rehome qos bw limit direction api def

This patch rehomes the qos bandwidth limit direction extension's API
definition into neutron-lib. This definition extends an existing
sub-resource and thus requires the unit test changes in commit
Ib91004490dc3ca71b7caafe5cc3cb07417be1e4c

For sample consumption see commit
I4cea734dd713f00d6e4c416a50c4dde620dc644d

Change-Id: I823f567ddf9c895eb3cf94e95ae34a382d67f51d

neutron_lib/api/definitions/__init__.py

@@ -56,6 +56,7 @@ from neutron_lib.api.definitions import portbindings_extended
 from neutron_lib.api.definitions import project_id
 from neutron_lib.api.definitions import provider_net
 from neutron_lib.api.definitions import qos
+from neutron_lib.api.definitions import qos_bw_limit_direction
 from neutron_lib.api.definitions import qos_default
 from neutron_lib.api.definitions import qos_rule_type_details
 from neutron_lib.api.definitions import revisionifmatch
@@ -124,6 +125,7 @@ _ALL_API_DEFINITIONS = {
     project_id,
     provider_net,
     qos,
+    qos_bw_limit_direction,
     qos_default,
     qos_rule_type_details,
     revisionifmatch,

neutron_lib/api/definitions/qos_bw_limit_direction.py

@@ -0,0 +1,52 @@
+# Copyright (c) 2017 OVH SAS
+# 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 qos as qos_apidef
+from neutron_lib import constants
+
+
+DIRECTION = 'direction'
+
+ALIAS = 'qos-bw-limit-direction'
+LABEL = ''
+IS_SHIM_EXTENSION = False
+IS_STANDARD_ATTR_EXTENSION = False
+NAME = 'Direction for QoS bandwidth limit rule'
+API_PREFIX = ''
+DESCRIPTION = ("Allow to configure QoS bandwidth limit rule with specific "
+               "direction: ingress or egress")
+UPDATED_TIMESTAMP = '2017-04-10T10:00:00-00:00'
+RESOURCE_ATTRIBUTE_MAP = {}
+SUB_RESOURCE_ATTRIBUTE_MAP = {
+    # NOTE(boden): parameters is required here as BANDWIDTH_LIMIT_RULES is a
+    # sub-resource extension itself
+    qos_apidef.BANDWIDTH_LIMIT_RULES: {
+        'parameters': {
+            DIRECTION: {
+                'allow_post': True,
+                'allow_put': True,
+                'is_visible': True,
+                'default': constants.EGRESS_DIRECTION,
+                'validate': {
+                    'type:values': constants.VALID_DIRECTIONS
+                }
+            }
+        }
+    }
+}
+ACTION_MAP = {}
+REQUIRED_EXTENSIONS = [qos_apidef.ALIAS]
+OPTIONAL_EXTENSIONS = []
+ACTION_STATUS = {}

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

@@ -0,0 +1,24 @@
+# Copyright (c) 2017 OVH SAS
+# 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 qos
+from neutron_lib.api.definitions import qos_bw_limit_direction
+from neutron_lib.tests.unit.api.definitions import base
+
+
+class QoSBwLimitDirectionDefinitionTestCase(base.DefinitionBaseTestCase):
+    extension_module = qos_bw_limit_direction
+    extension_subresources = (qos.BANDWIDTH_LIMIT_RULES,)
+    extension_attributes = (qos_bw_limit_direction.DIRECTION,)

releasenotes/notes/rehome-qosbwldir-apidef-f0e3f778f2f980c0.yaml

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