Fresh dep ensure

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/exec/BUILD

@@ -0,0 +1,56 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["exec.go"],
+    importpath = "k8s.io/kubernetes/pkg/kubectl/cmd/exec",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/kubectl/cmd/util:go_default_library",
+        "//pkg/kubectl/scheme:go_default_library",
+        "//pkg/kubectl/util/i18n:go_default_library",
+        "//pkg/kubectl/util/templates:go_default_library",
+        "//pkg/kubectl/util/term:go_default_library",
+        "//pkg/util/interrupt:go_default_library",
+        "//staging/src/k8s.io/api/core/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/cli-runtime/pkg/genericclioptions:go_default_library",
+        "//staging/src/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
+        "//staging/src/k8s.io/client-go/rest:go_default_library",
+        "//staging/src/k8s.io/client-go/tools/remotecommand:go_default_library",
+        "//vendor/github.com/docker/docker/pkg/term:go_default_library",
+        "//vendor/github.com/spf13/cobra:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["exec_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "//pkg/kubectl/cmd/testing:go_default_library",
+        "//pkg/kubectl/scheme:go_default_library",
+        "//pkg/kubectl/util/term:go_default_library",
+        "//staging/src/k8s.io/api/core/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/cli-runtime/pkg/genericclioptions:go_default_library",
+        "//staging/src/k8s.io/client-go/rest:go_default_library",
+        "//staging/src/k8s.io/client-go/rest/fake:go_default_library",
+        "//staging/src/k8s.io/client-go/tools/remotecommand:go_default_library",
+        "//vendor/github.com/spf13/cobra:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/exec/exec.go

@@ -0,0 +1,333 @@
+/*
+Copyright 2014 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package exec
+
+import (
+	"fmt"
+	"io"
+	"net/url"
+
+	dockerterm "github.com/docker/docker/pkg/term"
+	"github.com/spf13/cobra"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	coreclient "k8s.io/client-go/kubernetes/typed/core/v1"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/remotecommand"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+	"k8s.io/kubernetes/pkg/kubectl/scheme"
+	"k8s.io/kubernetes/pkg/kubectl/util/i18n"
+	"k8s.io/kubernetes/pkg/kubectl/util/templates"
+	"k8s.io/kubernetes/pkg/kubectl/util/term"
+	"k8s.io/kubernetes/pkg/util/interrupt"
+)
+
+var (
+	exec_example = templates.Examples(i18n.T(`
+		# Get output from running 'date' from pod 123456-7890, using the first container by default
+		kubectl exec 123456-7890 date
+
+		# Get output from running 'date' in ruby-container from pod 123456-7890
+		kubectl exec 123456-7890 -c ruby-container date
+
+		# Switch to raw terminal mode, sends stdin to 'bash' in ruby-container from pod 123456-7890
+		# and sends stdout/stderr from 'bash' back to the client
+		kubectl exec 123456-7890 -c ruby-container -i -t -- bash -il
+
+		# List contents of /usr from the first container of pod 123456-7890 and sort by modification time.
+		# If the command you want to execute in the pod has any flags in common (e.g. -i),
+		# you must use two dashes (--) to separate your command's flags/arguments.
+		# Also note, do not surround your command and its flags/arguments with quotes
+		# unless that is how you would execute it normally (i.e., do ls -t /usr, not "ls -t /usr").
+		kubectl exec 123456-7890 -i -t -- ls -t /usr
+		`))
+)
+
+const (
+	execUsageStr = "expected 'exec POD_NAME COMMAND [ARG1] [ARG2] ... [ARGN]'.\nPOD_NAME and COMMAND are required arguments for the exec command"
+)
+
+func NewCmdExec(f cmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
+	options := &ExecOptions{
+		StreamOptions: StreamOptions{
+			IOStreams: streams,
+		},
+
+		Executor: &DefaultRemoteExecutor{},
+	}
+	cmd := &cobra.Command{
+		Use:                   "exec POD [-c CONTAINER] -- COMMAND [args...]",
+		DisableFlagsInUseLine: true,
+		Short:                 i18n.T("Execute a command in a container"),
+		Long:                  "Execute a command in a container.",
+		Example:               exec_example,
+		Run: func(cmd *cobra.Command, args []string) {
+			argsLenAtDash := cmd.ArgsLenAtDash()
+			cmdutil.CheckErr(options.Complete(f, cmd, args, argsLenAtDash))
+			cmdutil.CheckErr(options.Validate())
+			cmdutil.CheckErr(options.Run())
+		},
+	}
+	cmd.Flags().StringVarP(&options.PodName, "pod", "p", options.PodName, "Pod name")
+	cmd.Flags().MarkDeprecated("pod", "This flag is deprecated and will be removed in future. Use exec POD_NAME instead.")
