Feat/zone redundancy #132
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| --- | |
| name: helm-loki-ci | |
| on: | |
| pull_request: | |
| paths: | |
| - "production/helm/loki/**" | |
| jobs: | |
| publish-diff: | |
| name: Publish Rendered Helm Chart Diff | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Setup Helm | |
| uses: azure/setup-helm@v4 | |
| - name: Add required Helm repositories | |
| run: | | |
| helm repo add minio https://charts.min.io/ | |
| helm repo add grafana https://grafana.github.io/helm-charts | |
| helm repo add grafana-operator https://grafana.github.io/helm-charts | |
| helm repo update | |
| - name: Prepare directories for base and PR branches | |
| run: | | |
| mkdir -p ${{ github.workspace }}/base | |
| mkdir -p ${{ github.workspace }}/pr | |
| mkdir -p ${{ github.workspace }}/output | |
| mkdir -p ${{ github.workspace }}/output/base | |
| mkdir -p ${{ github.workspace }}/output/pr | |
| - name: Checkout base branch to 'base' folder within workspace | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.event.pull_request.base.ref }} | |
| path: ${{ github.workspace }}/base | |
| - name: Checkout PR branch to 'pr' folder within workspace | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.event.pull_request.head.ref }} | |
| path: ${{ github.workspace }}/pr | |
| - name: Render Helm chart for each scenario in the base branch | |
| run: | | |
| cd ${{ github.workspace }}/base/production/helm/loki | |
| if [ ! -d "scenarios" ]; then | |
| echo "Directory with the scenarios does not exist in base branch, skipping rendering them." | |
| exit 0 | |
| fi | |
| helm dependency build | |
| for file in scenarios/*.yaml; do | |
| cat "$file" | |
| schenario_folder=${{ github.workspace }}/output/base/$(basename $file .yaml) | |
| mkdir $schenario_folder | |
| helm template loki-test-chart-name . -f $file --output-dir $schenario_folder | |
| done | |
| - name: Render Helm chart for each scenario in the PR branch | |
| run: | | |
| cd ${{ github.workspace }}/pr/production/helm/loki | |
| helm dependency build | |
| for file in scenarios/*.yaml; do | |
| cat "$file" | |
| schenario_folder=${{ github.workspace }}/output/pr/$(basename $file .yaml) | |
| mkdir $schenario_folder | |
| helm template loki-test-chart-name . -f $file --output-dir $schenario_folder | |
| done | |
| - name: Calculate the diff between base and PR rendered manifests for each scenario | |
| run: | | |
| cd ${{ github.workspace }}/pr/production/helm/loki | |
| for scenario_file in scenarios/*.yaml; do | |
| added_files='[]' | |
| modified_files='[]' | |
| removed_files='[]' | |
| scenario_name=$(basename $scenario_file .yaml) | |
| base_branch_dir=${{ github.workspace }}/output/base/$scenario_name | |
| pr_branch_dir=${{ github.workspace }}/output/pr/$scenario_name | |
| echo "Comparing directories: $base_branch_dir and $pr_branch_dir" | |
| # Find all files in the left and right directories | |
| base_branch_files=$(if [[ -d "$base_branch_dir" ]]; then find "$base_branch_dir" -type f | sed "s|$base_branch_dir/||"; else echo ""; fi) | |
| pr_branch_files=$(find "$pr_branch_dir" -type f | sed "s|$pr_branch_dir/||") | |
| # Check for modified and removed files | |
| for file in $base_branch_files; do | |
| echo "check if file exists: $file" | |
| if [[ -f "$pr_branch_dir/$file" ]]; then | |
| echo "File exists in both directories, check if it is modified" | |
| if ! diff -q "$base_branch_dir/$file" "$pr_branch_dir/$file" >/dev/null; then | |
| echo "file is modified $file" | |
| file_diff=$(diff -c "$base_branch_dir/$file" "$pr_branch_dir/$file" || true) | |
| diff_obj=$(jq -n --arg file "$file" --arg diff "$file_diff" '{"filename": $file, "diff": $diff}') | |
| # Append the new object to the JSON array using jq | |
| modified_files=$(echo "$modified_files" | jq --argjson diff_obj "$diff_obj" '. += [$diff_obj]') | |
| else | |
| echo "file is not modified" | |
| fi | |
| else | |
| echo "file is removed $file" | |
| # File is missing in the PR directory | |
| file_content=$(cat "$base_branch_dir/$file") | |
| removed_obj=$(jq -n --arg filename "$file" --arg content "$file_content" '{"filename": $filename, "content": $content}') | |
| # Append the new object to the JSON array using jq | |
| removed_files=$(echo "$removed_files" | jq --argjson removed_obj "$removed_obj" '. += [$removed_obj]') | |
