Heat could not create samples with Ceilometer

Heat could not create samples with Ceilometer, because ceilometer client has
change some key words in CREATION_ATTRIBUTES which is using by create sample.

Change-Id: I8e8dc80ae1b666ae74e2b2c2b757e7f468c25de2
Closes-Bug: #1455421

heat/engine/watchrule.py

@@ -280,14 +280,14 @@ class WatchRule(object):
     def _to_ceilometer(self, data):
         clients = self.context.clients
         sample = {}
-        sample['meter_type'] = 'gauge'
+        sample['counter_type'] = 'gauge'
 
         for k, d in iter(data.items()):
             if k == 'Namespace':
                 continue
-            sample['meter_name'] = k
-            sample['sample_volume'] = d['Value']
-            sample['meter_unit'] = d['Unit']
+            sample['counter_name'] = k
+            sample['counter_volume'] = d['Value']
+            sample['counter_unit'] = d['Unit']
             dims = d.get('Dimensions', {})
             if isinstance(dims, list):
                 dims = dims[0]

heat/tests/test_watch.py

@@ -605,6 +605,52 @@ class WatchRuleTest(common.HeatTestCase):
         self.assertEqual(['DummyAction'], actions)
         self.m.VerifyAll()
 
+    def test_to_ceilometer(self):
+
+        rule = {u'EvaluationPeriods': u'1',
+                u'AlarmDescription': u'test alarm',
+                u'Period': u'300',
+                u'ComparisonOperator': u'GreaterThanThreshold',
+                u'Statistic': u'SampleCount',
+                u'Threshold': u'2',
+                u'MetricName': u'CreateDataMetric'}
+        testdata = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1"}}
+        sample = dict()
+        sample['counter_type'] = 'gauge'
+
+        for k, d in iter(testdata.items()):
+            if k == 'Namespace':
+                continue
+            sample['counter_name'] = k
+            sample['counter_volume'] = d['Value']
+            sample['counter_unit'] = d['Unit']
+            dims = d.get('Dimensions', {})
+            if isinstance(dims, list):
+                dims = dims[0]
+            sample['resource_metadata'] = dims
+            sample['resource_id'] = dims.get('InstanceId')
+
+        self.wr = watchrule.WatchRule(context=self.ctx,
+                                      watch_name='create_data_test',
+                                      stack_id=self.stack_id, rule=rule)
+        self.wr.store()
+
+        self.m.StubOutWithMock(self.wr.context.clients.client('ceilometer').
+                               samples, 'create', True)
+
+        # fake samples.create callback
+        def fake_create(counter_type, counter_name, counter_volume,
+                        counter_unit, resource_metadata, resource_id):
+            pass
+
+        self.wr.context.clients.client('ceilometer').samples.\
+            create(**sample).MultipleTimes().WithSideEffects(fake_create)
+        self.m.ReplayAll()
+        try:
+            self.wr._to_ceilometer(testdata)
+        except mox.UnexpectedMethodCallError:
+            raise KeyError("Error input parameter")
+
     def test_create_watch_data(self):
         rule = {u'EvaluationPeriods': u'1',
                 u'AlarmDescription': u'test alarm',