helm - Add reuse-values when running helm diff (#683)

helm - Add reuse-values when running helm diff

SUMMARY

closes #680

ISSUE TYPE


Bugfix Pull Request

COMPONENT NAME

helm

Reviewed-by: GomathiselviS
Reviewed-by: Alina Buzachis

tests/integration/targets/helm_diff/files/test-chart-reuse-values/Chart.yaml

@@ -0,0 +1,24 @@
+apiVersion: v2
+name: chart-reuse-values
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"

tests/integration/targets/helm_diff/files/test-chart-reuse-values/templates/configmap.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: cmap
+data:
+  ansible_version: {{ .Values.ansible_version }}
+  phase: {{ .Values.phase }}

tests/integration/targets/helm_diff/files/test-chart-reuse-values/values.yaml

@@ -0,0 +1,2 @@
+ansible_version: milestone
+phase: uat

tests/integration/targets/helm_diff/tasks/main.yml

@@ -298,4 +298,7 @@
         kind: Namespace
         name: "{{ helm_namespace }}"
         state: absent
+        wait: true
       ignore_errors: yes
+
+- include_tasks: reuse_values.yml

tests/integration/targets/helm_diff/tasks/reuse_values.yml

@@ -0,0 +1,93 @@
+---
+- name: Create temporary directory for helm chart
+  tempfile:
+    suffix: .helm
+    state: directory
+  register: helm_dir
+
+- name: Test helm diff functionality
+  vars:
+    test_chart_path: "{{ helm_dir.path }}/test-chart-reuse-values"
+    test_release_name: "myrelease"
+
+  block:
+
+    - name: Install helm diff
+      kubernetes.core.helm_plugin:
+        binary_path: "{{ helm_binary }}"
+        state: present
+        plugin_path: https://github.com/databus23/helm-diff
+        plugin_version: 3.9.4
+
+    - name: Copy test chart
+      ansible.builtin.copy:
+        src: "test-chart-reuse-values"
+        dest: "{{ helm_dir.path }}"
+
+    - name: Create helm release
+      kubernetes.core.helm:
+        state: present
+        binary_path: "{{ helm_binary }}"
+        chart_ref: "{{ test_chart_path }}"
+        release_name: "{{ test_release_name }}"
+        release_namespace: "{{ helm_namespace }}"
+        create_namespace: true
+        release_values:
+          ansible_version: devel
+          phase: ci
+        wait: true
+
+    - name: Upgrade helm release (reset_values=false and reuse_values=true)
+      kubernetes.core.helm:
+        binary_path: "{{ helm_binary }}"
+        chart_ref: "{{ test_chart_path }}"
+        reset_values: false
+        reuse_values: true
+        release_name: "{{ test_release_name }}"
+        release_namespace: "{{ helm_namespace }}"
+        values:
+          ansible_version: devel
+      register: helm_upgrade
+
+    - name: Ensure task did not reported change
+      assert:
+        that:
+          - helm_upgrade is not changed
+
+    - name: Upgrade helm release (reuse_values=true with default value for reset_values)
+      kubernetes.core.helm:
+        binary_path: "{{ helm_binary }}"
+        chart_ref: "{{ test_chart_path }}"
+        reuse_values: true
+        release_name: "{{ test_release_name }}"
+        release_namespace: "{{ helm_namespace }}"
+        values:
+          ansible_version: devel
+      register: helm_upgrade
+
+    - name: Ensure task reported change
+      assert:
+        that:
+          - helm_upgrade is changed
+
+  always:
+    - name: Remove temporary directory
+      file:
+        path: "{{ helm_dir.path }}"
+        state: absent
+      ignore_errors: true
+
+    - name: Uninstall helm diff
+      kubernetes.core.helm_plugin:
+        binary_path: "{{ helm_binary }}"
+        state: absent
+        plugin_name: diff
+      ignore_errors: true
+
+    - name: Remove helm namespace
+      kubernetes.core.k8s:
+        api_version: v1
+        kind: Namespace
+        name: "{{ helm_namespace }}"
+        state: absent
+      ignore_errors: true

tests/sanity/ignore-2.14.txt

@@ -24,3 +24,4 @@ plugins/modules/k8s_scale.py validate-modules:return-syntax-error
 plugins/modules/k8s_service.py validate-modules:return-syntax-error
 plugins/modules/k8s_taint.py validate-modules:return-syntax-error
 tests/integration/targets/k8s_delete/files/deployments.yaml yamllint!skip
+tests/integration/targets/helm_diff/files/test-chart-reuse-values/templates/configmap.yaml yamllint!skip

tests/sanity/ignore-2.15.txt

@@ -25,3 +25,4 @@ plugins/modules/k8s.py validate-modules:return-syntax-error
 plugins/modules/k8s_scale.py validate-modules:return-syntax-error
 plugins/modules/k8s_service.py validate-modules:return-syntax-error
 plugins/modules/k8s_taint.py validate-modules:return-syntax-error
+tests/integration/targets/helm_diff/files/test-chart-reuse-values/templates/configmap.yaml yamllint!skip

tests/sanity/ignore-2.16.txt

@@ -28,3 +28,4 @@ plugins/modules/k8s.py validate-modules:return-syntax-error
 plugins/modules/k8s_scale.py validate-modules:return-syntax-error
 plugins/modules/k8s_service.py validate-modules:return-syntax-error
 plugins/modules/k8s_taint.py validate-modules:return-syntax-error
+tests/integration/targets/helm_diff/files/test-chart-reuse-values/templates/configmap.yaml yamllint!skip

tests/sanity/ignore-2.17.txt

@@ -28,3 +28,4 @@ plugins/modules/k8s.py validate-modules:return-syntax-error
 plugins/modules/k8s_scale.py validate-modules:return-syntax-error
 plugins/modules/k8s_service.py validate-modules:return-syntax-error
 plugins/modules/k8s_taint.py validate-modules:return-syntax-error
+tests/integration/targets/helm_diff/files/test-chart-reuse-values/templates/configmap.yaml yamllint!skip