Example #1
0
func addACBuildAnnotation(cmd *cobra.Command, args []string) error {
	const annoNamePattern = "appc.io/acbuild/command-%d"

	acb := newACBuild()

	man, err := util.GetManifest(acb.CurrentACIPath)
	if err != nil {
		return err
	}

	var acbuildCount int
	for _, ann := range man.Annotations {
		var tmpCount int
		n, _ := fmt.Sscanf(string(ann.Name), annoNamePattern, &tmpCount)
		if n == 1 && tmpCount > acbuildCount {
			acbuildCount = tmpCount
		}
	}

	command := cmd.Name()
	tmpcmd := cmd.Parent()
	for {
		command = tmpcmd.Name() + " " + command
		if tmpcmd == cmdAcbuild {
			break
		}
		tmpcmd = tmpcmd.Parent()
	}

	for _, a := range args {
		command += fmt.Sprintf(" %q", a)
	}

	return acb.AddAnnotation(fmt.Sprintf(annoNamePattern, acbuildCount+1), command)
}
Example #2
0
func (c *CLI) isInitDriverManagersCmd(cmd *cobra.Command) bool {
	return cmd.Parent() != nil &&
		cmd != c.adapterCmd &&
		cmd != c.adapterGetTypesCmd &&
		cmd != c.versionCmd &&
		c.isServiceCmd(cmd) &&
		c.isModuleCmd(cmd)
}
Example #3
0
File: doit.go Project: thebyrd/doit
func flagName(cmd *cobra.Command, name string) string {
	parentName := doit.NSRoot
	if cmd.Parent() != nil {
		parentName = cmd.Parent().Name()
	}

	return fmt.Sprintf("%s-%s-%s", parentName, cmd.Name(), name)
}
Example #4
0
File: doit.go Project: thebyrd/doit
func cmdNS(cmd *cobra.Command) string {
	parentName := doit.NSRoot
	if cmd.Parent() != nil {
		parentName = cmd.Parent().Name()
	}

	return fmt.Sprintf("%s-%s", parentName, cmd.Name())
}
Example #5
0
func tokenType(cmd *cobra.Command) string {
	if cmd.Parent().Name() == "team" {
		return tokenTeamManage
	}
	if asMember, _ := cmd.Flags().GetString("as-member"); asMember != "" {
		return tokenTeamAccess
	}
	return tokenPersonal
}
Example #6
0
func GenMarkdownCustom(cmd *cobra.Command, out io.Writer, linkHandler func(string) string) {
	name := cmd.CommandPath()

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	fmt.Fprintf(out, "## %s\n\n", name)
	fmt.Fprintf(out, "%s\n\n", short)
	fmt.Fprintf(out, "### Synopsis\n\n")
	fmt.Fprintf(out, "\n%s\n\n", long)

	if cmd.Runnable() {
		fmt.Fprintf(out, "```\n%s\n```\n\n", cmd.UseLine())
	}

	if len(cmd.Example) > 0 {
		fmt.Fprintf(out, "### Examples\n\n")
		fmt.Fprintf(out, "```\n%s\n```\n\n", cmd.Example)
	}

	printOptions(out, cmd, name)
	if hasSeeAlso(cmd) {
		fmt.Fprintf(out, "### SEE ALSO\n")
		if cmd.HasParent() {
			parent := cmd.Parent()
			pname := parent.CommandPath()
			link := pname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			fmt.Fprintf(out, "* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short)
			cmd.VisitParents(func(c *cobra.Command) {
				if c.DisableAutoGenTag {
					cmd.DisableAutoGenTag = c.DisableAutoGenTag
				}
			})
		}

		children := cmd.Commands()
		sort.Sort(byName(children))

		for _, child := range children {
			if !child.IsAvailableCommand() || child.IsHelpCommand() {
				continue
			}
			cname := name + " " + child.Name()
			link := cname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			fmt.Fprintf(out, "* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short)
		}
		fmt.Fprintf(out, "\n")
	}
	if !cmd.DisableAutoGenTag {
		fmt.Fprintf(out, "###### Auto generated by spf13/cobra on %s\n", time.Now().Format("2-Jan-2006"))
	}
}
Example #7
0
// IsSiblingCommandExists receives a pointer to a cobra command and a target string.
// Returns true if the target string is found in the list of sibling commands.
func IsSiblingCommandExists(cmd *cobra.Command, targetCmdName string) bool {
	for _, c := range cmd.Parent().Commands() {
		if c.Name() == targetCmdName {
			return true
		}
	}

