kubernetes.core.k8s', kind='Deployment', namespace='testing') }}"
 
 - name: Fetch a specific deployment by name
   set_fact:
-    deployments: "{{ lookup('kubernetes.core.k8s', kind='Deployment', namespace='testing', resource_name='elastic') }}"
+    deployments: "{{ query('kubernetes.core.k8s', kind='Deployment', namespace='testing', resource_name='elastic') }}"
 
 - name: Fetch with label selector
   set_fact:
-    service: "{{ lookup('kubernetes.core.k8s', kind='Service', label_selector='app=galaxy') }}"
+    service: "{{ query('kubernetes.core.k8s', kind='Service', label_selector='app=galaxy') }}"
 
 # Use parameters from a YAML config
 
@@ -145,11 +148,11 @@ EXAMPLES = """
 
 - name: Using the config (loaded from a file in prior task), fetch the latest version of the object
   set_fact:
-    service: "{{ lookup('kubernetes.core.k8s', resource_definition=config) }}"
+    service: "{{ query('kubernetes.core.k8s', resource_definition=config) }}"
 
 - name: Use a config from the local filesystem
   set_fact:
-    service: "{{ lookup('kubernetes.core.k8s', src='service.yml') }}"
+    service: "{{ query('kubernetes.core.k8s', src='service.yml') }}"
 """
 
 RETURN = """
@@ -264,7 +267,7 @@ class KubernetesLookup(K8sAnsibleMixin):
         if self.name:
             return [k8s_obj.to_dict()]
 
-        return [k8s_obj.to_dict().get('items')]
+        return k8s_obj.to_dict().get('items')
 
 
 class LookupModule(LookupBase):

plugins/lookup/kustomize.py

@@ -0,0 +1,133 @@
+#
+#  Copyright 2021 Red Hat | Ansible
+#
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+DOCUMENTATION = '''
+    lookup: kustomize
+
+    short_description: Build a set of kubernetes resources using a 'kustomization.yaml' file.
+
+    version_added: "2.2.0"
+
+    author:
+      - Aubin Bikouo <@abikouo>
+    notes:
+      - If both kustomize and kubectl are part of the PATH, kustomize will be used by the plugin.
+    description:
+      - Uses the kustomize or the kubectl tool.
+      - Return the result of C(kustomize build) or C(kubectl kustomize).
+    options:
+      dir:
+        description:
+        - The directory path containing 'kustomization.yaml',
+          or a git repository URL with a path suffix specifying same with respect to the repository root.
+        - If omitted, '.' is assumed.
+        default: "."
+      binary_path:
+        description:
+        - The path of a kustomize or kubectl binary to use.
+      opt_dirs:
+        description:
+        - An optional list of directories to search for the executable in addition to PATH.
+
+    requirements:
+      - "python >= 3.6"
+'''
+
+EXAMPLES = """
+- name: Run lookup using kustomize
+  set_fact:
+    resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kustomize') }}"
+
+- name: Run lookup using kubectl kustomize
+  set_fact:
+    resources: "{{ lookup('kubernetes.core.kustomize', binary_path='/path/to/kubectl') }}"
+
+- name: Create kubernetes resources for lookup output
+  k8s:
+    definition: "{{ lookup('kubernetes.core.kustomize', dir='/path/to/kustomization') }}"
+"""
+
+RETURN = """
+  _list:
+    description:
+      - One ore more object definitions returned from the tool execution.
+    type: complex
+    contains:
+      api_version:
+        description: The versioned schema of this representation of an object.
+        returned: success
+        type: str
+      kind:
+        description: Represents the REST resource this object represents.
+        returned: success
+        type: str
+      metadata:
+        description: Standard object metadata. Includes name, namespace, annotations, labels, etc.
+        returned: success
+        type: complex
+      spec:
+        description: Specific attributes of the object. Will vary based on the I(api_version) and I(kind).
+        returned: success
+        type: complex
+      status:
+        description: Current status details for the object.
+        returned: success
+        type: complex
+"""
+
+from ansible.errors import AnsibleLookupError
+from ansible.plugins.lookup import LookupBase
+from ansible.module_utils.common.process import get_bin_path
+
+
+import subprocess
+
+
+def get_binary_from_path(name, opt_dirs=None):
+    opt_arg = {}
+    try:
+        if opt_dirs is not None:
+            if not isinstance(opt_dirs, list):
+                opt_dirs = [opt_dirs]
+            opt_arg['opt_dirs'] = opt_dirs
+        bin_path = get_bin_path(name, **opt_arg)
+        return bin_path
+    except ValueError:
+        return None
+
+
+def run_command(command):
+    cmd = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    return cmd.communicate()
+
+
+class LookupModule(LookupBase):
+
+    def run(self, terms, variables=None, dir=".", binary_path=None, opt_dirs=None, **kwargs):
+        executable_path = binary_path
+        if executable_path is None:
+            executable_path = get_binary_from_path(name="kustomize", opt_dirs=opt_dirs)
+            if executable_path is None:
+                executable_path = get_binary_from_path(name="kubectl", opt_dirs=opt_dirs)
+
+            # validate that at least one tool was found
+            if executable_path is None:
+                raise AnsibleLookupError("Failed to find required executable 'kubectl' and 'kustomize' in paths")
+
+        # check input directory
+        kustomization_dir = dir
+
+        command = [executable_path]
+        if executable_path.endswith('kustomize'):
+            command += ['build', kustomization_dir]
+        elif executable_path.endswith('kubectl'):
+            command += ['kustomize', kustomization_dir]
+        else:
+            raise AnsibleLookupError("unexpected tool provided as parameter {0}, expected one of kustomize, kubectl.".format(executable_path))
+
+        (out, err) = run_command(command)
+        if err:
+            raise AnsibleLookupError("kustomize command failed with: {0}".format(err.decode("utf-8")))
+        return [out.decode('utf-8')]

plugins/module_utils/ansiblemodule.py

@@ -3,10 +3,22 @@ from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
 
+import os
+
+from ansible.module_utils.common.validation import check_type_bool
+
 try:
-    from ansible_collections.cloud.common.plugins.module_utils.turbo.module import (
-        AnsibleTurboModule as AnsibleModule,
-    )  # noqa: F401
-    AnsibleModule.collection_name = "kubernetes.core"
-except ImportError:
+    enable_turbo_mode = check_type_bool(os.environ.get("ENABLE_TURBO_MODE"))
+except TypeError:
+    enable_turbo_mode = False
+
+if enable_turbo_mode:
+    try:
+        from ansible_collections.cloud.common.plugins.module_utils.turbo.module import (
+            AnsibleTurboModule as AnsibleModule,
+        )  # noqa: F401
+        AnsibleModule.collection_name = "kubernetes.core"
+    except ImportError:
+        from ansible.module_utils.basic import AnsibleModule  # noqa: F401
+else:
     from ansible.module_utils.basic import AnsibleModule  # noqa: F401

plugins/module_utils/args_common.py

@@ -19,7 +19,7 @@ AUTH_PROXY_HEADERS_SPEC = dict(
 
 AUTH_ARG_SPEC = {
     'kubeconfig': {
-        'type': 'path',
+        'type': 'raw',
     },
     'context': {},
     'host': {},

plugins/module_utils/client/discovery.py

@@ -18,6 +18,7 @@ import os
 from collections import defaultdict
 import hashlib
 import tempfile
+from functools import partial
 
 import kubernetes.dynamic
 import kubernetes.dynamic.discovery
@@ -74,7 +75,7 @@ class Discoverer(kubernetes.dynamic.discovery.Discoverer):
         else:
             try:
                 with open(self.__cache_file, 'r') as f:
-                    self._cache = json.load(f, cls=CacheDecoder(self.client))
+                    self._cache = json.load(f, cls=partial(CacheDecoder, self.client))
                 if self._cache.get('library_version') != __version__:
                     # Version mismatch, need to refresh cache
                     self.invalidate_cache()
@@ -143,7 +144,7 @@ class Discoverer(kubernetes.dynamic.discovery.Discoverer):
                 result for result in results if result.group_version == kwargs['api_version']
             ]
         # If there are multiple matches, prefer non-List kinds
-        if len(results) > 1 and not all([isinstance(x, ResourceList) for x in results]):
+        if len(results) > 1 and not all(isinstance(x, ResourceList) for x in results):
             results = [result for result in results if not isinstance(result, ResourceList)]
         # if multiple resources are found that share a GVK, prefer the one with the most supported verbs
         if len(results) > 1 and len(set((x.group_version, x.kind) for x in results)) == 1:
@@ -162,6 +163,10 @@ class LazyDiscoverer(Discoverer, kubernetes.dynamic.LazyDiscoverer):
         Discoverer.__init__(self, client, cache_file)
         self.__update_cache = False
 
+    @property
+    def update_cache(self):
+        self.__update_cache
+
 
 class CacheDecoder(json.JSONDecoder):
     def __init__(self, client, *args, **kwargs):

plugins/module_utils/common.py

@@ -29,6 +29,7 @@ from distutils.version import LooseVersion
 
 from ansible_collections.kubernetes.core.plugins.module_utils.args_common import (AUTH_ARG_MAP, AUTH_ARG_SPEC, AUTH_PROXY_HEADERS_SPEC)
 from ansible_collections.kubernetes.core.plugins.module_utils.hashes import generate_hash
+from ansible_collections.kubernetes.core.plugins.module_utils.selector import LabelSelectorFilter
 
 from ansible.module_utils.basic import missing_required_lib
 from ansible.module_utils.six import iteritems, string_types
@@ -53,7 +54,7 @@ except ImportError as e:
 
