rehome network availability zone extension api definition

This patch rehomes neutron's network availability zone extension's API
definition into neutron-lib. UTs and a release note are also included.

Change-Id: I1d4ded9959c05c65b04b118b1c31b8e6db652e67

neutron_lib/api/definitions/__init__.py

@@ -30,6 +30,7 @@ from neutron_lib.api.definitions import l3
 from neutron_lib.api.definitions import logging
 from neutron_lib.api.definitions import logging_resource
 from neutron_lib.api.definitions import network
+from neutron_lib.api.definitions import network_availability_zone
 from neutron_lib.api.definitions import network_ip_availability
 from neutron_lib.api.definitions import network_mtu
 from neutron_lib.api.definitions import pagination
@@ -68,6 +69,7 @@ _ALL_API_DEFINITIONS = {
     logging,
     logging_resource,
     network,
+    network_availability_zone,
     network_ip_availability,
     network_mtu,
     pagination,

neutron_lib/api/definitions/network_availability_zone.py

@@ -0,0 +1,43 @@
+# 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_def
+from neutron_lib.api.definitions import network
+
+ALIAS = 'network_availability_zone'
+IS_SHIM_EXTENSION = False
+IS_STANDARD_ATTR_EXTENSION = False
+NAME = 'Network Availability Zone'
+API_PREFIX = ''
+DESCRIPTION = 'Availability zone support for network.'
+UPDATED_TIMESTAMP = '2015-01-01T10:00:00-00:00'
+RESOURCE_NAME = network.RESOURCE_NAME
+COLLECTION_NAME = network.COLLECTION_NAME
+RESOURCE_ATTRIBUTE_MAP = {
+    COLLECTION_NAME: {
+        az_def.COLLECTION_NAME: {
+            'allow_post': False, 'allow_put': False,
+            'is_visible': True
+        },
+        az_def.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 = [az_def.ALIAS]
+OPTIONAL_EXTENSIONS = []
+ACTION_STATUS = {}

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

@@ -0,0 +1,21 @@
+#    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
+from neutron_lib.api.definitions import network_availability_zone
+from neutron_lib.tests.unit.api.definitions import base
+
+
+class NetworkAvailabilityZoneDefinitionTestCase(base.DefinitionBaseTestCase):
+    extension_module = network_availability_zone
+    extension_attributes = (availability_zone.AZ_HINTS,
+                            availability_zone.COLLECTION_NAME)

releasenotes/notes/rehome-netaz-apidef-74e962ef682380bc.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - The API defintion for neutron's ``network_availability_zone`` extension
+    is now available in
+    ``neutron_lib.api.definitions.network_availability_zone``.