| fi | |
| done | |
| # Check for added files in the right directory | |
| for file in $pr_branch_files; do | |
| if [[ ! -f "$base_branch_dir/$file" ]]; then | |
| echo "added file detected" | |
| # File is missing in the PR directory | |
| file_content=$(cat "$pr_branch_dir/$file") | |
| added_obj=$(jq -n --arg file "$file" --arg content "$file_content" '{"filename": $file, "content": $content}') | |
| # Append the new object to the JSON array using jq | |
| added_files=$(echo "$added_files" | jq --argjson added_obj "$added_obj" '. += [$added_obj]') | |
| fi | |
| done | |
| scenario_output_dir="${{ github.workspace }}/output/$scenario_name" | |
| mkdir $scenario_output_dir | |
| echo $added_files > $scenario_output_dir/added_files.json | |
| echo $modified_files > $scenario_output_dir/modified_files.json | |
| echo $removed_files > $scenario_output_dir/removed_files.json | |
| echo $removed_files | |
| done | |
| - name: Generate Markdown Summary | |
| run: | | |
| # Initialize the Markdown output file | |
| output_file="${{ github.workspace }}/output/diff_summary.md" | |
| echo "# Kubernetes Manifest Diff Summary" > $output_file | |
| # Iterate over each scenario file | |
| for file in ${{ github.workspace }}/pr/production/helm/loki/scenarios/*.yaml; do | |
| scenario=$(basename "$file" .yaml) | |
| echo "Processing scenario: $scenario" | |
| # Read JSON data for added, modified, and removed files | |
| added_files=$(cat ${{ github.workspace }}/output/$scenario/added_files.json) | |
| modified_files=$(cat ${{ github.workspace }}/output/$scenario/modified_files.json) | |
| removed_files=$(cat ${{ github.workspace }}/output/$scenario/removed_files.json) | |
| # Count the number of added, modified, and removed files | |
| num_added=$(echo "$added_files" | jq length) | |
| num_modified=$(echo "$modified_files" | jq length) | |
| num_removed=$(echo "$removed_files" | jq length) | |
| # Create a header for the scenario | |
| echo -e "\n<details><summary>Scenario: $scenario (Added: $num_added, Modified: $num_modified, Removed: $num_removed) </summary>\n" >> $output_file | |
| echo -e "<p>\n\n" >> $output_file | |
| # Add summary counts | |
| echo -e "\n**Summary:**" >> $output_file | |
| echo -e "\n- **Added:** $num_added" >> $output_file | |
| echo -e "\n- **Modified:** $num_modified" >> $output_file | |
| echo -e "\n- **Removed:** $num_removed" >> $output_file | |
| # Add details for added files | |
| echo -e "\n### Added Files" >> $output_file | |
| if [[ "$num_added" -gt 0 ]]; then | |
| echo "$added_files" | jq -c '.[]' | while read -r obj; do | |
| filename=$(echo "$obj" | jq -r '.filename') | |
| content=$(echo "$obj" | jq -r '.content') | |
| echo -e "\n<details><summary>$filename</summary>" >> $output_file | |
| echo -e "\n\`\`\`yaml\n$content\n\`\`\`\n</details>" >> $output_file | |
| done | |
| else | |
| echo -e "\n_No added files_\n" >> $output_file | |
| fi | |
| # Add details for modified files | |
| echo -e "\n### Modified Files" >> $output_file | |
| if [[ "$num_modified" -gt 0 ]]; then | |
| echo "$modified_files" | jq -c '.[]' | while read -r obj; do | |
| filename=$(echo "$obj" | jq -r '.filename') | |
| diff=$(echo "$obj" | jq -r '.diff') | |
| echo -e "\n<details><summary>$filename</summary>" >> $output_file | |
| echo -e "\n\`\`\`diff\n$diff\n\`\`\`\n</details>" >> $output_file | |
| done | |
| else | |
| echo -e "\n_No modified files_\n" >> $output_file | |
| fi | |
| # Add details for removed files | |
| echo -e "\n### Removed Files" >> $output_file | |
| if [[ "$num_removed" -gt 0 ]]; then | |
| echo "$removed_files" | jq -c '.[]' | while read -r obj; do | |
| filename=$(echo "$obj" | jq -r '.filename') | |
| content=$(echo "$obj" | jq -r '.content') | |
| echo -e "\n<details><summary>$filename</summary>" >> $output_file | |
| echo -e "\n\`\`\`yaml\n$content\n\`\`\`\n</details>" >> $output_file | |
| done | |
| else | |
| echo -e "\n_No removed files_\n" >> $output_file | |
| fi | |
| # close <p> and <details> | |
| echo -e "\n\n</p>\n</details>" >> $output_file | |
| done | |
| - name: Post diff as PR comment | |
| uses: marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| hide_and_recreate: true | |
| hide_classify: "OUTDATED" | |
| path: ${{ github.workspace }}/output/diff_summary.md |