 IMP_K8S_CLIENT = None
 try:
-    from ansible_collections.kubernetes.core.plugins.module_utils.k8sdynamicclient import K8SDynamicClient
+    from ansible_collections.kubernetes.core.plugins.module_utils import k8sdynamicclient
     from ansible_collections.kubernetes.core.plugins.module_utils.client.discovery import LazyDiscoverer
     IMP_K8S_CLIENT = True
 except ImportError as e:
@@ -119,12 +120,11 @@ def get_api_client(module=None, **kwargs):
 
     def _raise_or_fail(exc, msg):
         if module:
-            module.fail_json(msg % to_native(exc))
+            module.fail_json(msg=msg % to_native(exc))
         raise exc
-
     # If authorization variables aren't defined, look for them in environment variables
     for true_name, arg_name in AUTH_ARG_MAP.items():
-        if module and module.params.get(arg_name):
+        if module and module.params.get(arg_name) is not None:
             auth[true_name] = module.params.get(arg_name)
         elif arg_name in kwargs and kwargs.get(arg_name) is not None:
             auth[true_name] = kwargs.get(arg_name)
@@ -147,7 +147,23 @@ def get_api_client(module=None, **kwargs):
                 auth[true_name] = env_value
 
     def auth_set(*names):
-        return all([auth.get(name) for name in names])
+        return all(auth.get(name) for name in names)
+
+    def _load_config():
+        kubeconfig = auth.get('kubeconfig')
+        optional_arg = {
+            'context': auth.get('context'),
+            'persist_config': auth.get('persist_config'),
+        }
+        if kubeconfig:
+            if isinstance(kubeconfig, string_types):
+                kubernetes.config.load_kube_config(config_file=kubeconfig, **optional_arg)
+            elif isinstance(kubeconfig, dict):
+                if LooseVersion(kubernetes.__version__) < LooseVersion("17.17"):
+                    _raise_or_fail(Exception("kubernetes >= 17.17.0 is required to use in-memory kubeconfig."), 'Failed to load kubeconfig due to: %s')
+                kubernetes.config.load_kube_config_from_dict(config_dict=kubeconfig, **optional_arg)
+        else:
+            kubernetes.config.load_kube_config(config_file=None, **optional_arg)
 
     if auth_set('host'):
         # Removing trailing slashes if any from hostname
@@ -158,7 +174,7 @@ def get_api_client(module=None, **kwargs):
         pass
     elif auth_set('kubeconfig') or auth_set('context'):
         try:
-            kubernetes.config.load_kube_config(auth.get('kubeconfig'), auth.get('context'), persist_config=auth.get('persist_config'))
+            _load_config()
         except Exception as err:
             _raise_or_fail(err, 'Failed to load kubeconfig due to %s')
 
@@ -168,7 +184,7 @@ def get_api_client(module=None, **kwargs):
             kubernetes.config.load_incluster_config()
         except kubernetes.config.ConfigException:
             try:
-                kubernetes.config.load_kube_config(auth.get('kubeconfig'), auth.get('context'), persist_config=auth.get('persist_config'))
+                _load_config()
             except Exception as err:
                 _raise_or_fail(err, 'Failed to load kubeconfig due to %s')
 
@@ -195,7 +211,7 @@ def get_api_client(module=None, **kwargs):
         return client
 
     try:
-        client = K8SDynamicClient(kubernetes.client.ApiClient(configuration), discoverer=LazyDiscoverer)
+        client = k8sdynamicclient.K8SDynamicClient(kubernetes.client.ApiClient(configuration), discoverer=LazyDiscoverer)
     except Exception as err:
         _raise_or_fail(err, 'Failed to get client due to %s')
 
@@ -208,13 +224,13 @@ get_api_client._pool = {}
 
 class K8sAnsibleMixin(object):
 
-    def __init__(self, module, *args, **kwargs):
+    def __init__(self, module, pyyaml_required=True, *args, **kwargs):
         if not HAS_K8S_MODULE_HELPER:
             module.fail_json(msg=missing_required_lib('kubernetes'), exception=K8S_IMP_ERR,
                              error=to_native(k8s_import_exception))
         self.kubernetes_version = kubernetes.__version__
 
-        if not HAS_YAML:
+        if pyyaml_required and not HAS_YAML:
             module.fail_json(msg=missing_required_lib("PyYAML"), exception=YAML_IMP_ERR)
 
     def find_resource(self, kind, api_version, fail=False):
@@ -349,7 +365,7 @@ class K8sAnsibleMixin(object):
     def fail(self, msg=None):
         self.fail_json(msg=msg)
 
-    def _wait_for(self, resource, name, namespace, predicate, sleep, timeout, state):
+    def _wait_for(self, resource, name, namespace, predicate, sleep, timeout, state, label_selectors):
         start = datetime.now()
 
         def _wait_for_elapsed():
@@ -358,7 +374,10 @@ class K8sAnsibleMixin(object):
         response = None
         while _wait_for_elapsed() < timeout:
             try:
-                response = resource.get(name=name, namespace=namespace)
+                params = dict(name=name, namespace=namespace)
+                if label_selectors:
+                    params['label_selector'] = ','.join(label_selectors)
+                response = resource.get(**params)
                 if predicate(response):
                     if response:
                         return True, response.to_dict(), _wait_for_elapsed()
@@ -371,7 +390,7 @@ class K8sAnsibleMixin(object):
             response = response.to_dict()
         return False, response, _wait_for_elapsed()
 
-    def wait(self, resource, definition, sleep, timeout, state='present', condition=None):
+    def wait(self, resource, definition, sleep, timeout, state='present', condition=None, label_selectors=None):
 
         def _deployment_ready(deployment):
             # FIXME: frustratingly bool(deployment.status) is True even if status is empty
@@ -388,7 +407,7 @@ class K8sAnsibleMixin(object):
 
         def _pod_ready(pod):
             return (pod.status and pod.status.containerStatuses is not None
-                    and all([container.ready for container in pod.status.containerStatuses]))
+                    and all(container.ready for container in pod.status.containerStatuses))
 
         def _daemonset_ready(daemonset):
             return (daemonset.status and daemonset.status.desiredNumberScheduled is not None
@@ -397,6 +416,14 @@ class K8sAnsibleMixin(object):
                     and daemonset.status.observedGeneration == daemonset.metadata.generation
                     and not daemonset.status.unavailableReplicas)
 
+        def _statefulset_ready(statefulset):
+            return (statefulset.status and statefulset.spec.updateStrategy.type == "RollingUpdate"
+                    and statefulset.status.observedGeneration == (statefulset.metadata.generation or 0)
+                    and statefulset.status.updateRevision == statefulset.status.currentRevision
+                    and statefulset.status.updatedReplicas == statefulset.spec.replicas
+                    and statefulset.status.readyReplicas == statefulset.spec.replicas
+                    and statefulset.status.replicas == statefulset.spec.replicas)
+
         def _custom_condition(resource):
             if not resource.status or not resource.status.conditions:
                 return False
@@ -420,21 +447,22 @@ class K8sAnsibleMixin(object):
             return False
 
         def _resource_absent(resource):
-            return not resource
+            return not resource or (resource.kind.endswith('List') and resource.items == [])
 
         waiter = dict(
+            StatefulSet=_statefulset_ready,
             Deployment=_deployment_ready,
             DaemonSet=_daemonset_ready,
             Pod=_pod_ready
         )
         kind = definition['kind']
-        if state == 'present' and not condition:
-            predicate = waiter.get(kind, lambda x: x)
-        elif state == 'present' and condition:
-            predicate = _custom_condition
+        if state == 'present':
+            predicate = waiter.get(kind, lambda x: x) if not condition else _custom_condition
         else:
             predicate = _resource_absent
-        return self._wait_for(resource, definition['metadata']['name'], definition['metadata'].get('namespace'), predicate, sleep, timeout, state)
+        name = definition['metadata']['name']
+        namespace = definition['metadata'].get('namespace')
+        return self._wait_for(resource, name, namespace, predicate, sleep, timeout, state, label_selectors)
 
     def set_resource_definitions(self, module):
         resource_definition = module.params.get('resource_definition')
@@ -575,6 +603,7 @@ class K8sAnsibleMixin(object):
         wait_timeout = self.params.get('wait_timeout')
         wait_condition = None
         continue_on_error = self.params.get('continue_on_error')
+        label_selectors = self.params.get('label_selectors')
         if self.params.get('wait_condition') and self.params['wait_condition'].get('type'):
             wait_condition = self.params['wait_condition']
 
@@ -591,6 +620,8 @@ class K8sAnsibleMixin(object):
             params = dict(name=name)
             if namespace:
                 params['namespace'] = namespace
+            if label_selectors:
+                params['label_selector'] = ','.join(label_selectors)
             existing = resource.get(**params)
         except (NotFoundError, MethodNotAllowedError):
             # Remove traceback so that it doesn't show up in later failures
@@ -625,7 +656,13 @@ class K8sAnsibleMixin(object):
 
         if state == 'absent':
             result['method'] = "delete"
-            if not existing:
+
+            def _empty_resource_list():
+                if existing and existing.kind.endswith('List'):
+                    return existing.items == []
+                return False
+
+            if not existing or _empty_resource_list():
                 # The object already does not exist
                 return result
             else:
@@ -651,7 +688,7 @@ class K8sAnsibleMixin(object):
                         else:
                             self.fail_json(msg=build_error_msg(definition['kind'], origin_name, msg), error=exc.status, status=exc.status, reason=exc.reason)
                     if wait:
-                        success, resource, duration = self.wait(resource, definition, wait_sleep, wait_timeout, 'absent')
+                        success, resource, duration = self.wait(resource, definition, wait_sleep, wait_timeout, 'absent', label_selectors=label_selectors)
                         result['duration'] = duration
                         if not success:
                             msg = "Resource deletion timed out"
@@ -663,6 +700,13 @@ class K8sAnsibleMixin(object):
                 return result
 
