Issue warning if using UUID URL scheme with create_slug

borgmatic/hooks/healthchecks.py

@@ -66,8 +66,13 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
     if healthchecks_state:
         ping_url = f'{ping_url}/{healthchecks_state}'
 
-    if hook_config.get('create_slug') and not ping_url_is_uuid:
-        ping_url = f'{ping_url}?create=1'
+    if hook_config.get('create_slug'):
+        if ping_url_is_uuid:
+            logger.warning(
+                f'{config_filename}: Healthchecks UUIDs do not support auto provisionning; ignoring'
+            )
+        else:
+            ping_url = f'{ping_url}?create=1'
 
     logger.info(f'{config_filename}: Pinging Healthchecks {state.name.lower()}{dry_run_label}')
     logger.debug(f'{config_filename}: Using Healthchecks ping URL {ping_url}')

tests/unit/hooks/test_healthchecks.py

@@ -316,6 +316,20 @@ def test_ping_monitor_does_not_add_create_query_parameter_when_ping_url_is_uuid(
     )
 
 
+def test_ping_monitor_issues_warning_when_ping_url_is_uuid_and_create_slug_true():
+    hook_config = {'ping_url': 'b3611b24-df9c-4d36-9203-fa292820bf2a', 'create_slug': True}
+    flexmock(module.logger).should_receive('warning').once()
+
+    module.ping_monitor(
+        hook_config,
+        {},
+        'config.yaml',
+        state=module.monitor.State.FINISH,
+        monitoring_log_level=1,
+        dry_run=False,
+    )
+
+
 def test_ping_monitor_with_connection_error_logs_warning():
     flexmock(module.borgmatic.hooks.logs).should_receive('Forgetful_buffering_handler').never()
     hook_config = {'ping_url': 'https://example.com'}