[workflow] added workflow to auto draft the release post (#1144)

.github/workflows/draft_github_release_post.yml

@@ -0,0 +1,42 @@
+name: Draft GitHub Release Post
+
+on:
+  workflow_dispatch:
+  pull_requests:
+    paths:
+      - 'version.txt'
+    types:
+      - closed
+
+
+jobs:
+  release:
+    name: Draft Release Post
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v2
+      with:
+        python-version: '3.7.12'
+      - name: generate draft
+        id: generate_draft
+        run: |
+          version=v$(cat version.txt)
+          pip install requests
+          python ./.github/workflows/scripts/generate_release_draft.py --out $PWD/release_draft.md --version $version
+          echo "::set-output name=version::$version"
+          echo "::set-output name=path::$PWD/release_draft.md"
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ steps.generate_draft.outputs.version }}
+          release_name: Version ${{ steps.generate_draft.outputs.version }} Release Today!
+          body_path: ${{ steps.generate_draft.outputs.path }}
+          draft: True
+          prerelease: false
+        

.github/workflows/scripts/generate_release_draft.py

@@ -13,6 +13,7 @@ TAGS_API = 'https://api.github.com/repos/hpcaitech/ColossalAI/tags'
 def parse_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('--out', type=str, help='output path for the release draft', required=True)
+    parser.add_argument('--version', type=str, help='current version to release', required=True)
     return parser.parse_args()
 
 
@@ -97,6 +98,7 @@ def generate_release_post_markdown(current_version, last_version, release_info):
 
 
 if __name__ == '__main__':
+    args = parse_args()
     token = os.environ['GITHUB_API_TOKEN']
     headers = {'Authorization': token}
 
@@ -111,10 +113,9 @@ if __name__ == '__main__':
 
     # collate into markdown
     release_info = collate_release_info(commit_info)
-    markdown_text = generate_release_post_markdown('v0.1.7', last_version, release_info)
+    markdown_text = generate_release_post_markdown(args.version, last_version, release_info)
 
     # write into a file
-    args = parse_args()
     with open(args.out, 'w') as f:
         for line in markdown_text:
             f.write(line)