add DisableNotifications option

hub/kojihub.py

@@ -3580,6 +3580,8 @@ def get_notification_recipients(build, tag_id, state):
     return emails_uniq
 
 def tag_notification(is_successful, tag_id, from_id, build_id, user_id, ignore_success=False, failure_msg=''):
+    if context.opts.get('DisableNotifications'):
+        return
     if is_successful:
         state = koji.BUILD_STATES['COMPLETE']
     else:
@@ -3604,6 +3606,8 @@ def tag_notification(is_successful, tag_id, from_id, build_id, user_id, ignore_s
     return None
 
 def build_notification(task_id, build_id):
+    if context.opts.get('DisableNotifications'):
+        return
     build = get_build(build_id)
     target = _get_build_target(task_id)
 

hub/kojixmlrpc.py

@@ -370,6 +370,7 @@ def load_config(req):
         ['LoginCreatesUser', 'boolean', True],
         ['KojiWebURL', 'string', 'http://localhost.localdomain/koji'],
         ['EmailDomain', 'string', None],
+        ['DisableNotifications', 'boolean', False],
 
         ['Plugins', 'string', None],
         ['PluginPath', 'string', '/usr/lib/koji-hub-plugins'],