return nil, err
			}
		} else {
			return nil, err
		}
	}

	clusterDNS := make([]net.IP, 0, len(kubeCfg.ClusterDNS))
	for _, ipEntry := range kubeCfg.ClusterDNS {
		ip := netutils.ParseIPSloppy(ipEntry)
		if ip == nil {
			klog.InfoS("Invalid clusterDNS IP", "IP", ipEntry)
		} else {
			clusterDNS = append(clusterDNS, ip)
		}
	}

  quoted_dns_server_ip=$(yaml-quote "${DNS_SERVER_IP}")
  quoted_dns_domain=$(yaml-quote "${DNS_DOMAIN}")
  cat <<EOF
kind: KubeletConfiguration
apiVersion: kubelet.config.k8s.io/v1beta1
cgroupRoot: /
clusterDNS:
  - ${quoted_dns_server_ip}
clusterDomain: ${quoted_dns_domain}
readOnlyPort: 10255
EOF

  # Note: ENABLE_MANIFEST_URL is used by GKE.

}

def ClusterFormationPass : Pass<"tf-device-cluster-formation", "mlir::ModuleOp"> {
  let summary = "Form clusters from instructions assigned to same device";
  let constructor = "TFDevice::CreateClusterFormationPass()";
  let dependentDialects = ["tf_device::TensorFlowDeviceDialect"];
  let description = [{
    Clusters operations with the same device assignment id. For each

			subsetClusters := cb.applyDestinationRule(ec, tt.clusterMode, tt.service, tt.port, eb, destRule.GetRule(), nil)
			if len(subsetClusters) != len(tt.expectedSubsetClusters) {
				t.Fatalf("Unexpected subset clusters want %v, got %v. keys=%v",
					len(tt.expectedSubsetClusters), len(subsetClusters), xdstest.MapKeys(xdstest.ExtractClusters(subsetClusters)))
			}
			if len(tt.expectedSubsetClusters) > 0 {

	buffer.WriteString("fe00::1\tip6-allnodes\n")
	buffer.WriteString("fe00::2\tip6-allrouters\n")
	if len(hostDomainName) > 0 {
		// host entry generated for all IPs in podIPs
		// podIPs field is populated for clusters even
		// dual-stack feature flag is not enabled.
		for _, hostIP := range hostIPs {
			buffer.WriteString(fmt.Sprintf("%s\t%s.%s\t%s\n", hostIP, hostName, hostDomainName, hostName))
		}
	} else {

--"},"fieldConfig":{"defaults":{"custom":{"drawStyle":"bars","fillOpacity":100,"gradientMode":"none","showPoints":"never","stacking":{"mode":"normal"}},"unit":"ops"},"overrides":[{"matcher":{"id":"byName","options":"cds"},"properties":[{"id":"displayName","value":"Clusters"}]},{"matcher":{"id":"byName","options":"eds"},"properties":[{"id":"displayName","value":"Endpoints"}]},{"matcher":{"id":"byName","options":"lds"},"properties":[{"id":"displayName","value":"Listeners"}]},{"matcher":{"id":"byName","options":"rds"...