From 1ef1ca9734db24d032d2bb2b30dbc766e0926091 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20K=C5=82obuszewski?= <danielmk@google.com>
Date: Tue, 9 Jul 2024 11:21:17 +0200
Subject: [PATCH] Script for finding Cluster Autoscaler OWNERS

---
 cluster-autoscaler/hack/list-owners.py | 40 ++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 cluster-autoscaler/hack/list-owners.py

diff --git a/cluster-autoscaler/hack/list-owners.py b/cluster-autoscaler/hack/list-owners.py
new file mode 100644
index 000000000000..7b37993b5825
--- /dev/null
+++ b/cluster-autoscaler/hack/list-owners.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+# Copyright 2024 The Kubernetes Authors.
+#
+# 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.
+
+""" Python script to list all OWNERS of various parts of Cluster Autoscaler.
+
+Traverse all subdirectories and find OWNERS. This is useful for tagging people
+on broad announcements, for instance before a new patch release.
+"""
+
+import glob
+import yaml
+import sys
+
+files = glob.glob('**/OWNERS', recursive=True)
+owners = set()
+
+for fname in files:
+  with open(fname) as f:
+    parsed = yaml.safe_load(f)
+    if 'approvers' in parsed and parsed['approvers'] is not None:
+      for approver in parsed['approvers']:
+        owners.add(approver)
+    else:
+      print("No approvers found in {}: {}".format(fname, parsed), file=sys.stderr)
+
+for owner in sorted(owners):
+  print('@', owner, sep='')