func RunDelete(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *DeleteOptions) error {
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
deleteAll := cmdutil.GetFlagBool(cmd, "all")
mapper, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
SelectorParam(cmdutil.GetFlagString(cmd, "selector")).
SelectAllParam(deleteAll).
ResourceTypeOrNameArgs(false, args...).RequireObject(false).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
ignoreNotFound := cmdutil.GetFlagBool(cmd, "ignore-not-found")
if deleteAll {
f := cmd.Flags().Lookup("ignore-not-found")
// The flag should never be missing
if f == nil {
return fmt.Errorf("missing --ignore-not-found flag")
}
// If the user didn't explicitly set the option, default to ignoring NotFound errors when used with --all
if !f.Changed {
ignoreNotFound = true
}
}
gracePeriod := cmdutil.GetFlagInt(cmd, "grace-period")
if cmdutil.GetFlagBool(cmd, "now") {
if gracePeriod != -1 {
return fmt.Errorf("--now and --grace-period cannot be specified together")
}
gracePeriod = 0
}
shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
// By default use a reaper to delete all related resources.
if cmdutil.GetFlagBool(cmd, "cascade") {
return ReapResult(r, f, out, cmdutil.GetFlagBool(cmd, "cascade"), ignoreNotFound, cmdutil.GetFlagDuration(cmd, "timeout"), gracePeriod, shortOutput, mapper)
}
return DeleteResult(r, out, ignoreNotFound, shortOutput, mapper)
}
func generateService(f *cmdutil.Factory, cmd *cobra.Command, args []string, serviceGenerator string, paramsIn map[string]interface{}, namespace string, out io.Writer) error {
generators := f.Generators("expose")
generator, found := generators[serviceGenerator]
if !found {
return fmt.Errorf("missing service generator: %s", serviceGenerator)
}
names := generator.ParamNames()
port := cmdutil.GetFlagInt(cmd, "port")
if port < 1 {
return fmt.Errorf("--port must be a positive integer when exposing a service")
}
params := map[string]interface{}{}
for key, value := range paramsIn {
_, isString := value.(string)
if isString {
params[key] = value
}
}
name, found := params["name"]
if !found || len(name.(string)) == 0 {
return fmt.Errorf("name is a required parameter")
}
selector, found := params["labels"]
if !found || len(selector.(string)) == 0 {
selector = fmt.Sprintf("run=%s", name.(string))
}
params["selector"] = selector
if defaultName, found := params["default-name"]; !found || len(defaultName.(string)) == 0 {
params["default-name"] = name
}
obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "service-overrides"), namespace)
if err != nil {
return err
}
if cmdutil.GetFlagString(cmd, "output") != "" {
return f.PrintObject(cmd, mapper, obj, out)
}
cmdutil.PrintSuccess(mapper, false, out, mapping.Resource, args[0], "created")
return nil
}
// RunScale executes the scaling
func RunScale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool, options *ScaleOptions) error {
if len(os.Args) > 1 && os.Args[1] == "resize" {
printDeprecationWarning("scale", "resize")
}
count := cmdutil.GetFlagInt(cmd, "replicas")
if count < 0 {
return cmdutil.UsageError(cmd, "--replicas=COUNT is required, and COUNT must be greater than or equal to 0")
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if 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(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
infos := []*resource.Info{}
err = r.Visit(func(info *resource.Info, err error) error {
if err == nil {
infos = append(infos, info)
}
return nil
})
resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
if len(resourceVersion) != 0 && len(infos) > 1 {
return fmt.Errorf("cannot use --resource-version with multiple resources")
}
counter := 0
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
mapping := info.ResourceMapping()
scaler, err := f.Scaler(mapping)
if err != nil {
return err
}
currentSize := cmdutil.GetFlagInt(cmd, "current-replicas")
precondition := &kubectl.ScalePrecondition{Size: currentSize, ResourceVersion: resourceVersion}
