init gh-actions for helm chart test and push to github oci registry

.github/workflows/helm-lint.yaml

@@ -0,0 +1,66 @@
+name: "Helm lint"
+on:
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+    helm-lint:
+      runs-on: [ ubuntu-latest ]
+      steps:
+        - uses: actions/checkout@v4
+          with:
+            fetch-depth: 0
+            token: ${{ secrets.GITHUB_TOKEN }}
+
+        - name: Set up Helm
+          uses: azure/setup-helm@v4.2.0
+
+        - uses: actions/setup-python@v5
+          with:
+            python-version: 3.9
+            check-latest: true
+            token: ${{ secrets.GITHUB_TOKEN }}
+
+        - name: Set up chart-testing
+          uses: helm/chart-testing-action@v2.6.1
+
+        - name: Run chart-testing (list-changed)
+          id: list-changed
+          run: |
+            changed=$(ct list-changed --config ci/config.yaml --target-branch ${{ github.event.repository.default_branch }})
+            if [[ -n "$changed" ]]; then
+              echo "changed=true" >> "$GITHUB_OUTPUT"
+            fi
+
+        - name: Run chart-testing (lint)
+          if: steps.list-changed.outputs.changed == 'true'
+          run: ct lint --chart-yaml-schema ci/chart_schema.yaml --lint-conf ci/lintconf.yaml --config ci/config.yaml --target-branch ${{ github.event.repository.default_branch }}
+
+        - name: Check version bump
+          id: check-bump
+          if: steps.list-changed.outputs.changed == 'true'
+          continue-on-error: true
+          run: |
+            for chart in $(ct list-changed --config ct/config.yaml --target-branch ${{ github.event.repository.default_branch }}); do
+              chart_version=$(yq .version "$chart/Chart.yaml")
+              if helm pull "oci://${{ env.REGISTRY }}/${{ github.repository }}/charts/$(basename $chart)" --version $chart_version; then
+                echo "chart=$(basename $chart)" >> "$GITHUB_OUTPUT"
+                echo "chart_version=${chart_version}" >> "$GITHUB_OUTPUT"
+                echo "needsbump=true" >> "$GITHUB_OUTPUT"
+                exit 1
+              fi
+            done
+
+        - uses: actions/github-script@v6
+          if: steps.check-bump.outputs.needsbump == 'true'
+          with:
+            script: |
+              github.rest.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: ':warning: Chart `oci://${{ env.REGISTRY }}/${{ github.repository }}/charts/${{ steps.check-bump.outputs.chart }}:${{ steps.check-bump.outputs.chart_version }}` already exists in registry. Please increment the chart version.'
+              })

.github/workflows/helm-push.yaml

@@ -0,0 +1,90 @@
+name: Package Helm Chart and publish to GitHub Packages
+
+on:
+  push:
+    branches:
+        - master
+
+permissions:
+  contents: write
+  packages: write
+
+env:
+  REGISTRY: ghcr.io
+  ACTIONS_RUNNER_DEBUG: false
+
+jobs:
+  helm-release:
+    runs-on: [ ubuntu-latest ]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+            fetch-depth: 0
+            token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4.2.0
+
+      - uses: actions/setup-python@v5
+        with:
+            python-version: 3.9
+            check-latest: true
+            token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+            registry: ${{ env.REGISTRY }}
+            username: ${{ github.actor }}
+            password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+            changed=$(ct list-changed --config ct/config.yaml --target-branch ${{ github.event.repository.default_branch }})
+            if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+            fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --chart-yaml-schema ci/chart_schema.yaml --lint-conf ci/lintconf.yaml --config ci/config.yaml --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: Check if Helm chart with same version already exists
+        id: check-chart
+        if: steps.list-changed.outputs.changed == 'true'
+        run: |
+            for chart in $(ct list-changed --config ct/config.yaml --target-branch ${{ github.event.repository.default_branch }}); do
+              chart_version=$(yq .version "$chart/Chart.yaml")
+              if helm pull "oci://${{ env.REGISTRY }}/${{ github.repository }}/charts/$(basename $chart)" --version $chart_version; then
+                echo "chart=$(basename $chart)" >> "$GITHUB_OUTPUT"
+                echo "chart_version=${chart_version}" >> "$GITHUB_OUTPUT"
+                echo "needsbump=true" >> "$GITHUB_OUTPUT"
+                exit 1
+              fi
+            done
+
+      - name: Chart needs version bump
+        if: steps.check-chart.outputs.bump == 'true'
+        env:
+          CHART_VERSION: ${{ steps.check-chart.outputs.chart_version }}
+        run: |
+          echo "Chart ${{ matrix.chartDir }}:${{ env.CHART_VERSION }} already exists in OCI registry. Skipping upload. Please increment the chart version."
+          exit 1
+
+      - name: Push Charts to GHCR
+        if: steps.list-changed.outputs.changed == 'true' && steps.check-chart.outputs.bump != 'true'
+        run: |
+            for chart in $(ct list-changed --config ct/config.yaml --target-branch ${{ github.event.repository.default_branch }}); do
+                helm dependency update $chart
+                helm package $chart -d $chart
+                PKG_NAME=`ls $chart/*.tgz`
+                helm push ${PKG_NAME} oci://${{ env.REGISTRY }}/${{ github.repository }}/
+            done

ci/config.yaml

@@ -15,6 +15,7 @@ chart-dirs:
 # Don't look here.
 excluded-charts:
   - ci
+  - .github
 
 # Adds remote chart repositories to be used for the tests.
 chart-repos: