Stats Checks & Reports #71
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| # Contains jobs corresponding to stats, including build stats due to changes in a PR. | |
| name: Stats Checks & Reports | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: "30 02 * * *" | |
| permissions: | |
| pull-requests: write | |
| jobs: | |
| find_open_pull_requests: | |
| name: Find open PRs | |
| runs-on: ubuntu-20.04 | |
| outputs: | |
| matrix: ${{ steps.compute-pull-request-matrix.outputs.matrix }} | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Compute PR matrix | |
| id: compute-pull-request-matrix | |
| # Remove spaces to ensure the matrix output is on one line. Reference: | |
| # https://stackoverflow.com/a/3232433. | |
| run: | | |
| CURRENT_OPEN_PR_INFO="$(gh pr list --json number,baseRefName,headRefName,headRepository,headRepositoryOwner | tr -d '[:space:]')" | |
| echo "matrix={\"prInfo\": $CURRENT_OPEN_PR_INFO}" >> "$GITHUB_OUTPUT" | |
| build_stats: | |
| name: Build Stats | |
| needs: find_open_pull_requests | |
| runs-on: ubuntu-20.04 | |
| # Reduce parallelization due to high build times, and allow individual PRs to fail. | |
| strategy: | |
| fail-fast: false | |
| max-parallel: 5 | |
| matrix: ${{ fromJson(needs.find_open_pull_requests.outputs.matrix) }} | |
| env: | |
| ENABLE_CACHING: false | |
| CACHE_DIRECTORY: ~/.bazel_cache | |
| steps: | |
| - name: Compute PR head owner/repo reference | |
| env: | |
| PR_HEAD_REPO: ${{ matrix.prInfo.headRepository.name }} | |
| PR_HEAD_REPO_OWNER: ${{ matrix.prInfo.headRepositoryOwner.login }} | |
| run: | | |
| echo "PR_HEAD=$PR_HEAD_REPO_OWNER/$PR_HEAD_REPO" >> "$GITHUB_ENV" | |
| - name: Print PR information for this run | |
| env: | |
| PR_BASE_REF_NAME: ${{ matrix.prInfo.baseRefName }} | |
| PR_HEAD_REF_NAME: ${{ matrix.prInfo.headRefName }} | |
| PR_NUMBER: ${{ matrix.prInfo.number }} | |
| run: | | |
| echo "PR $PR_NUMBER is merging into $PR_BASE_REF_NAME from https://github.com/$PR_HEAD branch $PR_HEAD_REF_NAME." | |
| - name: Set up JDK 11 | |
| uses: actions/setup-java@v1 | |
| with: | |
| java-version: 11 | |
| - name: Set up Bazel | |
| uses: abhinavsingh/setup-bazel@v3 | |
| with: | |
| version: 6.5.0 | |
| # For reference on this & the later cache actions, see: | |
| # https://github.com/actions/cache/issues/239#issuecomment-606950711 & | |
| # https://github.com/actions/cache/issues/109#issuecomment-558771281. Note that these work | |
| # with Bazel since Bazel can share the most recent cache from an unrelated build and still | |
| # benefit from incremental build performance (assuming that actions/cache aggressively removes | |
| # older caches due to the 5GB cache limit size & Bazel's large cache size). | |
| - uses: actions/cache@v2 | |
| id: cache | |
| with: | |
| path: ${{ env.CACHE_DIRECTORY }} | |
| key: ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-binary-${{ github.sha }} | |
| restore-keys: | | |
| ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-binary- | |
| ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel- | |
| # This check is needed to ensure that Bazel's unbounded cache growth doesn't result in a | |
| # situation where the cache never updates (e.g. due to exceeding GitHub's cache size limit) | |
| # thereby only ever using the last successful cache version. This solution will result in a | |
| # few slower CI actions around the time cache is detected to be too large, but it should | |
| # incrementally improve thereafter. | |
| - name: Ensure cache size | |
| env: | |
| BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }} | |
| run: | | |
| # See https://stackoverflow.com/a/27485157 for reference. | |
| EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}" | |
| CACHE_SIZE_MB=$(du -smc $EXPANDED_BAZEL_CACHE_PATH | grep total | cut -f1) | |
| echo "Total size of Bazel cache (rounded up to MBs): $CACHE_SIZE_MB" | |
| # Use a 4.5GB threshold since actions/cache compresses the results, and Bazel caches seem | |
| # to only increase by a few hundred megabytes across changes for unrelated branches. This | |
| # is also a reasonable upper-bound (local tests as of 2021-03-31 suggest that a full build | |
| # of the codebase (e.g. //...) from scratch only requires a ~2.1GB uncompressed/~900MB | |
| # compressed cache). | |
| if [[ "$CACHE_SIZE_MB" -gt 4500 ]]; then | |
| echo "Cache exceeds cut-off; resetting it (will result in a slow build)" | |
| rm -rf $EXPANDED_BAZEL_CACHE_PATH | |
| fi | |
| - name: Configure Bazel to use a local cache | |
| env: | |
| BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }} | |
| run: | | |
| EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}" | |
| echo "Using $EXPANDED_BAZEL_CACHE_PATH as Bazel's cache path" | |
| echo "build --disk_cache=$EXPANDED_BAZEL_CACHE_PATH" >> $HOME/.bazelrc | |
| shell: bash | |
| # This checks out the actual true develop branch separately to ensure that the stats check is | |
| # run from the latest develop rather than the base branch (which might be different for | |
| # chained PRs). | |
| - name: Check out develop repository | |
| uses: actions/checkout@v4 | |
| with: | |
| path: develop | |
| - name: Set up build environment | |
| uses: ./develop/.github/actions/set-up-android-bazel-build-environment | |
| - name: Check Bazel environment | |
| run: | | |
| cd develop | |
| bazel info | |
| - name: Check out base repository and branch | |
| env: | |
| PR_BASE_REF_NAME: ${{ matrix.prInfo.baseRefName }} | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| ref: ${{ env.PR_BASE_REF_NAME }} | |
| path: base | |
| - name: Check out head repository and branch | |
| env: | |
| PR_HEAD_REF_NAME: ${{ matrix.prInfo.headRefName }} | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| repository: ${{ env.PR_HEAD }} | |
| ref: ${{ env.PR_HEAD_REF_NAME }} | |
| path: head | |
| # Note that Bazel is shutdown between builds since multiple Bazel servers will otherwise end | |
| # up being active (due to multiple repositories being used) and this can quickly overwhelm CI | |
| # worker resources. | |
| - name: Build Oppia dev, alpha, beta, and GA (feature branch) | |
| run: | | |
| cd head | |
| git log -n 1 | |
| bazel build -- //:oppia_dev //:oppia_alpha //:oppia_beta //:oppia_ga | |
| cp bazel-bin/oppia_dev.aab ../develop/oppia_dev_with_changes.aab | |
| cp bazel-bin/oppia_alpha.aab ../develop/oppia_alpha_with_changes.aab | |
| cp bazel-bin/oppia_beta.aab ../develop/oppia_beta_with_changes.aab | |
| cp bazel-bin/oppia_ga.aab ../develop/oppia_ga_with_changes.aab | |
| bazel shutdown | |
| - name: Build Oppia dev, alpha, beta, and GA (base branch) | |
| run: | | |
| cd base | |
| git log -n 1 | |
| bazel build -- //:oppia_dev //:oppia_alpha //:oppia_beta //:oppia_ga | |
| cp bazel-bin/oppia_dev.aab ../develop/oppia_dev_without_changes.aab | |
| cp bazel-bin/oppia_alpha.aab ../develop/oppia_alpha_without_changes.aab | |
| cp bazel-bin/oppia_beta.aab ../develop/oppia_beta_without_changes.aab | |
| cp bazel-bin/oppia_ga.aab ../develop/oppia_ga_without_changes.aab | |
| bazel shutdown | |
| - name: Run stats analysis tool (develop branch) | |
| run: | | |
| cd develop | |
| git log -n 1 | |
| bazel run //scripts:compute_aab_differences -- \ | |
| $(pwd)/brief_build_summary.log $(pwd)/full_build_summary.log \ | |
| dev $(pwd)/oppia_dev_without_changes.aab $(pwd)/oppia_dev_with_changes.aab \ | |