	return false
}
Example #8
0
func missingFlag(cmd *cobra.Command, name string) (Result, error) {
	util.Errorf("No option -%s specified!\n", hostPathFlag)
	text := cmd.Name()
	parent := cmd.Parent()
	if parent != nil {
		text = parent.Name() + " " + text
	}
	util.Infof("Please try something like: %s --%s='some value' ...\n\n", text, hostPathFlag)
	return Failure, nil
}
Example #9
0
func AddCommand(parent *cobra.Command, cmd *cobra.Command, local bool) *cobra.Command {
	parent.AddCommand(cmd)
	for i := range extensions {
		ext := &extensions[i]
		if ext.run == false && local == ext.local && ext.After == cmd.Name() {
			ext.Func(cmd.Parent())
			ext.run = true
		}
	}
	return cmd
}
Example #10
0
func findChildOfRootCommand(command *cobra.Command) (*cobra.Command, bool) {
	for command.HasParent() {
		if !command.Parent().HasParent() {
			return command, true
		}

		command = command.Parent()
	}

	return nil, false
}
Example #11
0
func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
	// something like `rootcmd subcmd1 subcmd2`
	commandName := cmd.CommandPath()
	// something like `rootcmd-subcmd1-subcmd2`
	dashCommandName := strings.Replace(commandName, " ", "-", -1)

	fillHeader(header, commandName)

	buf := new(bytes.Buffer)

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	manPreamble(buf, header, commandName, short, long)
	manPrintOptions(buf, cmd)
	if len(cmd.Example) > 0 {
		fmt.Fprintf(buf, "# EXAMPLE\n")
		fmt.Fprintf(buf, "```\n%s\n```\n", cmd.Example)
	}
	if hasSeeAlso(cmd) {
		fmt.Fprintf(buf, "# SEE ALSO\n")
		seealsos := make([]string, 0)
		if cmd.HasParent() {
			parentPath := cmd.Parent().CommandPath()
			dashParentPath := strings.Replace(parentPath, " ", "-", -1)
			seealso := fmt.Sprintf("**%s(%s)**", dashParentPath, header.Section)
			seealsos = append(seealsos, seealso)
			cmd.VisitParents(func(c *cobra.Command) {
				if c.DisableAutoGenTag {
					cmd.DisableAutoGenTag = c.DisableAutoGenTag
				}
			})
		}
		children := cmd.Commands()
		sort.Sort(byName(children))
		for _, c := range children {
			if !c.IsAvailableCommand() || c.IsHelpCommand() {
				continue
			}
			seealso := fmt.Sprintf("**%s-%s(%s)**", dashCommandName, c.Name(), header.Section)
			seealsos = append(seealsos, seealso)
		}
		fmt.Fprintf(buf, "%s\n", strings.Join(seealsos, ", "))
	}
	if !cmd.DisableAutoGenTag {
		fmt.Fprintf(buf, "# HISTORY\n%s Auto generated by spf13/cobra\n", header.Date.Format("2-Jan-2006"))
	}
	return buf.Bytes()
}
Example #12
0
// Complete completes the options for the Openshift cli status command.
func (o *StatusOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, baseCLIName string, args []string, out io.Writer) error {
	if len(args) > 0 {
		return kcmdutil.UsageError(cmd, "no arguments should be provided")
	}

	o.logsCommandName = fmt.Sprintf("%s logs", cmd.Parent().CommandPath())
	o.securityPolicyCommandFormat = "oadm policy add-scc-to-user anyuid -n %s -z %s"
	o.setProbeCommandName = fmt.Sprintf("%s set probe", cmd.Parent().CommandPath())

	client, kclient, kclientset, err := f.Clients()
	if err != nil {
		return err
	}

	config, err := f.OpenShiftClientConfig.ClientConfig()
	if err != nil {
		return err
	}

	if o.allNamespaces {
		o.namespace = kapi.NamespaceAll
	} else {
		namespace, _, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		o.namespace = namespace
	}

	if baseCLIName == "" {
		baseCLIName = "oc"
	}

	o.describer = &describe.ProjectStatusDescriber{
		OldK:    kclient,
		K:       kclientset,
		C:       client,
		Server:  config.Host,
		Suggest: o.verbose,

