ci: add automated tests for reproducible builds (#1914)

* ci: reproducible builds test
* deps: upgrade actionlint to support macos-13 runners

.github/actions/setup_bazel/action.yml

@@ -3,7 +3,7 @@ description: Setup Bazel for CI builds and tests
 
 inputs:
   useCache:
-    description: "Cache Bazel artifacts. Use 'true' to enable with rw, 'readonly' to download, and 'false' to disable."
+    description: "Cache Bazel artifacts. Use 'true' to enable with rw, 'readonly' to download, 'log' to disable cache but upload logs, and 'false' to disable."
     default: "false"
     required: true
   buildBuddyApiKey:
@@ -17,11 +17,11 @@ runs:
       shell: bash
       run: |
         echo "::group::Check inputs"
-        if [[ "${{ inputs.useCache }}" != "true" && "${{ inputs.useCache }}" != "readonly" && "${{ inputs.useCache }}" != "false" ]]; then
+        if [[ "${{ inputs.useCache }}" != "true" && "${{ inputs.useCache }}" != "readonly" && "${{ inputs.useCache }}" != "logs" && "${{ inputs.useCache }}" != "false" ]]; then
           echo "Invalid value for 'useCache' input: '${{ inputs.useCache }}'. Must be 'true', 'readonly', or 'false'."
           exit 1
         fi
-        if [[ "${{ inputs.useCache }}" == "true" || "${{ inputs.useCache }}" == "readonly" ]] && [[ -z "${{ inputs.buildBuddyApiKey }}" ]]; then
+        if [[ "${{ inputs.useCache }}" == "true" || "${{ inputs.useCache }}" == "readonly" || "${{ inputs.useCache }}" == "logs" ]] && [[ -z "${{ inputs.buildBuddyApiKey }}" ]]; then
           echo "BuildBuddy API key is required when cache is enabled."
           exit 1
         fi
@@ -69,6 +69,7 @@ runs:
 
     - name: Configure Bazel (readonly)
       shell: bash
+      if: inputs.useCache == 'readonly'
       env:
         WORKSPACE: ${{ github.workspace }}
       run: |
@@ -76,6 +77,22 @@ runs:
         echo "build --remote_upload_local_results=false" >> "${WORKSPACE}/.bazeloverwriterc"
         echo "::endgroup::"
 
+    - name: Configure Bazel (logs)
+      shell: bash
+      if: inputs.useCache == 'logs'
+      env:
+        BUILDBUDDY_ORG_API_KEY: ${{ inputs.buildBuddyApiKey }}
+        WORKSPACE: ${{ github.workspace }}
+      run: |
+        echo "::group::Configure Bazel"
+        cat <<EOF >> "${WORKSPACE}/.bazeloverwriterc"
+        build --bes_results_url=https://app.buildbuddy.io/invocation/
+        build --bes_backend=grpcs://remote.buildbuddy.io
+        build --remote_header=x-buildbuddy-api-key=${BUILDBUDDY_ORG_API_KEY}
+        build --nolegacy_important_outputs
+        EOF
+        echo "::endgroup::"
+
     - name: Disable disk cache on GitHub Actions runners
       shell: bash
       env:

.github/workflows/reproducible-builds.yml

@@ -0,0 +1,99 @@
+# Build Constellation CLI and check for reproducible builds
+name: Reproducible Builds
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "45 06 * * 1" # Every Monday at 6:45am
+
+jobs:
+  build-binaries:
+    strategy:
+        fail-fast: false
+        matrix:
+          target:
+            - "cli_enterprise_darwin_amd64"
+            - "cli_enterprise_darwin_arm64"
+            - "cli_enterprise_linux_amd64"
+            - "cli_enterprise_linux_arm64"
+            - "cli_enterprise_windows_amd64"
+          runner: ["ubuntu-22.04", "macos-13"]
+    env:
+        bazel_target: "//cli:${{ matrix.target }}"
+        binary: "${{ matrix.target }}-${{ matrix.runner }}"
+    runs-on: ${{ matrix.runner }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+        with:
+          ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}
+
+      - name: Setup bazel
+        uses: ./.github/actions/setup_bazel
+        with:
+          useCache: "logs"
+          buildBuddyApiKey: ${{ secrets.BUILDBUDDY_ORG_API_KEY }}
+
+      - name: Install current Bash on macOS
+        if: runner.os == 'macOS'
+        run: brew install bash
+
+      - name: Build
+        shell: bash
+        run: bazel build "${bazel_target}"
+
+      - name: Copy
+        shell: bash
+        run: cp "$(bazel cquery --output=files "${bazel_target}")" "${binary}"
+
+      - name: Collect hash (linux)
+        shell: bash
+        if: runner.os == 'Linux'
+        run: sha256sum "${binary}" | tee "${binary}.sha256"
+
+      - name: Collect hash (macOS)
+        shell: bash
+        if: runner.os == 'macOS'
+        run: shasum -a 256 "${binary}" | tee "${binary}.sha256"
+
+      - name: Upload binary artifact
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        with:
+          name: "binaries-${{ matrix.target }}"
+          path: "${{ env.binary }}"
+
+      - name: Upload hash artifact
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        with:
+          name: "sha256sums"
+          path: "${{ env.binary }}.sha256"
+
+  compare:
+    needs: build-binaries
+    strategy:
+        fail-fast: false
+        matrix:
+            target:
+            - "cli_enterprise_darwin_amd64"
+            - "cli_enterprise_darwin_arm64"
+            - "cli_enterprise_linux_amd64"
+            - "cli_enterprise_linux_arm64"
+            - "cli_enterprise_windows_amd64"
+    runs-on: ubuntu-22.04
+    steps:
+        - name: Download binaries
+          uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3.0.2
+          with:
+            name: "binaries-${{ matrix.target }}"
+
+        - name: Hash
+          shell: bash
+          if: runner.os == 'Linux'
+          run: sha256sum cli_enterprise*
+
+        - name: Compare binaries
+          shell: bash
+          run: |
+            # shellcheck disable=SC2207,SC2116
+            list=($(echo "cli_enterprise*"))
+            diff -s --to-file="${list[0]}" "${list[@]:1}" | tee "${GITHUB_STEP_SUMMARY}"

