Merge in server metadata from trunk.

2 files changed, 85 insertions, 0 deletions

diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py
index 49541772f..dada848b4 100644
--- a/nova/api/openstack/__init__.py
+++ b/nova/api/openstack/__init__.py
@@ -36,6 +36,7 @@ from nova.api.openstack import images
 from nova.api.openstack import image_metadata
 from nova.api.openstack import limits
 from nova.api.openstack import servers
+from nova.api.openstack import server_metadata
 from nova.api.openstack import shared_ip_groups
 from nova.api.openstack import users
 from nova.api.openstack import zones
@@ -149,11 +150,17 @@ class APIRouterV11(APIRouter):
                         controller=servers.ControllerV11(),
                         collection={'detail': 'GET'},
                         member=self.server_members)
+
         mapper.resource("image_meta", "meta",
                         controller=image_metadata.Controller(),
                         parent_resource=dict(member_name='image',
                         collection_name='images'))
 
+        mapper.resource("server_meta", "meta",
+                        controller=server_metadata.Controller(),
+                        parent_resource=dict(member_name='server',
+                        collection_name='servers'))
+
 
 class Versions(wsgi.Application):
     @webob.dec.wsgify(RequestClass=wsgi.Request)
diff --git a/nova/api/openstack/server_metadata.py b/nova/api/openstack/server_metadata.py
new file mode 100644
index 000000000..45bbac99d
--- /dev/null
+++ b/nova/api/openstack/server_metadata.py
@@ -0,0 +1,78 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2011 OpenStack LLC.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from webob import exc
+
+from nova import compute
+from nova import wsgi
+from nova.api.openstack import faults
+
+
+class Controller(wsgi.Controller):
+    """ The server metadata API controller for the Openstack API """
+
+    def __init__(self):
+        self.compute_api = compute.API()
+        super(Controller, self).__init__()
+
+    def _get_metadata(self, context, server_id):
+        metadata = self.compute_api.get_instance_metadata(context, server_id)
+        meta_dict = {}
+        for key, value in metadata.iteritems():
+            meta_dict[key] = value
+        return dict(metadata=meta_dict)
+
+    def index(self, req, server_id):
+        """ Returns the list of metadata for a given instance """
+        context = req.environ['nova.context']
+        return self._get_metadata(context, server_id)
+
+    def create(self, req, server_id):
+        context = req.environ['nova.context']
+        body = self._deserialize(req.body, req.get_content_type())
+        self.compute_api.update_or_create_instance_metadata(context,
+                                                            server_id,
+                                                            body['metadata'])
+        return req.body
+
+    def update(self, req, server_id, id):
+        context = req.environ['nova.context']
+        body = self._deserialize(req.body, req.get_content_type())
+        if not id in body:
+            expl = _('Request body and URI mismatch')
+            raise exc.HTTPBadRequest(explanation=expl)
+        if len(body) > 1:
+            expl = _('Request body contains too many items')
+            raise exc.HTTPBadRequest(explanation=expl)
+        self.compute_api.update_or_create_instance_metadata(context,
+                                                            server_id,
+                                                            body)
+        return req.body
+
+    def show(self, req, server_id, id):
+        """ Return a single metadata item """
+        context = req.environ['nova.context']
+        data = self._get_metadata(context, server_id)
+        if id in data['metadata']:
+            return {id: data['metadata'][id]}
+        else:
+            return faults.Fault(exc.HTTPNotFound())
+
+    def delete(self, req, server_id, id):
+        """ Deletes an existing metadata """
+        context = req.environ['nova.context']
+        self.compute_api.delete_instance_metadata(context, server_id, id)