         else:
+            if label_selectors:
+                filter_selector = LabelSelectorFilter(label_selectors)
+                if not filter_selector.isMatching(definition):
+                    result['changed'] = False
+                    result['msg'] = "resource 'kind={kind},name={name},namespace={namespace}' filtered by label_selectors.".format(
+                                    kind=definition['kind'], name=origin_name, namespace=namespace)
+                    return result
             if apply:
                 if self.check_mode:
                     ignored, patch = apply_object(resource, _encode_stringdata(definition))
@@ -693,7 +737,8 @@ class K8sAnsibleMixin(object):
                     existing = {}
                 match, diffs = self.diff_objects(existing, result['result'])
                 result['changed'] = not match
-                result['diff'] = diffs
+                if self.module._diff:
+                    result['diff'] = diffs
                 result['method'] = 'apply'
                 if not success:
                     msg = "Resource apply timed out"
@@ -785,7 +830,8 @@ class K8sAnsibleMixin(object):
                 match, diffs = self.diff_objects(existing.to_dict(), result['result'])
                 result['changed'] = not match
                 result['method'] = 'replace'
-                result['diff'] = diffs
+                if self.module._diff:
+                    result['diff'] = diffs
                 if not success:
                     msg = "Resource replacement timed out"
                     if continue_on_error:
@@ -819,7 +865,8 @@ class K8sAnsibleMixin(object):
             match, diffs = self.diff_objects(existing.to_dict(), result['result'])
             result['changed'] = not match
             result['method'] = 'patch'
-            result['diff'] = diffs
+            if self.module._diff:
+                result['diff'] = diffs
 
             if not success:
                 msg = "Resource update timed out"

plugins/module_utils/selector.py

@@ -0,0 +1,71 @@
+# Copyright [2021] [Red Hat, Inc.]
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import re
+
+
+class Selector(object):
+
+    equality_based_operators = ('==', '!=', '=')
+
+    def __init__(self, data):
+        self._operator = None
+        self._data = None
+        if not self.parse_set_based_requirement(data):
+            no_whitespace_data = data.replace(" ", "")
+            for op in self.equality_based_operators:
+                idx = no_whitespace_data.find(op)
+                if idx != -1:
+                    self._operator = "in" if op == '==' or op == '=' else "notin"
+                    self._key = no_whitespace_data[0:idx]
+                    self._data = [no_whitespace_data[idx + len(op):]]
+                    break
+
+    def parse_set_based_requirement(self, data):
+        m = re.match(r'( *)([a-z0-9A-Z][a-z0-9A-Z\._-]*[a-z0-9A-Z])( +)(notin|in)( +)\((.*)\)( *)', data)
+        if m:
+            self._set_based_requirement = True
+            self._key = m.group(2)
+            self._operator = m.group(4)
+            self._data = [x.replace(' ', '') for x in m.group(6).split(',') if x != '']
+            return True
+        elif all(x not in data for x in self.equality_based_operators):
+            self._key = data.rstrip(" ").lstrip(" ")
+            if self._key.startswith("!"):
+                self._key = self._key[1:].lstrip(" ")
+                self._operator = "!"
+            return True
+        return False
+
+    def isMatch(self, labels):
+        if self._operator == "in":
+            return self._key in labels and labels.get(self._key) in self._data
+        elif self._operator == "notin":
+            return self._key not in labels or labels.get(self._key) not in self._data
+        else:
+            return self._key not in labels if self._operator == "!" else self._key in labels
+
+
+class LabelSelectorFilter(object):
+
+    def __init__(self, label_selectors):
+        self.selectors = [Selector(data) for data in label_selectors]
+
+    def isMatching(self, definition):
+        if "metadata" not in definition or "labels" not in definition['metadata']:
+            return False
+        labels = definition['metadata']['labels']
+        if not isinstance(labels, dict):
+            return None
+        return all(sel.isMatch(labels) for sel in self.selectors)

plugins/modules/helm.py

@@ -130,6 +130,7 @@ options:
     description:
       - Reuse the given name, only if that name is a deleted release which remains in the history.
       - This is unsafe in production environment.
+      - mutually exclusive with with C(history_max).
     type: bool
     default: False
     version_added: "1.11.0"
@@ -139,6 +140,12 @@ options:
     type: bool
     default: False
     version_added: "1.2.0"
+  history_max:
+    description:
+      - Limit the maximum number of revisions saved per release.
+      - mutually exclusive with with C(replace).
+    type: int
+    version_added: "2.2.0"
 extends_documentation_fragment:
   - kubernetes.core.helm_common_options
 '''
@@ -357,7 +364,7 @@ def fetch_chart_info(module, command, chart_ref):
 
 
 def deploy(command, release_name, release_values, chart_name, wait,
-           wait_timeout, disable_hook, force, values_files, atomic=False,
+           wait_timeout, disable_hook, force, values_files, history_max, atomic=False,
            create_namespace=False, replace=False, skip_crds=False):
     """
     Install/upgrade/rollback release chart
@@ -404,8 +411,10 @@ def deploy(command, release_name, release_values, chart_name, wait,
     if skip_crds:
         deploy_command += " --skip-crds"
 
-    deploy_command += " " + release_name + " " + chart_name
+    if history_max is not None:
+        deploy_command += " --history-max=%s" % str(history_max)
 
+    deploy_command += " " + release_name + " " + chart_name
     return deploy_command
 
 
@@ -532,6 +541,7 @@ def main():
             create_namespace=dict(type='bool', default=False),
             replace=dict(type='bool', default=False),
             skip_crds=dict(type='bool', default=False),
+            history_max=dict(type='int'),
 
             # Generic auth key
             host=dict(type='str', fallback=(env_fallback, ['K8S_AUTH_HOST'])),
@@ -546,6 +556,7 @@ def main():
         mutually_exclusive=[
             ("context", "ca_cert"),
             ("kubeconfig", "ca_cert"),
+            ("replace", "history_max"),
         ],
         supports_check_mode=True,
     )
@@ -575,6 +586,7 @@ def main():
     create_namespace = module.params.get('create_namespace')
     replace = module.params.get('replace')
     skip_crds = module.params.get('skip_crds')
+    history_max = module.params.get('history_max')
 
     if bin_path is not None:
         helm_cmd_common = bin_path
@@ -610,7 +622,7 @@ def main():
             helm_cmd = deploy(helm_cmd, release_name, release_values, chart_ref, wait, wait_timeout,
                               disable_hook, False, values_files=values_files, atomic=atomic,
                               create_namespace=create_namespace, replace=replace,
-                              skip_crds=skip_crds)
+                              skip_crds=skip_crds, history_max=history_max)
             changed = True
 
         else:
@@ -627,7 +639,7 @@ def main():
                 helm_cmd = deploy(helm_cmd, release_name, release_values, chart_ref, wait, wait_timeout,
                                   disable_hook, force, values_files=values_files, atomic=atomic,
                                   create_namespace=create_namespace, replace=replace,
-                                  skip_crds=skip_crds)
+                                  skip_crds=skip_crds, history_max=history_max)
                 changed = True
 
     if module.check_mode:

plugins/modules/k8s.py

@@ -108,6 +108,7 @@ options:
     description:
     - Provide a valid YAML template definition file for an object when creating or updating.
     - Value can be provided as string or dictionary.
+    - The parameter accepts multiple template files. Added in version 2.0.0.
     - Mutually exclusive with C(src) and C(resource_definition).
     - Template files needs to be present on the Ansible Controller's file system.
     - Additional parameters can be specified using dictionary.
@@ -135,6 +136,12 @@ options:
     type: bool
     default: False
     version_added: 2.0.0
+  label_selectors:
+    description:
+    - Selector (label query) to filter on.
+    type: list
+    elements: str
+    version_added: 2.2.0
 
 requirements:
   - "python >= 3.6"
@@ -208,6 +215,15 @@ EXAMPLES = r'''
       variable_start_string: '[['
       variable_end_string: ']]'
 
+- name: Read multiple definition template file from the Ansible controller file system
+  kubernetes.core.k8s:
+    state: present
+    template:
+      - path: '/testing/deployment_one.j2'
+      - path: '/testing/deployment_two.j2'
+        variable_start_string: '[['
+        variable_end_string: ']]'
+
 - name: fail on validation errors
   kubernetes.core.k8s:
     state: present
@@ -335,6 +351,7 @@ def argspec():
     argument_spec['continue_on_error'] = dict(type='bool', default=False)
     argument_spec['state'] = dict(default='present', choices=['present', 'absent', 'patched'])
     argument_spec['force'] = dict(type='bool', default=False)
+    argument_spec['label_selectors'] = dict(type='list', elements='str')
 
