Add tests for availability-zone-list CINDER V1 API

This patch adds the JSON/XML clients and tests for CINDER
availability-zone-list V1 API

Change-Id: I4fc24e92def95d4a39d43877b120875b45bde9f9
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index ff616fc..709c003 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -109,6 +109,7 @@
         cls.backups_client = cls.os.backups_client
         cls.volume_services_client = cls.os.volume_services_client
         cls.volumes_extension_client = cls.os.volumes_extension_client
+        cls.availability_zone_client = cls.os.volume_availability_zone_client
 
     @classmethod
     def create_volume(cls, size=1, **kwargs):
diff --git a/tempest/api/volume/test_availability_zone.py b/tempest/api/volume/test_availability_zone.py
new file mode 100644
index 0000000..1db7b7b
--- /dev/null
+++ b/tempest/api/volume/test_availability_zone.py
@@ -0,0 +1,40 @@
+# Copyright 2014 NEC Corporation
+# 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 tempest.api.volume import base
+from tempest import test
+
+
+class AvailabilityZoneTestJSON(base.BaseVolumeV1Test):
+
+    """
+    Tests Availability Zone API List
+    """
+
+    @classmethod
+    def setUpClass(cls):
+        super(AvailabilityZoneTestJSON, cls).setUpClass()
+        cls.client = cls.availability_zone_client
+
+    @test.attr(type='gate')
+    def test_get_availability_zone_list(self):
+        # List of availability zone
+        resp, availability_zone = self.client.get_availability_zone_list()
+        self.assertEqual(200, resp.status)
+        self.assertTrue(len(availability_zone) > 0)
+
+
+class AvailabilityZoneTestXML(AvailabilityZoneTestJSON):
+    _interface = 'xml'
diff --git a/tempest/clients.py b/tempest/clients.py
index 646a2d9..68344a7 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -165,6 +165,8 @@
     VolumesServicesClientJSON
 from tempest.services.volume.json.admin.volume_types_client import \
     VolumeTypesClientJSON
+from tempest.services.volume.json.availability_zone_client import \
+    VolumeAvailabilityZoneClientJSON
 from tempest.services.volume.json.backups_client import BackupsClientJSON
 from tempest.services.volume.json.extensions_client import \
     ExtensionsClientJSON as VolumeExtensionClientJSON
@@ -180,6 +182,8 @@
     VolumesServicesClientXML
 from tempest.services.volume.xml.admin.volume_types_client import \
     VolumeTypesClientXML
+from tempest.services.volume.xml.availability_zone_client import \
+    VolumeAvailabilityZoneClientXML
 from tempest.services.volume.xml.backups_client import BackupsClientXML
 from tempest.services.volume.xml.extensions_client import \
     ExtensionsClientXML as VolumeExtensionClientXML
@@ -269,6 +273,8 @@
                     self.auth_provider)
             self.token_client = TokenClientXML()
             self.token_v3_client = V3TokenClientXML()
+            self.volume_availability_zone_client = \
+                VolumeAvailabilityZoneClientXML(self.auth_provider)
 
         elif self.interface == 'json':
             self.certificates_client = CertificatesClientJSON(
@@ -362,6 +368,8 @@
             self.token_v3_client = V3TokenClientJSON()
             self.negative_client = NegativeRestClient(self.auth_provider)
             self.negative_client.service = service
+            self.volume_availability_zone_client = \
+                VolumeAvailabilityZoneClientJSON(self.auth_provider)
 
         else:
             msg = "Unsupported interface type `%s'" % interface
diff --git a/tempest/services/volume/json/availability_zone_client.py b/tempest/services/volume/json/availability_zone_client.py
new file mode 100644
index 0000000..6839d3a
--- /dev/null
+++ b/tempest/services/volume/json/availability_zone_client.py
@@ -0,0 +1,34 @@
+# Copyright 2014 NEC Corporation.
+# 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.
+
+import json
+
+from tempest.common import rest_client
+from tempest import config
+
+CONF = config.CONF
+
+
+class VolumeAvailabilityZoneClientJSON(rest_client.RestClient):
+
+    def __init__(self, auth_provider):
+        super(VolumeAvailabilityZoneClientJSON, self).__init__(
+            auth_provider)
+        self.service = CONF.volume.catalog_type
+
+    def get_availability_zone_list(self):
+        resp, body = self.get('os-availability-zone')
+        body = json.loads(body)
+        return resp, body['availabilityZoneInfo']
diff --git a/tempest/services/volume/xml/availability_zone_client.py b/tempest/services/volume/xml/availability_zone_client.py
new file mode 100644
index 0000000..e4a004a
--- /dev/null
+++ b/tempest/services/volume/xml/availability_zone_client.py
@@ -0,0 +1,39 @@
+# Copyright 2014 NEC Corporation
+# 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 lxml import etree
+
+from tempest.common import rest_client
+from tempest.common import xml_utils
+from tempest import config
+
+CONF = config.CONF
+
+
+class VolumeAvailabilityZoneClientXML(rest_client.RestClient):
+    TYPE = "xml"
+
+    def __init__(self, auth_provider):
+        super(VolumeAvailabilityZoneClientXML, self).__init__(
+            auth_provider)
+        self.service = CONF.volume.catalog_type
+
+    def _parse_array(self, node):
+        return [xml_utils.xml_to_json(x) for x in node]
+
+    def get_availability_zone_list(self):
+        resp, body = self.get('os-availability-zone')
+        availability_zone = self._parse_array(etree.fromstring(body))
+        return resp, availability_zone