[promptflow][fundamental] Update create tag workflow to also create a…

… release (#1082)

# Description

Update workflow [Create promptflow release
tag](https://github.com/microsoft/promptflow/actions/workflows/create_promptflow_release_tag.yml)
to also create a release for promptflow, which will be shown in
[Releases](https://github.com/microsoft/promptflow/releases) page.

# All Promptflow Contribution checklist:
- [x] **The pull request does not introduce [breaking changes].**
- [ ] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [x] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [ ] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [x] Title of the pull request is clear and informative.
- [x] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.

.github/workflows/create_promptflow_release_tag.yml

@@ -2,6 +2,11 @@ name: Create promptflow release tag
 
 on:
   workflow_dispatch:
+    inputs:
+      release_version:
+        description: "Release version"
+        required: true
+        type: string
 
 jobs:
   create_release_tag:
@@ -11,6 +16,7 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v2
+
       - name: create branch
         run: |
           set -x -e
@@ -39,3 +45,41 @@ jobs:
 
           git tag promptflow_$release_version
           git push origin --tags
+
+          # write environment variable to `GITHUB_ENV` to pass values between steps
+          # https://docs.github.com/en/github-ae@latest/actions/learn-github-actions/variables#passing-values-between-steps-and-jobs-in-a-workflow
+          echo "release_version=$release_version" >> "$GITHUB_ENV"
+          echo "release_tag=$release_tag" >> "$GITHUB_ENV"
+
+      - name: create asset
+        run: |
+          cd src
+          tar -czvf promptflow-$release_version.tar.gz promptflow
+
+      - name: create release note
+        run: |
+          cp ./scripts/release/promptflow-release-note.md ./src/promptflow/release_note.md
+          sed -i "s/{{VERSION}}/$release_version/g" ./src/promptflow/release_note.md
+          cat ./src/promptflow/release_note.md
+
+      - name: create release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: promptflow_${{ inputs.release_version }}
+          release_name: promptflow ${{ inputs.release_version }}
+          body_path: ./src/promptflow/release_note.md
+          draft: false
+          prerelease: false
+
+      - name: upload asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./src/promptflow-${{ inputs.release_version }}.tar.gz
+          asset_name: promptflow-${{ inputs.release_version }}.tar.gz
+          asset_content_type: application/gzip

scripts/release/promptflow-release-note.md

@@ -0,0 +1,15 @@
+We are pleased to announce the release of promptflow {{VERSION}}.
+
+This release includes some new features, bug fixes, and improvements. We recommend that all users upgrade to this version.
+
+See the [CHANGELOG](https://github.com/microsoft/promptflow/blob/release/promptflow/{{VERSION}}/src/promptflow/CHANGELOG.md) for a list of all the changes.
+
+The release will be available via PyPI:
+
+```bash
+pip install --upgrade promptflow
+```
+
+Please report any issues with the release on the [promptflow issue tracker](https://github.com/microsoft/promptflow/issues).
+
+Thanks to all the contributors who made this release possible.