Add grpc-tools build GitHub Workflow

.github/workflows/grpc-tools-build.yml

@@ -0,0 +1,66 @@
+name: grpc-tools Build
+
+on:
+  push:
+    branches:
+      - master
+  pull-request:
+    branches:
+      - master
+
+jobs:
+  linux_build:
+    name: Linux grpc-tools Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Build
+        run: |
+          docker build -t kokoro-native-image tools/release/native
+          docker run -v /var/run/docker.sock:/var/run/docker.sock -v $GITHUB_WORKSPACE:$GITHUB_WORKSPACE kokoro-native-image $GITHUB_WORKSPACE/packages/grpc-tools/build_binaries.sh
+      - uses: actions/upload-artifact@v2
+        with:
+          name: grpc-tools_linux
+          path: artifacts/
+  macos_build:
+    name: Macos grpc-tools Build
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Build
+        run: packages/grpc-tools/build_binaries.sh
+      - uses: actions/upload-artifact@v2
+        with:
+          name: grpc-tools_macos
+          path: artifacts/
+  windows_build:
+    name: Windows grpc-tools Build
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Build
+        run: packages/grpc-tools/build_binaries.ps1
+      - uses: actions/upload-artifact@v2
+        with:
+          name: grpc-tools_windows
+          path: artifacts/
+  combine_artifacts:
+    name: Combine grpc-tools artifacts
+    runs-on: ubuntu-latest
+    needs: [linux_build, macos_build, windows_build]
+    steps:
+      - uses: actions/download-artifact@v2
+      - name: Copy
+        run: |
+          mkdir artifacts
+          cp -r ./**/* artifacts/
+      - uses: actions/upload-artifact@v2
+        with:
+          name: combined-artifacts
+          path: artifacts/

packages/grpc-tools/build_binaries.ps1

@@ -37,7 +37,7 @@ MkDir-p ($Base + "/build/bin")
 $PackageFile = $Base + "/package.json"
 $ToolsVersion = ((Get-Content $PackageFile) -join "`n" | ConvertFrom-Json).version
 
-$OutDir = $Env:ARTIFACTS_OUT + "/grpc-tools/v" + $ToolsVersion
+$OutDir = $Base + "/../../artifacts/grpc-tools/v" + $ToolsVersion
 Mkdir-p $OutDir
 
 $ArchList = "ia32","x64"

packages/grpc-tools/build_binaries.sh

@@ -23,8 +23,8 @@ protobuf_base=$base/deps/protobuf
 
 tools_version=$(jq '.version' < package.json | tr -d '"')
 
-# Note: $ARTIFACTS_OUT should not be in this directory
-out_dir=$ARTIFACTS_OUT/grpc-tools/v$tools_version
+# Note: artifacts should not be output in the package directory
+out_dir=$base/../../artifacts/grpc-tools/v$tools_version
 mkdir -p "$out_dir"
 
 case $(uname -s) in