Update App n8n-io-n8n on branch main #2
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| name: Helm Chart Publish | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - '**/helm/**' | |
| permissions: | |
| contents: write | |
| jobs: | |
| package-and-publish: | |
| runs-on: ubuntu-latest | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 | |
| - name: Check for deleted Helm directories | |
| id: check-deleted | |
| run: | | |
| DELETED_FILES=$(git diff --name-status HEAD^ HEAD | grep '^D' | awk '{print $2}' || echo "") | |
| if echo "$DELETED_FILES" | grep -q "/helm/"; then | |
| echo "SKIP_WORKFLOW=true" >> $GITHUB_ENV | |
| else | |
| echo "SKIP_WORKFLOW=false" >> $GITHUB_ENV | |
| fi | |
| - name: Set up Helm | |
| if: env.SKIP_WORKFLOW != 'true' | |
| uses: azure/setup-helm@v3 | |
| with: | |
| version: 'latest' | |
| - name: Find changed Helm charts and increment versions | |
| if: env.SKIP_WORKFLOW != 'true' | |
| run: | | |
| # Find changed files in this commit | |
| CHANGED_FILES=$(git diff --name-only HEAD^ HEAD | grep "helm/" || echo "") | |
| if [ -z "$CHANGED_FILES" ]; then | |
| echo "HELM_EXISTS=false" >> $GITHUB_ENV | |
| exit 0 | |
| fi | |
| # Extract unique chart directories from changed files | |
| declare -A CHART_DIRS | |
| for FILE in $CHANGED_FILES; do | |
| APP_NAME=$(echo $FILE | cut -d'/' -f1) | |
| HELM_DIR="${APP_NAME}/helm" | |
| if [ -f "${HELM_DIR}/Chart.yaml" ]; then | |
| CHART_DIRS["$HELM_DIR"]=1 | |
| fi | |
| done | |
| if [ ${#CHART_DIRS[@]} -eq 0 ]; then | |
| echo "HELM_EXISTS=false" >> $GITHUB_ENV | |
| exit 0 | |
| fi | |
| # Create directory for packaged charts | |
| mkdir -p .charts | |
| # Configure git for possible commits | |
| git config user.name "GitHub Actions Bot" | |
| git config user.email "actions@github.com" | |
| # Process each chart - increment version if needed | |
| for CHART_DIR in "${!CHART_DIRS[@]}"; do | |
| echo "Processing chart in $CHART_DIR" | |
| # Get current version | |
| CURRENT_VERSION=$(grep "version:" $CHART_DIR/Chart.yaml | awk '{print $2}') | |
| echo "Current version: $CURRENT_VERSION" | |
| # Check if this is a new commit that hasn't been deployed yet | |
| # by comparing the chart version with what's in the index.yaml | |
| CHART_NAME=$(grep "name:" $CHART_DIR/Chart.yaml | awk '{print $2}') | |
| NEEDS_INCREMENT=false | |
| # Pull gh-pages branch to check current versions | |
| mkdir -p temp_ghpages | |
| git fetch origin gh-pages:gh-pages || true | |
| if git show gh-pages:index.yaml > temp_ghpages/index.yaml 2>/dev/null; then | |
| if grep -q "name: $CHART_NAME" temp_ghpages/index.yaml; then | |
| if grep -q "version: $CURRENT_VERSION" temp_ghpages/index.yaml; then | |
| echo "Chart $CHART_NAME with version $CURRENT_VERSION already exists in index" | |
| echo "Incrementing patch version" | |
| NEEDS_INCREMENT=true | |
| else | |
| echo "Chart version has already been changed in source, not incrementing" | |
| fi | |
| else | |
| echo "Chart $CHART_NAME not found in index, using current version" | |
| fi | |
| else | |
| echo "No index.yaml found on gh-pages branch, using current version" | |
| fi | |
| # Increment version if needed | |
| if [ "$NEEDS_INCREMENT" = "true" ]; then | |
| # Split version into parts | |
| MAJOR=$(echo $CURRENT_VERSION | cut -d. -f1) | |
| MINOR=$(echo $CURRENT_VERSION | cut -d. -f2) | |
| PATCH=$(echo $CURRENT_VERSION | cut -d. -f3) | |
| # Increment patch version | |
| NEW_PATCH=$((PATCH + 1)) | |
| NEW_VERSION="$MAJOR.$MINOR.$NEW_PATCH" | |
| echo "Incrementing version from $CURRENT_VERSION to $NEW_VERSION" | |
| # Update Chart.yaml with new version | |
| sed -i "s/version: $CURRENT_VERSION/version: $NEW_VERSION/" $CHART_DIR/Chart.yaml | |
| # Commit the version change | |
| git add $CHART_DIR/Chart.yaml | |
| git commit -m "Automatically increment $CHART_NAME version to $NEW_VERSION [skip ci]" | |
| git push origin main | |
| fi | |
| # Package chart | |
| helm package $CHART_DIR -d .charts/ | |
| echo "Packaged chart in $CHART_DIR" | |
| done | |
| if [ -z "$(ls -A .charts/ 2>/dev/null)" ]; then | |
| echo "HELM_EXISTS=false" >> $GITHUB_ENV | |
