tempest: copy telemetry client from tempest tree

Change-Id: Ib1a5bb4ac819a02346befe5220af2534998758f8
Implements: blueprint tempest-plugin

ceilometer/tests/tempest/client.py

@@ -0,0 +1,92 @@
+# Copyright 2014 OpenStack Foundation
+# 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.common import service_client
+
+
+class TelemetryClient(service_client.ServiceClient):
+
+    version = '2'
+    uri_prefix = "v2"
+
+    def deserialize(self, body):
+        return json.loads(body.replace("\n", ""))
+
+    def serialize(self, body):
+        return json.dumps(body)
+
+    def add_sample(self, sample_list, meter_name, meter_unit, volume,
+                   sample_type, resource_id, **kwargs):
+        sample = {"counter_name": meter_name, "counter_unit": meter_unit,
+                  "counter_volume": volume, "counter_type": sample_type,
+                  "resource_id": resource_id}
+        for key in kwargs:
+            sample[key] = kwargs[key]
+
+        sample_list.append(self.serialize(sample))
+        return sample_list
+
+    def create_sample(self, meter_name, sample_list):
+        uri = "%s/meters/%s" % (self.uri_prefix, meter_name)
+        body = self.serialize(sample_list)
+        resp, body = self.post(uri, body)
+        self.expected_success(200, resp.status)
+        body = self.deserialize(body)
+        return service_client.ResponseBody(resp, body)
+
+    def _helper_list(self, uri, query=None, period=None):
+        uri_dict = {}
+        if query:
+            uri_dict = {'q.field': query[0],
+                        'q.op': query[1],
+                        'q.value': query[2]}
+        if period:
+            uri_dict['period'] = period
+        if uri_dict:
+            uri += "?%s" % urllib.urlencode(uri_dict)
+        resp, body = self.get(uri)
+        self.expected_success(200, resp.status)
+        body = self.deserialize(body)
+        return service_client.ResponseBodyList(resp, body)
+
+    def list_resources(self, query=None):
+        uri = '%s/resources' % self.uri_prefix
+        return self._helper_list(uri, query)
+
+    def list_meters(self, query=None):
+        uri = '%s/meters' % self.uri_prefix
+        return self._helper_list(uri, query)
+
+    def list_statistics(self, meter, period=None, query=None):
+        uri = "%s/meters/%s/statistics" % (self.uri_prefix, meter)
+        return self._helper_list(uri, query, period)
+
+    def list_samples(self, meter_id, query=None):
+        uri = '%s/meters/%s' % (self.uri_prefix, meter_id)
+        return self._helper_list(uri, query)
+
+    def list_events(self, query=None):
+        uri = '%s/events' % self.uri_prefix
+        return self._helper_list(uri, query)
+
+    def show_resource(self, resource_id):
+        uri = '%s/resources/%s' % (self.uri_prefix, resource_id)
+        resp, body = self.get(uri)
+        self.expected_success(200, resp.status)
+        body = self.deserialize(body)
+        return service_client.ResponseBody(resp, body)