Create separate chart validation workflow for gha-* charts. (#2393)

Co-authored-by: Nikola Jokic <jokicnikola07@gmail.com>

.github/workflows/validate-chart.yaml

@@ -9,12 +9,16 @@ on:
       - '.github/workflows/validate-chart.yaml'
       - '!charts/actions-runner-controller/docs/**'
       - '!**.md'
+      - '!charts/gha-runner-scale-set-controller/**'
+      - '!charts/gha-runner-scale-set/**'
   push:
     paths:
       - 'charts/**'
       - '.github/workflows/validate-chart.yaml'
       - '!charts/actions-runner-controller/docs/**'
       - '!**.md'
+      - '!charts/gha-runner-scale-set-controller/**'
+      - '!charts/gha-runner-scale-set/**'
   workflow_dispatch:
 env:
   KUBE_SCORE_VERSION: 1.10.0

.github/workflows/validate-gha-chart.yaml

@@ -0,0 +1,134 @@
+name: Validate Helm Chart (gha-runner-scale-set-controller and gha-runner-scale-set)
+
+on:
+  pull_request:
+    branches:
+      - master
+    paths:
+      - 'charts/**'
+      - '.github/workflows/validate-gha-chart.yaml'
+      - '!charts/actions-runner-controller/**'
+      - '!**.md'
+  push:
+    paths:
+      - 'charts/**'
+      - '.github/workflows/validate-gha-chart.yaml'
+      - '!charts/actions-runner-controller/**'
+      - '!**.md'
+  workflow_dispatch:
+env:
+  KUBE_SCORE_VERSION: 1.16.1
+  HELM_VERSION: v3.8.0
+
+permissions:
+  contents: read
+
+jobs:
+  validate-chart:
+    name: Lint Chart
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        # Using https://github.com/Azure/setup-helm/releases/tag/v3.5
+        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78
+        with:
+          version: ${{ env.HELM_VERSION }}
+
+      - name: Set up kube-score
+        run: |
+          wget https://github.com/zegl/kube-score/releases/download/v${{ env.KUBE_SCORE_VERSION }}/kube-score_${{ env.KUBE_SCORE_VERSION }}_linux_amd64 -O kube-score
+          chmod 755 kube-score
+
+      - name: Kube-score generated manifests
+        run: helm template  --values charts/.ci/values-kube-score.yaml charts/* | ./kube-score score -
+              --ignore-test pod-networkpolicy
+              --ignore-test deployment-has-poddisruptionbudget
+              --ignore-test deployment-has-host-podantiaffinity
+              --ignore-test container-security-context
+              --ignore-test pod-probes
+              --ignore-test container-image-tag
+              --enable-optional-test container-security-context-privileged
+              --enable-optional-test container-security-context-readonlyrootfilesystem
+
+      # python is a requirement for the chart-testing action below (supports yamllint among other tests)
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.7'
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.3.1
+
+      - name: Set up latest version chart-testing
+        run: |
+          echo 'deb [trusted=yes] https://repo.goreleaser.com/apt/ /' | sudo tee /etc/apt/sources.list.d/goreleaser.list
+          sudo apt update
+          sudo apt install goreleaser
+          git clone https://github.com/helm/chart-testing
+          cd chart-testing
+          unset CT_CONFIG_DIR
+          goreleaser build --clean --skip-validate 
+          ./dist/chart-testing_linux_amd64_v1/ct version
+          echo 'Adding ct directory to PATH...'
+          echo "$RUNNER_TEMP/chart-testing/dist/chart-testing_linux_amd64_v1" >> "$GITHUB_PATH"
+          echo 'Setting CT_CONFIG_DIR...'
+          echo "CT_CONFIG_DIR=$RUNNER_TEMP/chart-testing/etc" >> "$GITHUB_ENV"
+        working-directory: ${{ runner.temp }}
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          ct version
+          changed=$(ct list-changed --config charts/.ci/ct-config-gha.yaml)
+          if [[ -n "$changed" ]]; then
+            echo "::set-output name=changed::true"
+          fi
+
+      - name: Run chart-testing (lint)
+        run: |
+          ct lint --config charts/.ci/ct-config-gha.yaml
+
+      - name: Set up docker buildx
+        uses: docker/setup-buildx-action@v2
+        if: steps.list-changed.outputs.changed == 'true'
+        with:
+          version: latest
+
+      - name: Build controller image
+        uses: docker/build-push-action@v3
+        if: steps.list-changed.outputs.changed == 'true'
+        with:
+          file: Dockerfile
+          platforms: linux/amd64
+          load: true
+          build-args: |
+            DOCKER_IMAGE_NAME=test-arc
+            VERSION=dev 
+          tags: |
+            test-arc:dev
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.4.0
+        if: steps.list-changed.outputs.changed == 'true'
+        with:
+          cluster_name: chart-testing
+
+      - name: Load image into cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        run: |
+            export DOCKER_IMAGE_NAME=test-arc
+            export VERSION=dev
+            export IMG_RESULT=load
+            make docker-buildx
+            kind load docker-image test-arc:dev --name chart-testing
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: |
+          ct install --config charts/.ci/ct-config-gha.yaml

charts/.ci/ct-config-gha.yaml

@@ -0,0 +1,9 @@
+# This file defines the config for "ct" (chart tester) used by the helm linting GitHub workflow
+lint-conf: charts/.ci/lint-config.yaml
+chart-repos:
+  - jetstack=https://charts.jetstack.io
+check-version-increment: false # Disable checking that the chart version has been bumped
+charts:
+- charts/gha-runner-scale-set-controller
+- charts/gha-runner-scale-set
+skip-clean-up: true

charts/.ci/ct-config.yaml

@@ -5,5 +5,3 @@ chart-repos:
 check-version-increment: false # Disable checking that the chart version has been bumped
 charts:
 - charts/actions-runner-controller
-- charts/gha-runner-scale-set-controller
-- charts/gha-runner-scale-set

charts/gha-runner-scale-set-controller/ci/ci-values.yaml

@@ -0,0 +1,5 @@
+# Set the following to dummy values.
+# This is only useful in CI
+image:
+  repository: test-arc
+  tag: dev