Enable logging and log archiving for cluster tests.
Retry on cord_test_onos_restart/cluster_restart rpc failures.

Change-Id: I549056d72c25c08933a4e9bebfd36f951a608b1c
diff --git a/src/test/utils/CordLogger.py b/src/test/utils/CordLogger.py
index 51c7dc8..b026ab0 100644
--- a/src/test/utils/CordLogger.py
+++ b/src/test/utils/CordLogger.py
@@ -22,7 +22,7 @@
                 if not controller:
                     continue
                 retries = 0
-                while retries < 3:
+                while retries < 30:
                     cli = OnosCliDriver(controller = controller, connect = True)
                     if cli.handle:
                         cls.cliSessions[controller] = cli