+	// TODO support UID
+	cmd.Flags().StringVarP(&options.ContainerName, "container", "c", options.ContainerName, "Container name. If omitted, the first container in the pod will be chosen")
+	cmd.Flags().BoolVarP(&options.Stdin, "stdin", "i", options.Stdin, "Pass stdin to the container")
+	cmd.Flags().BoolVarP(&options.TTY, "tty", "t", options.TTY, "Stdin is a TTY")
+	return cmd
+}
+
+// RemoteExecutor defines the interface accepted by the Exec command - provided for test stubbing
+type RemoteExecutor interface {
+	Execute(method string, url *url.URL, config *restclient.Config, stdin io.Reader, stdout, stderr io.Writer, tty bool, terminalSizeQueue remotecommand.TerminalSizeQueue) error
+}
+
+// DefaultRemoteExecutor is the standard implementation of remote command execution
+type DefaultRemoteExecutor struct{}
+
+func (*DefaultRemoteExecutor) Execute(method string, url *url.URL, config *restclient.Config, stdin io.Reader, stdout, stderr io.Writer, tty bool, terminalSizeQueue remotecommand.TerminalSizeQueue) error {
+	exec, err := remotecommand.NewSPDYExecutor(config, method, url)
+	if err != nil {
+		return err
+	}
+	return exec.Stream(remotecommand.StreamOptions{
+		Stdin:             stdin,
+		Stdout:            stdout,
+		Stderr:            stderr,
+		Tty:               tty,
+		TerminalSizeQueue: terminalSizeQueue,
+	})
+}
+
+type StreamOptions struct {
+	Namespace     string
+	PodName       string
+	ContainerName string
+	Stdin         bool
+	TTY           bool
+	// minimize unnecessary output
+	Quiet bool
+	// InterruptParent, if set, is used to handle interrupts while attached
+	InterruptParent *interrupt.Handler
+
+	genericclioptions.IOStreams
+
+	// for testing
+	overrideStreams func() (io.ReadCloser, io.Writer, io.Writer)
+	isTerminalIn    func(t term.TTY) bool
+}
+
+// ExecOptions declare the arguments accepted by the Exec command
+type ExecOptions struct {
+	StreamOptions
+
+	Command []string
+
+	FullCmdName       string
+	SuggestedCmdUsage string
+
+	Executor  RemoteExecutor
+	PodClient coreclient.PodsGetter
+	Config    *restclient.Config
+}
+
+// Complete verifies command line arguments and loads data from the command environment
+func (p *ExecOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, argsIn []string, argsLenAtDash int) error {
+	// Let kubectl exec follow rules for `--`, see #13004 issue
+	if len(p.PodName) == 0 && (len(argsIn) == 0 || argsLenAtDash == 0) {
+		return cmdutil.UsageErrorf(cmd, execUsageStr)
+	}
+	if len(p.PodName) != 0 {
+		if len(argsIn) < 1 {
+			return cmdutil.UsageErrorf(cmd, execUsageStr)
+		}
+		p.Command = argsIn
+	} else {
+		p.PodName = argsIn[0]
+		p.Command = argsIn[1:]
+		if len(p.Command) < 1 {
+			return cmdutil.UsageErrorf(cmd, execUsageStr)
+		}
+	}
+
+	namespace, _, err := f.ToRawKubeConfigLoader().Namespace()
+	if err != nil {
+		return err
+	}
+	p.Namespace = namespace
+
+	cmdParent := cmd.Parent()
+	if cmdParent != nil {
+		p.FullCmdName = cmdParent.CommandPath()
+	}
+	if len(p.FullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "describe") {
+		p.SuggestedCmdUsage = fmt.Sprintf("Use '%s describe pod/%s -n %s' to see all of the containers in this pod.", p.FullCmdName, p.PodName, p.Namespace)
+	}
+
+	config, err := f.ToRESTConfig()
+	if err != nil {
+		return err
+	}
+	p.Config = config
+
+	clientset, err := f.KubernetesClientSet()
+	if err != nil {
+		return err
+	}
+	p.PodClient = clientset.CoreV1()
+
+	return nil
+}
+
+// Validate checks that the provided exec options are specified.
