/**
     * @throws Exception
     */
    public void testGetContentsAsStream() throws Exception {
        final String contents = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><foo/>";
        assertNotNull("1", DomUtil.getContentsAsStream(contents, "UTF-8"));
    }

    /**
     * @throws Exception
     */
    public void testToString() throws Exception {

	utilsexec "k8s.io/utils/exec"

	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
)

var (
	preflightExample = cmdutil.Examples(`
		# Run pre-flight checks for kubeadm init using a config file.
		kubeadm init phase preflight --config kubeadm-config.yaml
		`)
)

import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureList;
import org.bouncycastle.openpgp.PGPUtil;
import org.bouncycastle.openpgp.jcajce.JcaPGPObjectFactory;
import org.bouncycastle.openpgp.operator.KeyFingerPrintCalculator;
import org.bouncycastle.openpgp.operator.PGPContentVerifierBuilderProvider;

	uploadKubeadmConfigExample = cmdutil.Examples(`
		# upload the configuration of your cluster
		kubeadm init phase upload-config --config=myConfig.yaml
		`)

	uploadKubeletConfigLongDesc = cmdutil.LongDesc(`
		Upload the kubelet configuration extracted from the kubeadm InitConfiguration object
		to a kubelet-config ConfigMap in the cluster
		`)

	uploadKubeletConfigExample = cmdutil.Examples(`

	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta4"
	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/validation"
	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
	"k8s.io/kubernetes/cmd/kubeadm/app/phases/controlplane"
	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"

	kubeadmapiv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3"
	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/pkiutil"
	testutil "k8s.io/kubernetes/cmd/kubeadm/test"
	kubeconfigtestutil "k8s.io/kubernetes/cmd/kubeadm/test/kubeconfig"
)

func generateTestKubeadmConfig(dir, id, certDir, clusterName string) (string, error) {

	cert, key, err := pkiutil.NewCertAndKey(caCert, caKey, makeTestCertConfig(organization, notBefore, notAfter))
	if err != nil {
		t.Fatalf("couldn't generate certificate: %v", err)
	}

	if err := pkiutil.WriteCertAndKey(dir, name, cert, key); err != nil {
		t.Fatalf("couldn't write out certificate %s to %s", name, dir)
	}

		},
		ClusterConfiguration: kubeadmapi.ClusterConfiguration{
			CertificatesDir: dir,
		},
	}

	caCfg := Certificates{
		{
			config:   pkiutil.CertConfig{},
			Name:     "test-ca",
			BaseName: "test-ca",
		},
		{
			config: pkiutil.CertConfig{
				Config: certutil.Config{
					AltNames: certutil.AltNames{
						DNSNames: []string{"test-domain.space"},
					},

	"k8s.io/client-go/tools/clientcmd"
	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
	certutil "k8s.io/client-go/util/cert"
	"k8s.io/client-go/util/keyutil"

	"k8s.io/kubernetes/cmd/kubeadm/app/util/pkiutil"
)

// certificateReadWriter defines the behavior of a component that
// read or write a certificate stored/embedded in a file
type certificateReadWriter interface {
	//Exists return true if the certificate exists

	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	dnsaddon "k8s.io/kubernetes/cmd/kubeadm/app/phases/addons/dns"
	proxyaddon "k8s.io/kubernetes/cmd/kubeadm/app/phases/addons/proxy"
)

var (
	coreDNSAddonLongDesc = cmdutil.LongDesc(`
		Install the CoreDNS addon components via the API server.