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fix: github actions' bazel cache #445

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Jul 29, 2025
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63 changes: 27 additions & 36 deletions .github/workflows/format.yml
Original file line number Diff line number Diff line change
Expand Up @@ -125,49 +125,40 @@ jobs:
- name: Install dependencies (Linux)
run: sudo apt update -y && sudo apt install -y clang-tidy-18 lld-18 && sudo ln -sf /usr/bin/lld-18 /usr/bin/lld

- name: Bazel cache
uses: PiotrSikora/cache@v2.1.7-with-skip-cache
- name: set cache name
id: vars
# The cache tag consists of the following parts:
# * clang-tidy- prefix
# * matrix.name, which separates the cache for each build type.
# * hash of WORKSPACE, .bazelrc, and .bazelversion, which is
# purely to differentiate caches for substantial changes in bazel.
# * github.sha, which is the commit hash of the commit used to generate
# the cache entry.
run: echo "CACHE_TAG=clang-tidy-${{ matrix.name }}-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion') }}" >> "$GITHUB_OUTPUT"

- name: bazel cache
uses: actions/cache/restore@v3
with:
path: |
~/.cache/bazel
key: clang_tidy-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion', 'bazel/dependencies.bzl', 'bazel/repositories.bzl', 'bazel/cargo/wasmsign/remote/crates.bzl') }}
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
restore-keys: |
${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
${{ steps.vars.outputs.CACHE_TAG }}-
clang-tidy-${{ matrix.name }}-
clang-tidy-
- name: Bazel build
run: >
bazel build
--config clang-tidy
--define engine=multi
--disk_cache /tmp/bazel/cache
--copt=-DPROXY_WASM_VERIFY_WITH_ED25519_PUBKEY=\"$(xxd -p -c 256 test/test_data/signature_key1.pub | cut -b9-)\"
//...
- name: Skip Bazel cache update
if: ${{ github.ref != 'refs/heads/main' }}
run: echo "CACHE_SKIP_SAVE=true" >> $GITHUB_ENV

- name: Cleanup Bazel cache
if: ${{ github.ref == 'refs/heads/main' }}
run: |
export OUTPUT=$(${{ matrix.run_under }} bazel info output_base)
echo "===== BEFORE ====="
du -s ${OUTPUT}/external/* $(dirname ${OUTPUT})/* | sort -rn | head -20
# BoringSSL's test data (90 MiB).
rm -rf ${OUTPUT}/external/boringssl/crypto_test_data.cc
rm -rf ${OUTPUT}/external/boringssl/src/crypto/*/test/
rm -rf ${OUTPUT}/external/boringssl/src/third_party/wycheproof_testvectors/
# LLVM's tests (500 MiB).
rm -rf ${OUTPUT}/external/llvm*/test/
# V8's tests (100 MiB).
if [ -d "${OUTPUT}/external/v8/test/torque" ]; then
mv ${OUTPUT}/external/v8/test/torque ${OUTPUT}/external/v8/test_torque
rm -rf ${OUTPUT}/external/v8/test/*
mv ${OUTPUT}/external/v8/test_torque ${OUTPUT}/external/v8/test/torque
fi
# Unnecessary CMake tools (65 MiB).
rm -rf ${OUTPUT}/external/cmake-*/bin/{ccmake,cmake-gui,cpack,ctest}
# Distfiles for Rust toolchains (350 MiB).
rm -rf ${OUTPUT}/external/rust_*/*.tar.gz
# Bazel's repository cache (650-800 MiB) and install base (155 MiB).
rm -rf ${OUTPUT}/../cache
rm -rf ${OUTPUT}/../install
echo "===== AFTER ====="
du -s ${OUTPUT}/external/* $(dirname ${OUTPUT})/* | sort -rn | head -20
- name: save bazel cache
uses: actions/cache/save@v3
if: always()
with:
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
114 changes: 53 additions & 61 deletions .github/workflows/test.yml
Original file line number Diff line number Diff line change
Expand Up @@ -48,19 +48,34 @@ jobs:
steps:
- uses: actions/checkout@v2

- name: Bazel cache
uses: PiotrSikora/cache@v2.1.7-with-skip-cache
- name: set cache name
id: vars
# The cache tag consists of the following parts:
# * test-deps-bazel-cache- prefix
# * hash of WORKSPACE, .bazelrc, and .bazelversion, which is
# purely to differentiate caches for substantial changes in bazel.
# * github.sha, which is the commit hash of the commit used to generate
# the cache entry.
run: echo "CACHE_TAG=test-deps-bazel-cache-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion') }}" >> "$GITHUB_OUTPUT"

- name: bazel cache
uses: actions/cache/restore@v3
with:
path: |
~/.cache/bazel
key: test_data-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion', 'bazel/dependencies.bzl', 'bazel/repositories.bzl', 'bazel/cargo/wasmsign/crates.bzl') }}
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
restore-keys: |
${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
${{ steps.vars.outputs.CACHE_TAG }}-
test-deps-bazel-cache-${{ matrix.name }}-
test-deps-bazel-cache-
- name: Bazel build
run: >
bazel build
--verbose_failures
--test_output=errors
--config=clang
--disk_cache /tmp/bazel/cache
-c opt
$(bazel query 'kind(was.*_rust_binary, //test/test_data/...)')
$(bazel query 'kind(_optimized_wasm_cc_binary, //test/test_data/...)')
Expand All @@ -84,19 +99,12 @@ jobs:
if-no-files-found: error
retention-days: 3

