Implement Zun client plugin

Co-Authored-By: Hongbin Lu <hongbin.lu@huawei.com>
Partial Implements:blueprint heat-plugin-zun

Change-Id: Icedc709222f04d52769bbe95a34a0178c01a44e0

heat/engine/clients/os/zun.py

@@ -0,0 +1,45 @@
+#
+#    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 zunclient import exceptions as zc_exc
+from zunclient.v1 import client as zun_client
+
+from heat.engine.clients import client_plugin
+
+CLIENT_NAME = 'zun'
+
+
+class ZunClientPlugin(client_plugin.ClientPlugin):
+
+    service_types = [CONTAINER] = ['container']
+
+    def _create(self):
+        interface = self._get_client_option(CLIENT_NAME, 'endpoint_type')
+        args = {
+            'interface': interface,
+            'service_type': self.CONTAINER,
+            'session': self.context.keystone_session,
+            'region_name': self._get_region_name()
+        }
+
+        client = zun_client.Client(**args)
+        return client
+
+    def is_not_found(self, ex):
+        return isinstance(ex, zc_exc.NotFound)
+
+    def is_over_limit(self, ex):
+        return isinstance(ex, zc_exc.RequestEntityTooLarge)
+
+    def is_conflict(self, ex):
+        return isinstance(ex, zc_exc.Conflict)

heat/tests/clients/test_zun_client.py

@@ -0,0 +1,24 @@
+#    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 heat.tests import common
+from heat.tests import utils
+
+
+class ZunClientPluginTest(common.HeatTestCase):
+
+    def test_create(self):
+        context = utils.dummy_context()
+        plugin = context.clients.client_plugin('zun')
+        client = plugin.client()
+        self.assertEqual('http://server.test:5000/v3',
+                         client.containers.api.session.auth.endpoint)

releasenotes/notes/add-zun-client-plugin-dfc10ecd1a6e98be.yaml

@@ -0,0 +1,5 @@
+---
+other:
+  - |
+    Introduce a Zun client plugin module that will be used by the
+    Zun's resources that are under development.

requirements.txt

@@ -51,6 +51,7 @@ python-senlinclient>=1.1.0 # Apache-2.0
 python-swiftclient>=3.2.0 # Apache-2.0
 python-troveclient>=2.2.0 # Apache-2.0
 python-zaqarclient>=1.0.0 # Apache-2.0
+python-zunclient>=0.1.0 # Apache-2.0
 pytz>=2013.6 # MIT
 PyYAML>=3.10.0 # MIT
 requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0

setup.cfg

@@ -78,6 +78,7 @@ heat.clients =
     swift = heat.engine.clients.os.swift:SwiftClientPlugin
     trove = heat.engine.clients.os.trove:TroveClientPlugin
     zaqar = heat.engine.clients.os.zaqar:ZaqarClientPlugin
+    zun = heat.engine.clients.os.zun:ZunClientPlugin
 
 heat.constraints =
     # common constraints