self.name doesn't exist in Rate and Counter object

Saw error message in collector log showing:
AttributeError: 'Rate' object has no attribute 'name'

In the new base metric class init function, variable name
got passed into self.metric. That's why self.name doesn't
exist anymore.

Change-Id: Idfd2fe5d257332327449e2766544dd36d8a003c1

monasca_agent/common/metrics.py

@@ -3,9 +3,6 @@
 """
 import logging
 
-from monasca_agent.common.exceptions import UnknownValue
-
-
 log = logging.getLogger(__name__)
 
 
@@ -78,7 +75,7 @@ class Counter(Metric):
             self.timestamp = timestamp
         except TypeError:
             log.error("metric {} value {} sample_rate {}".
-                      format(self.name, value, sample_rate))
+                      format(self.metric['name'], value, sample_rate))
 
     def flush(self):
         envelope = self.measurement(self.value, self.timestamp)
@@ -116,14 +113,15 @@ class Rate(Metric):
         if delta_v < 0:
             log.debug('Metric {0} has a rate < 0. New value = {1} and old '
                       'value = {2}. Counter may have been Reset.'.
-                      format(self.name, sample2[1], sample1[1]))
+                      format(self.metric['name'], sample2[1], sample1[1]))
             return rate
         try:
             rate = delta_v / float(delta_t)
         except ZeroDivisionError as e:
             log.exception('Error in sampling metric {0}, time difference '
                           'between current time and last_update time is '
-                          '0, returned {1}'.format(self.name, e))
+                          '0, returned {1}'.
+                          format(self.self.metric['name'], e))
         return rate
 
     def flush(self):

requirements.txt

@@ -1,7 +1,9 @@
 requests>=2.7.0,<=2.10.0
 
-oslo.config<=3.12.0
-oslo.utils<=3.15.0
+oslo.concurrency<=3.13.0
+oslo.config<=3.14.0
+oslo.i18n<=3.8.0
+oslo.utils<=3.16.0
 oslo.vmware>=1.16.0,<=2.10.0
 
 PyYAML>=3.1.0,<=3.11