- name: Skip Bazel cache update
if: ${{ github.ref != 'refs/heads/main' }}
run: echo "CACHE_SKIP_SAVE=true" >> $GITHUB_ENV

- name: Cleanup Bazel cache
if: ${{ github.ref == 'refs/heads/main' }}
run: |
export OUTPUT=$(bazel info output_base)
# Distfiles for Rust toolchains (350 MiB).
rm -rf ${OUTPUT}/external/rust_*/*.tar.gz
# Bazel's repository cache (650-800 MiB) and install base (155 MiB).
rm -rf $(bazel info repository_cache)
rm -rf $(bazel info install_base)
- name: save bazel cache
uses: actions/cache/save@v3
if: always()
with:
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}

build:
name: ${{ matrix.action }} with ${{ matrix.name }}
Expand Down Expand Up @@ -282,21 +290,27 @@ jobs:
if: startsWith(matrix.run_under, 'docker')
run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes

- name: Set cache key
if: ${{ matrix.cache }}
run: echo "::set-output name=uniq::$(bazel query --output build //external:${{ matrix.repo }} | grep -E 'sha256|commit' | cut -d\" -f2)-$(echo ${{ matrix.flags }} | sha256sum)"
id: cache-key

- name: Bazel cache
if: ${{ matrix.cache }}
uses: PiotrSikora/cache@v2.1.7-with-skip-cache
- name: set cache name
id: vars
# The cache tag consists of the following parts:
# * bazel-cache- prefix
# * matrix.name, which separates the cache for each build type.
# * hash of WORKSPACE, .bazelrc, and .bazelversion, which is
# purely to differentiate caches for substantial changes in bazel.
# * github.sha, which is the commit hash of the commit used to generate
# the cache entry.
run: echo "CACHE_TAG=bazel-cache-${{ matrix.name }}-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion') }}" >> "$GITHUB_OUTPUT"

- name: bazel cache
uses: actions/cache/restore@v3
with:
path: |
~/.cache/bazel
/private/var/tmp/_bazel_runner/
key: ${{ matrix.arch }}-${{ matrix.os }}-${{ matrix.engine }}-${{ steps.cache-key.outputs.uniq }}-${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion', 'bazel/dependencies.bzl', 'bazel/repositories.bzl') }}
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
restore-keys: |
${{ matrix.arch }}-${{ matrix.os }}-${{ matrix.engine }}-${{ steps.cache-key.outputs.uniq }}-
${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}
${{ steps.vars.outputs.CACHE_TAG }}-
bazel-cache-${{ matrix.name }}-
bazel-cache-
- name: Download test data
uses: actions/download-artifact@v4
Expand All @@ -321,6 +335,7 @@ jobs:
--verbose_failures
--test_output=errors
--define engine=${{ matrix.engine }}
--disk_cache /tmp/bazel/cache
${{ matrix.flags }}
-- //test/... ${{ matrix.targets }}
Expand All @@ -332,38 +347,15 @@ jobs:
--verbose_failures
--test_output=errors
--define engine=${{ matrix.engine }}
--disk_cache /tmp/bazel/cache
${{ matrix.flags }}
--per_file_copt=src/signature_util.cc,test/signature_util_test.cc@-DPROXY_WASM_VERIFY_WITH_ED25519_PUBKEY=\"$(xxd -p -c 256 test/test_data/signature_key1.pub | cut -b9-)\"
//test:signature_util_test
- name: Skip Bazel cache update
if: ${{ matrix.cache && github.ref != 'refs/heads/main' }}
run: echo "CACHE_SKIP_SAVE=true" >> $GITHUB_ENV
- name: save bazel cache
uses: actions/cache/save@v3
if: always()
with:
path: /tmp/bazel/cache
key: ${{ steps.vars.outputs.CACHE_TAG }}-${{ github.sha }}

- name: Cleanup Bazel cache
if: ${{ matrix.cache && github.ref == 'refs/heads/main' }}
run: |
export OUTPUT=$(${{ matrix.run_under }} bazel info output_base)
echo "===== BEFORE ====="
du -s ${OUTPUT}/external/* $(dirname ${OUTPUT})/* | sort -rn | head -20
# BoringSSL's test data (90 MiB).
rm -rf ${OUTPUT}/external/boringssl/crypto_test_data.cc
rm -rf ${OUTPUT}/external/boringssl/src/crypto/*/test/
rm -rf ${OUTPUT}/external/boringssl/src/third_party/wycheproof_testvectors/
# LLVM's tests (500 MiB).
rm -rf ${OUTPUT}/external/llvm*/test/
# V8's tests (100 MiB).
if [ -d "${OUTPUT}/external/v8/test/torque" ]; then
mv ${OUTPUT}/external/v8/test/torque ${OUTPUT}/external/v8/test_torque
rm -rf ${OUTPUT}/external/v8/test/*
mv ${OUTPUT}/external/v8/test_torque ${OUTPUT}/external/v8/test/torque
fi
# Unnecessary CMake tools (65 MiB).
rm -rf ${OUTPUT}/external/cmake-*/bin/{ccmake,cmake-gui,cpack,ctest}
# Distfiles for Rust toolchains (350 MiB).
rm -rf ${OUTPUT}/external/rust_*/*.tar.gz
# Bazel's repository cache (650-800 MiB) and install base (155 MiB).
rm -rf ${OUTPUT}/../cache
rm -rf ${OUTPUT}/../install
echo "===== AFTER ====="
du -s ${OUTPUT}/external/* $(dirname ${OUTPUT})/* | sort -rn | head -20
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