"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
)

// SubCmdRun returns a function that handles a case where a subcommand must be specified
// Without this callback, if a user runs just the command without a subcommand,

	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
	"k8s.io/kubernetes/cmd/kubeadm/app/phases/controlplane"
	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/output"
)

type diffFlags struct {
	apiServerManifestPath         string
	controllerManagerManifestPath string

	"k8s.io/client-go/tools/clientcmd"
	certutil "k8s.io/client-go/util/cert"
	"k8s.io/client-go/util/keyutil"
	netutils "k8s.io/utils/net"

	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/pkiutil"
	testutil "k8s.io/kubernetes/cmd/kubeadm/test"
)

func TestPKICertificateReadWriter(t *testing.T) {

	"k8s.io/kubernetes/cmd/kubeadm/app/phases/controlplane"
	"k8s.io/kubernetes/cmd/kubeadm/app/phases/copycerts"
	kubeconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubeconfig"
	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
)

var controlPlanePrepareExample = cmdutil.Examples(`
	# Prepares the machine for serving a control plane
	kubeadm join phase control-plane-prepare all
`)