Implement LFC prewarm #19862
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| name: Handle `approved-for-ci-run` label | |
| # This workflow helps to run CI pipeline for PRs made by external contributors (from forks). | |
| on: | |
| pull_request_target: | |
| branches: | |
| - main | |
| types: | |
| # Default types that triggers a workflow ([1]): | |
| # - [1] https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request | |
| - opened | |
| - synchronize | |
| - reopened | |
| # Types that we wand to handle in addition to keep labels tidy: | |
| - closed | |
| # Actual magic happens here: | |
| - labeled | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number }} | |
| cancel-in-progress: false | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR_NUMBER: ${{ github.event.pull_request.number }} | |
| BRANCH: "ci-run/pr-${{ github.event.pull_request.number }}" | |
| # No permission for GITHUB_TOKEN by default; the **minimal required** set of permissions should be granted in each job. | |
| permissions: {} | |
| defaults: | |
| run: | |
| shell: bash -euo pipefail {0} | |
| jobs: | |
| remove-label: | |
| # Remove `approved-for-ci-run` label if the workflow is triggered by changes in a PR. | |
| # The PR should be reviewed and labelled manually again. | |
| permissions: | |
| pull-requests: write # For `gh pr edit` | |
| if: | | |
| contains(fromJSON('["opened", "synchronize", "reopened", "closed"]'), github.event.action) && | |
| contains(github.event.pull_request.labels.*.name, 'approved-for-ci-run') | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - run: gh pr --repo "${GITHUB_REPOSITORY}" edit "${PR_NUMBER}" --remove-label "approved-for-ci-run" | |
| create-or-update-pr-for-ci-run: | |
| # Create local PR for an `approved-for-ci-run` labelled PR to run CI pipeline in it. | |
| permissions: | |
| pull-requests: write # for `gh pr edit` | |
| # For `git push` and `gh pr create` we use CI_ACCESS_TOKEN | |
| if: | | |
| github.event.action == 'labeled' && | |
| contains(github.event.pull_request.labels.*.name, 'approved-for-ci-run') | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - run: gh pr --repo "${GITHUB_REPOSITORY}" edit "${PR_NUMBER}" --remove-label "approved-for-ci-run" | |
| - uses: actions/checkout@v4 | |
| with: | |
| ref: main | |
| token: ${{ secrets.CI_ACCESS_TOKEN }} | |
| - name: Look for existing PR | |
| id: get-pr | |
| env: | |
| GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }} | |
| run: | | |
| ALREADY_CREATED="$(gh pr --repo ${GITHUB_REPOSITORY} list --head ${BRANCH} --base main --json number --jq '.[].number')" | |
| echo "ALREADY_CREATED=${ALREADY_CREATED}" >> ${GITHUB_OUTPUT} | |
| - name: Get changed labels | |
| id: get-labels | |
| if: steps.get-pr.outputs.ALREADY_CREATED != '' | |
| env: | |
| ALREADY_CREATED: ${{ steps.get-pr.outputs.ALREADY_CREATED }} | |
| GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }} | |
| run: | | |
| LABELS_TO_REMOVE=$(comm -23 <(gh pr --repo ${GITHUB_REPOSITORY} view ${ALREADY_CREATED} --json labels --jq '.labels.[].name'| ( grep -E '^run' || true ) | sort) \ | |
| <(gh pr --repo ${GITHUB_REPOSITORY} view ${PR_NUMBER} --json labels --jq '.labels.[].name' | ( grep -E '^run' || true ) | sort ) |\ | |
| ( grep -v run-e2e-tests-in-draft || true ) | paste -sd , -) | |
| LABELS_TO_ADD=$(comm -13 <(gh pr --repo ${GITHUB_REPOSITORY} view ${ALREADY_CREATED} --json labels --jq '.labels.[].name'| ( grep -E '^run' || true ) |sort) \ | |
| <(gh pr --repo ${GITHUB_REPOSITORY} view ${PR_NUMBER} --json labels --jq '.labels.[].name' | ( grep -E '^run' || true ) | sort ) |\ | |
| paste -sd , -) | |
| echo "LABELS_TO_ADD=${LABELS_TO_ADD}" >> ${GITHUB_OUTPUT} | |
| echo "LABELS_TO_REMOVE=${LABELS_TO_REMOVE}" >> ${GITHUB_OUTPUT} | |
| - run: gh pr checkout "${PR_NUMBER}" | |
| - run: git checkout -b "${BRANCH}" | |
| - run: git push --force origin "${BRANCH}" | |
| if: steps.get-pr.outputs.ALREADY_CREATED == '' | |
| - name: Create a Pull Request for CI run (if required) | |
| if: steps.get-pr.outputs.ALREADY_CREATED == '' | |
| env: | |
| GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }} | |
| run: | | |
| cat << EOF > body.md | |
| This Pull Request is created automatically to run the CI pipeline for #${PR_NUMBER} | |
| Please do not alter or merge/close it. | |
| Feel free to review/comment/discuss the original PR #${PR_NUMBER}. | |
| EOF | |
| LABELS=$( (gh pr --repo "${GITHUB_REPOSITORY}" view ${PR_NUMBER} --json labels --jq '.labels.[].name'; echo run-e2e-tests-in-draft )| \ | |
| grep -E '^run' | paste -sd , -) | |
| gh pr --repo "${GITHUB_REPOSITORY}" create --title "CI run for PR #${PR_NUMBER}" \ | |
| --body-file "body.md" \ | |
| --head "${BRANCH}" \ | |
| --base "main" \ | |
| --label ${LABELS} \ | |
| --draft | |
| - name: Modify the existing pull request (if required) | |
| if: steps.get-pr.outputs.ALREADY_CREATED != '' | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| LABELS_TO_ADD: ${{ steps.get-labels.outputs.LABELS_TO_ADD }} | |
| LABELS_TO_REMOVE: ${{ steps.get-labels.outputs.LABELS_TO_REMOVE }} | |
| ALREADY_CREATED: ${{ steps.get-pr.outputs.ALREADY_CREATED }} | |
| run: | | |
| ADD_CMD= | |
| REMOVE_CMD= | |
| [ -z "${LABELS_TO_ADD}" ] || ADD_CMD="--add-label ${LABELS_TO_ADD}" | |
| [ -z "${LABELS_TO_REMOVE}" ] || REMOVE_CMD="--remove-label ${LABELS_TO_REMOVE}" | |
| if [ -n "${ADD_CMD}" ] || [ -n "${REMOVE_CMD}" ]; then | |
| gh pr --repo "${GITHUB_REPOSITORY}" edit ${ALREADY_CREATED} ${ADD_CMD} ${REMOVE_CMD} | |
| fi | |
| - run: git push --force origin "${BRANCH}" | |
| if: steps.get-pr.outputs.ALREADY_CREATED != '' | |
| cleanup: | |
| # Close PRs and delete branchs if the original PR is closed. | |
| permissions: | |
| contents: write # for `--delete-branch` flag in `gh pr close` | |
| pull-requests: write # for `gh pr close` | |
| if: | | |
| github.event.action == 'closed' && | |
| github.event.pull_request.head.repo.full_name != github.repository | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - name: Close PR and delete `ci-run/pr-${{ env.PR_NUMBER }}` branch | |
| run: | | |
| CLOSED="$(gh pr --repo ${GITHUB_REPOSITORY} list --head ${BRANCH} --json 'closed' --jq '.[].closed')" | |
| if [ "${CLOSED}" == "false" ]; then | |
| gh pr --repo "${GITHUB_REPOSITORY}" close "${BRANCH}" --delete-branch | |
| fi |