rehome l2 adjacency extension API definition

This patch rehomes the l2 adjacency extension API definition into
neutron-lib. UTs and a release note are also included.

Change-Id: Iecc36b68693cc6f69765e31ed37292b4690a9b75

neutron_lib/api/definitions/__init__.py

@@ -23,6 +23,7 @@ from neutron_lib.api.definitions import fip64
 from neutron_lib.api.definitions import firewall
 from neutron_lib.api.definitions import firewall_v2
 from neutron_lib.api.definitions import firewallrouterinsertion
+from neutron_lib.api.definitions import l2_adjacency
 from neutron_lib.api.definitions import l3
 from neutron_lib.api.definitions import logging
 from neutron_lib.api.definitions import logging_resource
@@ -53,6 +54,7 @@ _ALL_API_DEFINITIONS = {
     firewall,
     firewall_v2,
     firewallrouterinsertion,
+    l2_adjacency,
     l3,
     logging,
     logging_resource,

neutron_lib/api/definitions/l2_adjacency.py

@@ -0,0 +1,43 @@
+# Copyright (c) 2016 NEC Technologies Ltd.
+# 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 neutron_lib.api.definitions import network
+
+
+L2_ADJACENCY = 'l2_adjacency'
+
+ALIAS = L2_ADJACENCY
+IS_SHIM_EXTENSION = False
+IS_STANDARD_ATTR_EXTENSION = False
+NAME = 'L2 Adjacency'
+API_PREFIX = ''
+DESCRIPTION = 'Display L2 Adjacency for Neutron Networks.'
+UPDATED_TIMESTAMP = '2016-04-12T16:00:00-00:00'
+RESOURCE_NAME = network.RESOURCE_NAME
+COLLECTION_NAME = network.COLLECTION_NAME
+RESOURCE_ATTRIBUTE_MAP = {
+    COLLECTION_NAME: {
+        L2_ADJACENCY: {
+            'allow_post': False,
+            'allow_put': False,
+            'is_visible': True
+        }
+    }
+}
+SUB_RESOURCE_ATTRIBUTE_MAP = {}
+ACTION_MAP = {}
+REQUIRED_EXTENSIONS = []
+OPTIONAL_EXTENSIONS = []
+ACTION_STATUS = {}

neutron_lib/tests/unit/api/definitions/test_l2_adjancency.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 l2_adjacency
+from neutron_lib.tests.unit.api.definitions import base
+
+
+class L2AdjacencyDefinitionTestCase(base.DefinitionBaseTestCase):
+    extension_module = l2_adjacency
+    extension_resources = ()
+    extension_attributes = (l2_adjacency.L2_ADJACENCY,)

releasenotes/notes/rehome-l2adjacency-apidef-f91bf184d90122c8.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - The ``l2_adjacency`` extension's API definition is now available in
+    ``neutron_lib.api.definitions.l2_adjacency``.