From 7f98416fdba59c4305f88a30a457bbf6c68ef372 Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Thu, 31 Mar 2011 09:20:47 -0400 Subject: Limit image metadata to the configured metadata quota for a project. --- nova/api/openstack/image_metadata.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'nova/api') diff --git a/nova/api/openstack/image_metadata.py b/nova/api/openstack/image_metadata.py index c9d6ac532..76abdaa7e 100644 --- a/nova/api/openstack/image_metadata.py +++ b/nova/api/openstack/image_metadata.py @@ -18,6 +18,7 @@ from webob import exc from nova import flags +from nova import quota from nova import utils from nova import wsgi from nova.api.openstack import faults @@ -39,6 +40,15 @@ class Controller(wsgi.Controller): metadata = image.get('properties', {}) return metadata + def _check_quota_limit(self, context, metadata): + if metadata is None: + return + num_metadata = len(metadata) + quota_metadata = quota.allowed_metadata_items(context, num_metadata) + if quota_metadata < num_metadata: + expl = ("Image metadata limit exceeded") + raise exc.HTTPBadRequest(explanation=expl) + def index(self, req, image_id): """Returns the list of metadata for a given instance""" context = req.environ['nova.context'] @@ -61,6 +71,7 @@ class Controller(wsgi.Controller): if 'metadata' in body: for key, value in body['metadata'].iteritems(): metadata[key] = value + self._check_quota_limit(context, metadata) img['properties'] = metadata self.image_service.update(context, image_id, img, None) return dict(metadata=metadata) @@ -77,6 +88,7 @@ class Controller(wsgi.Controller): img = self.image_service.show(context, image_id) metadata = self._get_metadata(context, image_id, img) metadata[id] = body[id] + self._check_quota_limit(context, metadata) img['properties'] = metadata self.image_service.update(context, image_id, img, None) -- cgit