Create announcements #696
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| name: Create announcements | |
| # ===================================================================== | |
| # Generates FORRT announcement posts from the "FORRT Announcements" | |
| # Google Sheet and delivers them to the deploy as an ARTIFACT — it never | |
| # commits to main and never runs the full data-processing pipeline. | |
| # | |
| # Flow: | |
| # 1. Download the previous run's announcements artifact (for the cached | |
| # sheet hash) to decide whether anything changed. | |
| # 2. Run scripts/create_announcements.R. It no-ops (exits early) when the | |
| # sheet hash is unchanged. | |
| # 3. If — and only if — the sheet changed, upload content/post as the | |
| # `announcements-artifact` and fire the `data-update` repository_dispatch. | |
| # | |
| # deploy.yaml downloads `announcements-artifact` and unpacks it over | |
| # content/post before the Hugo build (see "Apply announcements" there). The | |
| # latest successful artifact always holds the full current set of posts, so | |
| # deploys triggered by anything else still pick up the announcements. | |
| # ===================================================================== | |
| on: | |
| schedule: | |
| - cron: '15 */2 * * *' # every 2 hours (offset to balance runner load) | |
| workflow_dispatch: | |
| concurrency: | |
| group: create-announcements | |
| cancel-in-progress: false | |
| jobs: | |
| announcements: | |
| name: Generate announcements | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| actions: read # read previous artifact | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v6 | |
| - name: Download previous announcements artifact (for change detection) | |
| id: prev | |
| uses: dawidd6/action-download-artifact@07ab29fd4a977ae4d2b275087cf67563dfdf0295 | |
| continue-on-error: true | |
| with: | |
| workflow: create_announcements.yml | |
| name: announcements-artifact | |
| path: .prev | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| search_artifacts: true | |
| if_no_artifact_found: warn | |
| - name: Seed previous hash | |
| run: | | |
| if [ -f .prev/gs_announcement_hash.txt ]; then | |
| cp .prev/gs_announcement_hash.txt gs_announcement_hash.txt | |
| echo "Seeded previous hash." | |
| else | |
| echo "No previous hash — first run or expired artifact." | |
| fi | |
| - name: Setup r2u | |
| uses: eddelbuettel/github-actions/r2u-setup@master | |
| - name: Install R package dependencies | |
| # install.packages here runs through r2u/bspm, which fetches .debs via apt. | |
| # The r2u mirror occasionally times out, so retry a few times before failing — | |
| # a transient blip clears on the next attempt. We verify the packages are | |
| # actually present (install.packages only warns, it does not error, on a | |
| # partial failure) so the retry can't be fooled into a false success. | |
| run: | | |
| for attempt in 1 2 3; do | |
| echo "::group::install R packages (attempt $attempt)" | |
| Rscript -e ' | |
| pkgs <- c("googlesheets4", "httr", "digest") | |
| install.packages(pkgs) | |
| missing <- pkgs[!pkgs %in% rownames(installed.packages())] | |
| if (length(missing)) { message("Still missing: ", paste(missing, collapse = ", ")); quit(status = 1) } | |
| ' && { echo "::endgroup::"; echo "R packages installed on attempt $attempt."; exit 0; } | |
| echo "::endgroup::" | |
| echo "Attempt $attempt failed; retrying in 30s..." | |
| sleep 30 | |
| done | |
| echo "All 3 attempts to install R packages failed." >&2 | |
| exit 1 | |
| - name: Generate announcement posts | |
| id: gen | |
| run: | | |
| before="$(cat gs_announcement_hash.txt 2>/dev/null || echo none)" | |
| Rscript scripts/create_announcements.R | |
| after="$(cat gs_announcement_hash.txt 2>/dev/null || echo none)" | |
| if [ "$before" = "$after" ]; then | |
| echo "changed=false" >> "$GITHUB_OUTPUT" | |
| echo "Sheet unchanged — nothing to publish." | |
| else | |
| echo "changed=true" >> "$GITHUB_OUTPUT" | |
| echo "Sheet changed — packaging announcements." | |
| fi | |
| - name: Package announcements | |
| if: steps.gen.outputs.changed == 'true' | |
| run: tar czf announcements.tar.gz content/post | |
| - name: Upload announcements artifact | |
| if: steps.gen.outputs.changed == 'true' | |
| uses: actions/upload-artifact@v7 | |
| with: | |
| name: announcements-artifact | |
| path: | | |
| announcements.tar.gz | |
| gs_announcement_hash.txt | |
| retention-days: 90 | |
| - name: Trigger production deploy | |
| if: steps.gen.outputs.changed == 'true' | |
| run: | | |
| curl -s -X POST \ | |
| -H "Authorization: Bearer ${{ secrets.FORRT_PAT }}" \ | |
| -H "Accept: application/vnd.github+json" \ | |
| "https://api.github.com/repos/${{ github.repository }}/dispatches" \ | |
| -d '{"event_type": "data-update"}' |