| else | |
| echo "HELM_EXISTS=true" >> $GITHUB_ENV | |
| fi | |
| - name: Checkout gh-pages branch | |
| if: env.SKIP_WORKFLOW != 'true' && env.HELM_EXISTS == 'true' | |
| uses: actions/checkout@v3 | |
| with: | |
| ref: gh-pages | |
| path: gh-pages | |
| token: ${{ secrets.APP_INSTALLATION_TOKEN }} | |
| fetch-depth: 0 | |
| - name: Custom indexing approach | |
| if: env.SKIP_WORKFLOW != 'true' && env.HELM_EXISTS == 'true' | |
| run: | | |
| cd gh-pages | |
| # Create charts directory if it doesn't exist | |
| mkdir -p charts | |
| # Copy packaged charts to the charts subdirectory | |
| cp ../.charts/*.tgz charts/ | |
| # Store a list of the helm chart packages we just added | |
| NEW_CHARTS=$(ls ../.charts/*.tgz | xargs -n1 basename) | |
| echo "New/updated charts: $NEW_CHARTS" | |
| # If there's no index.yaml, create a new one with the proper URL path | |
| if [ ! -f "index.yaml" ] || [ ! -s "index.yaml" ]; then | |
| helm repo index . --url https://htdio-stg.github.io/deploy-templates/charts | |
| else | |
| # First, make a backup of the existing index | |
| cp index.yaml index.yaml.bak | |
| # Make a temporary directory for the new charts only | |
| mkdir -p ../temp_charts | |
| for chart in $NEW_CHARTS; do | |
| cp charts/"$chart" ../temp_charts/ | |
| done | |
| # Generate an index for just the new charts with the proper URL path | |
| cd ../temp_charts | |
| helm repo index . --url https://htdio-stg.github.io/deploy-templates/charts | |
| cd ../gh-pages | |
| # Now manually merge the indexes using yq | |
| # Install yq | |
| sudo wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 | |
| sudo chmod +x /usr/local/bin/yq | |
| # For each new/updated chart, replace its entry in the main index | |
| for chart in $NEW_CHARTS; do | |
| # Extract chart name from filename (removes version and extension) | |
| CHART_NAME=$(echo "$chart" | sed -E 's/(.+)-[0-9]+\.[0-9]+\.[0-9]+\.tgz/\1/') | |
| echo "Processing chart name: $CHART_NAME" | |
| # Check if this chart exists in the new index | |
| if grep -q "name: $CHART_NAME" ../temp_charts/index.yaml; then | |
| # Extract the updated entry from new index | |
| yq eval ".entries.$CHART_NAME" ../temp_charts/index.yaml > temp_entry.yaml | |
| # Replace the entry in the main index | |
| yq eval -i ".entries.$CHART_NAME = load(\"temp_entry.yaml\")" index.yaml | |
| echo "Updated entry for $CHART_NAME in main index" | |
| fi | |
| done | |
| # Update the generated timestamp in index.yaml | |
| yq eval -i ".generated = \"$(date -u +"%Y-%m-%dT%H:%M:%S.%NZ")\"" index.yaml | |
| # Clean up | |
| rm -f temp_entry.yaml | |
| fi | |
| # Remove any existing timestamp comments | |
| sed -i '/^# Charts updated from main branch on/d' index.yaml | |
| # Add a single new metadata annotation | |
| echo "" >> index.yaml | |
| echo "# Charts updated from main branch on $(date)" >> index.yaml | |
| - name: Commit and push to gh-pages | |
| if: env.SKIP_WORKFLOW != 'true' && env.HELM_EXISTS == 'true' | |
| run: | | |
| cd gh-pages | |
| git config user.name "GitHub Actions Bot" | |
| git config user.email "actions@github.com" | |
| # Add the index.yaml file | |
| git add index.yaml | |
| # Add the chart files in the charts directory | |
| for file in ../.charts/*.tgz; do | |
| basename=$(basename "$file") | |
| git add charts/"$basename" | |
| done | |
| # Only commit if there are changes | |
| if git diff --staged --quiet; then | |
| echo "No changes to commit" | |
| else | |
| git commit -m "Update Helm charts from main branch" | |
| # Push changes with retry logic | |
| MAX_RETRIES=3 | |
| RETRY_COUNT=0 | |
| while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do | |
| git pull --rebase origin gh-pages | |
| if git push origin gh-pages; then | |
| echo "Successfully pushed changes" | |
| break | |
| else | |
| RETRY_COUNT=$((RETRY_COUNT+1)) | |
| if [ $RETRY_COUNT -lt $MAX_RETRIES ]; then | |
| echo "Push failed, retrying in 5 seconds... (Attempt $RETRY_COUNT of $MAX_RETRIES)" | |
| sleep 5 | |
| else | |
| echo "Failed to push after $MAX_RETRIES attempts" | |
| exit 1 | |
| fi | |
| fi | |
| done | |
| fi |