Replace release label validation script (#235)

* Replace release label validation script

* Enchance logging

* Enchance logging

.github/workflows/create-release.yaml

@@ -42,10 +42,20 @@ jobs:
       - name: Check for existing artifacts from previous release runs
         run: "./scripts/check_artifacts_existence.sh ${{ inputs.name }}"
 
-      - name: Validate Labels
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          cache: 'pip'
+
+      - name: Install requirements
+        run: pip install -r scripts/python/requirements.txt
+
+      - name: Validate labels
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: ./scripts/label_validator.sh "RELEASE"
+          REPOSITORY: ${{ env.KYMA_ENVIRONMENT_BROKER_REPO }}
+        run: python3 scripts/python/release_label_validator.py
 
   bump-sec-scanners-config:
     name: Bump sec-scanners-config

scripts/python/release_label_validator.py

@@ -0,0 +1,52 @@
+import requests
+import os
+import yaml
+import sys
+
+with open('.github/release.yml', 'r') as file:
+    try:
+        release_yaml = yaml.safe_load(file)
+        label_pool = []
+        for category in release_yaml['changelog']['categories']:
+            label_pool.extend(category['labels'])
+    except yaml.YAMLError as exc:
+        print(exc)
+
+print(f"One of these labels is required on PR: {label_pool}")
+token = os.getenv('GITHUB_TOKEN')
+repo = os.getenv('REPOSITORY')
+
+response = requests.get(f'https://api.github.com/repos/{repo}/releases/latest', headers={'Authorization': f'token {token}'})
+response.raise_for_status()
+latest_release = response.json()
+latest_release_date = latest_release['created_at']
+
+response = requests.get(f'https://api.github.com/repos/{repo}/pulls?state=closed&sort=updated&direction=desc', headers={'Authorization': f'token {token}'})
+response.raise_for_status()
+all_closed_prs = response.json()
+
+prs_since_last_release = [
+    pr for pr in all_closed_prs
+    if pr['merged_at'] is not None and pr['merged_at'] > latest_release_date
+]
+
+valid_prs = []
+invalid_prs = []
+for pr in prs_since_last_release:
+    labels = [label['name'] for label in pr['labels']]
+    common_labels = set(labels).intersection(label_pool)
+    if len(common_labels) != 1:
+        invalid_prs.append(pr['html_url'])
+    else:
+        valid_prs.append(pr['html_url'])
+
+print("\nThese PRs have exactly one required label:")
+print('\n'.join([f"PR: {pr}" for pr in valid_prs]))
+
+
+if invalid_prs:
+    print("\nThese PRs don't have exactly one required label:")
+    print('\n'.join([f"PR: {pr}" for pr in invalid_prs]))
+    sys.exit(1) 
+
+print("\nAll PRs have exactly one required label")

scripts/python/requirements.txt

@@ -0,0 +1,2 @@
+pyyaml
+requests