Add os-start/os-stop server actions to OSAPI

Implements blueprint start-stop-methods-support-in-os-servers-xapi

Change-Id: I7aa241ffdd2ec3a7c9800411268f4adc47960be8

1 files changed, 76 insertions, 0 deletions

diff --git a/nova/api/openstack/compute/contrib/server_start_stop.py b/nova/api/openstack/compute/contrib/server_start_stop.py
new file mode 100644
index 000000000..e5317f051
--- /dev/null
+++ b/nova/api/openstack/compute/contrib/server_start_stop.py
@@ -0,0 +1,76 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 Midokura Japan K.K.
+#
+#    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
+
+import webob
+
+from nova.api.openstack import extensions
+from nova.api.openstack import wsgi
+from nova import compute
+from nova import exception
+from nova import log as logging
+
+
+LOG = logging.getLogger('nova.api.openstack.compute.contrib.server_start_stop')
+
+
+class ServerStartStopActionController(wsgi.Controller):
+    def __init__(self, *args, **kwargs):
+        super(ServerStartStopActionController, self).__init__(*args, **kwargs)
+        self.compute_api = compute.API()
+
+    @wsgi.action('os-start')
+    def _start_server(self, req, id, body):
+        """Start an instance. """
+        context = req.environ['nova.context']
+
+        try:
+            LOG.debug(_("start instance %r"), id)
+            instance = self.compute_api.get(context, id)
+            self.compute_api.start(context, instance)
+        except exception.ApiError, e:
+            raise webob.exc.HTTPBadRequest(explanation=e.message)
+        except exception.NotAuthorized, e:
+            raise webob.exc.HTTPUnauthorized()
+        return webob.Response(status_int=202)
+
+    @wsgi.action('os-stop')
+    def _stop_server(self, req, id, body):
+        """Stop an instance."""
+        context = req.environ['nova.context']
+
+        try:
+            LOG.debug(_("stop instance %r"), id)
+            instance = self.compute_api.get(context, id)
+            self.compute_api.stop(context, instance)
+        except exception.ApiError, e:
+            raise webob.exc.HTTPBadRequest(explanation=e.message)
+        except exception.NotAuthorized, e:
+            raise webob.exc.HTTPUnauthorized()
+
+        return webob.Response(status_int=202)
+
+
+class Server_start_stop(extensions.ExtensionDescriptor):
+    """Start/Stop instance compute API support"""
+
+    name = "ServerStartStop"
+    namespace = "http://docs.openstack.org/compute/ext/servers/api/v1.1"
+    updated = "2012-01-23:00:00+00:00"
+
+    def get_controller_extensions(self):
+        controller = ServerStartStopActionController()
+        extension = extensions.ControllerExtension(self, 'servers', controller)
+        return [extension]