A very quick implementation of fail on labels

baldrick/plugins/github_block_labels.py

@@ -0,0 +1,37 @@
+from loguru import logger
+
+from baldrick.plugins.github_pull_requests import pull_request_handler
+
+BLOCKED_MESSAGE = 'This pull request is blocked from being merged by labels.'
+MERGEABLE_MESSAGE = 'This pull request is not blocked from being merged by labels.'
+
+@pull_request_handler
+def fail_check_labels(pr_handler, repo_handler):
+    """
+    Set a failing status if any labels in the config are set
+    """
+    bl_config = pr_handler.get_config_value("fail_check_labels", {})
+    if not bl_config.get('enabled', False):
+        logger.debug("Skipping fail label check plugin as disabled in config")
+        return
+
+    logger.debug(f"Checking for blocking labels on {pr_handler.repo}#{pr_handler.number}")
+
+    fail_message = bl_config.get("label_present_message", BLOCKED_MESSAGE)
+    pass_message = bl_config.get("label_absent_message", MERGEABLE_MESSAGE)
+
+    pr_labels = set(pr_handler.labels)
+    blocking_labels = set(cl_config.get('labels', [])
+
+    if pr_labels.intersection(blocking_labels):
+        return {'blocking_labels': {
+            'title': fail_message,
+            'conclusion': 'failure',
+            'summary': mc_config.get("label_present_message_long", '')
+        }}
+    else:
+        return {'blocking_labels': {
+            'title': pass_message,
+            'conclusion': 'success',
+            'summary': mc_config.get("label_absent_message_long", '')
+        }}