Copy of Chart and Github Workflow from BanzaiCloud/charts github repo (…

…#9)

.github/workflows/check-chart-migration.yaml

@@ -0,0 +1,30 @@
+name: Check Helm Chart Migration
+
+on:
+  push:
+
+jobs:
+  check-migration:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout current repository
+      uses: actions/checkout@v2
+
+    - name: Checkout banzaicloud/banzai-charts at tag cadence/0.24.1
+      uses: actions/checkout@v2
+      with:
+        repository: banzaicloud/banzai-charts
+        ref: cadence/0.24.2
+        path: banzai-charts
+
+    - name: Compare Helm Charts excluding README.md
+      run: |
+        for file in $(find banzai-charts/cadence -type f ! -name "README.md"); do
+          relative_path=${file#banzai-charts/cadence/}
+          diff "$file" "charts/cadence/$relative_path" || { echo "Difference found in $file"; exit 1; }
+        done
+
+    - name: Compare CI Pipeline
+      run: |
+        diff .github/workflows/ci.yaml banzai-charts/.github/workflows/ci.yaml || { echo "CI pipelines are not identical!"; exit 1; }

.github/workflows/ci.yaml

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+name: Helm chart
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "**/[0-9]+.[0-9]+.[0-9]+"
+      - "**/[0-9]+.[0-9]+.[0-9]+-dev.[0-9]+"
+  pull_request:
+
+env:
+  HELM_PLUGIN_CHARTMUSEUM_PUSH_VERSION: 0.9.0
+  HELM_PUSH_REPOSITORY_NAME: chartmuseum
+  HELM_VERSION: 3.1.1
+
+jobs:
+  helm:
+    name: Helm
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - uses: azure/setup-helm@v1
+        with:
+          version: ${{ env.HELM_VERSION }}
+
+      - name: Add Helm repositories
+        run: |
+          helm repo add incubator https://charts.helm.sh/incubator
+          helm repo add chartmuseum https://kubernetes-charts.banzaicloud.com
+          helm repo add banzaicloud-stable http://kubernetes-charts.banzaicloud.com/branch/master
+          helm repo add rimusz https://charts.rimusz.net
+
+      - name: Update Helm repositories
+        run: |
+          helm repo update
+          helm repo list
+
+      - name: Update Helm dependencies
+        run: |
+          find -H '.' \
+            -maxdepth 2 \
+            -name 'Chart.yaml' \
+            -execdir helm dependency update \;
+
+      - name: Lint Helm charts
+        run: |
+          find -H '.' \
+            -maxdepth 2 \
+            -name 'Chart.yaml' \
+            -printf '%h\n' \
+              | xargs helm lint
+
+      - name: Set Git refname
+        id: set-git-refname
+        run: |
+          GIT_REFNAME="$(echo "${{ github.ref }}" | sed -r 's@refs/(heads|pull|tags)/@@g')"
+
+          echo "GIT_REFNAME=${GIT_REFNAME}"
+          echo "git_refname=${GIT_REFNAME}" >> $GITHUB_OUTPUT
+
+      - name: Set Helm push enabled
+        id: set-helm-push-enabled
+        run: |
+          HELM_PUSH_ENABLED=""
+          if [ "${{ github.event_name }}" == "push" ] && echo "${{ steps.set-git-refname.outputs.git_refname }}" | grep -E -q "^(chart/)?[^/]+/[0-9]+\.[0-9]+\.[0-9]+"; then
+            HELM_PUSH_ENABLED=1
+          else
+            printf >&2 "Unstable chart (%s) from %s event, chart will not be pushed" "${{ steps.set-git-refname.outputs.git_refname }}" "${{ github.event_name }}"
+          fi
+
+          echo "HELM_PUSH_ENABLED=${HELM_PUSH_ENABLED}"
+          echo "helm_push_enabled=${HELM_PUSH_ENABLED}" >> $GITHUB_OUTPUT
+
+      - if: ${{ steps.set-helm-push-enabled.outputs.helm_push_enabled == 1 }}
+        name: Set chart name
+        id: set-chart-name
+        run: |
+          CHART_NAME="$(echo "${{ steps.set-git-refname.outputs.git_refname }}}" | awk -F '/' '{print $(NF-1)}')"
+
+          echo "CHART_NAME=${CHART_NAME}"
+          echo "chart_name=${CHART_NAME}" >> $GITHUB_OUTPUT
+
+      - if: ${{ steps.set-helm-push-enabled.outputs.helm_push_enabled == 1 }}
+        name: Package Helm chart
+        id: package-chart
+        run: |
+          HELM_PACKAGE_OUTPUT=$(helm package "${{ github.workspace }}/${{ steps.set-chart-name.outputs.chart_name }}") || exit 1
+          HELM_PACKAGE_PATH="${HELM_PACKAGE_OUTPUT##"Successfully packaged chart and saved it to: "}"
+
+          echo "HELM_PACKAGE_PATH=${HELM_PACKAGE_PATH}"
+          echo "helm_package_path=${HELM_PACKAGE_PATH}" >> $GITHUB_OUTPUT
+
+      - if: ${{ steps.set-helm-push-enabled.outputs.helm_push_enabled == 1 }}
+        name: Check Helm chart version in repository
+        run: |
+          CHART_PATH="${{ github.workspace }}/${{ steps.set-chart-name.outputs.chart_name }}"
+          EXPECTED_CHART_VERSION="$(echo "${{ steps.set-git-refname.outputs.git_refname }}" | awk -F '/' '{print $NF}')" || exit 1
+          ACTUAL_CHART_VERSION="$(awk '/version: [0-9]+\.[0-9]+\.[0-9]+/ {print $2}' "${CHART_PATH}/Chart.yaml")" || exit 1
+
+          if [ "${EXPECTED_CHART_VERSION}" != "${ACTUAL_CHART_VERSION}" ]; then
+            printf >&2 "chart version mismatches, name: %s, expected version (from tag): %s, actual version (from chart): %s" "${{ steps.set-chart-name.outputs.chart_name }}" "${EXPECTED_CHART_VERSION}" "${ACTUAL_CHART_VERSION}"
+            exit 1
+          fi
+
+          if helm search repo "${{ env.HELM_PUSH_REPOSITORY_NAME }}/${{ steps.set-chart-name.outputs.chart_name }}" --version "${ACTUAL_CHART_VERSION}" --output json | jq --exit-status 'length > 0'; then
+              printf >&2 "chart version already exists in the repository, repository: %s, name: %s, version: %s" "${{ env.HELM_PUSH_REPOSITORY_NAME }}" "${{ steps.set-chart-name.outputs.chart_name }}" "${ACTUAL_CHART_VERSION}"
+              exit 1
+          fi
+
+      - if: ${{ steps.set-helm-push-enabled.outputs.helm_push_enabled == 1 }}
+        name: Install Helm ChartMuseum push plugin
+        run: helm plugin install "https://github.com/chartmuseum/helm-push.git" --version "${{ env.HELM_PLUGIN_CHARTMUSEUM_PUSH_VERSION }}"
+
+      - if: ${{ steps.set-helm-push-enabled.outputs.helm_push_enabled == 1 }}
+        name: Push Helm chart
+        env:
+          HELM_REPO_PASSWORD: ${{ secrets.HELM_REPO_PASSWORD }}
+          HELM_REPO_USERNAME: ${{ secrets.HELM_REPO_USERNAME }}
+        run: helm push "${{ steps.package-chart.outputs.helm_package_path }}" "${{ env.HELM_PUSH_REPOSITORY_NAME }}"