     return argument_spec
 

plugins/modules/k8s_cp.py

@@ -0,0 +1,493 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2021, Aubin Bikouo <@abikouo>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+DOCUMENTATION = r'''
+
+module: k8s_cp
+
+short_description: Copy files and directories to and from pod.
+
+version_added: "2.2.0"
+
+author:
+    - Aubin Bikouo (@abikouo)
+
+description:
+  - Use the Kubernetes Python client to copy files and directories to and from containers inside a pod.
+
+extends_documentation_fragment:
+  - kubernetes.core.k8s_auth_options
+
+requirements:
+  - "python >= 3.6"
+  - "kubernetes >= 12.0.0"
+
+options:
+  namespace:
+    description:
+    - The pod namespace name.
+    type: str
+    required: yes
+  pod:
+    description:
+    - The pod name.
+    type: str
+    required: yes
+  container:
+    description:
+    - The name of the container in the pod to copy files/directories from/to.
+    - Defaults to the only container if there is only one container in the pod.
+    type: str
+  remote_path:
+    description:
+    - Path of the file or directory to copy.
+    type: path
+    required: yes
+  local_path:
+    description:
+    - Path of the local file or directory.
+    - Required when I(state) is set to C(from_pod).
+    - Mutually exclusive with I(content).
+    type: path
+  content:
+    description:
+    - When used instead of I(local_path), sets the contents of a local file directly to the specified value.
+    - Works only when I(remote_path) is a file. Creates the file if it does not exist.
+    - For advanced formatting or if the content contains a variable, use the M(ansible.builtin.template) module.
+    - Mutually exclusive with I(local_path).
+    type: str
+  state:
+    description:
+    - When set to C(to_pod), the local I(local_path) file or directory will be copied to I(remote_path) into the pod.
+    - When set to C(from_pod), the remote file or directory I(remote_path) from pod will be copied locally to I(local_path).
+    type: str
+    default: to_pod
+    choices: [ to_pod, from_pod ]
+  no_preserve:
+    description:
+    - The copied file/directory's ownership and permissions will not be preserved in the container.
+    - This option is ignored when I(content) is set or when I(state) is set to C(from_pod).
+    type: bool
+    default: False
+
+notes:
+    - the tar binary is required on the container when copying from local filesystem to pod.
+'''
+
+EXAMPLES = r'''
+# kubectl cp /tmp/foo some-namespace/some-pod:/tmp/bar
+- name: Copy /tmp/foo local file to /tmp/bar in a remote pod
+  kubernetes.core.k8s_cp:
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/bar
+    local_path: /tmp/foo
+
+# kubectl cp /tmp/foo_dir some-namespace/some-pod:/tmp/bar_dir
+- name: Copy /tmp/foo_dir local directory to /tmp/bar_dir in a remote pod
+  kubernetes.core.k8s_cp:
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/bar_dir
+    local_path: /tmp/foo_dir
+
+# kubectl cp /tmp/foo some-namespace/some-pod:/tmp/bar -c some-container
+- name: Copy /tmp/foo local file to /tmp/bar in a remote pod in a specific container
+  kubernetes.core.k8s_cp:
+    namespace: some-namespace
+    pod: some-pod
+    container: some-container
+    remote_path: /tmp/bar
+    local_path: /tmp/foo
+    no_preserve: True
+    state: to_pod
+
+# kubectl cp some-namespace/some-pod:/tmp/foo /tmp/bar
+- name: Copy /tmp/foo from a remote pod to /tmp/bar locally
+  kubernetes.core.k8s_cp:
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/foo
+    local_path: /tmp/bar
+    state: from_pod
+
+# copy content into a file in the remote pod
+- name: Copy /tmp/foo from a remote pod to /tmp/bar locally
+  kubernetes.core.k8s_cp:
+    state: to_pod
+    namespace: some-namespace
+    pod: some-pod
+    remote_path: /tmp/foo.txt
+    content: "This content will be copied into remote file"
+'''
+
+
+RETURN = r'''
+result:
+  description:
+  - message describing the copy operation successfully done.
+  returned: success
+  type: str
+'''
+
+import copy
+import os
+from tempfile import TemporaryFile, NamedTemporaryFile
+from select import select
+from abc import ABCMeta, abstractmethod
+import tarfile
+
+# from ansible_collections.kubernetes.core.plugins.module_utils.ansiblemodule import AnsibleModule
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
+from ansible_collections.kubernetes.core.plugins.module_utils.common import K8sAnsibleMixin, get_api_client
+from ansible_collections.kubernetes.core.plugins.module_utils.args_common import AUTH_ARG_SPEC
+
+try:
+    from kubernetes.client.api import core_v1_api
+    from kubernetes.stream import stream
+    from kubernetes.stream.ws_client import STDOUT_CHANNEL, STDERR_CHANNEL, ERROR_CHANNEL, ABNF
+except ImportError:
+    pass
+
+try:
+    import yaml
+except ImportError:
+    # ImportError are managed by the common module already.
+    pass
+
+
+class K8SCopy(metaclass=ABCMeta):
+
+    def __init__(self, module, client):
+        self.client = client
+        self.module = module
+        self.api_instance = core_v1_api.CoreV1Api(client.client)
+
+        self.local_path = module.params.get('local_path')
+        self.name = module.params.get('pod')
+        self.namespace = module.params.get('namespace')
+        self.remote_path = module.params.get('remote_path')
+        self.content = module.params.get('content')
+
+        self.no_preserve = module.params.get('no_preserve')
+        self.container_arg = {}
+        if module.params.get('container'):
+            self.container_arg['container'] = module.params.get('container')
+
+    @abstractmethod
+    def run(self):
+        pass
+
+
+class K8SCopyFromPod(K8SCopy):
+    """
+    Copy files/directory from Pod into local filesystem
+    """
+    def __init__(self, module, client):
+        super(K8SCopyFromPod, self).__init__(module, client)
+        self.is_remote_path_dir = None
+        self.files_to_copy = list()
+
+    def list_remote_files(self):
+        """
+        This method will check if the remote path is a dir or file
+        if it is a directory the file list will be updated accordingly
+        """
+        try:
+            find_cmd = ['find', self.remote_path, '-type', 'f', '-name', '*']
+            response = stream(self.api_instance.connect_get_namespaced_pod_exec,
+                              self.name,
+                              self.namespace,
+                              command=find_cmd,
+                              stdout=True, stderr=True,
+                              stdin=False, tty=False,
+                              _preload_content=False, **self.container_arg)
+        except Exception as e:
+            self.module.fail_json(msg="Failed to execute on pod {0}/{1} due to : {2}".format(self.namespace, self.name, to_native(e)))
+        stderr = []
+        while response.is_open():
+            response.update(timeout=1)
+            if response.peek_stdout():
+                self.files_to_copy.extend(response.read_stdout().rstrip('\n').split('\n'))
+            if response.peek_stderr():
+                err = response.read_stderr()
+                if "No such file or directory" in err:
+                    self.module.fail_json(msg="{0} does not exist in remote pod filesystem".format(self.remote_path))
+                stderr.append(err)
+        error = response.read_channel(ERROR_CHANNEL)
+        response.close()
+        error = yaml.safe_load(error)
+        if error['status'] != 'Success':
+            self.module.fail_json(msg="Failed to execute on Pod due to: {0}".format(error))
+
+    def read(self):
+        self.stdout = None
+        self.stderr = None
+
+        if self.response.is_open():
+            if not self.response.sock.connected:
+                self.response._connected = False
+            else:
+                ret, out, err = select((self.response.sock.sock, ), (), (), 0)
+                if ret:
+                    code, frame = self.response.sock.recv_data_frame(True)
+                    if code == ABNF.OPCODE_CLOSE:
+                        self.response._connected = False
+                    elif code in (ABNF.OPCODE_BINARY, ABNF.OPCODE_TEXT) and len(frame.data) > 1:
+                        channel = frame.data[0]
+                        content = frame.data[1:]
+                        if content:
+                            if channel == STDOUT_CHANNEL:
+                                self.stdout = content
+                            elif channel == STDERR_CHANNEL:
+                                self.stderr = content.decode("utf-8", "replace")
+
+    def copy(self):
+        is_remote_path_dir = len(self.files_to_copy) > 1 or self.files_to_copy[0] != self.remote_path
+        relpath_start = self.remote_path
+        if is_remote_path_dir and os.path.isdir(self.local_path):
+            relpath_start = os.path.dirname(self.remote_path)
+
+        for remote_file in self.files_to_copy:
+            dest_file = self.local_path
+            if is_remote_path_dir:
+                dest_file = os.path.join(self.local_path, os.path.relpath(remote_file, start=relpath_start))
+                # create directory to copy file in
+                os.makedirs(os.path.dirname(dest_file), exist_ok=True)
+
+            pod_command = ['cat', remote_file]
+            self.response = stream(self.api_instance.connect_get_namespaced_pod_exec,
+                                   self.name,
+                                   self.namespace,
+                                   command=pod_command,
+                                   stderr=True, stdin=True,
+                                   stdout=True, tty=False,
+                                   _preload_content=False, **self.container_arg)
