Add script to add/update webhook on gitlab

scripts/set-webook.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import re
+import os
+import requests
+import secrets
+import sys
+
+
+def die(s):
+    print(s, file=sys.stderr)
+    sys.exit(1)
+
+
+gitlab_token = os.getenv('GITLAB_TOKEN')
+if gitlab_token is None:
+    die("GITLAB_TOKEN must be set in the environment")
+
+if len(sys.argv) < 4:
+    die("Usage: {} GITLAB_INSTANCE HOOK_URL_BASE NAMESPACE/REPO\n\nExample: {} gitlab.example.com https://bot.example.com/bebot stuff/myrepo")
+
+gitlab_instance = sys.argv[1]
+hook_url = f"{sys.argv[2]}/hooks/gitlab"
+repo_name = sys.argv[3]
+
+gl_base = 'https://{}/api/v4/projects/{}/hooks'.format(
+    gitlab_instance,
+    re.sub('/', '%2F', repo_name)
+)
+headers = {
+    'authorization': 'Bearer {}'.format(gitlab_token),
+}
+payload = {
+    "merge_requests_events": True,
+    "pipeline_events": True,
+    "push_events": True,
+    "tag_push_events": True,
+}
+
+resp = requests.get(gl_base, headers=headers)
+if resp.status_code != 200:
+    resp.raise_for_status()
+existing = resp.json()
+
+for hook in existing:
+    if hook['url'] == hook_url:
+        upd_url = '{}/{}'.format(gl_base, hook['id'])
+        resp = requests.put(upd_url, headers=headers, json=payload)
+        print("Updated existing hook")
+        sys.exit(0)
+
+token = secrets.token_urlsafe(32)
+payload["url"] = hook_url
+payload["token"] = token
+resp = requests.post(gl_base, headers=headers, json=payload)
+resp.raise_for_status()
+print('  "{}/{}":'.format(gitlab_instance, repo_name))
+print('    token: "{}"'.format(token))