Merge "Retry Coordinator start indefinitely"

designate/coordination.py

@@ -17,6 +17,7 @@
 # under the License.
 
 import math
+import time
 import uuid
 
 from oslo_config import cfg
@@ -79,13 +80,18 @@ class CoordinationMixin(object):
         super(CoordinationMixin, self).start()
 
         if self._coordinator is not None:
+            while not self._coordination_started:
+                try:
                     self._coordinator.start()
-
                     self._coordinator.create_group(self.service_name)
                     self._coordinator.join_group(self.service_name)
-
                     self._coordination_started = True
 
+                except Exception:
+                    LOG.warn(_LW("Failed to start Coordinator:"),
+                             exc_info=True)
+                    time.sleep(15)
+
     def stop(self):
         if self._coordinator is not None:
             self._coordination_started = False