public boolean isFQDNValue(String value) {
      return !value.contains("%HOSTGROUP") &&
        !value.contains(LOCALHOST);
    }
Convenience method to determine if a property value is a
customer-specified FQDN.

@param value property value to examine
@return true if the property represents an FQDN value
        false if the property does not represent an FQDN value
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessor.java