func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
version, kind, err := typer.ObjectVersionAndKind(obj)
if err != nil {
return nil, "", nil, nil, err
}
if len(overrides) > 0 {
obj, err = cmdutil.Merge(obj, overrides, kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(kind, version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.RESTClient(mapping)
if err != nil {
return nil, "", nil, nil, 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 nil, "", nil, nil, err
}
// Serialize the configuration into an annotation.
if err := kubectl.UpdateApplyAnnotation(info); err != nil {
return nil, "", nil, nil, err
}
// Serialize the object with the annotation applied.
data, err := mapping.Codec.Encode(info.Object)
if err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, kind, mapper, mapping, err
}
func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
groupVersionKind, err := typer.ObjectKind(obj)
if err != nil {
return nil, "", nil, nil, err
}
if len(overrides) > 0 {
codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.ClientForMapping(mapping)
if err != nil {
return nil, "", nil, nil, 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: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
info, err := resourceMapper.InfoForObject(obj)
if err != nil {
return nil, "", nil, nil, err
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, groupVersionKind.Kind, mapper, mapping, err
}
func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
gvString, kind, err := typer.ObjectVersionAndKind(obj)
if err != nil {
return nil, "", nil, nil, err
}
gv, err := unversioned.ParseGroupVersion(gvString)
if err != nil {
return nil, "", nil, nil, err
}
gvk := gv.WithKind(kind)
if len(overrides) > 0 {
obj, err = cmdutil.Merge(obj, overrides, kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(gvk.GroupKind(), gvk.Version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.RESTClient(mapping)
if err != nil {
return nil, "", nil, nil, 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 nil, "", nil, nil, err
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info); err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, kind, mapper, mapping, err
}
func Run(f *cmdutil.Factory, out 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) != 1 {
return cmdutil.UsageError(cmd, "NAME is required for run")
}
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("Generator: %s not found.", generator))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["name"] = args[0]
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
controller, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
controller, err = cmdutil.Merge(controller, inline, "ReplicationController")
if err != nil {
return err
}
}
// TODO: extract this flag to a central location, when such a location exists.
if !cmdutil.GetFlagBool(cmd, "dry-run") {
controller, err = client.ReplicationControllers(namespace).Create(controller.(*api.ReplicationController))
if err != nil {
return err
}
}
return f.PrintObject(cmd, controller, out)
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *ExposeOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
mapping := info.ResourceMapping()
if err := f.CanBeExposed(mapping.Kind); err != nil {
return err
}
// Get the input object
inputObject, err := r.Object()
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
name := info.Name
if len(name) > validation.DNS952LabelMaxLength {
name = name[:validation.DNS952LabelMaxLength]
}
params["default-name"] = name
// For objects that need a pod selector, derive it from the exposed object in case a user
// didn't explicitly specify one via --selector
if s, found := params["selector"]; found && kubectl.IsZero(s) {
s, err := f.PodSelectorForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
}
params["selector"] = s
}
// For objects that need a port, derive it from the exposed object in case a user
// didn't explicitly specify one via --port
if port, found := params["port"]; found && kubectl.IsZero(port) {
ports, err := f.PortsForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
}
switch len(ports) {
case 0:
return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
case 1:
params["port"] = ports[0]
default:
params["ports"] = strings.Join(ports, ",")
}
}
if kubectl.IsZero(params["labels"]) {
labels, err := f.LabelsForObject(inputObject)
if err != nil {
return err
}
params["labels"] = kubectl.MakeLabels(labels)
}
if err = kubectl.ValidateParams(names, params); err != nil {
return err
}
// Generate new object
object, err := generator.Generate(params)
if err != nil {
return err
}
if inline := cmdutil.GetFlagString(cmd, "overrides"); len(inline) > 0 {
object, err = cmdutil.Merge(object, inline, mapping.Kind)
if err != nil {
return err
}
}
resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
info, err = resourceMapper.InfoForObject(object)
if err != nil {
return err
}
// TODO: extract this flag to a central location, when such a location exists.