+            errors = []
+            with open(dest_file, 'wb') as fh:
+                while self.response._connected:
+                    self.read()
+                    if self.stdout:
+                        fh.write(self.stdout)
+                    if self.stderr:
+                        errors.append(self.stderr)
+            if errors:
+                self.module.fail_json(msg="Failed to copy file from Pod: {0}".format(''.join(errors)))
+        self.module.exit_json(changed=True, result="{0} successfully copied locally into {1}".format(self.remote_path, self.local_path))
+
+    def run(self):
+        try:
+            self.list_remote_files()
+            if self.files_to_copy == []:
+                self.module.exit_json(changed=False, warning="No file found from directory '{0}' into remote Pod.".format(self.remote_path))
+            self.copy()
+        except Exception as e:
+            self.module.fail_json(msg="Failed to copy file/directory from Pod due to: {0}".format(to_native(e)))
+
+
+class K8SCopyToPod(K8SCopy):
+    """
+    Copy files/directory from local filesystem into remote Pod
+    """
+    def __init__(self, module, client):
+        super(K8SCopyToPod, self).__init__(module, client)
+        self.files_to_copy = list()
+
+    def run_from_pod(self, command):
+        response = stream(self.api_instance.connect_get_namespaced_pod_exec,
+                          self.name,
+                          self.namespace,
+                          command=command,
+                          stderr=True, stdin=False,
+                          stdout=True, tty=False,
+                          _preload_content=False, **self.container_arg)
+        errors = []
+        while response.is_open():
+            response.update(timeout=1)
+            if response.peek_stderr():
+                errors.append(response.read_stderr())
+        response.close()
+        err = response.read_channel(ERROR_CHANNEL)
+        err = yaml.safe_load(err)
+        response.close()
+        if err['status'] != 'Success':
+            self.module.fail_json(msg="Failed to run {0} on Pod.".format(command), errors=errors)
+
+    def is_remote_path_dir(self):
+        pod_command = ['test', '-d', self.remote_path]
+        response = stream(self.api_instance.connect_get_namespaced_pod_exec,
+                          self.name,
+                          self.namespace,
+                          command=pod_command,
+                          stdout=True, stderr=True,
+                          stdin=False, tty=False,
+                          _preload_content=False, **self.container_arg)
+        while response.is_open():
+            response.update(timeout=1)
+        err = response.read_channel(ERROR_CHANNEL)
+        err = yaml.safe_load(err)
+        response.close()
+        if err['status'] == 'Success':
+            return True
+        return False
+
+    def close_temp_file(self):
+        if self.named_temp_file:
+            self.named_temp_file.close()
+
+    def run(self):
+        try:
+            # remove trailing slash from destination path
+            dest_file = self.remote_path.rstrip("/")
+            src_file = self.local_path
+            self.named_temp_file = None
+            if self.content:
+                self.named_temp_file = NamedTemporaryFile(mode="w")
+                self.named_temp_file.write(self.content)
+                self.named_temp_file.flush()
+                src_file = self.named_temp_file.name
+            else:
+                if not os.path.exists(self.local_path):
+                    self.module.fail_json(msg="{0} does not exist in local filesystem".format(self.local_path))
+                if not os.access(self.local_path, os.R_OK):
+                    self.module.fail_json(msg="{0} not readable".format(self.local_path))
+
+            if self.is_remote_path_dir():
+                if self.content:
+                    self.module.fail_json(msg="When content is specified, remote path should not be an existing directory")
+                else:
+                    dest_file = os.path.join(dest_file, os.path.basename(src_file))
+
+            if self.no_preserve:
+                tar_command = ['tar', '--no-same-permissions', '--no-same-owner', '-xmf', '-']
+            else:
+                tar_command = ['tar', '-xmf', '-']
+
+            if dest_file.startswith("/"):
+                tar_command.extend(['-C', '/'])
+
+            response = stream(self.api_instance.connect_get_namespaced_pod_exec,
+                              self.name,
+                              self.namespace,
+                              command=tar_command,
+                              stderr=True, stdin=True,
+                              stdout=True, tty=False,
+                              _preload_content=False, **self.container_arg)
+            with TemporaryFile() as tar_buffer:
+                with tarfile.open(fileobj=tar_buffer, mode='w') as tar:
+                    tar.add(src_file, dest_file)
+                tar_buffer.seek(0)
+                commands = []
+                # push command in chunk mode
+                size = 1024 * 1024
+                while True:
+                    data = tar_buffer.read(size)
+                    if not data:
+                        break
+                    commands.append(data)
+
+                stderr, stdout = [], []
+                while response.is_open():
+                    if response.peek_stdout():
+                        stdout.append(response.read_stdout().rstrip("\n"))
+                    if response.peek_stderr():
+                        stderr.append(response.read_stderr().rstrip("\n"))
+                    if commands:
+                        cmd = commands.pop(0)
+                        response.write_stdin(cmd)
+                    else:
+                        break
+                response.close()
+                if stderr:
+                    self.close_temp_file()
+                    self.module.fail_json(command=tar_command, msg="Failed to copy local file/directory into Pod due to: {0}".format(''.join(stderr)))
+            self.close_temp_file()
+            if self.content:
+                self.module.exit_json(changed=True, result="Content successfully copied into {0} on remote Pod".format(self.remote_path))
+            self.module.exit_json(changed=True, result="{0} successfully copied into remote Pod into {1}".format(self.local_path, self.remote_path))
+
+        except Exception as e:
+            self.module.fail_json(msg="Failed to copy local file/directory into Pod due to: {0}".format(to_native(e)))
+
+
+def check_pod(k8s_ansible_mixin, module):
+    resource = k8s_ansible_mixin.find_resource("Pod", None, True)
+    namespace = module.params.get('namespace')
+    name = module.params.get('pod')
+    container = module.params.get('container')
+
+    def _fail(exc):
+        arg = {}
+        if hasattr(exc, 'body'):
+            msg = "Namespace={0} Kind=Pod Name={1}: Failed requested object: {2}".format(namespace, name, exc.body)
+        else:
+            msg = to_native(exc)
+        for attr in ['status', 'reason']:
+            if hasattr(exc, attr):
+                arg[attr] = getattr(exc, attr)
+        module.fail_json(msg=msg, **arg)
+
+    try:
+        result = resource.get(name=name, namespace=namespace)
+        containers = [c['name'] for c in result.to_dict()['status']['containerStatuses']]
+        if container and container not in containers:
+            module.fail_json(msg="Pod has no container {0}".format(container))
+        return containers
+    except Exception as exc:
+        _fail(exc)
+
+
+def execute_module(module):
+
+    k8s_ansible_mixin = K8sAnsibleMixin(module, pyyaml_required=False)
+    k8s_ansible_mixin.check_library_version()
+
+    k8s_ansible_mixin.module = module
+    k8s_ansible_mixin.argspec = module.argument_spec
+    k8s_ansible_mixin.params = k8s_ansible_mixin.module.params
+    k8s_ansible_mixin.fail_json = k8s_ansible_mixin.module.fail_json
+    k8s_ansible_mixin.fail = k8s_ansible_mixin.module.fail_json
+
+    k8s_ansible_mixin.client = get_api_client(module=module)
+    containers = check_pod(k8s_ansible_mixin, module)
+    if len(containers) > 1 and module.params.get('container') is None:
+        module.fail_json(msg="Pod contains more than 1 container, option 'container' should be set")
+
+    try:
+        load_class = {'to_pod': K8SCopyToPod, 'from_pod': K8SCopyFromPod}
+        state = module.params.get('state')
+        k8s_copy = load_class.get(state)(module, k8s_ansible_mixin.client)
+        k8s_copy.run()
+    except Exception as e:
+        module.fail_json("Failed to copy object due to: {0}".format(to_native(e)))
+
+
+def main():
+    argument_spec = copy.deepcopy(AUTH_ARG_SPEC)
+    argument_spec['namespace'] = {'type': 'str', 'required': True}
+    argument_spec['pod'] = {'type': 'str', 'required': True}
+    argument_spec['container'] = {}
+    argument_spec['remote_path'] = {'type': 'path', 'required': True}
+    argument_spec['local_path'] = {'type': 'path'}
+    argument_spec['content'] = {'type': 'str'}
+    argument_spec['state'] = {'type': 'str', 'default': 'to_pod', 'choices': ['to_pod', 'from_pod']}
+    argument_spec['no_preserve'] = {'type': 'bool', 'default': False}
+
+    module = AnsibleModule(argument_spec=argument_spec,
+                           mutually_exclusive=[('local_path', 'content')],
+                           required_if=[('state', 'from_pod', ['local_path'])],
+                           required_one_of=[['local_path', 'content']],
+                           supports_check_mode=True)
+
+    execute_module(module)
+
+
+if __name__ == '__main__':
+    main()

