Release Helm Charts #6
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| name: Release Helm Charts | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| version: | |
| description: "Release version (eg: 2.1.1)" | |
| required: true | |
| type: string | |
| charts_dir: | |
| description: "Charts directory" | |
| required: true | |
| default: 'helm' | |
| type: string | |
| env: | |
| PACKAGE_DIR: dist | |
| # Only allow one instance of this workflow to run at a time | |
| concurrency: | |
| group: "pages" | |
| cancel-in-progress: true | |
| jobs: | |
| verify: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Make sure charts directory exists and contains Helm charts | |
| env: | |
| CHARTS_DIR: ${{ inputs.charts_dir }} | |
| run: find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" | |
| - name: Verify release version is a valid SemVer version string | |
| env: | |
| VERSION: ${{ inputs.version }} | |
| # regex is from the semver.org list of suggested regex strings https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string | |
| run: echo $VERSION | grep -qP '^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$' | |
| - name: Ensure a git tag for this version does not already exist | |
| env: | |
| VERSION: v${{ inputs.version }} | |
| run: | | |
| if [ $(git tag -l "$VERSION") ]; then | |
| echo "Git tag matching release version '$VERSION' already exists" | |
| false | |
| else | |
| true | |
| fi | |
| - name: Ensure a Github release for this version does not already exist | |
| env: | |
| VERSION: v${{ inputs.version }} | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| export API_RESULT=$(gh api --silent \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-Github-Api-Version: 2022-11-28" \ | |
| /repos/${{ github.repository }}/releases/tags/${VERSION} 2>&1) | |
| if [[ "$API_RESULT" == *"Not Found"* ]]; then | |
| true | |
| else | |
| echo "Release for version '$VERSION' already exists on Github" | |
| false | |
| fi | |
| release: | |
| needs: verify | |
| # Provision a Github token with repository and pages write permissions | |
| permissions: | |
| contents: write | |
| pages: write | |
| id-token: write | |
| # Use the github-pages environment. The actions/deploy-pages workflow fails with a | |
| # "Invalid environment node id" error if an environment is not specified. | |
| # https://github.com/actions/deploy-pages/issues/271 | |
| environment: | |
| name: github-pages | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Configure git | |
| run: | | |
| git config user.name "$GITHUB_ACTOR" | |
| git config user.email "[email protected]" | |
| - name: Create a git tag for the release | |
| uses: EndBug/add-and-commit@v9 | |
| with: | |
| message: "Nemesis v${{ inputs.version }}" | |
| push: true | |
| tag: "v${{ inputs.version }}" | |
| - name: Install Helm | |
| env: | |
| GITHUB_TOKEN: ${{ github.token }} | |
| uses: azure/setup-helm@v3 | |
| - name: Add chart dependency repositories | |
| env: | |
| CHARTS_DIR: ${{ inputs.charts_dir }} | |
| run: | | |
| charts=($(find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" -printf '%h\n')) | |
| for chart in "${charts[@]}"; do | |
| repos=($(helm dependency list $chart | head -n '-1' | tail -n '+2' | cut -f3)) | |
| for repo in "${repos[@]}"; do | |
| name=$(echo $repo | grep -o '[^/]*$') | |
| helm repo add $name $repo | |
| done | |
| done | |
| - name: Package Helm charts | |
| env: | |
| PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
| CHARTS_DIR: ${{ inputs.charts_dir }} | |
| run: | | |
| mkdir -p $PACKAGE_DIR | |
| find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" -printf '%h\n' | xargs -I % bash -c "helm package -d $PACKAGE_DIR %" | |
| - name: Pull in previous index.yaml file if it exists | |
| env: | |
| PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| PAGES_URL=$(gh api \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: 2022-11-28" \ | |
| /repos/${{ github.repository }}/pages \ | |
| | jq -r '.html_url') | |
| if [[ "$PAGES_URL" != "null" ]]; then | |
| HTTP_STATUS=$(curl -sL -w '%{http_code}' "${PAGES_URL%/}/index.yaml" -o ${PACKAGE_DIR}/index.yaml) | |
| if [[ "$HTTP_STATUS" != "200" ]]; then | |
| rm ${PACKAGE_DIR}/index.yaml | |
| fi | |
| fi | |
| - name: Update Helm repository index.yaml file | |
| env: | |
| PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
| CHART_BASE_URL: ${{ github.server_url }}/${{ github.repository }}/releases/download/v${{ inputs.version }} | |
| run: | | |
| if [ -f ${PACKAGE_DIR}/index.yaml ]; then | |
| helm repo index $PACKAGE_DIR --merge ${PACKAGE_DIR}/index.yaml --url $CHART_BASE_URL | |
| else | |
| helm repo index $PACKAGE_DIR --url $CHART_BASE_URL | |
| fi | |
| - name: Create Github release with the Helm charts | |
| env: | |
| PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
| VERSION: v${{ inputs.version }} | |
| GH_TOKEN: ${{ github.token }} | |
| run: gh release create ${VERSION} -R ${{ github.repository }} -t "Nemesis $VERSION" -n "Nemesis $VERSION release" $PACKAGE_DIR/*.tgz | |
| - name: Remove packaged Helm charts | |
| env: | |
| PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
| run: rm -f ${PACKAGE_DIR}/*.tgz | |
| - name: Setup Github pages | |
| uses: actions/configure-pages@v4 | |
| - name: Create Github pages artifact | |
| uses: actions/upload-pages-artifact@v3 | |
| with: | |
| path: ${{ env.PACKAGE_DIR }} | |
| - name: Deploy Helm chart repository to Github pages | |
| uses: actions/deploy-pages@v4 | |
| - name: Remove Github release and tag on failure | |
| continue-on-error: true | |
| if: ${{ failure() }} | |
| env: | |
| VERSION: v${{ inputs.version }} | |
| GH_TOKEN: ${{ github.token }} | |
| run: gh release delete -R ${{ github.repository }} $VERSION -y --cleanup-tag |