// Complete verifies command line arguments and loads data from the command environment
func (p *AttachOptions) Complete(f *cmdutil.Factory, cmd *cobra.Command, argsIn []string) error {
if len(argsIn) == 0 {
return cmdutil.UsageError(cmd, "POD is required for attach")
}
if len(argsIn) > 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("expected a single argument: POD, saw %d: %s", len(argsIn), argsIn))
}
p.PodName = argsIn[0]
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
p.Namespace = namespace
config, err := f.ClientConfig()
if err != nil {
return err
}
p.Config = config
client, err := f.Client()
if err != nil {
return err
}
p.Client = client
return nil
}
func RunPortForward(f *cmdutil.Factory, cmd *cobra.Command, args []string, fw portForwarder) error {
podName := cmdutil.GetFlagString(cmd, "pod")
if len(podName) == 0 && len(args) == 0 {
return cmdutil.UsageError(cmd, "POD is required for port-forward")
}
if len(podName) != 0 {
printDeprecationWarning("port-forward POD", "-p POD")
} else {
podName = args[0]
args = args[1:]
}
if len(args) < 1 {
return cmdutil.UsageError(cmd, "at least 1 PORT is required for port-forward")
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
pod, err := client.Pods(namespace).Get(podName)
if err != nil {
return err
}
if pod.Status.Phase != api.PodRunning {
glog.Fatalf("Unable to execute command because pod is not running. Current status=%v", pod.Status.Phase)
}
config, err := f.ClientConfig()
if err != nil {
return err
}
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt)
defer signal.Stop(signals)
stopCh := make(chan struct{}, 1)
go func() {
<-signals
close(stopCh)
}()
req := client.RESTClient.Post().
Resource("pods").
Namespace(namespace).
Name(pod.Name).
SubResource("portforward")
return fw.ForwardPorts("POST", req.URL(), config, args, stopCh)
}
func RunVersion(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
kubectl.GetClientVersion(out)
if cmdutil.GetFlagBool(cmd, "client") {
return nil
}
client, err := f.Client()
if err != nil {
return err
}
kubectl.GetServerVersion(out, client)
return nil
}
// RunExplain executes the appropriate steps to print a model's documentation
func RunExplain(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
if len(args) != 1 {
return cmdutil.UsageError(cmd, "We accept only this format: explain RESOURCE")
}
client, err := f.Client()
if err != nil {
return err
}
recursive := cmdutil.GetFlagBool(cmd, "recursive")
apiV := cmdutil.GetFlagString(cmd, "api-version")
mapper, _ := f.Object()
// TODO: After we figured out the new syntax to separate group and resource, allow
// the users to use it in explain (kubectl explain <group><syntax><resource>).
// Refer to issue #16039 for why we do this. Refer to PR #15808 that used "/" syntax.
inModel, fieldsPath, err := kubectl.SplitAndParseResourceRequest(args[0], mapper)
if err != nil {
return err
}
// TODO: We should deduce the group for a resource by discovering the supported resources at server.
group, err := mapper.GroupForResource(inModel)
if err != nil {
return err
}
if len(apiV) == 0 {
groupMeta, err := latest.Group(group)
if err != nil {
return err
}
apiV = groupMeta.GroupVersion
}
swagSchema, err := kubectl.GetSwaggerSchema(apiV, client)
if err != nil {
return err
}
return kubectl.PrintModelDescription(inModel, fieldsPath, out, swagSchema, recursive)
}
func RunApiVersions(f *cmdutil.Factory, w io.Writer) error {
if len(os.Args) > 1 && os.Args[1] == "apiversions" {
printDeprecationWarning("api-versions", "apiversions")
}
client, err := f.Client()
if err != nil {
return err
}
groupList, err := client.Discovery().ServerGroups()
if err != nil {
return fmt.Errorf("Couldn't get available api versions from server: %v\n", err)
}
apiVersions := unversioned_client.ExtractGroupVersions(groupList)
sort.Strings(apiVersions)
for _, v := range apiVersions {
fmt.Fprintln(w, v)
}
return nil
}
func (o *LogsOptions) Complete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
switch len(args) {
case 0:
return cmdutil.UsageError(cmd, "POD is required for log")
case 1:
o.PodName = args[0]
case 2:
if cmd.Flag("container").Changed {