if cmdutil.GetFlagBool(cmd, "dry-run") {
return f.PrintObject(cmd, object, out)
}
// Serialize the configuration into an annotation.
if err := kubectl.UpdateApplyAnnotation(info); err != nil {
return err
}
// Serialize the object with the annotation applied.
object, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, object)
if err != nil {
return err
}
if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
return f.PrintObject(cmd, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "exposed")
return nil
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *ExposeOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object(false)
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generators := f.Generators("expose")
generator, found := generators[generatorName]
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
mapping := info.ResourceMapping()
if err := f.CanBeExposed(mapping.GroupVersionKind.GroupKind()); err != nil {
return err
}
params := kubectl.MakeParams(cmd, names)
name := info.Name
if len(name) > validation.DNS952LabelMaxLength {
name = name[:validation.DNS952LabelMaxLength]
}
params["default-name"] = name
// For objects that need a pod selector, derive it from the exposed object in case a user
// didn't explicitly specify one via --selector
if s, found := params["selector"]; found && kubectl.IsZero(s) {
s, err := f.MapBasedSelectorForObject(info.Object)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't retrieve selectors via --selector flag or introspection: %s", err))
}
params["selector"] = s
}
// For objects that need a port, derive it from the exposed object in case a user
// didn't explicitly specify one via --port
if port, found := params["port"]; found && kubectl.IsZero(port) {
ports, err := f.PortsForObject(info.Object)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
}
switch len(ports) {
case 0:
return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
case 1:
params["port"] = ports[0]
default:
params["ports"] = strings.Join(ports, ",")
}
}
// Always try to derive protocols from the exposed object, may use
// different protocols for different ports.
if _, found := params["protocol"]; found {
protocolsMap, err := f.ProtocolsForObject(info.Object)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find protocol via introspection: %s", err))
}
if protocols := kubectl.MakeProtocols(protocolsMap); !kubectl.IsZero(protocols) {
params["protocols"] = protocols
}
}
if kubectl.IsZero(params["labels"]) {
labels, err := f.LabelsForObject(info.Object)
if err != nil {
return err
}
params["labels"] = kubectl.MakeLabels(labels)
}
if err = kubectl.ValidateParams(names, params); err != nil {
return err
}
// Check for invalid flags used against the present generator.
if err := kubectl.EnsureFlagsValid(cmd, generators, generatorName); err != nil {
return err
}
// Generate new object
object, err := generator.Generate(params)
if err != nil {
return err
}
if inline := cmdutil.GetFlagString(cmd, "overrides"); len(inline) > 0 {
codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
object, err = cmdutil.Merge(codec, object, inline, mapping.GroupVersionKind.Kind)
if err != nil {
return err
}
}
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
info, err = resourceMapper.InfoForObject(object, nil)
if err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, info) {
if err := cmdutil.RecordChangeCause(object, f.Command()); err != nil {
return err
}
}
info.Refresh(object, true)
if cmdutil.GetDryRunFlag(cmd) {
return f.PrintObject(cmd, mapper, object, out)
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return err
}
// Serialize the object with the annotation applied.
object, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, object)
if err != nil {
return err
}
if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
return f.PrintObject(cmd, mapper, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "exposed")
return nil
})
if err != nil {
return err
}
return nil
}
func createGeneratedObject(f cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) {
err := kubectl.ValidateParams(names, params)
if err != nil {
return nil, "", nil, nil, err
}
// TODO: Validate flag usage against selected generator. More tricky since --expose was added.
