Migrated tenant_usages_client.py from tempest

This migrates the above files from tempest. This includes tempest commits:

 * tenant_usages_client.py     : I0e6287b1a720d5f3f129fcaa8c08cf6d40abf8e8
 * tenant_usages.py            : If07f0a929c7085090bcefd4d2d565b896bf438f3
 * test_tenant_usages_client.py: I3ad6761651cec5e66012d08e6b63322f53286a5c

to see the commit history for these files refer to the above Change-Ids
in the tempest repository

Partially implements blueprint migrate-service-clients-to-tempest-lib
Change-Id: I94fc27bdb30e69ac22b5418d6dca0a06f51874c6

3 files changed, 214 insertions, 0 deletions

diff --git a/tempest_lib/api_schema/response/compute/v2_1/tenant_usages.py b/tempest_lib/api_schema/response/compute/v2_1/tenant_usages.py
new file mode 100644
index 0000000..d51ef12
--- /dev/null
+++ b/tempest_lib/api_schema/response/compute/v2_1/tenant_usages.py
@@ -0,0 +1,92 @@
+# 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
+
+_server_usages = {
+    'type': 'array',
+    'items': {
+        'type': 'object',
+        'properties': {
+            'ended_at': {
+                'oneOf': [
+                    {'type': 'string'},
+                    {'type': 'null'}
+                ]
+            },
+            'flavor': {'type': 'string'},
+            'hours': {'type': 'number'},
+            'instance_id': {'type': 'string'},
+            'local_gb': {'type': 'integer'},
+            'memory_mb': {'type': 'integer'},
+            'name': {'type': 'string'},
+            'started_at': {'type': 'string'},
+            'state': {'type': 'string'},
+            'tenant_id': {'type': 'string'},
+            'uptime': {'type': 'integer'},
+            'vcpus': {'type': 'integer'},
+        },
+        'required': ['ended_at', 'flavor', 'hours', 'instance_id', 'local_gb',
+                     'memory_mb', 'name', 'started_at', 'state', 'tenant_id',
+                     'uptime', 'vcpus']
+    }
+}
+
+_tenant_usage_list = {
+    'type': 'object',
+    'properties': {
+        'server_usages': _server_usages,
+        'start': {'type': 'string'},
+        'stop': {'type': 'string'},
+        'tenant_id': {'type': 'string'},
+        'total_hours': {'type': 'number'},
+        'total_local_gb_usage': {'type': 'number'},
+        'total_memory_mb_usage': {'type': 'number'},
+        'total_vcpus_usage': {'type': 'number'},
+    },
+    'required': ['start', 'stop', 'tenant_id',
+                 'total_hours', 'total_local_gb_usage',
+                 'total_memory_mb_usage', 'total_vcpus_usage']
+}
+
+# 'required' of get_tenant is different from list_tenant's.
+_tenant_usage_get = copy.deepcopy(_tenant_usage_list)
+_tenant_usage_get['required'] = ['server_usages', 'start', 'stop', 'tenant_id',
+                                 'total_hours', 'total_local_gb_usage',
+                                 'total_memory_mb_usage', 'total_vcpus_usage']
+
+list_tenant_usage = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'tenant_usages': {
+                'type': 'array',
+                'items': _tenant_usage_list
+            }
+        },
+        'required': ['tenant_usages']
+    }
+}
+
+get_tenant_usage = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'tenant_usage': _tenant_usage_get
+        },
+        'required': ['tenant_usage']
+    }
+}
diff --git a/tempest_lib/services/compute/tenant_usages_client.py b/tempest_lib/services/compute/tenant_usages_client.py
new file mode 100644
index 0000000..70df4d0
--- /dev/null
+++ b/tempest_lib/services/compute/tenant_usages_client.py
@@ -0,0 +1,43 @@
+# Copyright 2013 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest_lib.api_schema.response.compute.v2_1 import tenant_usages
+from tempest_lib.common import rest_client
+
+
+class TenantUsagesClient(rest_client.RestClient):
+
+    def list_tenant_usages(self, **params):
+        url = 'os-simple-tenant-usage'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(tenant_usages.list_tenant_usage, resp, body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_tenant_usage(self, tenant_id, **params):
+        url = 'os-simple-tenant-usage/%s' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(tenant_usages.get_tenant_usage, resp, body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest_lib/tests/services/compute/test_tenant_usages_client.py b/tempest_lib/tests/services/compute/test_tenant_usages_client.py
new file mode 100644
index 0000000..9ccb392
--- /dev/null
+++ b/tempest_lib/tests/services/compute/test_tenant_usages_client.py
@@ -0,0 +1,79 @@
+# Copyright 2015 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_lib.services.compute import tenant_usages_client
+from tempest_lib.tests import fake_auth_provider
+from tempest_lib.tests.services.compute import base
+
+
+class TestTenantUsagesClient(base.BaseComputeServiceTest):
+
+    FAKE_SERVER_USAGES = [{
+        "ended_at": None,
+        "flavor": "m1.tiny",
+        "hours": 1.0,
+        "instance_id": "1f1deceb-17b5-4c04-84c7-e0d4499c8fe0",
+        "local_gb": 1,
+        "memory_mb": 512,
+        "name": "new-server-test",
+        "started_at": "2012-10-08T20:10:44.541277",
+        "state": "active",
+        "tenant_id": "openstack",
+        "uptime": 3600,
+        "vcpus": 1
+        }]
+
+    FAKE_TENANT_USAGES = [{
+        "server_usages": FAKE_SERVER_USAGES,
+        "start": "2012-10-08T21:10:44.587336",
+        "stop": "2012-10-08T22:10:44.587336",
+        "tenant_id": "openstack",
+        "total_hours": 1,
+        "total_local_gb_usage": 1,
+        "total_memory_mb_usage": 512,
+        "total_vcpus_usage": 1
+        }]
+
+    def setUp(self):
+        super(TestTenantUsagesClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = tenant_usages_client.TenantUsagesClient(
+            fake_auth, 'compute', 'regionOne')
+
+    def _test_list_tenant_usages(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_tenant_usages,
+            'tempest_lib.common.rest_client.RestClient.get',
+            {"tenant_usages": self.FAKE_TENANT_USAGES},
+            to_utf=bytes_body)
+
+    def test_list_tenant_usages_with_str_body(self):
+        self._test_list_tenant_usages()
+
+    def test_list_tenant_usages_with_bytes_body(self):
+        self._test_list_tenant_usages(bytes_body=True)
+
+    def _test_show_tenant_usage(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_tenant_usage,
+            'tempest_lib.common.rest_client.RestClient.get',
+            {"tenant_usage": self.FAKE_TENANT_USAGES[0]},
+            to_utf=bytes_body,
+            tenant_id='openstack')
+
+    def test_show_tenant_usage_with_str_body(self):
+        self._test_show_tenant_usage()
+
+    def test_show_tenant_usage_with_bytes_body(self):
+        self._test_show_tenant_usage(bytes_body=True)