Increase outgoing webhook timeout from 10 to 30 seconds

Also simplify the retry logic: each retry attempt is now
allowed to use the full 30 seconds. This means, a single
webhook delivery can take up to 3*30=90 seconds.

CHANGELOG.md

@@ -3,6 +3,9 @@ All notable changes to this project will be documented in this file.
 
 ## v3.7-dev - Unreleased
 
+### Improvements
+- Increase outgoing webhook timeout from 10 to 30 seconds
+
 ### Bug Fixes
 - Update sqlite settings to avoid "Database is locked" errors (#1057)
 

hc/api/tests/test_notify_webhook.py

@@ -60,6 +60,7 @@ class NotifyWebhookTestCase(BaseTestCase):
         self.channel.notify(self.flip)
         args, kwargs = mock_get.call_args
         self.assertEqual(args, ("get", "http://example"))
+        self.assertEqual(kwargs["timeout"], 30)
 
     @patch(
         "hc.api.transports.curl.request",
@@ -153,7 +154,6 @@ class NotifyWebhookTestCase(BaseTestCase):
         self.assertEqual(args[0], "get")
         self.assertEqual(args[1], url)
         self.assertEqual(kwargs["headers"], {})
-        self.assertEqual(kwargs["timeout"], 10)
 
     @patch("hc.api.transports.curl.request", autospec=True)
     def test_webhooks_handle_variable_variables(self, mock_get: Mock) -> None:

hc/api/transports.py

@@ -258,7 +258,7 @@ class HttpTransport(Transport):
                 json=json,
                 headers=headers,
                 auth=auth,
-                timeout=10,
+                timeout=30,
             )
             if r.status_code not in (200, 201, 202, 204):
                 cls.raise_for_response(r)
@@ -278,7 +278,6 @@ class HttpTransport(Transport):
         headers: curl.Headers = None,
         auth: curl.Auth = None,
     ) -> None:
-        start = time.time()
         tries_left = 3 if retry else 1
         while True:
             try:
@@ -293,11 +292,9 @@ class HttpTransport(Transport):
                 )
             except TransportError as e:
                 tries_left = 0 if e.permanent else tries_left - 1
-
-                # If we have no tries left *or* have already used more than
-                # 15 seconds of time then abort the retry loop by re-raising
+                # If we have no tries left then abort the retry loop by re-raising
                 # the exception:
-                if tries_left == 0 or time.time() - start > 15:
+                if tries_left == 0:
                     raise e
 
     # Convenience wrapper around self.request for making "POST" requests

templates/integrations/webhook_form.html

@@ -28,7 +28,7 @@
             {% site_name %} considers a HTTP request failed if:
         </p>
         <ul>
-            <li>The destination server does not return a complete response within 10 seconds.</li>
+            <li>The destination server does not return a complete response within 30 seconds.</li>
             <li>The HTTP response status code is not one of: 200, 201, 202 or 204.</li>
         </ul>