+func (p *ExecOptions) Validate() error {
+	if len(p.PodName) == 0 {
+		return fmt.Errorf("pod name must be specified")
+	}
+	if len(p.Command) == 0 {
+		return fmt.Errorf("you must specify at least one command for the container")
+	}
+	if p.Out == nil || p.ErrOut == nil {
+		return fmt.Errorf("both output and error output must be provided")
+	}
+	if p.Executor == nil || p.PodClient == nil || p.Config == nil {
+		return fmt.Errorf("client, client config, and executor must be provided")
+	}
+	return nil
+}
+
+func (o *StreamOptions) SetupTTY() term.TTY {
+	t := term.TTY{
+		Parent: o.InterruptParent,
+		Out:    o.Out,
+	}
+
+	if !o.Stdin {
+		// need to nil out o.In to make sure we don't create a stream for stdin
+		o.In = nil
+		o.TTY = false
+		return t
+	}
+
+	t.In = o.In
+	if !o.TTY {
+		return t
+	}
+
+	if o.isTerminalIn == nil {
+		o.isTerminalIn = func(tty term.TTY) bool {
+			return tty.IsTerminalIn()
+		}
+	}
+	if !o.isTerminalIn(t) {
+		o.TTY = false
+
+		if o.ErrOut != nil {
+			fmt.Fprintln(o.ErrOut, "Unable to use a TTY - input is not a terminal or the right kind of file")
+		}
+
+		return t
+	}
+
+	// if we get to here, the user wants to attach stdin, wants a TTY, and o.In is a terminal, so we
+	// can safely set t.Raw to true
+	t.Raw = true
+
+	if o.overrideStreams == nil {
+		// use dockerterm.StdStreams() to get the right I/O handles on Windows
+		o.overrideStreams = dockerterm.StdStreams
+	}
+	stdin, stdout, _ := o.overrideStreams()
+	o.In = stdin
+	t.In = stdin
+	if o.Out != nil {
+		o.Out = stdout
+		t.Out = stdout
+	}
+
+	return t
+}
+
+// Run executes a validated remote execution against a pod.
+func (p *ExecOptions) Run() error {
+	pod, err := p.PodClient.Pods(p.Namespace).Get(p.PodName, metav1.GetOptions{})
+	if err != nil {
+		return err
+	}
+
+	if pod.Status.Phase == corev1.PodSucceeded || pod.Status.Phase == corev1.PodFailed {
+		return fmt.Errorf("cannot exec into a container in a completed pod; current phase is %s", pod.Status.Phase)
+	}
+
+	containerName := p.ContainerName
+	if len(containerName) == 0 {
+		if len(pod.Spec.Containers) > 1 {
+			usageString := fmt.Sprintf("Defaulting container name to %s.", pod.Spec.Containers[0].Name)
+			if len(p.SuggestedCmdUsage) > 0 {
+				usageString = fmt.Sprintf("%s\n%s", usageString, p.SuggestedCmdUsage)
+			}
+			fmt.Fprintf(p.ErrOut, "%s\n", usageString)
+		}
+		containerName = pod.Spec.Containers[0].Name
+	}
+
+	// ensure we can recover the terminal while attached
+	t := p.SetupTTY()
+
+	var sizeQueue remotecommand.TerminalSizeQueue
+	if t.Raw {
+		// this call spawns a goroutine to monitor/update the terminal size
+		sizeQueue = t.MonitorSize(t.GetSize())
+
+		// unset p.Err if it was previously set because both stdout and stderr go over p.Out when tty is
+		// true
+		p.ErrOut = nil
+	}
+
+	fn := func() error {
+		restClient, err := restclient.RESTClientFor(p.Config)
+		if err != nil {
+			return err
+		}
+
+		// TODO: consider abstracting into a client invocation or client helper
+		req := restClient.Post().
+			Resource("pods").
+			Name(pod.Name).
+			Namespace(pod.Namespace).
+			SubResource("exec").
