publish-release.yaml

#
# Copyright (c) 2022 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

name: Publish release

on:
  push:
    tags:
    - v*

jobs:

  release:
    name: Publish release
    runs-on: ubuntu-latest
    steps:
    - name: Checkout the source
      uses: actions/checkout@v2

    - name: Setup Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.10'
        cache: 'pip'

    - name: Install Python modules
      run: pip install -r .github/workflows/requirements.txt

    - name: Create release
      shell: python
      run: |
        import re
        import requests
        import subprocess

        # Get the context and secret data that we will need:
        repository = "${{ github.repository }}"
        reference = "${{ github.ref }}"
        token = "${{ secrets.GITHUB_TOKEN }}"

        # Calculate the version number:
        version = re.sub(r"^refs/tags/v(.*)$", r"\1", reference)

        # Build and push the image:
        try:
            subprocess.run(
                args=[
                    "podman", "login",
                    "--username", "${{ secrets.QUAY_USER }}",
                    "--password", "${{ secrets.QUAY_TOKEN }}",
                    "quay.io",
                ],
                check=True,
            )
            subprocess.run(
                args=[
                    "make",
                    f"version={version}",
                    "image",
                    "push",
                ],
                check=True,
            )
        finally:
            subprocess.run(
                args=[
                    "podman", "logout",
                    "quay.io",
                ],
                check=True,
            )

        # Get the list of changes:
        body = ""
        with open("CHANGES.md", "r") as stream:
            while True:
                line = stream.readline()
                if line == "" or line.startswith("## " + version):
                    break
            while True:
                line = stream.readline()
                if line == "" or line.startswith("## "):
                    break
                body += line

        # Send the request to create the release:
        response = requests.post(
            headers={
                "Authorization": f"Bearer {token}",
                "Content-Type": "application/json",
                "Accept": "application/json",
            },
            json={
                "tag_name": f"v{version}",
                "name": f"Release {version}",
                "body": body,
            },
            url=(
                "https://api.github.com"
                f"/repos/{repository}/releases"
            ),
        )
        response.raise_for_status()