bazel/toolchains/ci_deps.bzl

@@ -97,41 +97,41 @@ def _actionlint_deps():
         name = "com_github_rhysd_actionlint_linux_amd64",
         build_file_content = """exports_files(["actionlint"], visibility = ["//visibility:public"])""",
         urls = [
-            "https://cdn.confidential.cloud/constellation/cas/sha256/3c5818744143a5d6754edd3dcc4c2b32c9dfcdd3bb30e0e108fb5e5c505262d4",
+            "https://cdn.confidential.cloud/constellation/cas/sha256/80a54660e73ad55a0818372bdaa0dced82eb86f618e6bf1621e73f099e61c027",
-            "https://github.com/rhysd/actionlint/releases/download/v1.6.24/actionlint_1.6.24_linux_amd64.tar.gz",
+            "https://github.com/rhysd/actionlint/releases/download/v1.6.25/actionlint_1.6.25_linux_amd64.tar.gz",
         ],
         type = "tar.gz",
-        sha256 = "3c5818744143a5d6754edd3dcc4c2b32c9dfcdd3bb30e0e108fb5e5c505262d4",
+        sha256 = "80a54660e73ad55a0818372bdaa0dced82eb86f618e6bf1621e73f099e61c027",
     )
     http_archive(
         name = "com_github_rhysd_actionlint_linux_arm64",
         build_file_content = """exports_files(["actionlint"], visibility = ["//visibility:public"])""",
         urls = [
-            "https://cdn.confidential.cloud/constellation/cas/sha256/93cc9d1f4a01f0658423b41ecf3bd8c17c619003ec683be8bac9264d0361d0d8",
+            "https://cdn.confidential.cloud/constellation/cas/sha256/8bedeea8ed636891fd7351fa7ccbc75fdb5bee6efde5320162f712e8457e73ea",
-            "https://github.com/rhysd/actionlint/releases/download/v1.6.24/actionlint_1.6.24_linux_arm64.tar.gz",
+            "https://github.com/rhysd/actionlint/releases/download/v1.6.25/actionlint_1.6.25_linux_arm64.tar.gz",
         ],
         type = "tar.gz",
-        sha256 = "93cc9d1f4a01f0658423b41ecf3bd8c17c619003ec683be8bac9264d0361d0d8",
+        sha256 = "8bedeea8ed636891fd7351fa7ccbc75fdb5bee6efde5320162f712e8457e73ea",
     )
     http_archive(
         name = "com_github_rhysd_actionlint_darwin_amd64",
         build_file_content = """exports_files(["actionlint"], visibility = ["//visibility:public"])""",
         urls = [
-            "https://cdn.confidential.cloud/constellation/cas/sha256/ce9dd9653700e3ed00464dffddd3e2a61358cf96425f2f3dff840dfc1e105eab",
+            "https://cdn.confidential.cloud/constellation/cas/sha256/30d69622ff9fbf564081515bf7d20538f2cb590150ef0c69fdcc56fa23fe85f1",
-            "https://github.com/rhysd/actionlint/releases/download/v1.6.24/actionlint_1.6.24_darwin_amd64.tar.gz",
+            "https://github.com/rhysd/actionlint/releases/download/v1.6.25/actionlint_1.6.25_darwin_amd64.tar.gz",
         ],
         type = "tar.gz",
-        sha256 = "ce9dd9653700e3ed00464dffddd3e2a61358cf96425f2f3dff840dfc1e105eab",
+        sha256 = "30d69622ff9fbf564081515bf7d20538f2cb590150ef0c69fdcc56fa23fe85f1",
     )
     http_archive(
         name = "com_github_rhysd_actionlint_darwin_arm64",
         build_file_content = """exports_files(["actionlint"], visibility = ["//visibility:public"])""",
         urls = [
-            "https://cdn.confidential.cloud/constellation/cas/sha256/5477f8a5a4073ef086525a2512b2bf1201641cd544034ad0c66f329590638242",
+            "https://cdn.confidential.cloud/constellation/cas/sha256/9153ebe7be2a33c9047e60aeb0d8d7b831b22fe99bbea63d365500c68245d6df",
-            "https://github.com/rhysd/actionlint/releases/download/v1.6.24/actionlint_1.6.24_darwin_arm64.tar.gz",
+            "https://github.com/rhysd/actionlint/releases/download/v1.6.25/actionlint_1.6.25_darwin_arm64.tar.gz",
         ],
         type = "tar.gz",
-        sha256 = "5477f8a5a4073ef086525a2512b2bf1201641cd544034ad0c66f329590638242",
+        sha256 = "9153ebe7be2a33c9047e60aeb0d8d7b831b22fe99bbea63d365500c68245d6df",
     )
 
 def _gofumpt_deps():