[Unity] Fix Coordinator uninitialized issue (#11)

Start Coordinator when initializing Unity driver

Author: yong-huang

cinder/volume/drivers/dell_emc/unity/adapter.py

@@ -20,12 +20,13 @@
 from oslo_log import log as logging
 from oslo_utils import excutils
 
+from cinder import coordination
 from cinder import exception
 from cinder import utils as cinder_utils
 from cinder.i18n import _, _LE, _LI
+from cinder.volume import utils as vol_utils
 from cinder.volume.drivers.dell_emc.unity import client
 from cinder.volume.drivers.dell_emc.unity import utils
-from cinder.volume import utils as vol_utils
 
 LOG = logging.getLogger(__name__)
 
@@ -83,6 +84,7 @@ def do_setup(self, driver, conf):
         self.storage_pools_map = self.get_managed_pools()
 
         self.allowed_ports = self.validate_ports(self.config.unity_io_ports)
+        coordination.COORDINATOR.start()
 
     def normalize_config(self, config):
         config.unity_storage_pool_names = utils.remove_empty(

cinder/volume/drivers/dell_emc/unity/driver.py

@@ -53,13 +53,14 @@ class UnityDriver(driver.TransferVD,
     """Unity Driver.
 
     Version history:
+        00.04.05 - Fix Coordinator uninitialized issue
         00.04.04 - Fix duplicate hosts created with same name (cherry-pick from
                    downstream Newton
         00.04.03 - Add TransferVD to base, and fix version number
         00.04.02 - Initial version
     """
 
-    VERSION = '00.04.04'
+    VERSION = '00.04.05'
     VENDOR = 'Dell EMC'
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "EMC_UNITY_CI"