@Override
  public Void call() throws Exception {
    // Copy over the mandatory configs for the package.
    for (String f : LlapDaemonConfiguration.DAEMON_CONFIGS) {
      copyConfig(f);
    }
    for (String f : LlapDaemonConfiguration.SSL_DAEMON_CONFIGS) {
      try {
        copyConfig(f);
      } catch (Throwable t) {
        LOG.info("Error getting an optional config " + f + "; ignoring: " + t.getMessage());
      }
    }
    createLlapDaemonConfig();
    setUpLoggerConfig();
    setUpMetricsConfig();
    return null;
  }
Copy config files for the tarball.
llap-server/src/java/org/apache/hadoop/hive/llap/cli/service/AsyncTaskCopyConfigs.java