Verify "get az list" API response attributes

Now most attributes of Nova v2/v3 APIs are not checked in Tempest,
and this patch adds some tests which check these attributes to block
the backward incompatibility change in the future.

This patch adds the checks of "get az list" API responses.

The response body of v2 API is the following:
  {
    "availabilityZoneInfo": [
      {
        "zoneName": "internal",
        "zoneState": {"available": true},
        "hosts": {"localhost-dev": {
          "nova-conductor": {"available": true, "active": true,
                             "updated_at": "2014-03-13T05:23:56.000000"},
          "nova-scheduler": {"available": true, "active": true,
                             "updated_at": "2014-03-13T05:23:48.000000"},
          "nova-cert": {"available": true, "active": true,
                        "updated_at": "2014-03-13T05:23:51.000000"}
        }}
      },
      {
        "zoneName": "nova",
        "zoneState": {"available": true},
        "hosts": {"localhost-dev": {
          "nova-compute": {"available": true, "active": true,
                           "updated_at": "2014-03-13T05:23:54.000000"}
        }}
      }
    ]
  }

The one of v3 API is the following:
  {
    "availability_zone_info": [
      {
        "zone_name": "internal",
        "zone_state": {"available": true},
        "hosts": {"localhost-dev": {
          "nova-conductor": {"available": true, "active": true,
                             "updated_at": "2014-03-13T05:27:36.000000"},
          "nova-scheduler": {"available": true, "active": true,
                             "updated_at": "2014-03-13T05:27:38.000000"},
          "nova-cert": {"available": true, "active": true,
                        "updated_at": "2014-03-13T05:27:41.000000"}
        }}
      },
      {
        "zone_name": "nova",
        "zone_state": {"available": true},
        "hosts": {"localhost-dev": {
          "nova-compute": {"available": true, "active": true,
                           "updated_at": "2014-03-13T05:27:44.000000"}
        }}
      }
    ]
  }

