Golang util.CheckErr函数代码示例

func NewCmdReplace(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &ReplaceOptions{}

	cmd := &cobra.Command{
		Use: "replace -f FILENAME",
		// update is deprecated.
		Aliases: []string{"update"},
		Short:   "Replace a resource by filename or stdin.",
		Long:    replace_long,
		Example: replace_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			err := RunReplace(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
	}
	usage := "Filename, directory, or URL to file to use to replace the resource."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.MarkFlagRequired("filename")
	cmd.Flags().Bool("force", false, "Delete and re-create the specified resource")
	cmd.Flags().Bool("cascade", false, "Only relevant during a force replace. If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController).")
	cmd.Flags().Int("grace-period", -1, "Only relevant during a force replace. Period of time in seconds given to the old resource to terminate gracefully. Ignored if negative.")
	cmd.Flags().Duration("timeout", 0, "Only relevant during a force replace. The length of time to wait before giving up on a delete of the old resource, zero means determine a timeout from the size of the object")
	cmdutil.AddValidateFlags(cmd)
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

func NewCmdExec(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
	options := &ExecOptions{
		In:  cmdIn,
		Out: cmdOut,
		Err: cmdErr,

		Executor: &DefaultRemoteExecutor{},
	}
	cmd := &cobra.Command{
		Use:     "exec POD [-c CONTAINER] -- COMMAND [args...]",
		Short:   "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", "", "Pod name")
	// TODO support UID
	cmd.Flags().StringVarP(&options.ContainerName, "container", "c", "", "Container name. If omitted, the first container in the pod will be chosen")
	cmd.Flags().BoolVarP(&options.Stdin, "stdin", "i", false, "Pass stdin to the container")
	cmd.Flags().BoolVarP(&options.TTY, "tty", "t", false, "Stdin is a TTY")
	return cmd
}

func NewCmdAttach(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
	options := &AttachOptions{
		In:  cmdIn,
		Out: cmdOut,
		Err: cmdErr,

		Attach: &DefaultRemoteAttach{},
	}
	cmd := &cobra.Command{
		Use:     "attach POD -c CONTAINER",
		Short:   "Attach to a running container.",
		Long:    "Attach to a a process that is already running inside an existing container.",
		Example: attach_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(options.Complete(f, cmd, args))
			cmdutil.CheckErr(options.Validate())
			cmdutil.CheckErr(options.Run())
		},
	}
	// TODO support UID
	cmd.Flags().StringVarP(&options.ContainerName, "container", "c", "", "Container name. If omitted, the first container in the pod will be chosen")
	cmd.Flags().BoolVarP(&options.Stdin, "stdin", "i", false, "Pass stdin to the container")
	cmd.Flags().BoolVarP(&options.TTY, "tty", "t", false, "Stdin is a TTY")
	return cmd
}

func NewCmdAnnotate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &AnnotateOptions{}

	cmd := &cobra.Command{
		Use:     "annotate [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]",
		Short:   "Update the annotations on a resource",
		Long:    annotate_long,
		Example: annotate_example,
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Complete(f, args); err != nil {
				cmdutil.CheckErr(err)
			}
			if err := options.Validate(args); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error()))
			}
			if err := options.RunAnnotate(); err != nil {
				cmdutil.CheckErr(err)
			}
		},
	}
	cmd.Flags().BoolVar(&options.overwrite, "overwrite", false, "If true, allow annotations to be overwritten, otherwise reject annotation updates that overwrite existing annotations.")
	cmd.Flags().BoolVar(&options.all, "all", false, "select all resources in the namespace of the specified resource types")
	cmd.Flags().StringVar(&options.resourceVersion, "resource-version", "", "If non-empty, the annotation update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.")
	usage := "Filename, directory, or URL to a file identifying the resource to update the annotation"
	kubectl.AddJsonFilenameFlag(cmd, &options.filenames, usage)
	return cmd
}

func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &DeleteOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "delete ([-f FILENAME] | TYPE [(NAME | -l label | --all)])",
		Short:   "Delete resources by filenames, stdin, resources and names, or by resources and label selector.",
		Long:    delete_long,
		Example: delete_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			err := RunDelete(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	usage := "Filename, directory, or URL to a file containing the resource to delete."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
	cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
	cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful delete. Defaults to \"true\" when --all is specified.")
	cmd.Flags().Bool("cascade", true, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController).  Default true.")
	cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
	cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

func NewCmdLabel(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &LabelOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "label [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]",
		Short:   "Update the labels on a resource",
		Long:    fmt.Sprintf(label_long, validation.LabelValueMaxLength),
		Example: label_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunLabel(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().Bool("overwrite", false, "If true, allow labels to be overwritten, otherwise reject label updates that overwrite existing labels.")
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
	cmd.Flags().Bool("all", false, "select all resources in the namespace of the specified resource types")
	cmd.Flags().String("resource-version", "", "If non-empty, the labels update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.")
	usage := "Filename, directory, or URL to a file identifying the resource to update the labels"
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without sending it.")

