private void fillHostComponentCommands() {
    //Standart commands for any host component
    defaultHostComponentCommands.add("RESTART");
    defaultHostComponentCommands.add("START");
    defaultHostComponentCommands.add("STOP");
    defaultHostComponentCommands.add("INSTALL");
    defaultHostComponentCommands.add("CONFIGURE");
    defaultHostComponentCommands.add("CONFIGURE_FUNCTION");
    defaultHostComponentCommands.add("DISABLE_SECURITY");
    defaultHostComponentCommands.add("RECONFIGURE");
  }
Contains metadata about actions supported by services
ambari-server/src/main/java/org/apache/ambari/server/metadata/ActionMetadata.java