From a9de2c26432b0b6c77e941db0199fd72a54e2d69 Mon Sep 17 00:00:00 2001
From: Lorin Hochstein <lorin@isi.edu>
Date: Wed, 22 Jun 2011 22:40:00 -0400
Subject: Added flavor extra specs controller

---
 nova/api/openstack/__init__.py           |   6 ++
 nova/api/openstack/flavor_extra_specs.py | 106 +++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 nova/api/openstack/flavor_extra_specs.py

diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py
index ddd9580d7..464ba1a9a 100644
--- a/nova/api/openstack/__init__.py
+++ b/nova/api/openstack/__init__.py
@@ -32,6 +32,7 @@ from nova.api.openstack import faults
 from nova.api.openstack import backup_schedules
 from nova.api.openstack import consoles
 from nova.api.openstack import flavors
+from nova.api.openstack import flavor_extra_specs
 from nova.api.openstack import images
 from nova.api.openstack import image_metadata
 from nova.api.openstack import ips
@@ -178,3 +179,8 @@ class APIRouterV11(APIRouter):
                         controller=server_metadata.create_resource(),
                         parent_resource=dict(member_name='server',
                         collection_name='servers'))
+        
+        mapper.resource("flavor_extra_specs", "extra",
+                        controller=flavor_extra_specs.create_resource(),
+                        parent_resource=dict(member_name='flavor',
+                        collection_name='flavors'))
diff --git a/nova/api/openstack/flavor_extra_specs.py b/nova/api/openstack/flavor_extra_specs.py
new file mode 100644
index 000000000..2dcd85688
--- /dev/null
+++ b/nova/api/openstack/flavor_extra_specs.py
@@ -0,0 +1,106 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2011 University of Southern California
+# 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 db
+from nova import quota
+from nova.api.openstack import faults
+from nova.api.openstack import wsgi
+
+
+class Controller(object):
+    """ The flavor extra specs API controller for the Openstack API """
+
+    def __init__(self):
+        self.compute_api = compute.API()
+        super(Controller, self).__init__()
+
+    def _get_extra_specs(self, context, flavor_id):
+        extra_specs = self.db.instance_type_extra_specs_get(context, flavor_id)
+        specs_dict = {}
+        for key, value in specs.iteritems():
+            specs_dict[key] = value
+        return dict(extra=specs_dict)
+
+    def _check_body(self, body):
+        if body == None or body == "":
+            expl = _('No Request Body')
+            raise exc.HTTPBadRequest(explanation=expl)
+
+    def index(self, req, flavor_id):
+        """ Returns the list of extra specs for a givenflavor """
+        context = req.environ['nova.context']
+        return self._get_extra_specs(context, flavor_id)
+
+    def create(self, req, flavor_id, body):
+        self._check_body(body)
+        context = req.environ['nova.context']
+        specs = body.get('extra')
+        try:
+            self.db.instance_type_extra_specs_update_or_create(context,
+                                                               flavor_id,
+                                                               specs)
+        except quota.QuotaError as error:
+            self._handle_quota_error(error)
+        return body
+
+    def update(self, req, flavor_id, id, body):
+        self._check_body(body)
+        context = req.environ['nova.context']
+        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)
+        try:
+            self.db.instance_type_extra_specs_update_or_create(context,
+                                                               flavor_id,
+                                                               body)
+        except quota.QuotaError as error:
+            self._handle_quota_error(error)
+
+        return body
+
+    def show(self, req, flavor_id, id):
+        """ Return a single extra spec item """
+        context = req.environ['nova.context']
+        specs = self._get_extra_specs(context, flavor_id)
+        if id in specs['extra']:
+            return {id: specs['extra'][id]}
+        else:
+            return faults.Fault(exc.HTTPNotFound())
+
+    def delete(self, req, flavor_id, id):
+        """ Deletes an existing extra spec """
+        context = req.environ['nova.context']
+        self.instance_type_extra_specs_delete(context, flavor_id, id)
+
+    def _handle_quota_error(self, error):
+        """Reraise quota errors as api-specific http exceptions."""
+        if error.code == "MetadataLimitExceeded":
+            raise exc.HTTPBadRequest(explanation=error.message)
+        raise error
+
+
+def create_resource():
+    serializers = {
+        'application/xml': wsgi.XMLDictSerializer(xmlns=wsgi.XMLNS_V11),
+    }
+
+    return wsgi.Resource(Controller(), serializers=serializers)
-- 
cgit