builds-nightly #9
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| # PS-11078: Nightly arm64 build dispatcher. | |
| # | |
| # WHY THIS FILE EXISTS | |
| # GitHub Actions `schedule:` (cron) triggers ONLY fire from the workflow file | |
| # as it exists on the repository's DEFAULT branch. A cron sitting in builds.yml | |
| # on a non-default branch (e.g. 9.7) never runs. To get nightly | |
| # RelWithDebInfo + binlog_nogtid coverage on every maintained branch, this | |
| # single dispatcher lives on the default branch, runs on cron, and triggers | |
| # each target branch's OWN builds workflow via workflow_dispatch (--ref <branch>). | |
| # | |
| # Each dispatched run executes that branch's self-contained builds workflow, so | |
| # the per-branch config (boost version, parent branch, cmake/apt deltas) is | |
| # applied automatically -- this file knows nothing about it and never needs | |
| # editing when a branch's build config changes. It only needs editing when the | |
| # set of maintained branches changes (the `branches` default below). | |
| # | |
| # STAGED ROLLOUT: the build workflow file is named builds.yml on migrated | |
| # branches (8.4) but may still be build.yml on not-yet-migrated ones (8.0, 9.7). | |
| # Each ref is dispatched by trying builds.yml first, then build.yml, so every | |
| # branch keeps its nightly during the transition. Drop the build.yml fallback | |
| # once 8.0 + 9.7 are renamed to builds.yml. | |
| # | |
| # Per-PR builds are NOT handled here; the builds workflow's own pull_request / | |
| # pull_request_target triggers cover those on each branch. | |
| # | |
| # TOKEN: dispatch uses GHA_RUNNER_PAT, not GITHUB_TOKEN. A workflow_dispatch | |
| # fired with the built-in GITHUB_TOKEN does not reliably start the target run | |
| # (GitHub suppresses token-triggered events to avoid recursion); a PAT is the | |
| # established way to chain workflows. The PAT needs `actions: write` + repo | |
| # `contents: read` on this repository. | |
| name: builds-nightly | |
| on: | |
| schedule: | |
| # 01:00 UTC nightly. Matches the Cirrus RelWithDebInfo cadence (Przemek | |
| # 2026-05-18). Cron only fires from the default branch -- that is the whole | |
| # point of this file. | |
| - cron: '0 1 * * *' | |
| workflow_dispatch: | |
| inputs: | |
| branches: | |
| description: 'Comma-separated branches to dispatch a nightly RelWithDebInfo build on.' | |
| type: string | |
| default: '8.0,8.4,9.7' | |
| # Path-filtered self-test: editing this file opens a PR that exercises the | |
| # dispatch logic in DRY-RUN mode (prints the gh commands, dispatches nothing), | |
| # so a broken loop is caught before merge instead of silently skipping a | |
| # nightly. Mirrors the hardening added to the original nightly workflow. | |
| pull_request: | |
| paths: | |
| - '.github/workflows/builds-nightly.yml' | |
| permissions: | |
| contents: read | |
| jobs: | |
| dispatch-nightly: | |
| runs-on: ubuntu-latest | |
| permissions: {} | |
| steps: | |
| - name: Dispatch the builds workflow (RelWithDebInfo nightly) on each branch | |
| env: | |
| GH_TOKEN: ${{ secrets.GHA_RUNNER_PAT }} | |
| REPO: ${{ github.repository }} | |
| # workflow_dispatch lets an operator override the branch set; cron and | |
| # the PR self-test use the default. | |
| BRANCHES: ${{ github.event_name == 'workflow_dispatch' && inputs.branches || '8.0,8.4,9.7' }} | |
| # pull_request runs are self-tests only: print, do not dispatch. | |
| DRY_RUN: ${{ github.event_name == 'pull_request' && '1' || '0' }} | |
| run: | | |
| set -euo pipefail | |
| # Staged rollout: try the new filename first, then the old one. The | |
| # `builds` workflow is builds.yml on migrated branches (8.4) and may | |
| # still be build.yml on not-yet-migrated ones (8.0, 9.7). Remove | |
| # build.yml from this list once every branch is renamed. | |
| WORKFLOW_FILES=(builds.yml build.yml) | |
| IFS=',' read -ra REFS <<< "$BRANCHES" | |
| dispatched=0 | |
| for ref in "${REFS[@]}"; do | |
| ref="$(echo "$ref" | xargs)" # trim surrounding whitespace | |
| [ -n "$ref" ] || continue | |
| if [ "$DRY_RUN" = "1" ]; then | |
| echo "::notice::[dry-run] would dispatch ${WORKFLOW_FILES[0]} (fallback ${WORKFLOW_FILES[1]}) --ref $ref -f build_type=RelWithDebInfo" | |
| echo "- [dry-run] \`$ref\` -> ${WORKFLOW_FILES[0]} or ${WORKFLOW_FILES[1]} (RelWithDebInfo)" >> "$GITHUB_STEP_SUMMARY" | |
| continue | |
| fi | |
| ok=0 | |
| for wf in "${WORKFLOW_FILES[@]}"; do | |
| if gh workflow run "$wf" --repo "$REPO" --ref "$ref" -f build_type=RelWithDebInfo 2>/tmp/wf.err; then | |
| echo "::notice::Dispatched $wf (RelWithDebInfo) on ref $ref" | |
| echo "- Dispatched \`$wf\` nightly RelWithDebInfo on \`$ref\`" >> "$GITHUB_STEP_SUMMARY" | |
| ok=1 | |
| dispatched=$((dispatched + 1)) | |
| break | |
| fi | |
| echo "::warning::$wf not dispatchable on $ref ($(head -1 /tmp/wf.err)); trying next filename" | |
| done | |
| if [ "$ok" -ne 1 ]; then | |
| echo "::error::Could not dispatch any of ${WORKFLOW_FILES[*]} on ref $ref" | |
| exit 1 | |
| fi | |
| done | |
| if [ "$DRY_RUN" != "1" ] && [ "$dispatched" -eq 0 ]; then | |
| echo "::error::No branches dispatched (BRANCHES='$BRANCHES')" | |
| exit 1 | |
| fi |