}

// writeKubeletFlagBytesToDisk writes a byte slice down to disk at the specific location of the kubelet flag overrides file
func writeKubeletFlagBytesToDisk(b []byte, kubeletDir string) error {
	kubeletEnvFilePath := filepath.Join(kubeletDir, constants.KubeletEnvFileName)
	fmt.Printf("[kubelet-start] Writing kubelet environment file with flags to file %q\n", kubeletEnvFilePath)

	// creates target folder if not already exists

	// kubelet.  If the kubelet is configured to verify the apiserver's TLS credentials, it does not mean the
	// connection to the real kubelet is vulnerable to a man in the middle attack (e.g. an attacker could not intercept
	// the actual log data coming from the real kubelet).
	// +optional
	InsecureSkipTLSVerifyBackend bool
}

0::/system.slice/docker-8445c3ca20fac1d8e74854d84a7e6a57297ffb22809098b2816b31a428f2b777.scope/kubelet.slice/kubelet-kubepods.slice/kubelet-kubepods-besteffort.slice/kubelet-kubepods-besteffort-pod863b91d4_4b68_4efa_917f_4b560e3e86aa.slice/cri-containerd-75c7fe7ad0df679971e755bd97b84dd68a32e1eba8e8f99b01ab3c07196a3e4a.scope...

func NodeAddress(nodeIPs []net.IP, // typically Kubelet.nodeIPs
	validateNodeIPFunc func(net.IP) error, // typically Kubelet.nodeIPValidator
	hostname string, // typically Kubelet.hostname
	hostnameOverridden bool, // was the hostname force set?
	externalCloudProvider bool, // typically Kubelet.externalCloudProvider
	cloud cloudprovider.Interface, // typically Kubelet.cloud

	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
	"k8s.io/kubernetes/pkg/features"
	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
	"k8s.io/kubernetes/pkg/kubelet/metrics"
	"k8s.io/kubernetes/pkg/kubelet/status/state"
	kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
	kubeutil "k8s.io/kubernetes/pkg/kubelet/util"
	statusutil "k8s.io/kubernetes/pkg/util/pod"
)

	"k8s.io/apimachinery/pkg/util/sets"

	// TODO: Migrate kubelet to either use its own internal objects or client library.
	v1 "k8s.io/api/core/v1"
	internalapi "k8s.io/cri-api/pkg/apis"
	podresourcesapi "k8s.io/kubelet/pkg/apis/podresources/v1"
	kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
	"k8s.io/kubernetes/pkg/kubelet/apis/podresources"
	"k8s.io/kubernetes/pkg/kubelet/cm/devicemanager"
	"k8s.io/kubernetes/pkg/kubelet/config"

*/

package configfiles

import (
	"fmt"
	"path/filepath"

	"k8s.io/apimachinery/pkg/runtime/serializer"
	kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
	kubeletscheme "k8s.io/kubernetes/pkg/kubelet/apis/config/scheme"
	utilcodec "k8s.io/kubernetes/pkg/kubelet/kubeletconfig/util/codec"
	utilfs "k8s.io/kubernetes/pkg/util/filesystem"
)

// Loader loads configuration from a storage layer
type Loader interface {

	if !dryRun {
		fmt.Printf("[upgrade] Backing up kubelet config file to %s\n", dest)
		err := kubeadmutil.CopyFile(src, dest)
		if err != nil {
			return errors.Wrap(err, "error backing up the kubelet config file")
		}
	} else {
		fmt.Printf("[dryrun] Would back up kubelet config file to %s\n", dest)
	}

	errs := []error{}
	// Write the configuration for the kubelet down to disk so the upgraded kubelet can start with fresh config

	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
	"k8s.io/kubelet/config/v1beta1"
	"k8s.io/kubernetes/pkg/cluster/ports"
	kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
	kubeletconfigv1beta1 "k8s.io/kubernetes/pkg/kubelet/apis/config/v1beta1"
	"k8s.io/kubernetes/pkg/kubelet/eviction"
	"k8s.io/kubernetes/pkg/kubelet/qos"
	kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
	utilpointer "k8s.io/utils/pointer"
)

STORAGE_MEDIA_TYPE=${STORAGE_MEDIA_TYPE:-}

NETWORK_PROVIDER=${NETWORK_PROVIDER:-kubenet} # none, kubenet

# Network Policy plugin specific settings.
NETWORK_POLICY_PROVIDER=${NETWORK_POLICY_PROVIDER:-none} # calico

export NON_MASQUERADE_CIDR='0.0.0.0/0'

# How should the kubelet configure hairpin mode?
HAIRPIN_MODE=${HAIRPIN_MODE:-hairpin-veth} # promiscuous-bridge, hairpin-veth, none