From 0662d8d077561502b45d126318c750bf9cf35508 Mon Sep 17 00:00:00 2001
From: Vui Lam <vui@vmware.com>
Date: Fri, 7 Apr 2023 16:52:59 -0700
Subject: [PATCH] Add release workflow to produce gh release on tag

Signed-off-by: Vui Lam <vui@vmware.com>
---
 .github/workflows/release.yaml | 146 +++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 .github/workflows/release.yaml

diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 000000000..b67dd0850
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,146 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - "!not_activated_on_branches!*"
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-*"
+
+jobs:
+
+  build:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+    - name: Free some disk space on runner
+      run: |
+        df -h
+        sudo rm -rf /usr/share/dotnet
+        sudo rm -rf /opt/ghc
+        sudo rm -rf /usr/local/share/boost
+        sudo rm -rf /usr/lib/jvm
+        sudo rm -rf /usr/lib/firefox
+        sudo rm -rf /opt/microsoft/powershell
+        sudo rm -rf /opt/hostedtoolcache
+        echo "free space after cleanup:"
+        df -h
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.18
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v1
+
+    - name: Generate details for creating release notes
+      id: generate-release-details
+      shell: bash
+      run: |
+        set -o xtrace
+        RELEASE_BRANCH="main"
+        RELEASE_VERSION=${GITHUB_REF#refs/*/}
+        major=$(echo "$RELEASE_VERSION"  | sed 's/^v\(.*\)/\1/' | cut -d. -f1)
+        minor=$(echo "$RELEASE_VERSION" | cut -d. -f2)
+        revision=$(echo "$RELEASE_VERSION" | cut -d. -f3 | cut -d- -f1)
+        if [ "$revision" -gt 0 ];then
+          revision=$(($revision-1))
+          RELEASE_BRANCH="release-${major}.${minor}"
+        elif [ "$minor" -gt 0 ]; then
+          minor=$(($minor-1))
+        elif [ "$major" -gt 0 ]; then
+          major=$(($major-1))
+        else
+          echo "Please validate that the tag release version(${RELEASE_VERSION}) conforms to semver."
+          exit 1
+        fi
+        git log -3 --format=oneline
+        LAST_TAG="v${major}.${minor}.${revision}"
+        # remove after first release
+        LAST_TAG="v0.0.1"
+        echo "Last release tag - $LAST_TAG"
+        START_SHA=$(git rev-list -n 1 $LAST_TAG)
+        echo "Release note generator start SHA - $START_SHA"
+        END_SHA=$(git rev-list -n 1 $RELEASE_VERSION)
+        echo "Release note generator end SHA - $END_SHA"
+
+        echo "::set-output name=start-sha::$START_SHA"
+        echo "::set-output name=end-sha::$END_SHA"
+        echo "::set-output name=release-version::$RELEASE_VERSION"
+        echo "::set-output name=prev-release-version::$LAST_TAG"
+        echo "::set-output name=repo-name::$(echo '${{ github.repository }}' | awk -F '/' '{print $2}')"
+        echo "::set-output name=repo-org::$(echo '${{ github.repository }}' | awk -F '/' '{print $1}')"
+        echo "::set-output name=release-branch::$RELEASE_BRANCH"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Install release-note dependency
+      run: |
+        go install k8s.io/release/cmd/release-notes@v0.13.0
+
+    - name: Get Time
+      id: time
+      uses: nanzm/get-time-action@v1.1
+      with:
+        format: 'YYYYMMDDHHmmss'
+
+    - name: Generate release notes
+      id: get-release-notes
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        release-notes \
+            --github-base-url https://github.com \
+            --org ${{ steps.generate-release-details.outputs.repo-org }} \
+            --repo ${{ steps.generate-release-details.outputs.repo-name }} \
+            --branch ${{ steps.generate-release-details.outputs.release-branch }} \
+            --required-author "" \
+            --start-sha ${{ steps.generate-release-details.outputs.start-sha }} \
+            --end-sha ${{ steps.generate-release-details.outputs.end-sha }} \
+            --output /tmp/${{ steps.time.outputs.time }}-bin-notes
+
+    - name: Get Github Release notes
+      uses: octokit/request-action@v2.x
+      id: get-github-release-notes
+      with:
+        route: POST /repos/{owner}/{repo}/releases/generate-notes
+        owner: ${{ steps.generate-release-details.outputs.repo-org }}
+        repo: ${{ steps.generate-release-details.outputs.repo-name }}
+        tag_name: ${{ steps.generate-release-details.outputs.release-version }}
+        previous_tag_name: ${{ steps.generate-release-details.outputs.prev-release-version }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: 'Identify New Contributors Section'
+      id: get-new-contributors
+      run: |
+        githubOutput="/tmp/${{ steps.time.outputs.time }}-github-output"
+        echo "${{ fromJson(steps.get-github-release-notes.outputs.data).body }}" > "$githubOutput"
+
+    - name: Generate the release notes
+      shell: bash
+      run: |
+        NEW_CONTRIBUTORS=$(sed -n '/## New Contributors/,$p' /tmp/${{ steps.time.outputs.time }}-github-output)
+        RELEASE_TOOL_NOTES=$(sed 's/### Uncategorized/### Miscellaneous/g' /tmp/${{ steps.time.outputs.time }}-bin-notes)
+        RELEASE_NOTES=$(cat <<-END
+          $RELEASE_TOOL_NOTES
+
+          $NEW_CONTRIBUTORS
+        END
+        )
+        echo "$RELEASE_NOTES"
+        echo "RELEASE_NOTES<<EOF" >> $GITHUB_ENV
+        echo "$RELEASE_NOTES" >> $GITHUB_ENV
+        echo "EOF" >> $GITHUB_ENV
+
+    - id: create_draft_release
+      name: Create Draft Release
+      uses: softprops/action-gh-release@v1
+      with:
+        draft: true
+        body: ${{ env.RELEASE_NOTES }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}