+			Param("container", containerName)
+		req.VersionedParams(&corev1.PodExecOptions{
+			Container: containerName,
+			Command:   p.Command,
+			Stdin:     p.Stdin,
+			Stdout:    p.Out != nil,
+			Stderr:    p.ErrOut != nil,
+			TTY:       t.Raw,
+		}, scheme.ParameterCodec)
+
+		return p.Executor.Execute("POST", req.URL(), p.Config, p.In, p.Out, p.ErrOut, t.Raw, sizeQueue)
+	}
+
+	if err := t.Safe(fn); err != nil {
+		return err
+	}
+
+	return nil
+}

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/exec/exec_test.go

@@ -0,0 +1,389 @@
+/*
+Copyright 2014 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package exec
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/rest/fake"
+	"k8s.io/client-go/tools/remotecommand"
+	cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
+	"k8s.io/kubernetes/pkg/kubectl/scheme"
+	"k8s.io/kubernetes/pkg/kubectl/util/term"
+)
+
+type fakeRemoteExecutor struct {
+	method  string
+	url     *url.URL
+	execErr error
+}
+
+func (f *fakeRemoteExecutor) Execute(method string, url *url.URL, config *restclient.Config, stdin io.Reader, stdout, stderr io.Writer, tty bool, terminalSizeQueue remotecommand.TerminalSizeQueue) error {
+	f.method = method
+	f.url = url
+	return f.execErr
+}
+
+func TestPodAndContainer(t *testing.T) {
+	tests := []struct {
+		args              []string
+		argsLenAtDash     int
+		p                 *ExecOptions
+		name              string
+		expectError       bool
+		expectedPod       string
+		expectedContainer string
+		expectedArgs      []string
+	}{
+		{
+			p:             &ExecOptions{},
+			argsLenAtDash: -1,
+			expectError:   true,
+			name:          "empty",
+		},
+		{
+			p:             &ExecOptions{StreamOptions: StreamOptions{PodName: "foo"}},
+			argsLenAtDash: -1,
+			expectError:   true,
+			name:          "no cmd",
+		},
+		{
+			p:             &ExecOptions{StreamOptions: StreamOptions{PodName: "foo", ContainerName: "bar"}},
+			argsLenAtDash: -1,
+			expectError:   true,
+			name:          "no cmd, w/ container",
+		},
+		{
+			p:             &ExecOptions{StreamOptions: StreamOptions{PodName: "foo"}},
+			args:          []string{"cmd"},
+			argsLenAtDash: -1,
+			expectedPod:   "foo",
+			expectedArgs:  []string{"cmd"},
+			name:          "pod in flags",
+		},
+		{
+			p:             &ExecOptions{},
+			args:          []string{"foo", "cmd"},
+			argsLenAtDash: 0,
+			expectError:   true,
+			name:          "no pod, pod name is behind dash",
+		},
+		{
+			p:             &ExecOptions{},
+			args:          []string{"foo"},
+			argsLenAtDash: -1,
+			expectError:   true,
+			name:          "no cmd, w/o flags",
+		},
+		{
+			p:             &ExecOptions{},
+			args:          []string{"foo", "cmd"},
+			argsLenAtDash: -1,
+			expectedPod:   "foo",
+			expectedArgs:  []string{"cmd"},
+			name:          "cmd, w/o flags",
+		},
+		{
+			p:             &ExecOptions{},
+			args:          []string{"foo", "cmd"},
+			argsLenAtDash: 1,
+			expectedPod:   "foo",
+			expectedArgs:  []string{"cmd"},
+			name:          "cmd, cmd is behind dash",
+		},
+		{
+			p:                 &ExecOptions{StreamOptions: StreamOptions{ContainerName: "bar"}},
+			args:              []string{"foo", "cmd"},
+			argsLenAtDash:     -1,
+			expectedPod:       "foo",
+			expectedContainer: "bar",
+			expectedArgs:      []string{"cmd"},
+			name:              "cmd, container in flag",
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			tf := cmdtesting.NewTestFactory().WithNamespace("test")
+			defer tf.Cleanup()
+
+			ns := scheme.Codecs
+
+			tf.Client = &fake.RESTClient{