return cmdutil.UsageError(cmd, "only one of -c, [CONTAINER] arg is allowed")
}
o.PodName = args[0]
o.ContainerName = args[1]
default:
return cmdutil.UsageError(cmd, "log POD [-c CONTAINER]")
}
var err error
o.PodNamespace, _, err = f.DefaultNamespace()
if err != nil {
return err
}
o.Client, err = f.Client()
if err != nil {
return err
}
sinceTime := cmdutil.GetFlagString(cmd, "since-time")
if len(sinceTime) > 0 {
t, err := api.ParseRFC3339(sinceTime, unversioned.Now)
if err != nil {
return err
}
o.SinceTime = &t
}
return nil
}
// 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.UsageError(cmd, "POD is required for exec")
}
if len(p.PodName) != 0 {
printDeprecationWarning("exec POD", "-p POD")
if len(argsIn) < 1 {
return cmdutil.UsageError(cmd, "COMMAND is required for exec")
}
p.Command = argsIn
} else {
p.PodName = argsIn[0]
p.Command = argsIn[1:]
if len(p.Command) < 1 {
return cmdutil.UsageError(cmd, "COMMAND is required for exec")
}
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
p.Namespace = namespace
config, err := f.ClientConfig()
if err != nil {
return err
}
p.Config = config
client, err := f.Client()
if err != nil {
return err
}
p.Client = client
return nil
}
// Complete verifies command line arguments and loads data from the command environment
func (p *ExecOptions) Complete(f *cmdutil.Factory, cmd *cobra.Command, argsIn []string) error {
if len(p.PodName) == 0 && len(argsIn) == 0 {
return cmdutil.UsageError(cmd, "POD is required for exec")
}
if len(p.PodName) != 0 {
printDeprecationWarning("exec POD", "-p POD")
if len(argsIn) < 1 {
return cmdutil.UsageError(cmd, "COMMAND is required for exec")
}
p.Command = argsIn
} else {
p.PodName = argsIn[0]
p.Command = argsIn[1:]
if len(p.Command) < 1 {
return cmdutil.UsageError(cmd, "COMMAND is required for exec")
}
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
p.Namespace = namespace
config, err := f.ClientConfig()
if err != nil {
return err
}
p.Config = config
client, err := f.Client()
if err != nil {
return err
}
p.Client = client
return nil
}
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
if len(os.Args) > 1 && os.Args[1] == "run-container" {
printDeprecationWarning("run", "run-container")
}
if len(args) == 0 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
interactive := cmdutil.GetFlagBool(cmd, "stdin")
tty := cmdutil.GetFlagBool(cmd, "tty")
if tty && !interactive {
return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
}
replicas := cmdutil.GetFlagInt(cmd, "replicas")
if interactive && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
restartPolicy, err := getRestartPolicy(cmd, interactive)
if err != nil {
return err
}
if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas))
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
if len(generatorName) == 0 {
if restartPolicy == api.RestartPolicyAlways {
generatorName = "run/v1"
} else {
generatorName = "run-pod/v1"
}
}
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
if len(args) > 1 {
params["args"] = args[1:]
}
params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")
if cmdutil.GetFlagBool(cmd, "expose") {
serviceGenerator := cmdutil.GetFlagString(cmd, "service-generator")
if len(serviceGenerator) == 0 {
return cmdutil.UsageError(cmd, fmt.Sprintf("No service generator specified"))
}
if err := generateService(f, cmd, args, serviceGenerator, params, namespace, cmdOut); err != nil {
return err
}
}
obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace)
if err != nil {
return err
}
attachFlag := cmd.Flags().Lookup("attach")
attach := cmdutil.GetFlagBool(cmd, "attach")
if !attachFlag.Changed && interactive {
attach = true
}
if attach {
opts := &AttachOptions{
In: cmdIn,
Out: cmdOut,
Err: cmdErr,
Stdin: interactive,
TTY: tty,
Attach: &DefaultRemoteAttach{},
}
config, err := f.ClientConfig()
if err != nil {
return err
}
opts.Config = config
client, err := f.Client()
if err != nil {
return err
}
opts.Client = client
attachablePod, err := f.AttachablePodForObject(obj)
if err != nil {
return err
}
return handleAttachPod(client, attachablePod, opts)
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, obj, cmdOut)