Partially implements blueprint nova-api-attribute-test

Change-Id: Ie5742092a2884e9860aeefec483ca88a3df6a70c
diff --git a/tempest/api_schema/compute/availability_zone.py b/tempest/api_schema/compute/availability_zone.py
new file mode 100644
index 0000000..c1abc64
--- /dev/null
+++ b/tempest/api_schema/compute/availability_zone.py
@@ -0,0 +1,37 @@
+# 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.
+
+# NOTE: This is the detail information for "get az detail" API.
+# The information is the same between v2 and v3 APIs.
+detail = {
+    'type': 'object',
+    'patternProperties': {
+        # NOTE: Here is for a hostname
+        '^[a-zA-Z0-9-_.]+$': {
+            'type': 'object',
+            'patternProperties': {
+                # NOTE: Here is for a service name
+                '^.*$': {
+                    'type': 'object',
+                    'properties': {
+                        'available': {'type': 'boolean'},
+                        'active': {'type': 'boolean'},
+                        'updated_at': {'type': 'string'}
+                    },
+                    'required': ['available', 'active', 'updated_at']
+                }
+            }
+        }
+    }
+}
diff --git a/tempest/api_schema/compute/v2/availability_zone.py b/tempest/api_schema/compute/v2/availability_zone.py
new file mode 100644
index 0000000..d3d2787
--- /dev/null
+++ b/tempest/api_schema/compute/v2/availability_zone.py
@@ -0,0 +1,54 @@
+# 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 copy
+
+from tempest.api_schema.compute import availability_zone as common
+
+
+base = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'availabilityZoneInfo': {
+                'type': 'array',
+                'items': {
+                    'type': 'object',
+                    'properties': {
+                        'zoneName': {'type': 'string'},
+                        'zoneState': {
+                            'type': 'object',
+                            'properties': {
+                                'available': {'type': 'boolean'}
+                            },
+                            'required': ['available']
+                        },
+                        # NOTE: Here is the difference between detail and
+                        # non-detail.
+                        'hosts': {'type': 'null'}
+                    },
+                    'required': ['zoneName', 'zoneState', 'hosts']
+                }
+            }
+        },
+        'required': ['availabilityZoneInfo']
+    }
+}
+
+get_availability_zone_list = copy.deepcopy(base)
+
+get_availability_zone_list_detail = copy.deepcopy(base)
+get_availability_zone_list_detail['response_body']['properties'][
+    'availabilityZoneInfo']['items']['properties']['hosts'] = common.detail
diff --git a/tempest/api_schema/compute/v3/availability_zone.py b/tempest/api_schema/compute/v3/availability_zone.py
new file mode 100644
index 0000000..5f36c33
--- /dev/null
+++ b/tempest/api_schema/compute/v3/availability_zone.py
@@ -0,0 +1,53 @@
+# 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 copy
+
+from tempest.api_schema.compute import availability_zone as common
+
+
+base = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'availability_zone_info': {
+                'type': 'array',
+                'items': {
+                    'type': 'object',
+                    'properties': {
+                        'zone_name': {'type': 'string'},
+                        'zone_state': {
+                            'type': 'object',
+                            'properties': {
+                                'available': {'type': 'boolean'}
+                            },
+                            'required': ['available']
+                        },
+                        # NOTE: Here is the difference between detail and
+                        # non-detail
+                        'hosts': {'type': 'null'}
+                    },
+                    'required': ['zone_name', 'zone_state', 'hosts']
+                }
+            }
+        },
+        'required': ['availability_zone_info']
+    }
+}
+
+get_availability_zone_list = copy.deepcopy(base)
+get_availability_zone_list_detail = copy.deepcopy(base)
+get_availability_zone_list_detail['response_body']['properties'][
+    'availability_zone_info']['items']['properties']['hosts'] = common.detail
diff --git a/tempest/services/compute/json/availability_zone_client.py b/tempest/services/compute/json/availability_zone_client.py
index 9278d5b..1c067e8 100644
--- a/tempest/services/compute/json/availability_zone_client.py
+++ b/tempest/services/compute/json/availability_zone_client.py
@@ -15,6 +15,7 @@
 
 import json
 
+from tempest.api_schema.compute.v2 import availability_zone as schema
 from tempest.common import rest_client
 from tempest import config
 
@@ -31,9 +32,12 @@
     def get_availability_zone_list(self):
         resp, body = self.get('os-availability-zone')
         body = json.loads(body)
+        self.validate_response(schema.get_availability_zone_list, resp, body)
         return resp, body['availabilityZoneInfo']
 
     def get_availability_zone_list_detail(self):
         resp, body = self.get('os-availability-zone/detail')
         body = json.loads(body)
+        self.validate_response(schema.get_availability_zone_list_detail, resp,
+                               body)
         return resp, body['availabilityZoneInfo']
diff --git a/tempest/services/compute/v3/json/availability_zone_client.py b/tempest/services/compute/v3/json/availability_zone_client.py
index bad2de9..bf74e68 100644
--- a/tempest/services/compute/v3/json/availability_zone_client.py
+++ b/tempest/services/compute/v3/json/availability_zone_client.py
@@ -15,6 +15,7 @@
 
 import json
 
+from tempest.api_schema.compute.v3 import availability_zone as schema
 from tempest.common import rest_client
 from tempest import config
 
@@ -31,9 +32,12 @@
     def get_availability_zone_list(self):
         resp, body = self.get('os-availability-zone')
         body = json.loads(body)
+        self.validate_response(schema.get_availability_zone_list, resp, body)
         return resp, body['availability_zone_info']
 
     def get_availability_zone_list_detail(self):
         resp, body = self.get('os-availability-zone/detail')
         body = json.loads(body)
+        self.validate_response(schema.get_availability_zone_list_detail, resp,
+                               body)
         return resp, body['availability_zone_info']