add dd-build workflow to build + release artifacts

.github/workflows/dd-build.yaml

@@ -0,0 +1,129 @@
+name: Build and Push etcd releases
+
+on:
+  push:
+    # Sequence of patterns matched against refs/heads
+    tags:
+    # Push events on datadog tags
+    - "*-dd*"
+permissions: write-all
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Set release version environment variable
+      run: echo RELEASE_VERSION=${GITHUB_REF#refs/tags/} >> $GITHUB_ENV
+      env:
+        GITHUB_REF: ${{ github.ref }}
+    - name: Build etcd
+      run: REPOSITORY=https://github.com/${{ env.GITHUB_REPOSITORY}}.git ./scripts/build-binary ${{ env.RELEASE_VERSION }}
+      env:
+        GITHUB_REPOSITORY: ${{ github.repository }}
+    - name: Calculate checksums
+      id: calculate_checksums
+      shell: bash
+      working-directory: release/
+      run: ls . | grep -E '\.tar.gz$|\.zip$' | xargs shasum -a 256 > ./SHA256SUMS
+    - uses: actions/upload-artifact@v4
+      with:
+        name: etcd_output
+        path: release/
+  release:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    needs: build
+    outputs:
+      upload_url: ${{ steps.create_release_branch.outputs.upload_url }}${{ steps.create_release_tags.outputs.upload_url }}
+    steps:
+    - name: Extract branch name
+      shell: bash
+      run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+      id: extract_branch
+      env:
+        GITHUB_REF: ${{ github.ref }}
+      if: startsWith(github.ref, 'refs/heads/')
+    - name: Create Release for Branch
+      id: create_release_branch
+      uses: softprops/action-gh-release@v2
+      if: startsWith(github.ref, 'refs/heads/')
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        name: branch@${{ steps.extract_branch.outputs.branch  }}
+        tag_name: branch@${{ steps.extract_branch.outputs.branch  }}
+        draft: false
+        prerelease: false
+    - name: Extract tags name
+      shell: bash
+      run: echo "##[set-output name=tags;]$(echo ${GITHUB_REF#refs/tags/})"
+      id: extract_tags
+      env:
+        GITHUB_REF: ${{ github.ref }}
+      if: startsWith(github.ref, 'refs/tags/')
+    - name: Create Release for Tags
+      id: create_release_tags
+      uses: softprops/action-gh-release@v2
+      if: ${{ startsWith(github.ref, 'refs/tags/') }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        name: ${{ steps.extract_tags.outputs.tags }}
+        tag_name: ${{ steps.extract_tags.outputs.tags }}
+        release_name: ${{ steps.extract_tags.outputs.tags }}
+        draft: false
+        prerelease: false
+  releaseassetsarm:
+    runs-on: ubuntu-latest
+    needs: release
+    strategy:
+      matrix:
+        platform: ["linux-arm64","linux-amd64"]
+        extension: ["tar.gz"]
+    steps:
+    - uses: actions/download-artifact@v4
+      with:
+        name: etcd_output
+        path: _output/release-tars
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Set release version environment variable
+      run: echo RELEASE_VERSION=${GITHUB_REF#refs/tags/} >> $GITHUB_ENV
+      env:
+        GITHUB_REF: ${{ github.ref }}
+    - name: Display structure of downloaded files
+      run: ls -R
+      working-directory: _output
+    - name: Upload Release Asset
+      id: upload-release-asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ needs.release.outputs.upload_url }}
+        asset_path: ./_output/release-tars/etcd-${{ env.RELEASE_VERSION }}-${{ matrix.platform }}.${{ matrix.extension }}
+        asset_name: etcd-${{ env.RELEASE_VERSION }}-${{ matrix.platform }}.${{ matrix.extension }}
+        asset_content_type: application/tar+gzip
+  addchecksum:
+    runs-on: ubuntu-latest
+    needs: release
+    steps:
+    - uses: actions/download-artifact@v4
+      with:
+        name: etcd_output
+        path: _output/checksums
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+    - name: Upload checksums
+      id: upload-checksums
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ needs.release.outputs.upload_url }}
+        asset_path: ./_output/checksums/SHA256SUMS
+        asset_name: SHA256SUMS
+        asset_content_type: text/plain