	return cmd
}

// NewCmdScale returns a cobra command with the appropriate configuration and flags to run scale
func NewCmdScale(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &ScaleOptions{}

	cmd := &cobra.Command{
		Use: "scale [--resource-version=version] [--current-replicas=count] --replicas=COUNT (-f FILENAME | TYPE NAME)",
		// resize is deprecated
		Aliases: []string{"resize"},
		Short:   "Set a new size for a Replication Controller.",
		Long:    scale_long,
		Example: scale_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
			err := RunScale(f, out, cmd, args, shortOutput, options)
			cmdutil.CheckErr(err)
		},
	}
	cmd.Flags().String("resource-version", "", "Precondition for resource version. Requires that the current resource version match this value in order to scale.")
	cmd.Flags().Int("current-replicas", -1, "Precondition for current size. Requires that the current size of the replication controller match this value in order to scale.")
	cmd.Flags().Int("replicas", -1, "The new desired number of replicas. Required.")
	cmd.MarkFlagRequired("replicas")
	cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a scale operation, zero means don't wait.")
	cmdutil.AddOutputFlagsForMutation(cmd)

	usage := "Filename, directory, or URL to a file identifying the replication controller to set a new size"
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	return cmd
}

// NewCmdConvert creates a command object for the generic "convert" action, which
// translates the config file into a given version.
func NewCmdConvert(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &ConvertOptions{}

	cmd := &cobra.Command{
		Use:     "convert -f FILENAME",
		Short:   "Convert config files between different API versions",
		Long:    convert_long,
		Example: convert_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := options.Complete(f, out, cmd, args)
			cmdutil.CheckErr(err)
			err = options.RunConvert()
			cmdutil.CheckErr(err)
		},
	}

	usage := "Filename, directory, or URL to file to need to get converted."
	kubectl.AddJsonFilenameFlag(cmd, &options.filenames, usage)
	cmd.MarkFlagRequired("filename")
	cmdutil.AddValidateFlags(cmd)
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().BoolVar(&options.local, "local", true, "If true, convert will NOT try to contact api-server but run locally.")

	return cmd
}

// NewCmdGet creates a command object for the generic "get" action, which
// retrieves one or more resources from a server.
func NewCmdGet(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &GetOptions{}

	// retrieve a list of handled resources from printer as valid args
	validArgs := []string{}
	p, err := f.Printer(nil, false, false, false, false, []string{})
	cmdutil.CheckErr(err)
	if p != nil {
		validArgs = p.HandledResources()
	}

	cmd := &cobra.Command{
		Use:     "get [(-o|--output=)json|yaml|wide|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=...] (TYPE [NAME | -l label] | TYPE/NAME ...) [flags]",
		Short:   "Display one or many resources",
		Long:    get_long,
		Example: get_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunGet(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
		ValidArgs: validArgs,
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on")
	cmd.Flags().BoolP("watch", "w", false, "After listing/getting the requested object, watch for changes.")
	cmd.Flags().Bool("watch-only", false, "Watch for changes to the requested object(s), without listing/getting first.")
	cmd.Flags().Bool("all-namespaces", false, "If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.")
	cmd.Flags().StringSliceP("label-columns", "L", []string{}, "Accepts a comma separated list of labels that are going to be presented as columns. Names are case-sensitive. You can also use multiple flag statements like -L label1 -L label2...")
	usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	return cmd
}

func NewCmdRollingUpdate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &RollingUpdateOptions{}

	cmd := &cobra.Command{
		Use: "rolling-update OLD_CONTROLLER_NAME ([NEW_CONTROLLER_NAME] --image=NEW_CONTAINER_IMAGE | -f NEW_CONTROLLER_SPEC)",
		// rollingupdate is deprecated.
		Aliases: []string{"rollingupdate"},
		Short:   "Perform a rolling update of the given ReplicationController.",
		Long:    rollingUpdate_long,
		Example: rollingUpdate_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := RunRollingUpdate(f, out, cmd, args, options)
			cmdutil.CheckErr(err)
		},
	}
	cmd.Flags().Duration("update-period", updatePeriod, `Time to wait between updating pods. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".`)
	cmd.Flags().Duration("poll-interval", pollInterval, `Time delay between polling for replication controller status after the update. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".`)
	cmd.Flags().Duration("timeout", timeout, `Max time to wait for a replication controller to update before giving up. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".`)
	usage := "Filename or URL to file to use to create the new replication controller."
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.MarkFlagRequired("filename")
	cmd.Flags().String("image", "", "Image to use for upgrading the replication controller. Must be distinct from the existing image (either new image or new image tag).  Can not be used with --filename/-f")
	cmd.MarkFlagRequired("image")
	cmd.Flags().String("deployment-label-key", "deployment", "The key to use to differentiate between two different controllers, default 'deployment'.  Only relevant when --image is specified, ignored otherwise")
	cmd.Flags().Bool("dry-run", false, "If true, print out the changes that would be made, but don't actually make them.")
	cmd.Flags().Bool("rollback", false, "If true, this is a request to abort an existing rollout that is partially rolled out. It effectively reverses current and next and runs a rollout")
	cmdutil.AddValidateFlags(cmd)
	cmdutil.AddPrinterFlags(cmd)
	return cmd
}