}
cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created")
return nil
}
func RunRollingUpdate(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *RollingUpdateOptions) error {
if len(os.Args) > 1 && os.Args[1] == "rollingupdate" {
printDeprecationWarning("rolling-update", "rollingupdate")
}
err := validateArguments(cmd, options.Filenames, args)
if err != nil {
return err
}
deploymentKey := cmdutil.GetFlagString(cmd, "deployment-label-key")
filename := ""
image := cmdutil.GetFlagString(cmd, "image")
oldName := args[0]
rollback := cmdutil.GetFlagBool(cmd, "rollback")
period := cmdutil.GetFlagDuration(cmd, "update-period")
interval := cmdutil.GetFlagDuration(cmd, "poll-interval")
timeout := cmdutil.GetFlagDuration(cmd, "timeout")
dryrun := cmdutil.GetFlagBool(cmd, "dry-run")
outputFormat := cmdutil.GetFlagString(cmd, "output")
if len(options.Filenames) > 0 {
filename = options.Filenames[0]
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
var newRc *api.ReplicationController
// fetch rc
oldRc, err := client.ReplicationControllers(cmdNamespace).Get(oldName)
if err != nil {
if !errors.IsNotFound(err) || len(image) == 0 || len(args) > 1 {
return err
}
// We're in the middle of a rename, look for an RC with a source annotation of oldName
newRc, err := kubectl.FindSourceController(client, cmdNamespace, oldName)
if err != nil {
return err
}
return kubectl.Rename(client, newRc, oldName)
}
var keepOldName bool
var replicasDefaulted bool
mapper, typer := f.Object()
if len(filename) != 0 {
schema, err := f.Validator(cmdutil.GetFlagBool(cmd, "validate"), cmdutil.GetFlagString(cmd, "schema-cache-dir"))
if err != nil {
return err
}
request := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
Schema(schema).
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, filename).
Do()
obj, err := request.Object()
if err != nil {
return err
}
var ok bool
// Handle filename input from stdin. The resource builder always returns an api.List
// when creating resource(s) from a stream.
if list, ok := obj.(*api.List); ok {
if len(list.Items) > 1 {
return cmdutil.UsageError(cmd, "%s specifies multiple items", filename)
}
obj = list.Items[0]
}
newRc, ok = obj.(*api.ReplicationController)
if !ok {
if _, kind, err := typer.ObjectVersionAndKind(obj); err == nil {
return cmdutil.UsageError(cmd, "%s contains a %s not a ReplicationController", filename, kind)
}
glog.V(4).Infof("Object %#v is not a ReplicationController", obj)
return cmdutil.UsageError(cmd, "%s does not specify a valid ReplicationController", filename)
}
infos, err := request.Infos()
if err != nil || len(infos) != 1 {
glog.V(2).Infof("was not able to recover adequate information to discover if .spec.replicas was defaulted")
} else {
replicasDefaulted = isReplicasDefaulted(infos[0])
}
}
// If the --image option is specified, we need to create a new rc with at least one different selector
// than the old rc. This selector is the hash of the rc, which will differ because the new rc has a
// different image.
if len(image) != 0 {
keepOldName = len(args) == 1
newName := findNewName(args, oldRc)
if newRc, err = kubectl.LoadExistingNextReplicationController(client, cmdNamespace, newName); err != nil {
return err
}
if newRc != nil {
if inProgressImage := newRc.Spec.Template.Spec.Containers[0].Image; inProgressImage != image {
return cmdutil.UsageError(cmd, "Found existing in-progress update to image (%s).\nEither continue in-progress update with --image=%s or rollback with --rollback", inProgressImage, inProgressImage)
}
fmt.Fprintf(out, "Found existing update in progress (%s), resuming.\n", newRc.Name)
} else {
if oldRc.Spec.Template.Spec.Containers[0].Image == image {
return cmdutil.UsageError(cmd, "Specified --image must be distinct from existing container image")
}
newRc, err = kubectl.CreateNewControllerFromCurrentController(client, cmdNamespace, oldName, newName, image, deploymentKey)
if err != nil {
return err
}
}
// Update the existing replication controller with pointers to the 'next' controller
// and adding the <deploymentKey> label if necessary to distinguish it from the 'next' controller.
