rehome router availability zone extension api def

This patch rehomes the router az extension API definition into
neutron-lib. UTs and a release note are also included.

Change-Id: I8bc54b581c26d8472e38efaaa63741785e07d2b8

neutron_lib/api/definitions/__init__.py

@@ -33,6 +33,7 @@ from neutron_lib.api.definitions import port
 from neutron_lib.api.definitions import port_security
 from neutron_lib.api.definitions import portbindings
 from neutron_lib.api.definitions import provider_net
+from neutron_lib.api.definitions import router_availability_zone
 from neutron_lib.api.definitions import router_interface_fip
 from neutron_lib.api.definitions import subnet
 from neutron_lib.api.definitions import subnetpool
@@ -64,6 +65,7 @@ _ALL_API_DEFINITIONS = {
     port_security,
     portbindings,
     provider_net,
+    router_availability_zone,
     router_interface_fip,
     subnet,
     subnetpool,

neutron_lib/api/definitions/router_availability_zone.py

@@ -0,0 +1,44 @@
+# 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 neutron_lib.api.definitions import availability_zone as az
+from neutron_lib.api.definitions import l3
+
+
+ALIAS = 'router_availability_zone'
+IS_SHIM_EXTENSION = False
+IS_STANDARD_ATTR_EXTENSION = False
+NAME = 'Router Availability Zone'
+API_PREFIX = ''
+DESCRIPTION = 'Availability zone support for router.'
+UPDATED_TIMESTAMP = '2015-01-01T10:00:00-00:00'
+RESOURCE_NAME = l3.ROUTER
+COLLECTION_NAME = l3.ROUTERS
+RESOURCE_ATTRIBUTE_MAP = {
+    COLLECTION_NAME: {
+        az.COLLECTION_NAME: {
+            'allow_post': False, 'allow_put': False,
+            'is_visible': True
+        },
+        az.AZ_HINTS: {
+            'allow_post': True, 'allow_put': False, 'is_visible': True,
+            'validate': {'type:availability_zone_hint_list': None},
+            'default': []
+        }
+    }
+}
+SUB_RESOURCE_ATTRIBUTE_MAP = {}
+ACTION_MAP = {}
+REQUIRED_EXTENSIONS = [l3.ALIAS, az.ALIAS]
+OPTIONAL_EXTENSIONS = []
+ACTION_STATUS = {}

neutron_lib/tests/unit/api/definitions/test_router_availability_zone.py

@@ -0,0 +1,20 @@
+#    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 neutron_lib.api.definitions import availability_zone as az
+from neutron_lib.api.definitions import router_availability_zone
+from neutron_lib.tests.unit.api.definitions import base
+
+
+class RouterAZDefinitionTestCase(base.DefinitionBaseTestCase):
+    extension_module = router_availability_zone
+    extension_attributes = (az.AZ_HINTS, az.COLLECTION_NAME,)

releasenotes/notes/rehome-routeraz-apidef-efc5f202e04b8272.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Neutron's ``router_availability_zone`` extension API definition is now
+    available in ``neutron_lib.api.definitions.router_availability_zone``.