		CommandBaseName: baseCLIName,

		// TODO: Remove these and reference them inside the markers using constants.
		LogsCommandName:             o.logsCommandName,
		SecurityPolicyCommandFormat: o.securityPolicyCommandFormat,
		SetProbeCommandName:         o.setProbeCommandName,
	}

	o.out = out

	return nil
}
Example #13
0
func RunCompletion(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
	if len(args) == 0 {
		return cmdutil.UsageError(cmd, "Shell not specified.")
	}
	if len(args) > 1 {
		return cmdutil.UsageError(cmd, "Too many arguments. Expected only the shell type.")
	}
	run, found := completion_shells[args[0]]
	if !found {
		return cmdutil.UsageError(cmd, "Unsupported shell type %q.", args[0])
	}

	return run(out, cmd.Parent())
}
Example #14
0
// 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, execUsageStr)
	}
	if len(p.PodName) != 0 {
		printDeprecationWarning("exec POD_NAME", "-p POD_NAME")
		if len(argsIn) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
		p.Command = argsIn
	} else {
		p.PodName = argsIn[0]
		p.Command = argsIn[1:]
		if len(p.Command) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
	}

	cmdParent := cmd.Parent()
	if cmdParent != nil {
		p.FullCmdName = cmdParent.CommandPath()
	}
	if len(p.FullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "describe") {
		p.SuggestedCmdUsage = fmt.Sprintf("Use '%s describe pod/%s' to see all of the containers in this pod.", p.FullCmdName, p.PodName)
	}

	namespace, _, err := f.DefaultNamespace()
	if err != nil {
		return err
	}
	p.Namespace = namespace

	config, err := f.ClientConfig()
	if err != nil {
		return err
	}
	p.Config = config

	clientset, err := f.ClientSet()
	if err != nil {
		return err
	}
	p.PodClient = clientset.Core()

	return nil
}
Example #15
0
func isInitDriverManagersCmd(cmd *cobra.Command) bool {

	return cmd.Parent() != nil &&
		cmd != adapterCmd &&
		cmd != adapterGetTypesCmd &&
		cmd != versionCmd &&
		cmd != serviceCmd &&
		cmd != serviceInitSysCmd &&
		cmd != installCmd &&
		cmd != uninstallCmd &&
		cmd != serviceStatusCmd &&
		cmd != serviceStopCmd &&
		!(cmd == serviceStartCmd && (client != "" || fg || force)) &&
		cmd != moduleCmd &&
		cmd != moduleTypesCmd &&
		cmd != moduleInstancesCmd &&
		cmd != moduleInstancesListCmd
}
Example #16
0
// SiblingCommand returns a sibling command to the given command
func SiblingCommand(cmd *cobra.Command, name string) string {
	c := cmd.Parent()
	command := []string{}
	for c != nil {
		glog.V(5).Infof("Found parent command: %s", c.Name())
		command = append([]string{c.Name()}, command...)
		c = c.Parent()
	}
	// Replace the root command with what was actually used
	// in the command line
	glog.V(4).Infof("Setting root command to: %s", os.Args[0])
	command[0] = os.Args[0]

	// Append the sibling command
	command = append(command, name)
	glog.V(4).Infof("The sibling command is: %s", strings.Join(command, " "))

	return strings.Join(command, " ")
}
Example #17
0
// Complete completes the options for the Openshift cli status command.
func (o *StatusOptions) Complete(f *clientcmd.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
	if len(args) > 0 {
		return kcmdutil.UsageError(cmd, "no arguments should be provided")
	}

	o.logsCommandName = fmt.Sprintf("%s logs -p", cmd.Parent().CommandPath())
	o.securityPolicyCommandFormat = "oadm policy add-scc-to-user anyuid -n %s -z %s"

	client, kclient, err := f.Clients()
	if err != nil {
		return err
	}

	config, err := f.OpenShiftClientConfig.ClientConfig()
	if err != nil {
		return err
	}

	if o.allNamespaces {
		o.namespace = kapi.NamespaceAll
	} else {
		namespace, _, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		o.namespace = namespace
	}

	o.describer = &describe.ProjectStatusDescriber{
		K:       kclient,
		C:       client,
		Server:  config.Host,
		Suggest: o.verbose,

