Fixing DNS issues related ot changing db_api.
Fixing DNS issues related ot changing db_api.

Change-Id: Iddda68ea819c2f1ce0b60ba791dbd2594ef05502

hplustree/trove,redhat-openstack/trove,cp16net/trove,changsimon/trove,fabian4/trove,mmasaki/trove,fabian4/trove,citrix-openstack/build-trove,openstack/trove,citrix-openstack-build/trove,fabian4/trove,openstack/trove,citrix-openstack/build-trove,redhat-openstack/trove,zhujzhuo/openstack-trove,citrix-openstack-build/trove,mmasaki/trove,mmasaki/trove,hplustree/trove,citrix-openstack/build-trove,denismakogon/trove-guestagent,zhangg/trove,zhujzhuo/openstack-trove,denismakogon/trove-guestagent,citrix-openstack-build/trove,changsimon/trove,zhujzhuo/openstack-trove,zhangg/trove,cp16net/trove,changsimon/trove,redhat-openstack/trove,cp16net/trove