| alpha $(pwd)/oppia_alpha_without_changes.aab $(pwd)/oppia_alpha_with_changes.aab \ | |
| beta $(pwd)/oppia_beta_without_changes.aab $(pwd)/oppia_beta_with_changes.aab \ | |
| ga $(pwd)/oppia_ga_without_changes.aab $(pwd)/oppia_ga_with_changes.aab | |
| - name: Find CI workflow run for PR | |
| id: find-workflow-run | |
| uses: actions/github-script@v7 | |
| continue-on-error: true | |
| with: | |
| script: | | |
| const { owner, repo } = context.repo; | |
| const runsResponse = await github.rest.actions.listWorkflowRuns({ | |
| owner, | |
| repo, | |
| workflow_id: 'stats.yml', | |
| }); | |
| const runs = runsResponse.data.workflow_runs; | |
| runs.sort((a, b) => new Date(b.created_at).getTime() - new Date(a.created_at).getTime()); | |
| const run = runs[1]; | |
| if(!run) { | |
| core.setFailed('Could not find a succesful workflow run'); | |
| return; | |
| } | |
| console.log(run.id); | |
| core.setOutput('run-id', run.id); | |
| - name: Download previous build summary | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: brief_build_summary_${{ matrix.prInfo.number }} | |
| path: ./previous_build_logs | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| run-id: ${{ steps.find-workflow-run.outputs.run-id }} | |
| continue-on-error: true # Ignore errors if the file doesn't exist (first run) | |
| - name: Compare current build summary with the previous one | |
| id: build-comparison | |
| run: | | |
| if [ -f ./develop/brief_build_summary.log ]; then | |
| echo "Comparing current and previous build summaries..." | |
| if diff ./develop/brief_build_summary.log ./previous_build_logs/brief_build_summary.log > /dev/null; then | |
| echo "No changes detected; skipping comment." | |
| echo "skip_comment=true" >> $GITHUB_ENV | |
| else | |
| echo "Changes detected; proceeding with the comment." | |
| echo "skip_comment=false" >> $GITHUB_ENV | |
| fi | |
| else | |
| echo "No previous summary found; proceeding with the comment." | |
| echo "skip_comment=false" >> $GITHUB_ENV | |
| fi | |
| - name: Upload current build summary for future comparison | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: brief_build_summary_${{ matrix.prInfo.number }} | |
| path: ./develop/brief_build_summary.log | |
| # Reference: https://github.com/peter-evans/create-or-update-comment#setting-the-comment-body-from-a-file. | |
| # Also, for multi-line env values, see: https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings. | |
| - name: Extract reports for uploading & commenting | |
| env: | |
| PR_NUMBER: ${{ matrix.prInfo.number }} | |
| id: compute-comment-body | |
| run: | | |
| { | |
| echo 'comment_body<<EOF' | |
| cat $GITHUB_WORKSPACE/develop/brief_build_summary.log | |
| echo EOF | |
| } >> "$GITHUB_OUTPUT" | |
| FULL_BUILD_SUMMARY_FILE_NAME="full_build_summary_pr_$PR_NUMBER.log" | |
| FULL_BUILD_SUMMARY_FILE_PATH="$GITHUB_WORKSPACE/develop/$FULL_BUILD_SUMMARY_FILE_NAME" | |
| echo "FULL_BUILD_SUMMARY_FILE_NAME=$FULL_BUILD_SUMMARY_FILE_NAME" >> "$GITHUB_ENV" | |
| echo "FULL_BUILD_SUMMARY_FILE_PATH=$FULL_BUILD_SUMMARY_FILE_PATH" >> "$GITHUB_ENV" | |
| cp "$GITHUB_WORKSPACE/develop/full_build_summary.log" "$FULL_BUILD_SUMMARY_FILE_PATH" | |
| - name: Add build stats summary comment | |
| if: ${{ env.skip_comment == 'false' }} | |
| env: | |
| PR_NUMBER: ${{ matrix.prInfo.number }} | |
| uses: peter-evans/create-or-update-comment@v1 | |
| with: | |
| issue-number: ${{ env.PR_NUMBER }} | |
| body: ${{ steps.compute-comment-body.outputs.comment_body }} | |
| - uses: actions/upload-artifact@v4 | |
| with: | |
| name: ${{ env.FULL_BUILD_SUMMARY_FILE_NAME }} | |
| path: ${{ env.FULL_BUILD_SUMMARY_FILE_PATH }} |