Helm uninstall now support wait parameter (#235)

Helm uninstall now support wait parameter

SUMMARY

closes #33

ISSUE TYPE


Feature Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION



- helm:
    chart_name: test
    state: absent
    wait: yes

Reviewed-by: Abhijeet Kasurde <None>
Reviewed-by: Mike Graves <mgraves@redhat.com>
Reviewed-by: None <None>
Reviewed-by: None <None>

molecule/default/roles/helm/library/helm_test_version.py

@@ -0,0 +1,93 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2021, Ansible Project
+# 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: helm_test_version
+short_description: check helm executable version
+author:
+  - Aubin Bikouo (@abikouo)
+requirements:
+  - "helm (https://github.com/helm/helm/releases)"
+description:
+  -  validate version of helm binary is lower than the specified version.
+options:
+  binary_path:
+    description:
+      - The path of a helm binary to use.
+    required: false
+    type: path
+  version:
+    description:
+      - version to test against helm binary.
+    type: str
+    default: 3.7.0
+'''
+
+EXAMPLES = r'''
+- name: validate helm binary version is lower than 3.5.0
+  helm_test_version:
+    binary_path: path/to/helm
+    version: "3.5.0"
+'''
+
+RETURN = r'''
+message:
+  type: str
+  description: Text message describing the test result.
+  returned: always
+  sample: 'version installed: 3.4.5 is lower than version 3.5.0'
+result:
+  type: bool
+  description: Test result.
+  returned: always
+  sample: 1
+'''
+
+import re
+from distutils.version import LooseVersion
+
+from ansible.module_utils.basic import AnsibleModule
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            binary_path=dict(type='path'),
+            version=dict(type='str', default='3.7.0'),
+        ),
+    )
+
+    bin_path = module.params.get('binary_path')
+    version = module.params.get('version')
+
+    if bin_path is not None:
+        helm_cmd_common = bin_path
+    else:
+        helm_cmd_common = 'helm'
+
+    helm_cmd_common = module.get_bin_path(helm_cmd_common, required=True)
+    rc, out, err = module.run_command([helm_cmd_common, "version"])
+    if rc != 0:
+        module.fail_json(msg="helm version failed.", err=err, out=out, rc=rc)
+
+    m = re.match(r'version.BuildInfo{Version:"v([0-9\.]*)",', out)
+    installed_version = m.group(1)
+
+    message = "version installed: %s" % installed_version
+    if LooseVersion(installed_version) < LooseVersion(version):
+        message += " is lower than version %s" % version
+        module.exit_json(changed=False, result=True, message=message)
+    else:
+        message += " is greater than version %s" % version
+        module.exit_json(changed=False, result=False, message=message)
+
+
+if __name__ == '__main__':
+    main()

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

@@ -33,6 +33,9 @@
 - name: Test helm diff
   include_tasks: tests_helm_diff.yml
 
+- name: Test helm uninstall
+  include_tasks: test_helm_uninstall.yml
+
 # https://github.com/ansible-collections/community.kubernetes/issues/296
 - name: Test Skip CRDS feature in helm chart install
   include_tasks: test_crds.yml

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

@@ -0,0 +1,81 @@
+- name: validate helm version lower than 3.7.0
+  helm_test_version:
+    binary_path: "{{ helm_binary }}"
+    version: "3.7.0"
+  register: test_version
+
+- block:
+  - set_fact:
+      chart_source: "https://github.com/kubernetes/kube-state-metrics/releases/download/kube-state-metrics-helm-chart-2.13.3/kube-state-metrics-2.13.3.tgz"
+      chart_name: "test-wait-uninstall"
+
+  - name: Install chart
+    helm:
+      binary_path: "{{ helm_binary }}"
+      name: "{{ chart_name }}"
+      chart_ref: "{{ chart_source }}"
+      namespace: "{{ helm_namespace }}"
+      create_namespace: true
+
+  - name: Delete chart with wait
+    helm:
+      state: absent
+      binary_path: "{{ helm_binary }}"
+      name: "{{ chart_name }}"
+      namespace: "{{ helm_namespace }}"
+      wait: yes
+    register: uninstall
+
+  - name: assert warning has been raised
+    assert:
+      that:
+      - uninstall.warnings
+
+  - name: Create temp directory
+    tempfile:
+      state: directory
+      suffix: .test
+    register: _result
+
+  - set_fact:
+      helm_tmp_dir: "{{ _result.path }}"
+
+  - name: Unarchive Helm binary
+    unarchive:
+      src: 'https://get.helm.sh/helm-v3.7.0-linux-amd64.tar.gz'
+      dest: "{{ helm_tmp_dir }}"
+      remote_src: yes
+
+  - name: Install chart
+    helm:
+      binary_path: "{{ helm_tmp_dir }}/linux-amd64/helm"
+      name: "{{ chart_name }}"
+      chart_ref: "{{ chart_source }}"
+      namespace: "{{ helm_namespace }}"
+      create_namespace: true
+
+  - name: uninstall chart again using recent version
+    helm:
+      state: absent
+      binary_path: "{{ helm_tmp_dir }}/linux-amd64/helm"
+      name: "{{ chart_name }}"
+      namespace: "{{ helm_namespace }}"
+      wait: yes
+    register: uninstall
+
+  always:
+  - name: Delete temp directory
+    file:
+      path: "{{ helm_tmp_dir }}"
+      state: absent
+    ignore_errors: true
+
+  - name: Remove namespace
+    k8s:
+      kind: Namespace
+      name: "{{ helm_namespace }}"
+      state: absent
+      wait: true
+      wait_timeout: 180
+    ignore_errors: true
+  when: test_version.result