retry := kubectl.NewRetryParams(kubectl.Interval, kubectl.Timeout)
var waitForReplicas *kubectl.RetryParams
if timeout := cmdutil.GetFlagDuration(cmd, "timeout"); timeout != 0 {
waitForReplicas = kubectl.NewRetryParams(kubectl.Interval, timeout)
}
if err := scaler.Scale(info.Namespace, info.Name, uint(count), precondition, retry, waitForReplicas); err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, info) {
patchBytes, err := cmdutil.ChangeResourcePatch(info, f.Command())
if err != nil {
return err
}
mapping := info.ResourceMapping()
client, err := f.ClientForMapping(mapping)
if err != nil {
return err
}
helper := resource.NewHelper(client, mapping)
_, err = helper.Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patchBytes)
if err != nil {
return err
}
}
counter++
cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, "scaled")
return nil
})
if err != nil {
return err
}
if counter == 0 {
return fmt.Errorf("no objects passed to scale")
}
return nil
}
func Run(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *cobra.Command, args []string, argsLenAtDash int) error {
if len(os.Args) > 1 && os.Args[1] == "run-container" {
printDeprecationWarning("run", "run-container")
}
// Let kubectl run follow rules for `--`, see #13004 issue
if len(args) == 0 || argsLenAtDash == 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 -t/--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 {
client, err := f.Client()
if err != nil {
return err
}
resourcesList, err := client.Discovery().ServerResources()
// ServerResources ignores errors for old servers do not expose discovery
if err != nil {
return fmt.Errorf("failed to discover supported resources: %v", err)
}
switch restartPolicy {
case api.RestartPolicyAlways:
if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("deployments")) {
generatorName = "deployment/v1beta1"
} else {
generatorName = "run/v1"
}
case api.RestartPolicyOnFailure:
if contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) {
generatorName = "job/v1"
} else if contains(resourcesList, v1beta1.SchemeGroupVersion.WithResource("jobs")) {
generatorName = "job/v1beta1"
} else {
generatorName = "run-pod/v1"
}
case api.RestartPolicyNever:
generatorName = "run-pod/v1"
}
}
generators := f.Generators("run")
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)
params["name"] = args[0]
if len(args) > 1 {
params["args"] = args[1:]
}
params["env"] = cmdutil.GetFlagStringSlice(cmd, "env")
obj, _, mapper, mapping, err := createGeneratedObject(f, cmd, generator, names, params, cmdutil.GetFlagString(cmd, "overrides"), namespace)
if err != nil {
return err
}
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
}
}
attachFlag := cmd.Flags().Lookup("attach")
attach := cmdutil.GetFlagBool(cmd, "attach")
if !attachFlag.Changed && interactive {
attach = true
}
remove := cmdutil.GetFlagBool(cmd, "rm")
if !attach && remove {
return cmdutil.UsageError(cmd, "--rm should only be used for attached containers")
}
if attach {
opts := &AttachOptions{
In: cmdIn,
Out: cmdOut,
Err: cmdErr,
Stdin: interactive,
TTY: tty,
CommandName: cmd.Parent().CommandPath() + " attach",
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
}
err = handleAttachPod(f, client, attachablePod, opts)
if err != nil {
return err
}
if remove {
namespace, err = mapping.MetadataAccessor.Namespace(obj)
if err != nil {
return err
}
var name string
name, err = mapping.MetadataAccessor.Name(obj)
if err != nil {
return err
}
_, typer := f.Object(cmdutil.GetIncludeThirdPartyAPIs(cmd))
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
ResourceNames(mapping.Resource, name).
Flatten().
Do()
return ReapResult(r, f, cmdOut, true, true, 0, -1, false, mapper)
}
return nil
}
outputFormat := cmdutil.GetFlagString(cmd, "output")
if outputFormat != "" {
return f.PrintObject(cmd, mapper, obj, cmdOut)
}
cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], "created")
return nil
}