func NewCmdRun(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
	cmd := &cobra.Command{
		Use: "run NAME --image=image [--env=\"key=value\"] [--port=port] [--replicas=replicas] [--dry-run=bool] [--overrides=inline-json]",
		// run-container is deprecated
		Aliases: []string{"run-container"},
		Short:   "Run a particular image on the cluster.",
		Long:    run_long,
		Example: run_example,
		Run: func(cmd *cobra.Command, args []string) {
			err := Run(f, cmdIn, cmdOut, cmdErr, cmd, args)
			cmdutil.CheckErr(err)
		},
	}
	cmdutil.AddPrinterFlags(cmd)
	cmd.Flags().String("generator", "", "The name of the API generator to use.  Default is 'run/v1' if --restart=Always, otherwise the default is 'run-pod/v1'.")
	cmd.Flags().String("image", "", "The image for the container to run.")
	cmd.MarkFlagRequired("image")
	cmd.Flags().IntP("replicas", "r", 1, "Number of replicas to create for this container. Default is 1.")
	cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without sending it.")
	cmd.Flags().String("overrides", "", "An inline JSON override for the generated object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field.")
	cmd.Flags().StringSlice("env", []string{}, "Environment variables to set in the container")
	cmd.Flags().Int("port", -1, "The port that this container exposes.")
	cmd.Flags().Int("hostport", -1, "The host port mapping for the container port. To demonstrate a single-machine container.")
	cmd.Flags().StringP("labels", "l", "", "Labels to apply to the pod(s).")
	cmd.Flags().BoolP("stdin", "i", false, "Keep stdin open on the container(s) in the pod, even if nothing is attached.")
	cmd.Flags().Bool("tty", false, "Allocated a TTY for each container in the pod.  Because -t is currently shorthand for --template, -t is not supported for --tty. This shorthand is deprecated and we expect to adopt -t for --tty soon.")
	cmd.Flags().Bool("attach", false, "If true, wait for the Pod to start running, and then attach to the Pod as if 'kubectl attach ...' were called.  Default false, unless '-i/--interactive' is set, in which case the default is true.")
	cmd.Flags().Bool("leave-stdin-open", false, "If the pod is started in interactive mode or with stdin, leave stdin open after the first attach completes. By default, stdin will be closed after the first attach completes.")
	cmd.Flags().String("restart", "Always", "The restart policy for this Pod.  Legal values [Always, OnFailure, Never].  If set to 'Always' a replication controller is created for this pod, if set to OnFailure or Never, only the Pod is created and --replicas must be 1.  Default 'Always'")
	cmd.Flags().Bool("command", false, "If true and extra arguments are present, use them as the 'command' field in the container, rather than the 'args' field which is the default.")
	cmd.Flags().String("requests", "", "The resource requirement requests for this container.  For example, 'cpu=100m,memory=256Mi'")
	cmd.Flags().String("limits", "", "The resource requirement limits for this container.  For example, 'cpu=200m,memory=512Mi'")
	return cmd
}

func NewCmdVersion(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "version",
		Short: "Print the client and server version information.",
		Run: func(cmd *cobra.Command, args []string) {
			err := RunVersion(f, out, cmd)
			cmdutil.CheckErr(err)
		},
	}
	cmd.Flags().BoolP("client", "c", false, "Client version only (no server required).")
	return cmd
}

func NewCmdApply(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &ApplyOptions{}

	cmd := &cobra.Command{
		Use:     "apply -f FILENAME",
		Short:   "Apply a configuration to a resource by filename or stdin",
		Long:    apply_long,
		Example: apply_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(validateArgs(cmd, args))
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			cmdutil.CheckErr(RunApply(f, cmd, out, options))
		},
	}

	usage := "Filename, directory, or URL to file that contains the configuration to apply"
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.MarkFlagRequired("filename")
	cmdutil.AddValidateFlags(cmd)
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

func NewCmdCreate(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	options := &CreateOptions{}

	cmd := &cobra.Command{
		Use:     "create -f FILENAME",
		Short:   "Create a resource by filename or stdin",
		Long:    create_long,
		Example: create_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(ValidateArgs(cmd, args))
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			cmdutil.CheckErr(RunCreate(f, cmd, out, options))
		},
	}

	usage := "Filename, directory, or URL to file to use to create the resource"
	kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
	cmd.MarkFlagRequired("filename")
	cmdutil.AddValidateFlags(cmd)
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

func NewCmdApiVersions(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	cmd := &cobra.Command{
		Use: "api-versions",
		// apiversions is deprecated.
		Aliases: []string{"apiversions"},
		Short:   "Print the supported API versions on the server, in the form of \"group/version\".",
		Run: func(cmd *cobra.Command, args []string) {
			err := RunApiVersions(f, out)
			cmdutil.CheckErr(err)
		},
	}
	return cmd
}