KUBE_DNS_PORT=udp://10.110.0.10:53
# shellcheck disable=SC2034
KUBERNETES_SERVICE_PORT_HTTPS=443
# shellcheck disable=SC2034
KUBERNETES_PORT_443_TCP_PORT=443
# shellcheck disable=SC2034
KUBERNETES_PORT_443_TCP=tcp://10.110.0.1:443
# shellcheck disable=SC2034
KUBE_DNS_PORT_53_TCP_PORT=53
# shellcheck disable=SC2034
KUBE_DNS_PORT_53_TCP=tcp://10.110.0.10:53
# shellcheck disable=SC2034
KUBERNETES_SERVICE_PORT=443
# shellcheck disable=SC2034

	if len(cfg.K8sServiceHost) == 0 {
		return kubeconfig{}, fmt.Errorf("KUBERNETES_SERVICE_HOST not set. Is this not running within a pod?")
	}

	if len(cfg.K8sServicePort) == 0 {
		return kubeconfig{}, fmt.Errorf("KUBERNETES_SERVICE_PORT not set. Is this not running within a pod?")
	}

	protocol := model.GetOrDefault(cfg.K8sServiceProtocol, "https")
	cluster := &api.Cluster{

	// Whether to use insecure TLS in the kubeconfig file
	SkipTLSVerify bool

	// KUBERNETES_SERVICE_PROTOCOL
	K8sServiceProtocol string
	// KUBERNETES_SERVICE_HOST
	K8sServiceHost string
	// KUBERNETES_SERVICE_PORT
	K8sServicePort string
	// KUBERNETES_NODE_NAME
	K8sNodeName string

	// Directory from where the CNI binaries should be copied
	CNIBinSourceDir string
	// Directories into which to copy the CNI binaries

	cniConfigStr = strings.ReplaceAll(cniConfigStr, "__KUBERNETES_SERVICE_HOST__", vars.k8sServiceHost)
	cniConfigStr = strings.ReplaceAll(cniConfigStr, "__KUBERNETES_SERVICE_PORT__", vars.k8sServicePort)
	cniConfigStr = strings.ReplaceAll(cniConfigStr, "__KUBERNETES_NODE_NAME__", vars.k8sNodeName)

	installLog.Infof("CNI config: %s", cniConfigStr)

	return []byte(cniConfigStr)
}

		SkipTLSVerify:      viper.GetBool(constants.SkipTLSVerify),
		K8sServiceProtocol: os.Getenv("KUBERNETES_SERVICE_PROTOCOL"),
		K8sServiceHost:     os.Getenv("KUBERNETES_SERVICE_HOST"),
		K8sServicePort:     os.Getenv("KUBERNETES_SERVICE_PORT"),
		K8sNodeName:        os.Getenv("KUBERNETES_NODE_NAME"),

		CNIBinSourceDir:   constants.CNIBinDir,
		CNIBinTargetDirs:  []string{constants.HostCNIBinDir},