If provisioning of redis fails, we need to flag error and exit instead of continuing.
If provisioning of redis fails, we need to flag error and exit instead
of continuing.

Change-Id: Icdedd8c157e9452edf30e17424f74c93f5fc81e1
Closes-Bug: #1458058

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils