Stats Checks & Reports #15
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# 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 }} |