Added uuid column in virtual_interfaces table, and an OpenStack extension API for virtual interfaces to expose these IDs. Also set this UUID as one of the external IDs in the OVS vif driver.

1 files changed, 108 insertions, 0 deletions

diff --git a/nova/api/openstack/contrib/virtual_interfaces.py b/nova/api/openstack/contrib/virtual_interfaces.py
new file mode 100644
index 000000000..dab61efc8
--- /dev/null
+++ b/nova/api/openstack/contrib/virtual_interfaces.py
@@ -0,0 +1,108 @@
+# Copyright (C) 2011 Midokura KK
+# 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.
+
+"""The virtual interfaces extension."""
+
+from webob import exc
+import webob
+
+from nova import compute
+from nova import exception
+from nova import log as logging
+from nova.api.openstack import common
+from nova.api.openstack import extensions
+from nova.api.openstack import faults
+from nova.api.openstack import wsgi
+
+
+LOG = logging.getLogger("nova.api.virtual_interfaces")
+
+
+def _translate_vif_summary_view(_context, vif):
+    """Maps keys for VIF summary view."""
+    d = {}
+    d['id'] = vif['uuid']
+    d['mac_address'] = vif['address']
+    return d
+
+
+def _get_metadata():
+    metadata = {
+        "attributes": {
+                'virtual_interface': ["id", "mac_address"]}}
+    return metadata
+
+
+class ServerVirtualInterfaceController(object):
+    """The instance VIF API controller for the Openstack API.
+    """
+
+    def __init__(self):
+        self.compute_api = compute.API()
+        super(ServerVirtualInterfaceController, self).__init__()
+
+    def _items(self, req, server_id, entity_maker):
+        """Returns a list of VIFs, transformed through entity_maker."""
+        context = req.environ['nova.context']
+
+        try:
+            instance = self.compute_api.get(context, server_id)
+        except exception.NotFound:
+            return faults.Fault(exc.HTTPNotFound())
+
+        vifs = instance['virtual_interfaces']
+        limited_list = common.limited(vifs, req)
+        res = [entity_maker(context, vif) for vif in limited_list]
+        return {'virtual_interfaces': res}
+
+    def index(self, req, server_id):
+        """Returns the list of VIFs for a given instance."""
+        return self._items(req, server_id,
+                           entity_maker=_translate_vif_summary_view)
+
+
+class Virtual_interfaces(extensions.ExtensionDescriptor):
+
+    def get_name(self):
+        return "VirtualInterfaces"
+
+    def get_alias(self):
+        return "virtual_interfaces"
+
+    def get_description(self):
+        return "Virtual interface support"
+
+    def get_namespace(self):
+        return "http://docs.openstack.org/ext/virtual_interfaces/api/v1.1"
+
+    def get_updated(self):
+        return "2011-08-17T00:00:00+00:00"
+
+    def get_resources(self):
+        resources = []
+
+        metadata = _get_metadata()
+        body_serializers = {
+            'application/xml': wsgi.XMLDictSerializer(metadata=metadata,
+                                                      xmlns=wsgi.XMLNS_V11)}
+        serializer = wsgi.ResponseSerializer(body_serializers, None)
+        res = extensions.ResourceExtension(
+            'os-virtual-interfaces',
+            controller=ServerVirtualInterfaceController(),
+            parent=dict(member_name='server', collection_name='servers'),
+            serializer=serializer)
+        resources.append(res)
+
+        return resources