ci: fall back to local Bazel on forks without BuildBuddy key (#11359)

## Summary
- detect whether BUILDBUDDY_API_KEY is present in Bazel CI
- keep existing remote BuildBuddy path when key is available
- add a local fallback path for fork PRs without secrets by clearing
remote cache/executor/BES endpoints
- document each fallback flag inline with links to Bazel docs

## Testing
- ruby -e 'require "yaml";
YAML.load_file(".github/workflows/bazel.yml"); puts "ok"'
- verified Bazel docs/flag references used in workflow comments
This commit is contained in:
Josh McKinney 2026-02-10 15:19:55 -08:00 committed by GitHub
parent 1d47927aa0
commit 34fb4b6e63
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@ -103,9 +103,42 @@ jobs:
CODEX_BWRAP_ENABLE_FFI: ${{ contains(matrix.target, 'unknown-linux') && '1' || '0' }}
shell: bash
run: |
bazel $BAZEL_STARTUP_ARGS --bazelrc=.github/workflows/ci.bazelrc test //... \
--build_metadata=REPO_URL=https://github.com/openai/codex.git \
--build_metadata=COMMIT_SHA=$(git rev-parse HEAD) \
--build_metadata=ROLE=CI \
--build_metadata=VISIBILITY=PUBLIC \
"--remote_header=x-buildbuddy-api-key=$BUILDBUDDY_API_KEY"
bazel_args=(
test
//...
--build_metadata=REPO_URL=https://github.com/openai/codex.git
--build_metadata=COMMIT_SHA=$(git rev-parse HEAD)
--build_metadata=ROLE=CI
--build_metadata=VISIBILITY=PUBLIC
)
if [[ -n "${BUILDBUDDY_API_KEY:-}" ]]; then
echo "BuildBuddy API key is available; using remote Bazel configuration."
bazel $BAZEL_STARTUP_ARGS \
--bazelrc=.github/workflows/ci.bazelrc \
"${bazel_args[@]}" \
"--remote_header=x-buildbuddy-api-key=$BUILDBUDDY_API_KEY"
else
echo "BuildBuddy API key is not available; using local Bazel configuration."
# Keep fork/community PRs on Bazel but disable remote services that are
# configured in .bazelrc and require auth.
#
# Flag docs:
# - Command-line reference: https://bazel.build/reference/command-line-reference
# - Remote caching overview: https://bazel.build/remote/caching
# - Remote execution overview: https://bazel.build/remote/rbe
# - Build Event Protocol overview: https://bazel.build/remote/bep
#
# --noexperimental_remote_repo_contents_cache:
# disable remote repo contents cache enabled in .bazelrc startup options.
# https://bazel.build/reference/command-line-reference#startup_options-flag--experimental_remote_repo_contents_cache
# --remote_cache= and --remote_executor=:
# clear remote cache/execution endpoints configured in .bazelrc.
# https://bazel.build/reference/command-line-reference#common_options-flag--remote_cache
# https://bazel.build/reference/command-line-reference#common_options-flag--remote_executor
bazel $BAZEL_STARTUP_ARGS \
--noexperimental_remote_repo_contents_cache \
"${bazel_args[@]}" \
--remote_cache= \
--remote_executor=
fi