"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
	"k8s.io/kubernetes/cmd/kubeadm/app/phases/upgrade"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
)

// NewControlPlane creates a kubeadm workflow phase that implements handling of control-plane upgrade.
func NewControlPlane() workflow.Phase {
	phase := workflow.Phase{
		Name:  "control-plane",
		Short: "Upgrade the control plane instance deployed on this node, if any",

				t.Errorf("invalid cfg.NodeRegistration.ImagePullPolicy %v", cfg.NodeRegistration.ImagePullPolicy)
			}
			if !rt.newControlPlane && (cfg.LocalAPIEndpoint.AdvertiseAddress != "1.2.3.4" || cfg.LocalAPIEndpoint.BindPort != 1234) {
				t.Errorf("invalid cfg.LocalAPIEndpoint: %v", cfg.LocalAPIEndpoint)
			}

)

// FetchInitConfigurationFromCluster fetches configuration from a ConfigMap in the cluster
func FetchInitConfigurationFromCluster(client clientset.Interface, printer output.Printer, logPrefix string, newControlPlane, skipComponentConfigs bool) (*kubeadmapi.InitConfiguration, error) {
	if printer == nil {
		printer = &output.TextPrinter{}
	}
	printer.Printf("[%s] Reading configuration from the cluster...\n", logPrefix)

		return "", errors.Wrap(err, "failed to close temporary test file")
	}
	return file.Name(), nil
}

func fakeFetchInitConfig(client clientset.Interface, printer output.Printer, logPrefix string, newControlPlane, skipComponentConfigs bool) (*kubeadmapi.InitConfiguration, error) {
	return &kubeadmapi.InitConfiguration{
		ClusterConfiguration: kubeadmapi.ClusterConfiguration{
			KubernetesVersion: "v1.0.1",
		},
	}, nil
}

}

// FetchInitConfigurationFunc defines the signature of the function which will fetch InitConfiguration from cluster.
type FetchInitConfigurationFunc func(client clientset.Interface, printer output.Printer, logPrefix string, newControlPlane, skipComponentConfigs bool) (*kubeadmapi.InitConfiguration, error)

func runDiff(fs *pflag.FlagSet, flags *diffFlags, args []string, fetchInitConfigurationFromCluster FetchInitConfigurationFunc) error {

	options.AddPatchesFlag(cmd.Flags(), &nodeOptions.patchesDir)

	// initialize the workflow runner with the list of phases
	nodeRunner.AppendPhase(phases.NewPreflightPhase())
	nodeRunner.AppendPhase(phases.NewControlPlane())
	nodeRunner.AppendPhase(phases.NewKubeletConfigPhase())

	// sets the data builder function, that will be used by the runner
	// both when running the entire workflow or single phases