Add an extension to allow for an addFixedIp action on instances

1 files changed, 83 insertions, 0 deletions

diff --git a/nova/api/openstack/contrib/multinic.py b/nova/api/openstack/contrib/multinic.py
new file mode 100644
index 000000000..164af79b0
--- /dev/null
+++ b/nova/api/openstack/contrib/multinic.py
@@ -0,0 +1,83 @@
+# 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.
+
+"""The multinic extension."""
+
+from webob import exc
+
+from nova import compute
+from nova import log as logging
+from nova.api.openstack import extensions
+from nova.api.openstack import faults
+
+
+LOG = logging.getLogger("nova.api.multinic")
+
+
+class Multinic(extensions.ExtensionDescriptor):
+    def __init__(self, *args, **kwargs):
+        super(Multinic, self).__init__(*args, **kwargs)
+        self.compute_api = compute.API()
+
+    def get_name(self):
+        return "Multinic"
+
+    def get_alias(self):
+        return "NMN"
+
+    def get_description(self):
+        return "Multiple network support"
+
+    def get_namespace(self):
+        return "http://docs.openstack.org/ext/multinic/api/v1.1"
+
+    def get_updated(self):
+        return "2011-06-09T00:00:00+00:00"
+
+    def get_actions(self):
+        actions = []
+
+        # Add the add_fixed_ip action
+        act = extensions.ActionExtension("servers", "addFixedIp",
+                                         self._add_fixed_ip)
+        actions.append(act)
+
+        # Add the remove_fixed_ip action
+        act = extensions.ActionExtension("servers", "removeFixedIp",
+                                         self._remove_fixed_ip)
+        actions.append(act)
+
+        return actions
+
+    def _add_fixed_ip(self, input_dict, req, id):
+        """Adds an IP on a given network to an instance."""
+        try:
+            # Validate the input entity
+            if 'networkId' not in input_dict['addFixedIp']:
+                LOG.exception(_("Missing 'networkId' argument for addFixedIp"))
+                return faults.Fault(exc.HTTPUnprocessableEntity())
+
+            # Add the fixed IP
+            network_id = input_dict['addFixedIp']['networkId']
+            self.compute_api.add_fixed_ip(req.environ['nova.context'], id,
+                                          network_id)
+        except Exception, e:
+            LOG.exception(_("Error in addFixedIp %s"), e)
+            return faults.Fault(exc.HTTPBadRequest())
+        return exc.HTTPAccepted()
+
+    def _remove_fixed_ip(self, input_dict, req, id):
+        # Not yet implemented
+        raise faults.Fault(exc.HTTPNotImplemented())