[backport/2.1] molecule to ansible-test CI migration (#398)

integration testing migration from molecule to ansible-test

tests/integration/targets/inventory_k8s/aliases

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+context/target
+k8s

tests/integration/targets/inventory_k8s/playbooks/play.yml

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+---
+- name: Converge
+  hosts: localhost
+  connection: local
+
+  collections:
+    - kubernetes.core
+
+  vars_files:
+    - vars/main.yml
+
+  tasks:
+    - name: Ensure namespace exists
+      k8s:
+        api_version: v1
+        kind: Namespace
+        name: inventory
+
+    - name: Add a deployment
+      k8s:
+        definition:
+          apiVersion: apps/v1
+          kind: Deployment
+          metadata:
+            name: inventory
+            namespace: inventory
+          spec:
+            replicas: 1
+            selector:
+              matchLabels:
+                app: "{{ k8s_pod_name }}"
+            template: "{{ k8s_pod_template }}"
+        wait: yes
+        wait_timeout: 240
+      vars:
+        k8s_pod_name: inventory
+        k8s_pod_image: python
+        k8s_pod_command:
+          - python
+          - '-m'
+          - http.server
+        k8s_pod_env:
+          - name: TEST
+            value: test
+
+    - meta: refresh_inventory
+
+- name: Verify inventory and connection plugins
+  hosts: namespace_inventory_pods
+  gather_facts: no
+
+  vars:
+    file_content: |
+      Hello world
+
+  tasks:
+    - name: End play if host not running (TODO should we not add these to the inventory?)
+      meta: end_host
+      when: pod_phase != "Running"
+
+    - debug: var=hostvars
+    - setup:
+
+    - debug: var=ansible_facts
+
+    - name: Assert the TEST environment variable was retrieved
+      assert:
+        that: ansible_facts.env.TEST == 'test'
+
+    - name: Copy a file into the host
+      copy:
+        content: '{{ file_content }}'
+        dest: /tmp/test_file
+
+    - name: Retrieve the file from the host
+      slurp:
+        src: /tmp/test_file
+      register: slurped_file
+
+    - name: Assert the file content matches expectations
+      assert:
+        that: (slurped_file.content|b64decode) == file_content
+
+- name: Delete inventory namespace
+  hosts: localhost
+  connection: local
+  gather_facts: no
+  tasks:
+    - name: Remove inventory namespace
+      k8s:
+        api_version: v1
+        kind: Namespace
+        name: inventory
+        state: absent

tests/integration/targets/inventory_k8s/playbooks/runme.sh

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+#!/usr/bin/env bash
+
+set -eux
+
+export ANSIBLE_INVENTORY_ENABLED=kubernetes.core.k8s,yaml
+export ANSIBLE_PYTHON_INTERPRETER=auto_silent
+
+ansible-playbook playbooks/play.yml -i playbooks/test.inventory_k8s.yml "$@"

tests/integration/targets/inventory_k8s/playbooks/test.inventory_k8s.yml

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+---
+plugin: kubernetes.core.k8s

tests/integration/targets/inventory_k8s/playbooks/vars/main.yml

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+---
+k8s_pod_metadata:
+  labels:
+    app: "{{ k8s_pod_name }}"
+
+k8s_pod_spec:
+  serviceAccount: "{{ k8s_pod_service_account }}"
+  containers:
+    - image: "{{ k8s_pod_image }}"
+      imagePullPolicy: Always
+      name: "{{ k8s_pod_name }}"
+      command: "{{ k8s_pod_command }}"
+      readinessProbe:
+        initialDelaySeconds: 15
+        exec:
+          command:
+            - /bin/true
+      resources: "{{ k8s_pod_resources }}"
+      ports: "{{ k8s_pod_ports }}"
+      env: "{{ k8s_pod_env }}"
+
+
+k8s_pod_service_account: default
+
+k8s_pod_resources:
+  limits:
+    cpu: "100m"
+    memory: "100Mi"
+
+k8s_pod_command: []
+
+k8s_pod_ports: []
+
+k8s_pod_env: []
+
+k8s_pod_template:
+  metadata: "{{ k8s_pod_metadata }}"
+  spec: "{{ k8s_pod_spec }}"
+
+kubernetes_role_path: ../../tests/integration/targets/kubernetes