CLOUD_CONFIG_VOLUME=""
  CLOUD_CONFIG_MOUNT=""
  if [[ -f /etc/gce.conf ]]; then
    CLOUD_CONFIG_OPT="--cloud-config=/etc/gce.conf"
    CLOUD_CONFIG_VOLUME="{\"name\": \"cloudconfigmount\",\"hostPath\": {\"path\": \"/etc/gce.conf\", \"type\": \"FileOrCreate\"}},"
    CLOUD_CONFIG_MOUNT="{\"name\": \"cloudconfigmount\",\"mountPath\": \"/etc/gce.conf\", \"readOnly\": true},"
  fi
  DOCKER_REGISTRY="registry.k8s.io"

    fi
    if [[ "${MASTER_OS_DISTRIBUTION}" == "ubuntu" ]]; then
      # Configure the file path for host dns configuration
      # as ubuntu uses systemd-resolved
      flags+=" --resolv-conf=/run/systemd/resolve/resolv.conf"
    fi
  else # For nodes
    flags+=" ${NODE_KUBELET_TEST_ARGS:-}"
    flags+=" --bootstrap-kubeconfig=/var/lib/kubelet/bootstrap-kubeconfig"
    flags+=" --kubeconfig=/var/lib/kubelet/kubeconfig"

	// check node capabilities since the mount path is not the default
	if len(experimentalMounterPath) != 0 {
		// Replace the nameserver in containerized-mounter's rootfs/etc/resolv.conf with kubelet.ClusterDNS
		// so that service name could be resolved
		klet.dnsConfigurer.SetupDNSinContainerizedMounter(experimentalMounterPath)
	}

	// setup volumeManager