obj, err := generator.Generate(params)
if err != nil {
return nil, "", nil, nil, err
}
mapper, typer := f.Object()
groupVersionKinds, _, err := typer.ObjectKinds(obj)
if err != nil {
return nil, "", nil, nil, err
}
groupVersionKind := groupVersionKinds[0]
if len(overrides) > 0 {
codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true))
obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind)
if err != nil {
return nil, "", nil, nil, err
}
}
mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version)
if err != nil {
return nil, "", nil, nil, err
}
client, err := f.ClientForMapping(mapping)
if err != nil {
return nil, "", nil, nil, err
}
annotations, err := mapping.MetadataAccessor.Annotations(obj)
if err != nil {
return nil, "", nil, nil, err
}
if cmdutil.GetRecordFlag(cmd) || len(annotations[kubectl.ChangeCauseAnnotation]) > 0 {
if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil {
return nil, "", nil, nil, err
}
}
if !cmdutil.GetDryRunFlag(cmd) {
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
info, err := resourceMapper.InfoForObject(obj, nil)
if err != nil {
return nil, "", nil, nil, err
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil {
return nil, "", nil, nil, err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object)
if err != nil {
return nil, "", nil, nil, err
}
}
return obj, groupVersionKind.Kind, mapper, mapping, err
}
func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *AutoscaleOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
// validate flags
if err := validateFlags(cmd); err != nil {
return err
}
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
mapping := info.ResourceMapping()
if err := f.CanBeAutoscaled(mapping.GroupVersionKind.GroupKind()); err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generators := f.Generators("autoscale")
generator, found := generators[generatorName]
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
name := info.Name
params["default-name"] = name
params["scaleRef-kind"] = mapping.GroupVersionKind.Kind
params["scaleRef-name"] = name
params["scaleRef-apiVersion"] = mapping.GroupVersionKind.GroupVersion().String()
if err = kubectl.ValidateParams(names, params); err != nil {
return err
}
// Check for invalid flags used against the present generator.
if err := kubectl.EnsureFlagsValid(cmd, generators, generatorName); err != nil {
return err
}
// Generate new object
object, err := generator.Generate(params)
if err != nil {
return err
}
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
hpa, err := resourceMapper.InfoForObject(object, nil)
if err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, hpa) {
if err := cmdutil.RecordChangeCause(hpa.Object, f.Command()); err != nil {
return err
}
object = hpa.Object
}
// TODO: extract this flag to a central location, when such a location exists.
if cmdutil.GetFlagBool(cmd, "dry-run") {
return f.PrintObject(cmd, mapper, object, out)
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), hpa, f.JSONEncoder()); err != nil {
return err
}
object, err = resource.NewHelper(hpa.Client, hpa.Mapping).Create(namespace, false, object)
if err != nil {
return err
}
if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
return f.PrintObject(cmd, mapper, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "autoscaled")
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) != 1 {
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 --repliacs=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]
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") {
data, err := mapping.Codec.Encode(obj)
if err != nil {
return err
}
obj, err = resource.NewHelper(client, mapping).Create(namespace, false, data)
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)
}
}
return f.PrintObject(cmd, obj, cmdOut)
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *ExposeOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
mapping := info.ResourceMapping()
if err := f.CanBeExposed(mapping.Kind); err != nil {
return err
}
// Get the input object
inputObject, err := r.Object()
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
name := info.Name
if len(name) > validation.DNS952LabelMaxLength {
name = name[:validation.DNS952LabelMaxLength]
}
params["default-name"] = name
// For objects that need a pod selector, derive it from the exposed object in case a user
// didn't explicitly specify one via --selector
if s, found := params["selector"]; found && kubectl.IsZero(s) {
s, err := f.PodSelectorForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
}
params["selector"] = s
}
if cmdutil.GetFlagInt(cmd, "port") < 1 {
noPorts := true
for _, param := range names {
if param.Name == "port" {
noPorts = false
break
}
}
if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts {
ports, err := f.PortsForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
}
switch len(ports) {
case 0:
return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
case 1:
params["port"] = ports[0]
default:
return cmdutil.UsageError(cmd, fmt.Sprintf("multiple ports to choose from: %v, please explicitly specify a port using the --port flag.", ports))
}
}
}
if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
params["create-external-load-balancer"] = "true"
}
if kubectl.IsZero(params["labels"]) {
labels, err := f.LabelsForObject(inputObject)
if err != nil {
return err
}
params["labels"] = kubectl.MakeLabels(labels)
}
if v := cmdutil.GetFlagString(cmd, "type"); v != "" {
params["type"] = v
}
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
// Expose new object
object, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
object, err = cmdutil.Merge(object, inline, mapping.Kind)
if err != nil {
return err
}
}
resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
info, err = resourceMapper.InfoForObject(object)
if err != nil {
return err
}
// TODO: extract this flag to a central location, when such a location exists.
if cmdutil.GetFlagBool(cmd, "dry-run") {
fmt.Fprintln(out, "running in dry-run mode...")
