Merge "Use parent's project id in the quota enforcement for some resources"

neutron/pecan_wsgi/hooks/quota_enforcement.py

@@ -15,12 +15,14 @@
 
 import collections
 
+from neutron_lib import context
 from neutron_lib.db import api as db_api
 from neutron_lib import exceptions
 from oslo_log import log as logging
 from pecan import hooks
 
 from neutron import manager
+from neutron.pecan_wsgi.hooks import utils
 from neutron import quota
 from neutron.quota import resource_registry
 
@@ -38,8 +40,19 @@ class QuotaEnforcementHook(hooks.PecanHook):
         if state.request.method != 'POST' or not resource or not items:
             return
         plugin = manager.NeutronManager.get_plugin_for_resource(collection)
+        parent_id = state.request.context.get('parent_id')
+        parent_project_id = None
+        if parent_id and any(not x.get('tenant_id') for x in items):
+            parent_getter = getattr(
+                plugin, 'get_%s' % utils.get_controller(state).parent)
+            try:
+                parent_project_id = parent_getter(
+                    context.get_admin_context(), parent_id).get('project_id')
+            except exceptions.NotFound:
+                pass
         # Store requested resource amounts grouping them by tenant
-        deltas = collections.Counter(map(lambda x: x['tenant_id'], items))
+        deltas = collections.Counter(
+            map(lambda x: x.get('tenant_id', parent_project_id), items))
         # Perform quota enforcement
         reservations = []
         neutron_context = state.request.context.get('neutron_context')