oldHash, err := api.HashObject(oldRc, client.Codec)
if err != nil {
return err
}
oldRc, err = kubectl.UpdateExistingReplicationController(client, oldRc, cmdNamespace, newRc.Name, deploymentKey, oldHash, out)
if err != nil {
return err
}
}
if rollback {
keepOldName = len(args) == 1
newName := findNewName(args, oldRc)
if newRc, err = kubectl.LoadExistingNextReplicationController(client, cmdNamespace, newName); err != nil {
return err
}
if newRc == nil {
return cmdutil.UsageError(cmd, "Could not find %s to rollback.\n", newName)
}
}
if oldName == newRc.Name {
return cmdutil.UsageError(cmd, "%s cannot have the same name as the existing ReplicationController %s",
filename, oldName)
}
updater := kubectl.NewRollingUpdater(newRc.Namespace, client)
// To successfully pull off a rolling update the new and old rc have to differ
// by at least one selector. Every new pod should have the selector and every
// old pod should not have the selector.
var hasLabel bool
for key, oldValue := range oldRc.Spec.Selector {
if newValue, ok := newRc.Spec.Selector[key]; ok && newValue != oldValue {
hasLabel = true
break
}
}
if !hasLabel {
return cmdutil.UsageError(cmd, "%s must specify a matching key with non-equal value in Selector for %s",
filename, oldName)
}
// TODO: handle scales during rolling update
if replicasDefaulted {
newRc.Spec.Replicas = oldRc.Spec.Replicas
}
if dryrun {
oldRcData := &bytes.Buffer{}
newRcData := &bytes.Buffer{}
if outputFormat == "" {
oldRcData.WriteString(oldRc.Name)
newRcData.WriteString(newRc.Name)
} else {
if err := f.PrintObject(cmd, oldRc, oldRcData); err != nil {
return err
}
if err := f.PrintObject(cmd, newRc, newRcData); err != nil {
return err
}
}
fmt.Fprintf(out, "Rolling from:\n%s\nTo:\n%s\n", string(oldRcData.Bytes()), string(newRcData.Bytes()))
return nil
}
updateCleanupPolicy := kubectl.DeleteRollingUpdateCleanupPolicy
if keepOldName {
updateCleanupPolicy = kubectl.RenameRollingUpdateCleanupPolicy
}
config := &kubectl.RollingUpdaterConfig{
Out: out,
OldRc: oldRc,
NewRc: newRc,
UpdatePeriod: period,
Interval: interval,
Timeout: timeout,
CleanupPolicy: updateCleanupPolicy,
MaxUnavailable: util.NewIntOrStringFromInt(0),
MaxSurge: util.NewIntOrStringFromInt(1),
}
if rollback {
err = kubectl.AbortRollingUpdate(config)
if err != nil {
return err
}
client.ReplicationControllers(config.NewRc.Namespace).Update(config.NewRc)
}
err = updater.Update(config)
if err != nil {
return err
}
message := "rolling updated"
if keepOldName {
newRc.Name = oldName
} else {
message = fmt.Sprintf("rolling updated to %q", newRc.Name)
}
newRc, err = client.ReplicationControllers(cmdNamespace).Get(newRc.Name)
if err != nil {
return err
}
if outputFormat != "" {
return f.PrintObject(cmd, newRc, out)
}
_, kind, err := api.Scheme.ObjectVersionAndKind(newRc)
if err != nil {
return err
}
_, res := meta.KindToResource(kind, false)
cmdutil.PrintSuccess(mapper, false, out, res, oldName, message)
return nil
}
// RunLog retrieves a pod log
func RunLog(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, p *logParams) error {
if len(os.Args) > 1 && os.Args[1] == "log" {
printDeprecationWarning("logs", "log")
}
if len(args) == 0 {
return cmdutil.UsageError(cmd, "POD is required for log")
}
if len(args) > 2 {
return cmdutil.UsageError(cmd, "log POD [CONTAINER]")
}
sinceSeconds := cmdutil.GetFlagDuration(cmd, "since")
sinceTime := cmdutil.GetFlagString(cmd, "since-time")
if len(sinceTime) > 0 && sinceSeconds > 0 {
return cmdutil.UsageError(cmd, "only one of --since, --since-time may be specified")
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
podID := args[0]
pod, err := client.Pods(namespace).Get(podID)
if err != nil {
return err
}
// [-c CONTAINER]
container := p.containerName
if len(container) == 0 {
// [CONTAINER] (container as arg not flag) is supported as legacy behavior. See PR #10519 for more details.
if len(args) == 1 {
if len(pod.Spec.Containers) != 1 {
podContainersNames := []string{}
for _, container := range pod.Spec.Containers {
podContainersNames = append(podContainersNames, container.Name)
}
return fmt.Errorf("Pod %s has the following containers: %s; please specify the container to print logs for with -c", pod.ObjectMeta.Name, strings.Join(podContainersNames, ", "))
}
container = pod.Spec.Containers[0].Name
} else {
container = args[1]
}
}
logOptions := &api.PodLogOptions{
Container: container,
Follow: cmdutil.GetFlagBool(cmd, "follow"),
Previous: cmdutil.GetFlagBool(cmd, "previous"),
Timestamps: cmdutil.GetFlagBool(cmd, "timestamps"),
}
if sinceSeconds > 0 {
// round up to the nearest second
sec := int64(math.Ceil(float64(sinceSeconds) / float64(time.Second)))
logOptions.SinceSeconds = &sec
}
if t, err := api.ParseRFC3339(sinceTime, unversioned.Now); err == nil {
logOptions.SinceTime = &t
}
if limitBytes := cmdutil.GetFlagInt(cmd, "limit-bytes"); limitBytes != 0 {
i := int64(limitBytes)
logOptions.LimitBytes = &i
}
if tail := cmdutil.GetFlagInt(cmd, "tail"); tail >= 0 {
i := int64(tail)
logOptions.TailLines = &i
}
return handleLog(client, namespace, podID, logOptions, out)
}
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string) error {
if len(os.Args) > 1 && os.Args[1] == "run-container" {
printDeprecationWarning("run", "run-container")
}
if len(args) == 0 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
interactive := cmdutil.GetFlagBool(cmd, "stdin")
tty := cmdutil.GetFlagBool(cmd, "tty")
if tty && !interactive {
return cmdutil.UsageError(cmd, "-i/--stdin is required for containers with --tty=true")
}
replicas := cmdutil.GetFlagInt(cmd, "replicas")
if interactive && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("-i/--stdin requires that replicas is 1, found %d", replicas))
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
restartPolicy, err := getRestartPolicy(cmd, interactive)
if err != nil {
return err
}
if restartPolicy != api.RestartPolicyAlways && replicas != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("--restart=%s requires that --replicas=1, found %d", restartPolicy, replicas))
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
if len(generatorName) == 0 {
if restartPolicy == api.RestartPolicyAlways {
generatorName = "run/v1"
} else {
generatorName = "run-pod/v1"
}
}
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
if len(args) > 1 {
params["args"] = args[1:]
}
params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
obj, err := generator.Generate(params)
if err != nil {
return err
}
mapper, typer := f.Object()
version, kind, err := typer.ObjectVersionAndKind(obj)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
obj, err = cmdutil.Merge(obj, inline, kind)
if err != nil {
return err
}
}
mapping, err := mapper.RESTMapping(kind, version)
if err != nil {
return err
}
client, err := f.RESTClient(mapping)
if err != nil {
return err
}
// TODO: extract this flag to a central location, when such a location exists.
if !cmdutil.GetFlagBool(cmd, "dry-run") {
resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
info, err := resourceMapper.InfoForObject(obj)
if err != nil {
return err
}
// Serialize the configuration into an annotation.
if err := kubectl.UpdateApplyAnnotation(info); err != nil {
return err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return err
}
}
attachFlag := cmd.Flags().Lookup("attach")
attach := cmdutil.GetFlagBool(cmd, "attach")
if !attachFlag.Changed && interactive {
attach = true
}
if attach {
opts := &AttachOptions{
In: cmdIn,
Out: cmdOut,
Err: cmdErr,
Stdin: interactive,
TTY: tty,
Attach: &DefaultRemoteAttach{},
}
config, err := f.ClientConfig()
if err != nil {
return err
}
opts.Config = config
client, err := f.Client()
if err != nil {
return err
}
opts.Client = client
// TODO: this should be abstracted into Factory to support other types
switch t := obj.(type) {
case *api.ReplicationController:
return handleAttachReplicationController(client, t, opts)
case *api.Pod:
return handleAttachPod(client, t, opts)
default:
return fmt.Errorf("cannot attach to %s: not implemented", kind)
}
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, obj, cmdOut)
}
cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created")
return nil
}