persist go build cache

hugodutka · hugodutka · commit 8608245574d0 · 2025-04-30T12:54:37.000Z
diff --git a/.github/actions/setup-go/action.yaml b/.github/actions/setup-go/action.yaml
@@ -5,14 +5,17 @@ inputs:
   version:
     description: "The Go version to use."
     default: "1.24.2"
+  build-cache-path:
+    description: "The path to the build cache."
+    default: ""
+    required: false
 runs:
   using: "composite"
   steps:
     - name: Setup Go
       uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
       with:
         go-version: ${{ inputs.version }}
-
     - name: Install gotestsum
       shell: bash
       run: go install gotest.tools/gotestsum@latest
@@ -21,4 +24,11 @@ runs:
     # separate the "setup" from the "run" times.
     - name: go mod download
       shell: bash
-      run: go mod download -x
+      run: |
+        export BUILD_CACHE_PATH="${{ inputs.build-cache-path }}"
+        if [ -n "${BUILD_CACHE_PATH}" ]; then
+          export ABSOLUTE_PATH="$(realpath ${BUILD_CACHE_PATH})"
+          mkdir -p "${ABSOLUTE_PATH}"
+          export GOCACHE="${ABSOLUTE_PATH}"
+        fi
+        go mod download -x
diff --git a/.github/actions/test-cache/upload/action.yml b/.github/actions/test-cache/upload/action.yml
@@ -9,11 +9,15 @@ inputs:
     required: true
     # This path is defined in testutil/cache.go
     default: "~/.cache/coderv2-test"
+  override-condition:
+    description: "Override condition"
+    required: false
+    default: "false"
 runs:
   using: "composite"
   steps:
     - name: Upload test cache
-      if: ${{ github.ref == 'refs/heads/main' }}
+      if: ${{ github.ref == 'refs/heads/main' || inputs.override-condition == 'true' }}
       uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
       with:
         path: ${{ inputs.cache-path }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -313,7 +313,7 @@ jobs:
         run: ./scripts/check_unstaged.sh
 
   test-go:
-    runs-on: ${{ matrix.os == 'ubuntu-latest' && github.repository_owner == 'coder' && 'depot-ubuntu-22.04-4' || matrix.os == 'macos-latest' && github.repository_owner == 'coder' && 'depot-macos-latest' || matrix.os == 'windows-2022' && github.repository_owner == 'coder' && 'windows-latest-16-cores' || matrix.os }}
+    runs-on: ${{ matrix.os == 'ubuntu-latest' && github.repository_owner == 'coder' && 'depot-ubuntu-22.04-4' || matrix.os == 'macos-latest' && github.repository_owner == 'coder' && 'depot-macos-latest' || matrix.os == 'windows-2022' && github.repository_owner == 'coder' && 'depot-windows-2022-16' || matrix.os }}
     needs: changes
     if: needs.changes.outputs.go == 'true' || needs.changes.outputs.ci == 'true' || github.ref == 'refs/heads/main'
     timeout-minutes: 20
@@ -337,6 +337,8 @@ jobs:
 
       - name: Setup Go
         uses: ./.github/actions/setup-go
+        with:
+          build-cache-path: ~/.cache/go-build
 
       - name: Setup Terraform
         uses: ./.github/actions/setup-tf
@@ -347,6 +349,14 @@ jobs:
         with:
           key-prefix: test-go-${{ runner.os }}-${{ runner.arch }}
 
+      - name: Download Go Build Cache
+        id: download-go-build-cache
+        uses: ./.github/actions/test-cache/download
+        if: runner.os == 'Windows'
+        with:
+          key-prefix: test-go-${{ runner.os }}-${{ runner.arch }}-golang
+          cache-path: "~/.cache/go-build"
+
       - name: Test with Mock Database
         id: test
         shell: bash
@@ -368,6 +378,7 @@ jobs:
             touch ~/.bash_profile && echo "export BASH_SILENCE_DEPRECATION_WARNING=1" >> ~/.bash_profile
           fi
           export TS_DEBUG_DISCO=true
+          export GOCACHE="$(realpath ~/.cache/go-build)"
           gotestsum --junitfile="gotests.xml" --jsonfile="gotests.json" \
             --packages="./..." -- $PARALLEL_FLAG -short -failfast
 
@@ -376,6 +387,14 @@ jobs:
         with:
           cache-key: ${{ steps.download-cache.outputs.cache-key }}
 
+      - name: Upload Go Build Cache
+        if: runner.os == 'Windows'
+        uses: ./.github/actions/test-cache/upload
+        with:
+          cache-key: ${{ steps.download-go-build-cache.outputs.cache-key }}
+          cache-path: "~/.cache/go-build"
+          override-condition: "true"
+
       - name: Upload test stats to Datadog
         timeout-minutes: 1
         continue-on-error: true