+				NegotiatedSerializer: ns,
+				Client:               fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { return nil, nil }),
+			}
+			tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
+
+			cmd := &cobra.Command{}
+			options := test.p
+			options.ErrOut = bytes.NewBuffer([]byte{})
+			err := options.Complete(tf, cmd, test.args, test.argsLenAtDash)
+			if test.expectError && err == nil {
+				t.Errorf("%s: unexpected non-error", test.name)
+			}
+			if !test.expectError && err != nil {
+				t.Errorf("%s: unexpected error: %v", test.name, err)
+			}
+			if err != nil {
+				return
+			}
+			if options.PodName != test.expectedPod {
+				t.Errorf("%s: expected: %s, got: %s", test.name, test.expectedPod, options.PodName)
+			}
+			if options.ContainerName != test.expectedContainer {
+				t.Errorf("%s: expected: %s, got: %s", test.name, test.expectedContainer, options.ContainerName)
+			}
+			if !reflect.DeepEqual(test.expectedArgs, options.Command) {
+				t.Errorf("%s: expected: %v, got %v", test.name, test.expectedArgs, options.Command)
+			}
+		})
+	}
+}
+
+func TestExec(t *testing.T) {
+	version := "v1"
+	tests := []struct {
+		name, podPath, execPath string
+		pod                     *corev1.Pod
+		execErr                 bool
+	}{
+		{
+			name:     "pod exec",
+			podPath:  "/api/" + version + "/namespaces/test/pods/foo",
+			execPath: "/api/" + version + "/namespaces/test/pods/foo/exec",
+			pod:      execPod(),
+		},
+		{
+			name:     "pod exec error",
+			podPath:  "/api/" + version + "/namespaces/test/pods/foo",
+			execPath: "/api/" + version + "/namespaces/test/pods/foo/exec",
+			pod:      execPod(),
+			execErr:  true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			tf := cmdtesting.NewTestFactory().WithNamespace("test")
+			defer tf.Cleanup()
+
+			codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
+			ns := scheme.Codecs
+
+			tf.Client = &fake.RESTClient{
+				NegotiatedSerializer: ns,
+				Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
+					switch p, m := req.URL.Path, req.Method; {
+					case p == test.podPath && m == "GET":
+						body := cmdtesting.ObjBody(codec, test.pod)
+						return &http.Response{StatusCode: 200, Header: cmdtesting.DefaultHeader(), Body: body}, nil
+					default:
+						t.Errorf("%s: unexpected request: %s %#v\n%#v", test.name, req.Method, req.URL, req)
+						return nil, fmt.Errorf("unexpected request")
+					}
+				}),
+			}
+			tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
+			ex := &fakeRemoteExecutor{}
+			if test.execErr {
+				ex.execErr = fmt.Errorf("exec error")
+			}
+			params := &ExecOptions{
+				StreamOptions: StreamOptions{
+					PodName:       "foo",
+					ContainerName: "bar",
+					IOStreams:     genericclioptions.NewTestIOStreamsDiscard(),
+				},
+				Executor: ex,
+			}
+			cmd := &cobra.Command{}
+			args := []string{"test", "command"}
+			if err := params.Complete(tf, cmd, args, -1); err != nil {
+				t.Fatal(err)
+			}
+			err := params.Run()
+			if test.execErr && err != ex.execErr {
+				t.Errorf("%s: Unexpected exec error: %v", test.name, err)
+				return
+			}
+			if !test.execErr && err != nil {
+				t.Errorf("%s: Unexpected error: %v", test.name, err)
+				return
+			}
+			if test.execErr {
+				return
+			}
+			if ex.url.Path != test.execPath {
+				t.Errorf("%s: Did not get expected path for exec request", test.name)
+				return
+			}
+			if ex.method != "POST" {
+				t.Errorf("%s: Did not get method for exec request: %s", test.name, ex.method)
+			}
+		})
+	}
+}
+
+func execPod() *corev1.Pod {
+	return &corev1.Pod{