plugins/modules/k8s_drain.py

@@ -0,0 +1,411 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2021, Aubin Bikouo <@abikouo>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+
+DOCUMENTATION = r'''
+
+module: k8s_drain
+
+short_description: Drain, Cordon, or Uncordon node in k8s cluster
+
+version_added: "2.2.0"
+
+author: Aubin Bikouo (@abikouo)
+
+description:
+  - Drain node in preparation for maintenance same as kubectl drain.
+  - Cordon will mark the node as unschedulable.
+  - Uncordon will mark the node as schedulable.
+  - The given node will be marked unschedulable to prevent new pods from arriving.
+  - Then drain deletes all pods except mirror pods (which cannot be deleted through the API server).
+
+extends_documentation_fragment:
+  - kubernetes.core.k8s_auth_options
+
+options:
+  state:
+    description:
+    - Determines whether to drain, cordon, or uncordon node.
+    type: str
+    default: drain
+    choices: [ cordon, drain, uncordon ]
+  name:
+    description:
+      - The name of the node.
+    required: true
+    type: str
+  delete_options:
+    type: dict
+    description:
+      - Specify options to delete pods.
+      - This option has effect only when C(state) is set to I(drain).
+    suboptions:
+        terminate_grace_period:
+            description:
+            - Specify how many seconds to wait before forcefully terminating.
+            - If not specified, the default grace period for the object type will be used.
+            - The value zero indicates delete immediately.
+            required: false
+            type: int
+        force:
+            description:
+            - Continue even if there are pods not managed by a ReplicationController, Job, or DaemonSet.
+            type: bool
+            default: False
+        ignore_daemonsets:
+            description:
+            - Ignore DaemonSet-managed pods.
+            type: bool
+            default: False
+        disable_eviction:
+            description:
+            - Forces drain to use delete rather than evict.
+            type: bool
+            default: False
+        wait_timeout:
+            description:
+            - The length of time to wait in seconds for pod to be deleted before giving up, zero means infinite.
+            type: int
+        wait_sleep:
+            description:
+            - Number of seconds to sleep between checks.
+            - Ignored if C(wait_timeout) is not set.
+            default: 5
+            type: int
+
+requirements:
+  - python >= 3.6
+  - kubernetes >= 12.0.0
+'''
+
+EXAMPLES = r'''
+- name: Drain node "foo", even if there are pods not managed by a ReplicationController, Job, or DaemonSet on it.
+  kubernetes.core.k8s_drain:
+    state: drain
+    name: foo
+    force: yes
+
+- name: Drain node "foo", but abort if there are pods not managed by a ReplicationController, Job, or DaemonSet, and use a grace period of 15 minutes.
+  kubernetes.core.k8s_drain:
+    state: drain
+    name: foo
+    delete_options:
+        terminate_grace_period: 900
+
+- name: Mark node "foo" as schedulable.
+  kubernetes.core.k8s_drain:
+    state: uncordon
+    name: foo
+
+- name: Mark node "foo" as unschedulable.
+  kubernetes.core.k8s_drain:
+    state: cordon
+    name: foo
+
+'''
+
+RETURN = r'''
+result:
+  description:
+  - The node status and the number of pods deleted.
+  returned: success
+  type: str
+'''
+import copy
+from datetime import datetime
+import time
+from ansible_collections.kubernetes.core.plugins.module_utils.ansiblemodule import AnsibleModule
+from ansible_collections.kubernetes.core.plugins.module_utils.args_common import AUTH_ARG_SPEC
+from ansible.module_utils._text import to_native
+
+try:
+    from kubernetes.client.api import core_v1_api
+    from kubernetes.client.models import V1beta1Eviction, V1DeleteOptions
+    from kubernetes.client.exceptions import ApiException
+except ImportError:
+    # ImportError are managed by the common module already.
+    pass
+
+
+def filter_pods(pods, force, ignore_daemonset):
+    k8s_kind_mirror = "kubernetes.io/config.mirror"
+    daemonSet, unmanaged, mirror, localStorage, to_delete = [], [], [], [], []
+    for pod in pods:
+        # check mirror pod: cannot be delete using API Server
+        if pod.metadata.annotations and k8s_kind_mirror in pod.metadata.annotations:
+            mirror.append((pod.metadata.namespace, pod.metadata.name))
+            continue
+
+        # Any finished pod can be deleted
+        if pod.status.phase in ('Succeeded', 'Failed'):
+            to_delete.append((pod.metadata.namespace, pod.metadata.name))
+            continue
+
+        # Pod with local storage cannot be deleted
+        # TODO: support new option delete-emptydatadir in order to allow deletion of such pod
+        if pod.spec.volumes and any(vol.empty_dir for vol in pod.spec.volumes):
+            localStorage.append((pod.metadata.namespace, pod.metadata.name))
+            continue
+
+        # Check replicated Pod
+        owner_ref = pod.metadata.owner_references
+        if not owner_ref:
+            unmanaged.append((pod.metadata.namespace, pod.metadata.name))
+        else:
+            for owner in owner_ref:
+                if owner.kind == "DaemonSet":
+                    daemonSet.append((pod.metadata.namespace, pod.metadata.name))
+                else:
+                    to_delete.append((pod.metadata.namespace, pod.metadata.name))
+
+    warnings, errors = [], []
+    if unmanaged:
+        pod_names = ','.join([pod[0] + "/" + pod[1] for pod in unmanaged])
+        if not force:
+            errors.append("cannot delete Pods not managed by ReplicationController, ReplicaSet, Job,"
+                          " DaemonSet or StatefulSet (use option force set to yes): {0}.".format(pod_names))
+        else:
+            # Pod not managed will be deleted as 'force' is true
+            warnings.append("Deleting Pods not managed by ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet: {0}.".format(pod_names))
+            to_delete += unmanaged
+
+    # mirror pods warning
+    if mirror:
+        pod_names = ','.join([pod[0] + "/" + pod[1] for pod in mirror])
+        warnings.append("cannot delete mirror Pods using API server: {0}.".format(pod_names))
+
+    # local storage
+    if localStorage:
+        errors.append("cannot delete Pods with local storage: {0}.".format(pod_names))
+
+    # DaemonSet managed Pods
+    if daemonSet:
+        pod_names = ','.join([pod[0] + "/" + pod[1] for pod in daemonSet])
+        if not ignore_daemonset:
+            errors.append("cannot delete DaemonSet-managed Pods (use option ignore_daemonset set to yes): {0}.".format(pod_names))
+        else:
+            warnings.append("Ignoring DaemonSet-managed Pods: {0}.".format(pod_names))
+    return to_delete, warnings, errors
+
+
+class K8sDrainAnsible(object):
+
+    def __init__(self, module):
+        from ansible_collections.kubernetes.core.plugins.module_utils.common import (
+            K8sAnsibleMixin, get_api_client)
+
+        self._module = module
+        self._k8s_ansible_mixin = K8sAnsibleMixin(module)
+        self._k8s_ansible_mixin.client = get_api_client(module=self._module)
+
+        self._k8s_ansible_mixin.module = self._module
+        self._k8s_ansible_mixin.argspec = self._module.argument_spec
+        self._k8s_ansible_mixin.check_mode = self._module.check_mode
+        self._k8s_ansible_mixin.params = self._module.params
+        self._k8s_ansible_mixin.fail_json = self._module.fail_json
+        self._k8s_ansible_mixin.fail = self._module.fail_json
+        self._k8s_ansible_mixin.exit_json = self._module.exit_json
+        self._k8s_ansible_mixin.warn = self._module.warn
+        self._k8s_ansible_mixin.warnings = []
+
+        self._api_instance = core_v1_api.CoreV1Api(self._k8s_ansible_mixin.client.client)
+        self._k8s_ansible_mixin.check_library_version()
+
+        # delete options
+        self._drain_options = module.params.get('delete_options', {})
+        self._delete_options = None
+        if self._drain_options.get('terminate_grace_period'):
+            self._delete_options = {}
+            self._delete_options.update({'apiVersion': 'v1'})
+            self._delete_options.update({'kind': 'DeleteOptions'})
+            self._delete_options.update({'gracePeriodSeconds': self._drain_options.get('terminate_grace_period')})
+
+        self._changed = False
+
+    def wait_for_pod_deletion(self, pods, wait_timeout, wait_sleep):
+        start = datetime.now()
+
+        def _elapsed_time():
+            return (datetime.now() - start).seconds
+
+        response = None
+        pod = pods.pop()
+        while (_elapsed_time() < wait_timeout or wait_timeout == 0) and pods:
+            if not pod:
+                pod = pods.pop()
+            try:
+                response = self._api_instance.read_namespaced_pod(namespace=pod[0], name=pod[1])
+                if not response:
+                    pod = None
+                time.sleep(wait_sleep)
+            except ApiException as exc:
+                if exc.reason != "Not Found":
+                    self._module.fail_json(msg="Exception raised: {0}".format(exc.reason))
+                pod = None
+            except Exception as e:
+                self._module.fail_json(msg="Exception raised: {0}".format(to_native(e)))
+        if not pods:
+            return None
+        return "timeout reached while pods were still running."
+
+    def evict_pods(self, pods):
+        for namespace, name in pods:
+            definition = {
+                'metadata': {
+                    'name': name,
+                    'namespace': namespace
+                }
+            }
+            if self._delete_options:
+                definition.update({'delete_options': self._delete_options})
+            try:
+                if self._drain_options.get('disable_eviction'):
+                    body = V1DeleteOptions(**definition)
+                    self._api_instance.delete_namespaced_pod(name=name, namespace=namespace, body=body)
+                else:
+                    body = V1beta1Eviction(**definition)
+                    self._api_instance.create_namespaced_pod_eviction(name=name, namespace=namespace, body=body)
+                self._changed = True
+            except ApiException as exc:
+                if exc.reason != "Not Found":
+                    self._module.fail_json(msg="Failed to delete pod {0}/{1} due to: {2}".format(namespace, name, exc.reason))
+            except Exception as exc:
+                self._module.fail_json(msg="Failed to delete pod {0}/{1} due to: {2}".format(namespace, name, to_native(exc)))
+
+    def delete_or_evict_pods(self, node_unschedulable):
+        # Mark node as unschedulable
+        result = []
+        if not node_unschedulable:
+            self.patch_node(unschedulable=True)
+            result.append("node {0} marked unschedulable.".format(self._module.params.get('name')))
+            self._changed = True
+        else:
+            result.append("node {0} already marked unschedulable.".format(self._module.params.get('name')))
+
+        def _revert_node_patch():
+            if self._changed:
+                self._changed = False
+                self.patch_node(unschedulable=False)
+
+        try:
+            field_selector = "spec.nodeName={name}".format(name=self._module.params.get('name'))
+            pod_list = self._api_instance.list_pod_for_all_namespaces(field_selector=field_selector)
+            # Filter pods
+            force = self._drain_options.get('force', False)
+            ignore_daemonset = self._drain_options.get('ignore_daemonsets', False)
+            pods, warnings, errors = filter_pods(pod_list.items, force, ignore_daemonset)
+            if errors:
+                _revert_node_patch()
+                self._module.fail_json(msg="Pod deletion errors: {0}".format(" ".join(errors)))
+        except ApiException as exc:
+            if exc.reason != "Not Found":
+                _revert_node_patch()
+                self._module.fail_json(msg="Failed to list pod from node {name} due to: {reason}".format(
+                                       name=self._module.params.get('name'), reason=exc.reason), status=exc.status)
+            pods = []
+        except Exception as exc:
+            _revert_node_patch()
+            self._module.fail_json(msg="Failed to list pod from node {name} due to: {error}".format(
+                                   name=self._module.params.get('name'), error=to_native(exc)))
+
+        # Delete Pods
+        if pods:
+            self.evict_pods(pods)
+            number_pod = len(pods)
+            if self._drain_options.get('wait_timeout') is not None:
+                warn = self.wait_for_pod_deletion(pods,
+                                                  self._drain_options.get('wait_timeout'),
+                                                  self._drain_options.get('wait_sleep'))
+                if warn:
+                    warnings.append(warn)
+            result.append("{0} Pod(s) deleted from node.".format(number_pod))
+        if warnings:
+            return dict(result=' '.join(result), warnings=warnings)
+        return dict(result=' '.join(result))
+
+    def patch_node(self, unschedulable):
+
+        body = {
+            'spec': {'unschedulable': unschedulable}
+        }
+        try:
+            self._api_instance.patch_node(name=self._module.params.get('name'), body=body)
+        except Exception as exc:
+            self._module.fail_json(msg="Failed to patch node due to: {0}".format(to_native(exc)))
+
+    def execute_module(self):
+
+        state = self._module.params.get('state')
+        name = self._module.params.get('name')
+        try:
+            node = self._api_instance.read_node(name=name)
+        except ApiException as exc:
+            if exc.reason == "Not Found":
+                self._module.fail_json(msg="Node {0} not found.".format(name))
+            self._module.fail_json(msg="Failed to retrieve node '{0}' due to: {1}".format(name, exc.reason), status=exc.status)
+        except Exception as exc:
+            self._module.fail_json(msg="Failed to retrieve node '{0}' due to: {1}".format(name, to_native(exc)))
+
+        result = {}
+        if state == "cordon":
+            if node.spec.unschedulable:
+                self._module.exit_json(result="node {0} already marked unschedulable.".format(name))
+            self.patch_node(unschedulable=True)
+            result['result'] = "node {0} marked unschedulable.".format(name)
+            self._changed = True
+
+        elif state == "uncordon":
+            if not node.spec.unschedulable:
+                self._module.exit_json(result="node {0} already marked schedulable.".format(name))
+            self.patch_node(unschedulable=False)
+            result['result'] = "node {0} marked schedulable.".format(name)
+            self._changed = True
+
+        else:
+            # drain node
+            # Delete or Evict Pods
+            ret = self.delete_or_evict_pods(node_unschedulable=node.spec.unschedulable)
+            result.update(ret)
+
+        self._module.exit_json(changed=self._changed, **result)
+
+
+def argspec():
+    argument_spec = copy.deepcopy(AUTH_ARG_SPEC)
+    argument_spec.update(
+        dict(
+            state=dict(default="drain", choices=["cordon", "drain", "uncordon"]),
+            name=dict(required=True),
+            delete_options=dict(
+                type='dict',
+                default={},
+                options=dict(
+                    terminate_grace_period=dict(type='int'),
+                    force=dict(type='bool', default=False),
+                    ignore_daemonsets=dict(type='bool', default=False),
+                    disable_eviction=dict(type='bool', default=False),
+                    wait_timeout=dict(type='int'),
+                    wait_sleep=dict(type='int', default=5),
+                )
+            ),
+        )
+    )
+    return argument_spec
+
+
+def main():
+    module = AnsibleModule(argument_spec=argspec())
+
+    k8s_drain = K8sDrainAnsible(module)
+    k8s_drain.execute_module()
+
+
+if __name__ == '__main__':
+    main()

