diff options
Diffstat (limited to 'nova/api')
| -rw-r--r-- | nova/api/openstack/image_metadata.py | 58 | ||||
| -rw-r--r-- | nova/api/openstack/wsgi.py | 8 |
2 files changed, 58 insertions, 8 deletions
diff --git a/nova/api/openstack/image_metadata.py b/nova/api/openstack/image_metadata.py index ebfe2bde9..77028be28 100644 --- a/nova/api/openstack/image_metadata.py +++ b/nova/api/openstack/image_metadata.py @@ -16,6 +16,7 @@ # under the License. from webob import exc +from xml.dom import minidom from nova import flags from nova import image @@ -59,7 +60,7 @@ class Controller(object): context = req.environ['nova.context'] metadata = self._get_metadata(context, image_id) if id in metadata: - return {id: metadata[id]} + return {'meta': {id: metadata[id]}} else: return faults.Fault(exc.HTTPNotFound()) @@ -77,15 +78,15 @@ class Controller(object): def update(self, req, image_id, id, body): context = req.environ['nova.context'] - if not id in body: + if not id in body['meta']: expl = _('Request body and URI mismatch') raise exc.HTTPBadRequest(explanation=expl) - if len(body) > 1: + if len(body['meta']) > 1: expl = _('Request body contains too many items') raise exc.HTTPBadRequest(explanation=expl) img = self.image_service.show(context, image_id) metadata = self._get_metadata(context, image_id, img) - metadata[id] = body[id] + metadata[id] = body['meta'][id] self._check_quota_limit(context, metadata) img['properties'] = metadata self.image_service.update(context, image_id, img, None) @@ -103,9 +104,56 @@ class Controller(object): self.image_service.update(context, image_id, img, None) +class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer): + def __init__(self): + xmlns = wsgi.XMLNS_V11 + super(ImageMetadataXMLSerializer, self).__init__(xmlns=xmlns) + + def _meta_item_to_xml(self, doc, key, value): + node = doc.createElement('meta') + node.setAttribute('key', key) + text = doc.createTextNode(value) + node.appendChild(text) + return node + + def _meta_list_to_xml(self, xml_doc, meta_items): + container_node = xml_doc.createElement('metadata') + for (key, value) in meta_items: + item_node = self._meta_item_to_xml(xml_doc, key, value) + container_node.appendChild(item_node) + return container_node + + def _meta_list_to_xml_string(self, metadata_dict): + xml_doc = minidom.Document() + items = metadata_dict['metadata'].items() + container_node = self._meta_list_to_xml(xml_doc, items) + self._add_xmlns(container_node) + return container_node.toprettyxml(indent=' ') + + def index(self, metadata_dict): + return self._meta_list_to_xml_string(metadata_dict) + + def create(self, metadata_dict): + return self._meta_list_to_xml_string(metadata_dict) + + def _meta_item_to_xml_string(self, meta_item_dict): + xml_doc = minidom.Document() + item_key, item_value = meta_item_dict.items()[0] + item_node = self._meta_item_to_xml(xml_doc, item_key, item_value) + self._add_xmlns(item_node) + return item_node.toprettyxml(indent=' ') + + def show(self, meta_item_dict): + return self._meta_item_to_xml_string(meta_item_dict['meta']) + + def update(self, meta_item_dict): + return self._meta_item_to_xml_string(meta_item_dict['meta']) + + + def create_resource(): serializers = { - 'application/xml': wsgi.XMLDictSerializer(xmlns=wsgi.XMLNS_V11), + 'application/xml': ImageMetadataXMLSerializer(), } return wsgi.Resource(Controller(), serializers=serializers) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index ddf4e6fa9..d1402b314 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -221,12 +221,14 @@ class XMLDictSerializer(DictSerializer): doc = minidom.Document() node = self._to_xml_node(doc, self.metadata, root_key, data[root_key]) - xmlns = node.getAttribute('xmlns') - if not xmlns and self.xmlns: - node.setAttribute('xmlns', self.xmlns) + self._add_xmlns(node) return node.toprettyxml(indent=' ') + def _add_xmlns(self, node): + if self.xmlns is not None: + node.setAttribute('xmlns', self.xmlns) + def _to_xml_node(self, doc, metadata, nodename, data): """Recursive method to convert data members to XML nodes.""" result = doc.createElement(nodename) |