Adding release notes action

Author: MaciejKaras

.github/actions/setup-ubuntu-host/action.yml

@@ -0,0 +1,24 @@
+name: 'Setup Ubuntu Runner Host'
+inputs:
+  python-version:
+    description: 'Python version to use'
+    required: true
+    default: '3.13'
+runs:
+  using: "composite"
+  steps:
+    - name: Check out repository code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: '0'
+    - name: setup python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{inputs.python-version}}
+        cache: 'pip' # caching pip dependencies
+    - name: Install dependencies
+      shell: bash
+      run: |
+        sudo apt-get install libldap2-dev libsasl2-dev # Required for python-ldap
+        pip install --upgrade pip
+        pip install -r requirements.txt

.github/workflows/preview_release_notes.yml

@@ -0,0 +1,28 @@
+name: Preview Release Notes
+on:
+  push:
+    branches:
+      - master
+      - release-*
+  pull_request:
+    branches:
+      - master
+      - release-*
+
+jobs:
+  preview_release_notes:
+    name: Preview Release Notes
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup host
+        uses: ./.github/actions/setup-ubuntu-host
+        with:
+          python-version: '${{ vars.PYTHON_VERSION }}'
+      - name: Generate Release Notes
+        id: generate_release_notes
+        run: python -m scripts.release.release_notes -s $INITIAL_COMMIT_SHA -v $INITIAL_VERSION -o release_notes_tmp.md
+        env:
+          INITIAL_COMMIT_SHA: ${{ vars.RELEASE_INITIAL_COMMIT_SHA }}
+          INITIAL_VERSION: ${{ vars.RELEASE_INITIAL_VERSION }}
+      - name: Summarize results
+        run: echo $(cat release_notes_tmp.md) >> $GITHUB_STEP_SUMMARY

.github/workflows/require_changelog.yml

@@ -11,24 +11,15 @@ on:
 
 jobs:
   validate-changelog:
+    name: Check for valid changelog entry in Pull Request
     runs-on: ubuntu-latest
     steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
+      - name: Setup host
+        uses: ./.github/actions/setup-ubuntu-host
         with:
-          fetch-depth: '0'
-      - name: setup python
-        uses: actions/setup-python@v5
-        with:
-          python-version: 3.13 # Make this env var
-          cache: 'pip' # caching pip dependencies
-      - name: Install dependencies
-        run: |
-          sudo apt-get install libldap2-dev libsasl2-dev # Required for python-ldap
-          pip install --upgrade pip
-          pip install -r requirements.txt
+          python-version: '${{ vars.PYTHON_VERSION }}'
       - name: Check if changelog entry file was added in this PR
-        run: python -m scripts.release.check_changelog --base-sha "$BASE_SHA" --fail-on-no-changes $FAIL_ON_NO_CHANGES
+        run: python -m scripts.release.check_changelog -b $BASE_SHA -f $FAIL_ON_NO_CHANGES >> $GITHUB_STEP_SUMMARY
         env:
           BASE_SHA: ${{ github.event.pull_request.base.sha }}
           FAIL_ON_NO_CHANGES: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-changelog') }}

scripts/release/check_changelog.py

@@ -41,7 +41,7 @@ def str2bool(v):
         help=f"Path to the changelog directory relative to the repository root. Default is '{DEFAULT_CHANGELOG_PATH}'",
     )
     parser.add_argument(
-        "-t",
+        "-b",
         "--base-sha",
         metavar="",
         action="store",