} else {
data, err := info.Mapping.Codec.Encode(object)
if err != nil {
return err
}
object, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
if err != nil {
return err
}
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "exposed")
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
}
client, err := f.Client()
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 --repliacs=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:]
}
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
obj, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
var objType string
if restartPolicy == api.RestartPolicyAlways {
objType = "ReplicationController"
} else {
objType = "Pod"
}
obj, err = cmdutil.Merge(obj, inline, objType)
if err != nil {
return err
}
}
// TODO: extract this flag to a central location, when such a location exists.
if !cmdutil.GetFlagBool(cmd, "dry-run") {
if restartPolicy == api.RestartPolicyAlways {
obj, err = client.ReplicationControllers(namespace).Create(obj.(*api.ReplicationController))
} else {
obj, err = client.Pods(namespace).Create(obj.(*api.Pod))
}
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
if restartPolicy == api.RestartPolicyAlways {
return handleAttachReplicationController(client, obj.(*api.ReplicationController), opts)
} else {
return handleAttachPod(client, obj.(*api.Pod), opts)
}
}
return f.PrintObject(cmd, obj, cmdOut)
}
func RunAutoscale(f cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *resource.FilenameOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
// validate flags
if err := validateFlags(cmd); err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, options).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generators := f.Generators("autoscale")
generator, found := generators[generatorName]
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
count := 0
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
mapping := info.ResourceMapping()
if err := f.CanBeAutoscaled(mapping.GroupVersionKind.GroupKind()); err != nil {
return err
}
name := info.Name
params := kubectl.MakeParams(cmd, names)
params["default-name"] = name
params["scaleRef-kind"] = mapping.GroupVersionKind.Kind
params["scaleRef-name"] = name
params["scaleRef-apiVersion"] = mapping.GroupVersionKind.GroupVersion().String()
if err = kubectl.ValidateParams(names, params); err != nil {
return err
}
// Check for invalid flags used against the present generator.
if err := kubectl.EnsureFlagsValid(cmd, generators, generatorName); err != nil {
return err
}
// Generate new object
object, err := generator.Generate(params)
if err != nil {
return err
}
resourceMapper := &resource.Mapper{
ObjectTyper: typer,
RESTMapper: mapper,
ClientMapper: resource.ClientMapperFunc(f.ClientForMapping),
Decoder: f.Decoder(true),
}
hpa, err := resourceMapper.InfoForObject(object, nil)
if err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, hpa) {
if err := cmdutil.RecordChangeCause(hpa.Object, f.Command()); err != nil {
return err
}
object = hpa.Object
}
if cmdutil.GetDryRunFlag(cmd) {
return f.PrintObject(cmd, mapper, object, out)
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), hpa, f.JSONEncoder()); err != nil {
return err
}
object, err = resource.NewHelper(hpa.Client, hpa.Mapping).Create(namespace, false, object)
if err != nil {
return err
}
count++
if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
return f.PrintObject(cmd, mapper, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, cmdutil.GetDryRunFlag(cmd), "autoscaled")
return nil
})
if err != nil {
return err
}
if count == 0 {
return fmt.Errorf("no objects passed to autoscale")
}
return nil
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
namespace, _, err := f.DefaultNamespace()
if err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
mapping, err := r.ResourceMapping()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
// Get the input object
client, err := f.RESTClient(mapping)
if err != nil {
return err
}
inputObject, err := resource.NewHelper(client, mapping).Get(info.Namespace, info.Name)
if err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
