Alert Changed Branch Protections #1
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Alert Changed Branch Protections | |
| on: | |
| branch_protection_rule: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '20 16 * * 3' # Run every Wednesday at 16:30 UTC / 8:30 PST | |
| permissions: | |
| contents: read | |
| jobs: | |
| check-branch-protections: | |
| runs-on: ubuntu-latest | |
| if: github.repository == 'github/docs-internal' | |
| strategy: | |
| matrix: | |
| # List of branches we want to monitor for protection changes | |
| branch: [main] | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 | |
| - name: Fetch branch protections | |
| id: fetch | |
| env: | |
| GH_TOKEN: ${{ secrets.DOCS_BOT_PAT_WORKFLOW }} | |
| run: | | |
| # Fetch branch protections and store them in a file | |
| gh api /repos/GitHub/docs-internal/branches/${{ matrix.branch }}/protection > ${{ matrix.branch }}-actual.json | |
| - name: Format fetched settings with prettier for comparison | |
| id: format | |
| run: | | |
| npx prettier --write ${{ matrix.branch }}-actual.json | |
| - name: Compare branch protections | |
| id: compare | |
| run: | | |
| # Compare the fetched branch protections with the committed ones | |
| git diff --no-index .github/branch_protection_settings/${{ matrix.branch }}.json ${{ matrix.branch }}-actual.json || echo "diff_failed=true" >> $GITHUB_ENV | |
| - name: Set failure message | |
| if: env.diff_failed == 'true' | |
| run: | | |
| message="Alert due to changes in branch protections for ${{ matrix.branch }}. Please review the changes and ensure they are intentional. If valid, update the branch protection settings in .github/branch_protection_settings/${{ matrix.branch }}.json to match the diff in this workflow." | |
| echo "failure_message=$message" >> $GITHUB_ENV | |
| echo "$message" | |
| - uses: ./.github/actions/slack-alert | |
| if: ${{ env.diff_failed == 'true' && github.event_name != 'workflow_dispatch' }} | |
| with: | |
| slack_channel_id: ${{ secrets.DOCS_ALERTS_SLACK_CHANNEL_ID }} | |
| slack_token: ${{ secrets.SLACK_DOCS_BOT_TOKEN }} | |
| message: ${{ env.failure_message }} | |
| color: purple |