CLOUD-89 set cluster name min. to 5
CLOUD-89 set cluster name min. to 5

hortonworks/cloudbreak,sequenceiq/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak,sequenceiq/cloudbreak,hortonworks/cloudbreak,sequenceiq/cloudbreak,sequenceiq/cloudbreak,sequenceiq/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak