s/__DNS__SERVER__/$DNS_SERVER_IP/g
s/__DNS__DOMAIN__/$DNS_DOMAIN/g
s/__CLUSTER_CIDR__/$SERVICE_CLUSTER_IP_RANGE/g
s/__DNS__MEMORY__LIMIT__/$DNS_MEMORY_LIMIT/g
s/__MACHINE_GENERATED_WARNING__/Warning: This is a file generated from the base underscore template file: __SOURCE_FILENAME__/g