params["default-name"] = info.Name
if s, found := params["selector"]; !found || len(s) == 0 || cmdutil.GetFlagInt(cmd, "port") < 1 {
if len(s) == 0 {
s, err := f.PodSelectorForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find selectors via --selector flag or introspection: %s", err))
}
params["selector"] = s
}
noPorts := true
for _, param := range names {
if param.Name == "port" {
noPorts = false
break
}
}
if cmdutil.GetFlagInt(cmd, "port") < 0 && !noPorts {
ports, err := f.PortsForObject(inputObject)
if err != nil {
return cmdutil.UsageError(cmd, fmt.Sprintf("couldn't find port via --port flag or introspection: %s", err))
}
switch len(ports) {
case 0:
return cmdutil.UsageError(cmd, "couldn't find port via --port flag or introspection")
case 1:
params["port"] = ports[0]
default:
return cmdutil.UsageError(cmd, fmt.Sprintf("multiple ports to choose from: %v, please explicitly specify a port using the --port flag.", ports))
}
}
}
if cmdutil.GetFlagBool(cmd, "create-external-load-balancer") {
params["create-external-load-balancer"] = "true"
}
if len(params["labels"]) == 0 {
labels, err := f.LabelsForObject(inputObject)
if err != nil {
return err
}
params["labels"] = kubectl.MakeLabels(labels)
}
if v := cmdutil.GetFlagString(cmd, "type"); v != "" {
params["type"] = v
}
err = kubectl.ValidateParams(names, params)
if err != nil {
return err
}
// Expose new object
object, err := generator.Generate(params)
if err != nil {
return err
}
inline := cmdutil.GetFlagString(cmd, "overrides")
if len(inline) > 0 {
object, err = cmdutil.Merge(object, inline, mapping.Kind)
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(object)
if err != nil {
return err
}
data, err := info.Mapping.Codec.Encode(object)
if err != nil {
return err
}
_, err = resource.NewHelper(info.Client, info.Mapping).Create(namespace, false, data)
if err != nil {
return err
}
}
return f.PrintObject(cmd, object, out)
}
func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames []string) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
// validate flags
if err := validateFlags(cmd); err != nil {
return err
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
infos, err := r.Infos()
if err != nil {
return err
}
if len(infos) > 1 {
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
mapping := info.ResourceMapping()
if err := f.CanBeAutoscaled(mapping.GroupVersionKind.Kind); err != nil {
return err
}
// Get the generator, setup and validate all required parameters
generatorName := cmdutil.GetFlagString(cmd, "generator")
generator, found := f.Generator(generatorName)
if !found {
return cmdutil.UsageError(cmd, fmt.Sprintf("generator %q not found.", generatorName))
}
names := generator.ParamNames()
params := kubectl.MakeParams(cmd, names)
name := info.Name
params["default-name"] = name
params["scaleRef-kind"] = mapping.GroupVersionKind.Kind
params["scaleRef-name"] = name
params["scaleRef-apiVersion"] = mapping.GroupVersionKind.GroupVersion().String()
if err = kubectl.ValidateParams(names, params); err != nil {
return err
}
// Generate new object
object, err := generator.Generate(params)
if err != nil {
return err
}
resourceMapper := &resource.Mapper{ObjectTyper: typer, RESTMapper: mapper, ClientMapper: f.ClientMapperForCommand()}
hpa, err := resourceMapper.InfoForObject(object)
if err != nil {
return err
}
// TODO: extract this flag to a central location, when such a location exists.
if cmdutil.GetFlagBool(cmd, "dry-run") {
return f.PrintObject(cmd, object, out)
}
if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), hpa); err != nil {
return err
}
object, err = resource.NewHelper(hpa.Client, hpa.Mapping).Create(namespace, false, object)
if err != nil {
return err
}
if len(cmdutil.GetFlagString(cmd, "output")) > 0 {
return f.PrintObject(cmd, object, out)
}
cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, "autoscaled")
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")
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
attachablePod, err := f.AttachablePodForObject(obj)
if err != nil {
return err
}
return handleAttachPod(f, 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
}