plugins/modules/k8s_exec.py

@@ -31,6 +31,7 @@ requirements:
   - "PyYAML >= 3.11"
 
 notes:
+  - Return code C(rc) for the command executed is added in output in version 2.2.0, and deprecates return code C(return_code).
   - Return code C(return_code) for the command executed is added in output in version 1.0.0.
   - The authenticated user must have at least read access to the pods resource and write access to the pods/exec resource.
 
@@ -82,7 +83,7 @@ EXAMPLES = r'''
 - name: Check last command status
   debug:
     msg: "cmd failed"
-  when: command_status.return_code != 0
+  when: command_status.rc != 0
 '''
 
 RETURN = r'''
@@ -104,9 +105,13 @@ result:
      stderr_lines:
        description: The command stderr
        type: str
-     return_code:
+     rc:
        description: The command status code
        type: int
+       version_added: 2.2.0
+     return_code:
+       description: The command status code. This attribute is deprecated and will be removed in a future release. Please use rc instead.
+       type: int
 '''
 
 import copy
@@ -178,11 +183,13 @@ def execute_module(module, k8s_ansible_mixin):
     else:
         rc = int(err['details']['causes'][0]['message'])
 
+    module.deprecate("The 'return_code' return key is deprecated. Please use 'rc' instead.", version="4.0.0", collection_name="kubernetes.core")
     module.exit_json(
         # Some command might change environment, but ultimately failing at end
         changed=True,
         stdout="".join(stdout),
         stderr="".join(stderr),
+        rc=rc,
         return_code=rc
     )
 

plugins/modules/k8s_json_patch.py

@@ -15,7 +15,7 @@ short_description: Apply JSON patch operations to existing objects
 
 description:
   - This module is used to apply RFC 6902 JSON patch operations only.
-  - Use the M(k8s) module for strategic merge or JSON merge operations.
+  - Use the M(kubernetes.core.k8s) module for strategic merge or JSON merge operations.
   - The jsonpatch library is required for check mode.
 
 version_added: 2.0.0
@@ -254,7 +254,8 @@ def execute_module(k8s_module, module):
         success, result['result'], result['duration'] = k8s_module.wait(resource, definition, wait_sleep, wait_timeout, condition=wait_condition)
     match, diffs = k8s_module.diff_objects(existing.to_dict(), obj)
     result["changed"] = not match
-    result["diff"] = diffs
+    if module._diff:
+        result["diff"] = diffs
 
     if not success:
         msg = "Resource update timed out"

plugins/modules/k8s_log.py

@@ -54,6 +54,12 @@ options:
     - If there is more than one container, this option is required.
     required: no
     type: str
+  since_seconds:
+    description:
+    - A relative time in seconds before the current time from which to show logs.
+    required: no
+    type: str
+    version_added: '2.2.0'
 
 requirements:
   - "python >= 3.6"
@@ -83,6 +89,7 @@ EXAMPLES = r'''
     kind: Deployment
     namespace: testing
     name: example
+    since_seconds: "4000"
   register: log
 
 # This will get the log from a single Pod managed by this DeploymentConfig
@@ -124,6 +131,7 @@ def argspec():
         dict(
             kind=dict(type='str', default='Pod'),
             container=dict(),
+            since_seconds=dict(),
             label_selectors=dict(type='list', elements='str', default=[]),
         )
     )
@@ -159,6 +167,9 @@ def execute_module(module, k8s_ansible_mixin):
     if module.params.get('container'):
         kwargs['query_params'] = dict(container=module.params['container'])
 
+    if module.params.get('since_seconds'):
+        kwargs.setdefault('query_params', {}).update({'sinceSeconds': module.params['since_seconds']})
+
     log = serialize_log(resource.log.get(
         name=name,
         namespace=namespace,

plugins/modules/k8s_scale.py

@@ -181,7 +181,9 @@ def execute_module(module, k8s_ansible_mixin,):
     wait_sleep = module.params.get('wait_sleep')
     existing = None
     existing_count = None
-    return_attributes = dict(result=dict(), diff=dict())
+    return_attributes = dict(result=dict())
+    if module._diff:
+        return_attributes['diff'] = dict()
     if wait:
         return_attributes['duration'] = 0
 
@@ -256,7 +258,9 @@ def execute_module(module, k8s_ansible_mixin,):
             name = existing.metadata.name
             namespace = existing.metadata.namespace
             existing = resource.get(name=name, namespace=namespace)
-            result = {'changed': False, 'result': existing.to_dict(), 'diff': {}}
+            result = {'changed': False, 'result': existing.to_dict()}
+            if module._diff:
+                result['diff'] = {}
             if wait:
                 result['duration'] = 0
         # append result to the return attribute
@@ -302,7 +306,8 @@ def scale(module, k8s_ansible_mixin, resource, existing_object, replicas, wait,
     result = dict()
     result['result'] = k8s_obj
     result['changed'] = not match
-    result['diff'] = diffs
+    if module._diff:
+        result['diff'] = diffs
 
     if wait:
         success, result['result'], result['duration'] = k8s_ansible_mixin.wait(resource, scale_obj, wait_sleep, wait_time)

requirements.yml

@@ -1,2 +1,3 @@
 collections:
-  - cloud.common
+  - name: cloud.common
+    version: ">=2.0.4"

test-requirements.txt

@@ -1 +1,4 @@
 kubernetes-validate
+coverage==4.5.4
+pytest
+pytest-xdist

tests/sanity/ignore-2.10.txt

@@ -1,18 +1,249 @@
-plugins/modules/k8s.py validate-modules:parameter-type-not-in-doc
-plugins/modules/k8s.py validate-modules:return-syntax-error
-plugins/modules/k8s_scale.py validate-modules:parameter-type-not-in-doc
-plugins/modules/k8s_scale.py validate-modules:return-syntax-error
-plugins/modules/k8s_service.py validate-modules:return-syntax-error
-plugins/modules/k8s_service.py validate-modules:parameter-type-not-in-doc
+molecule/default/files/deployment.yaml yamllint!skip
 molecule/default/roles/helm/files/appversionless-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/appversionless-chart/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart/templates/configmap.yaml yamllint!skip
-plugins/module_utils/k8sdynamicclient.py import-3.7!skip
-plugins/module_utils/client/discovery.py import-3.7!skip
-plugins/module_utils/client/resource.py import-3.7!skip
+plugins/module_utils/__init__.py compile-2.6!skip
+plugins/module_utils/__init__.py compile-2.7!skip
+plugins/module_utils/__init__.py compile-3.5!skip
+plugins/module_utils/__init__.py future-import-boilerplate!skip
+plugins/module_utils/__init__.py import-2.6!skip
+plugins/module_utils/__init__.py import-2.7!skip
+plugins/module_utils/__init__.py import-3.5!skip
+plugins/module_utils/__init__.py metaclass-boilerplate!skip
+plugins/module_utils/ansiblemodule.py compile-2.6!skip
+plugins/module_utils/ansiblemodule.py compile-2.7!skip
+plugins/module_utils/ansiblemodule.py compile-3.5!skip
+plugins/module_utils/ansiblemodule.py future-import-boilerplate!skip
+plugins/module_utils/ansiblemodule.py import-2.6!skip
+plugins/module_utils/ansiblemodule.py import-2.7!skip
+plugins/module_utils/ansiblemodule.py import-3.5!skip
+plugins/module_utils/ansiblemodule.py metaclass-boilerplate!skip
+plugins/module_utils/apply.py compile-2.6!skip
+plugins/module_utils/apply.py compile-2.7!skip
+plugins/module_utils/apply.py compile-3.5!skip
+plugins/module_utils/apply.py future-import-boilerplate!skip
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+plugins/module_utils/apply.py import-3.5!skip
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+plugins/modules/k8s_scale.py validate-modules:return-syntax-error
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+plugins/modules/k8s_service.py validate-modules:parameter-type-not-in-doc
+plugins/modules/k8s_service.py validate-modules:return-syntax-error
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 tests/unit/module_utils/test_discoverer.py future-import-boilerplate!skip
 tests/unit/module_utils/test_discoverer.py metaclass-boilerplate!skip
-molecule/default/files/deployment.yaml yamllint!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py shebang
+molecule/default/roles/k8scopy/library/k8s_create_file.py shebang
+plugins/modules/k8s_cp.py compile-2.6!skip
+plugins/modules/k8s_cp.py compile-2.7!skip
+plugins/modules/k8s_cp.py import-2.6!skip
+plugins/modules/k8s_cp.py import-2.7!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-2.6!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-2.7!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-3.5!skip
+tests/unit/module_utils/test_selector.py future-import-boilerplate!skip
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+plugins/module_utils/selector.py future-import-boilerplate!skip
+plugins/module_utils/selector.py metaclass-boilerplate!skip
+plugins/lookup/kustomize.py future-import-boilerplate!skip
+plugins/lookup/kustomize.py metaclass-boilerplate!skip