+		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: "test", ResourceVersion: "10"},
+		Spec: corev1.PodSpec{
+			RestartPolicy: corev1.RestartPolicyAlways,
+			DNSPolicy:     corev1.DNSClusterFirst,
+			Containers: []corev1.Container{
+				{
+					Name: "bar",
+				},
+			},
+		},
+		Status: corev1.PodStatus{
+			Phase: corev1.PodRunning,
+		},
+	}
+}
+
+func TestSetupTTY(t *testing.T) {
+	streams, _, _, stderr := genericclioptions.NewTestIOStreams()
+
+	// test 1 - don't attach stdin
+	o := &StreamOptions{
+		// InterruptParent: ,
+		Stdin:     false,
+		IOStreams: streams,
+		TTY:       true,
+	}
+
+	tty := o.SetupTTY()
+
+	if o.In != nil {
+		t.Errorf("don't attach stdin: o.In should be nil")
+	}
+	if tty.In != nil {
+		t.Errorf("don't attach stdin: tty.In should be nil")
+	}
+	if o.TTY {
+		t.Errorf("don't attach stdin: o.TTY should be false")
+	}
+	if tty.Raw {
+		t.Errorf("don't attach stdin: tty.Raw should be false")
+	}
+	if len(stderr.String()) > 0 {
+		t.Errorf("don't attach stdin: stderr wasn't empty: %s", stderr.String())
+	}
+
+	// tests from here on attach stdin
+	// test 2 - don't request a TTY
+	o.Stdin = true
+	o.In = &bytes.Buffer{}
+	o.TTY = false
+
+	tty = o.SetupTTY()
+
+	if o.In == nil {
+		t.Errorf("attach stdin, no TTY: o.In should not be nil")
+	}
+	if tty.In != o.In {
+		t.Errorf("attach stdin, no TTY: tty.In should equal o.In")
+	}
+	if o.TTY {
+		t.Errorf("attach stdin, no TTY: o.TTY should be false")
+	}
+	if tty.Raw {
+		t.Errorf("attach stdin, no TTY: tty.Raw should be false")
+	}
+	if len(stderr.String()) > 0 {
+		t.Errorf("attach stdin, no TTY: stderr wasn't empty: %s", stderr.String())
+	}
+
+	// test 3 - request a TTY, but stdin is not a terminal
+	o.Stdin = true
+	o.In = &bytes.Buffer{}
+	o.ErrOut = stderr
+	o.TTY = true
+
+	tty = o.SetupTTY()
+
+	if o.In == nil {
+		t.Errorf("attach stdin, TTY, not a terminal: o.In should not be nil")
+	}
+	if tty.In != o.In {
+		t.Errorf("attach stdin, TTY, not a terminal: tty.In should equal o.In")
+	}
+	if o.TTY {
+		t.Errorf("attach stdin, TTY, not a terminal: o.TTY should be false")
+	}
+	if tty.Raw {
+		t.Errorf("attach stdin, TTY, not a terminal: tty.Raw should be false")
+	}
+	if !strings.Contains(stderr.String(), "input is not a terminal") {
+		t.Errorf("attach stdin, TTY, not a terminal: expected 'input is not a terminal' to stderr")
+	}
+
+	// test 4 - request a TTY, stdin is a terminal
+	o.Stdin = true
+	o.In = &bytes.Buffer{}
+	stderr.Reset()
+	o.TTY = true
+
+	overrideStdin := ioutil.NopCloser(&bytes.Buffer{})
+	overrideStdout := &bytes.Buffer{}
+	overrideStderr := &bytes.Buffer{}
+	o.overrideStreams = func() (io.ReadCloser, io.Writer, io.Writer) {
+		return overrideStdin, overrideStdout, overrideStderr
+	}
+
+	o.isTerminalIn = func(tty term.TTY) bool {
+		return true
+	}
+
+	tty = o.SetupTTY()
+
+	if o.In != overrideStdin {
+		t.Errorf("attach stdin, TTY, is a terminal: o.In should equal overrideStdin")
+	}
+	if tty.In != o.In {
+		t.Errorf("attach stdin, TTY, is a terminal: tty.In should equal o.In")
+	}
+	if !o.TTY {
+		t.Errorf("attach stdin, TTY, is a terminal: o.TTY should be true")
+	}
+	if !tty.Raw {
+		t.Errorf("attach stdin, TTY, is a terminal: tty.Raw should be true")
+	}
+	if len(stderr.String()) > 0 {
+		t.Errorf("attach stdin, TTY, is a terminal: stderr wasn't empty: %s", stderr.String())
+	}
+	if o.Out != overrideStdout {
+		t.Errorf("attach stdin, TTY, is a terminal: o.Out should equal overrideStdout")
+	}
+	if tty.Out != o.Out {
+		t.Errorf("attach stdin, TTY, is a terminal: tty.Out should equal o.Out")
+	}
+}