Add release automation on tag push

Signed-off-by: David Son <[email protected]>

.github/workflows/releases.yml

@@ -0,0 +1,106 @@
+name: Releases workflow
+
+on:
+  create:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+env:
+  GO_VERSION: '1.20.6'
+
+permissions:
+  contents: write
+  deployments: write
+
+jobs:
+  # TODO: Any way we can just call build.yml?
+  test:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - run: make
+      - run: make test
+
+  integration:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        containerd: ["1.6.19", "1.7.0"]
+    env:
+      DOCKER_BUILD_ARGS: "CONTAINERD_VERSION=${{ matrix.containerd }}"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.20.6'
+      - run: make integration
+
+  generate-artifacts:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v4
+    - name: Temp REMOVE BEFORE MERGING TO MAIN
+      run: touch THIRD_PARTY_LICENSES
+    - name: Setup and export variables
+      id: vars
+      run: |
+        export release_tag=${GITHUB_REF#refs/*/} # Strip down to raw tag name
+        export release_version=${release_tag/v/} # Remove v from tag name
+        echo "release_version=$release_version" >> $GITHUB_ENV
+
+        echo "dynamic_binary_name=soci-snapshotter-${{ env.release_version }}-linux-amd64.tar.gz" >> $GITHUB_ENV
+        echo "static_binary_name=soci-snapshotter-${{ env.release_version }}-linux-amd64-static.tar.gz" >> $GITHUB_ENV
+        
+        mkdir release
+    - name: Create dynamic binary
+      run: |
+        make build
+        cp NOTICE.md THIRD_PARTY_LICENSES out/
+        cd out/
+        tar -czvf ../release/${{ env.dynamic_binary_name }} *
+        cd ../
+        rm -rf out/
+    - name: Create static binary
+      run: |
+        make STATIC=1 build 
+        cp NOTICE.md THIRD_PARTY_LICENSES out/
+        cd out/
+        tar -czvf ../release/${{ env.static_binary_name }} *
+        cd ../
+        rm -rf out/
+    - name: Create sha256 checksums
+      run: |
+        cd release/
+        sha256sum ${{ env.dynamic_binary_name }} > ${{ env.dynamic_binary_name }}.sha256sum
+        sha256sum ${{ env.static_binary_name }} > ${{ env.static_binary_name }}.sha256sum
+    - uses: actions/upload-artifact@v3
+      with:
+        name: artifacts
+        path: release/
+        if-no-files-found: error
+
+    outputs:
+      dynamic_binary_name: ${{ env.dynamic_binary_name }}
+      static_binary_name: ${{ env.static_binary_name }}
+
+  create-release:
+    needs: generate-artifacts
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifacts
+      - uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          prerelease: false
+          generate_release_notes: true
+          files: |
+            ${{ needs.generate-artifacts.outputs.dynamic_binary_name }}
+            ${{ needs.generate-artifacts.outputs.dynamic_binary_name }}.sha256sum
+            ${{ needs.generate-artifacts.outputs.static_binary_name }}
+            ${{ needs.generate-artifacts.outputs.static_binary_name }}.sha256sum