Stats Checks & Reports #92
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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 | |
# 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 | |
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@v2 | |
with: | |
name: ${{ env.FULL_BUILD_SUMMARY_FILE_NAME }} | |
path: ${{ env.FULL_BUILD_SUMMARY_FILE_PATH }} |