tests/sanity/ignore-2.11.txt

@@ -1,18 +1,249 @@
-plugins/modules/k8s.py validate-modules:parameter-type-not-in-doc
-plugins/modules/k8s.py validate-modules:return-syntax-error
-plugins/modules/k8s_scale.py validate-modules:parameter-type-not-in-doc
-plugins/modules/k8s_scale.py validate-modules:return-syntax-error
-plugins/modules/k8s_service.py validate-modules:return-syntax-error
-plugins/modules/k8s_service.py validate-modules:parameter-type-not-in-doc
+molecule/default/files/deployment.yaml yamllint!skip
 molecule/default/roles/helm/files/appversionless-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/appversionless-chart/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart/templates/configmap.yaml yamllint!skip
-plugins/module_utils/k8sdynamicclient.py import-3.7!skip
-plugins/module_utils/client/discovery.py import-3.7!skip
-plugins/module_utils/client/resource.py import-3.7!skip
+plugins/module_utils/__init__.py compile-2.6!skip
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+plugins/module_utils/__init__.py compile-3.5!skip
+plugins/module_utils/__init__.py future-import-boilerplate!skip
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+plugins/module_utils/__init__.py import-3.5!skip
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+plugins/module_utils/ansiblemodule.py compile-2.7!skip
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+plugins/module_utils/selector.py metaclass-boilerplate!skip

tests/sanity/ignore-2.9.txt

@@ -1,15 +1,243 @@
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-plugins/modules/k8s_scale.py validate-modules:parameter-type-not-in-doc
-plugins/modules/k8s_service.py validate-modules:parameter-type-not-in-doc
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 molecule/default/roles/helm/files/appversionless-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/appversionless-chart/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart-v2/templates/configmap.yaml yamllint!skip
 molecule/default/roles/helm/files/test-chart/templates/configmap.yaml yamllint!skip
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-plugins/module_utils/client/discovery.py import-3.7!skip
-plugins/module_utils/client/resource.py import-3.7!skip
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 tests/unit/module_utils/test_discoverer.py future-import-boilerplate!skip
 tests/unit/module_utils/test_discoverer.py metaclass-boilerplate!skip
-molecule/default/files/deployment.yaml yamllint!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py shebang
+molecule/default/roles/k8scopy/library/k8s_create_file.py shebang
+plugins/modules/k8s_cp.py compile-2.6!skip
+plugins/modules/k8s_cp.py compile-2.7!skip
+plugins/modules/k8s_cp.py import-2.6!skip
+plugins/modules/k8s_cp.py import-2.7!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-2.6!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-2.7!skip
+molecule/default/roles/k8scopy/library/kubectl_file_compare.py compile-3.5!skip
+tests/unit/module_utils/test_selector.py future-import-boilerplate!skip
+tests/unit/module_utils/test_selector.py metaclass-boilerplate!skip
+plugins/module_utils/selector.py future-import-boilerplate!skip
+plugins/module_utils/selector.py metaclass-boilerplate!skip
+plugins/lookup/kustomize.py future-import-boilerplate!skip
+plugins/lookup/kustomize.py metaclass-boilerplate!skip

tests/sanity/refresh_ignore_files

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+from pathlib import Path
+
+target_dir = Path('.')
+
+ignore_dir = target_dir / "tests" / "sanity"
+module_dir = target_dir / "plugins" / "modules"
+module_utils_dir = target_dir / "plugins" / "module_utils"
+ignore_dir.mkdir(parents=True, exist_ok=True)
+
+skip_list = [
+    "compile-2.6!skip",  # Py3.8+
+    "compile-2.7!skip",  # Py3.8+
+    "compile-3.5!skip",  # Py3.8+
+    "import-2.6!skip",  # Py3.8+
+    "import-2.7!skip",  # Py3.8+
+    "import-3.5!skip",  # Py3.8+
+    "future-import-boilerplate!skip",  # Py2 only
+    "metaclass-boilerplate!skip",  # Py2 only
+]
+
+for version in ["2.9", "2.10", "2.11", "2.12"]:
+    ignore_file = ignore_dir / f"ignore-{version}.txt"
+    ignore_content = ignore_file.read_text().split("\n")
+    ignore_content.append(f"tests/sanity/refresh_ignore_files shebang!skip")
+
+    for f in module_dir.glob("*.py"):
+        if f.is_symlink():
+            continue
+        for test in skip_list:
+            ignore_content.append(f"{f} {test}")
+    for f in module_utils_dir.glob("*.py"):
+        if f.is_symlink():
+            continue
+        for test in skip_list:
+            ignore_content.append(f"{f} {test}")
+    ignore_file = ignore_dir / f"ignore-{version}.txt"
+    ignore_file.write_text("\n".join(sorted(set(ignore_content))).lstrip("\n"))

tests/unit/module_utils/test_selector.py

@@ -0,0 +1,187 @@
+# Copyright [2021] [Red Hat, Inc.]
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from ansible_collections.kubernetes.core.plugins.module_utils.selector import LabelSelectorFilter, Selector
+
+prod_definition = {
+    'apiVersion': 'v1',
+    'kind': 'Pod',
+    'metadata': {
+        'name': 'test',
+        'labels': {
+            'environment': 'production',
+            'app': 'nginx',
+        }
+    },
+    'spec': {
+        'containers': [
+            {'name': 'nginx', 'image': 'nginx:1.14.2', 'command': ['/bin/sh', '-c', 'sleep 10']}
+        ]
+    }
+}
+
+no_label_definition = {
+    'apiVersion': 'v1',
+    'kind': 'Pod',
+    'metadata': {
+        'name': 'test',
+        'labels': {}
+    },
+    'spec': {
+        'containers': [
+            {'name': 'nginx', 'image': 'nginx:1.14.2', 'command': ['/bin/sh', '-c', 'sleep 10']}
+        ]
+    }
+}
+
+test_definition = {
+    'apiVersion': 'v1',
+    'kind': 'Pod',
+    'metadata': {
+        'name': 'test',
+        'labels': {
+            'environment': 'test',
+            'app': 'nginx',
+        }
+    },
+    'spec': {
+        'containers': [
+            {'name': 'nginx', 'image': 'nginx:1.15.2', 'command': ['/bin/sh', '-c', 'sleep 10']}
+        ]
+    }
+}
+
+
+def test_selector_parser():
+    f_selector = "environment==true"
+    sel = Selector(f_selector)
+    assert sel._operator == "in" and sel._data == ["true"] and sel._key == "environment"
+    f_selector = "environment=true"
+    sel = Selector(f_selector)
+    assert sel._operator == "in" and sel._data == ["true"] and sel._key == "environment"
+    f_selector = " environment  ==  true "
+    sel = Selector(f_selector)
+    assert sel._operator == "in" and sel._data == ["true"] and sel._key == "environment"
+    f_selector = "environment!=false"
+    sel = Selector(f_selector)
+    assert sel._operator == "notin" and sel._data == ["false"] and sel._key == "environment"
+    f_selector = "environment notin (true, false)"
+    sel = Selector(f_selector)
+    assert sel._operator == "notin" and "true" in sel._data and "false" in sel._data and sel._key == "environment"
+    f_selector = "environment in (true, false)"
+    sel = Selector(f_selector)
+    assert sel._operator == "in" and "true" in sel._data and "false" in sel._data and sel._key == "environment"
+    f_selector = "environmentin(true, false)"
+    sel = Selector(f_selector)
+    assert not sel._operator and not sel._data and sel._key == f_selector
+    f_selector = "environment notin (true, false"
+    sel = Selector(f_selector)
+    assert not sel._operator and not sel._data and sel._key == f_selector
+    f_selector = "!environment"
+    sel = Selector(f_selector)
+    assert sel._operator == "!" and not sel._data and sel._key == "environment"
+    f_selector = "!  environment  "
+    sel = Selector(f_selector)
+    assert sel._operator == "!" and not sel._data and sel._key == "environment"
+
+
+def test_label_selector_without_operator():
+    label_selector = ['environment', 'app']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+
+
+def test_label_selector_equal_operator():
+    label_selector = ['environment==test']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment=production']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment=production', 'app==mongodb']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment=production', 'app==nginx']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment', 'app==nginx']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+
+
+def test_label_selector_notequal_operator():
+    label_selector = ['environment!=test']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment!=production']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment=production', 'app!=mongodb']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment=production', 'app!=nginx']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment', 'app!=nginx']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+
+
+def test_label_selector_conflicting_definition():
+    label_selector = ['environment==test', 'environment!=test']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment==test', 'environment==production']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+
+
+def test_set_based_requirement():
+    label_selector = ['environment in (production)']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment in (production, test)']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment notin (production)']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment notin (production, test)']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['environment']
+    assert LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(test_definition)
+    label_selector = ['!environment']
+    assert not LabelSelectorFilter(label_selector).isMatching(prod_definition)
+    assert LabelSelectorFilter(label_selector).isMatching(no_label_definition)
+    assert not LabelSelectorFilter(label_selector).isMatching(test_definition)