		LogsCommandName:             o.logsCommandName,
		SecurityPolicyCommandFormat: o.securityPolicyCommandFormat,
	}

	o.out = out

	return nil
}
Example #18
0
func isInitDriverManagersCmd(cmd *cobra.Command) bool {

	isClient, _ := cmd.Flags().GetBool("client")
	isForeground, _ := cmd.Flags().GetBool("foreground")

	return cmd.Parent() != nil &&
		cmd != adapterCmd &&
		cmd != adapterGetTypesCmd &&
		cmd != versionCmd &&
		cmd != serviceCmd &&
		cmd != serviceInitSysCmd &&
		cmd != serviceInstallCmd &&
		cmd != serviceStatusCmd &&
		cmd != serviceStopCmd &&
		!(cmd == serviceStartCmd && (isClient || isForeground)) &&
		cmd != moduleCmd &&
		cmd != moduleTypesCmd &&
		cmd != moduleInstancesCmd &&
		cmd != moduleInstancesListCmd
}
Example #19
0
func RunCompletion(out io.Writer, boilerPlate string, cmd *cobra.Command, args []string) error {
	if len(args) == 0 {
		return cmdutil.UsageError(cmd, "Shell not specified.")
	}
	if len(args) > 1 {
		return cmdutil.UsageError(cmd, "Too many arguments. Expected only the shell type.")
	}
	run, found := completion_shells[args[0]]
	if !found {
		return cmdutil.UsageError(cmd, "Unsupported shell type %q.", args[0])
	}

	if len(boilerPlate) == 0 {
		boilerPlate = defaultBoilerPlate
	}
	if _, err := out.Write([]byte(boilerPlate)); err != nil {
		return err
	}
	return run(out, cmd.Parent())
}
Example #20
0
func HandleList(cmd *cobra.Command, args []string) {
	var (
		node   string
		target []string
		tag    []string
		group  []string
		err    tree_lib.TreeError
	)
	err.From = tree_lib.FROM_HANDLE_LIST
	node, err.Err = cmd.Flags().GetString("node")
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}
	target, err.Err = cmd.Flags().GetStringSlice("target")
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}
	tag, err.Err = cmd.Flags().GetStringSlice("tag")
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}
	group, err.Err = cmd.Flags().GetStringSlice("group")
	if !err.IsNull() {
		tree_log.Error(err.From, err.Error())
		return
	}
	var (
		docker_cmd = tree_docker.DockerCmd{}
	)
	docker_cmd.Content = make(map[string]string)
	if cmd.Parent().Name() == "container" {
		docker_cmd.Command = tree_docker.COMMAND_DOCKER_CONTAINER_LIST
	} else {
		docker_cmd.Command = tree_docker.COMMAND_DOCKER_IMAGE_LIST
	}
	docker_cmd.Content["all"] = "yes"
	SendDockerCommand(docker_cmd, node, target, tag, group)
}
Example #21
0
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f *cmdutil.Factory, out io.Writer, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
	if len(options.Raw) > 0 {
		restClient, err := f.RESTClient()
		if err != nil {
			return err
		}

		stream, err := restClient.Get().RequestURI(options.Raw).Stream()
		if err != nil {
			return err
		}
		defer stream.Close()

		for {
			buffer := make([]byte, 1024, 1024)
			bytesRead, err := stream.Read(buffer)
			if bytesRead > 0 {
				fmt.Printf("%s", string(buffer[:bytesRead]))
			}
			if err == io.EOF {
				return nil
			}
			if err != nil {
				return err
			}
		}
	}

	selector := cmdutil.GetFlagString(cmd, "selector")
	allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
	showKind := cmdutil.GetFlagBool(cmd, "show-kind")
	mapper, typer := f.Object()
	printAll := false
	filterFuncs := f.DefaultResourceFilterFunc()
	filterOpts := f.DefaultResourceFilterOptions(cmd, allNamespaces)

	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	if allNamespaces {
		enforceNamespace = false
	}

	if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
		fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)

		fullCmdName := cmd.Parent().CommandPath()
		usageString := "Required resource not specified."
		if len(fullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "explain") {
			usageString = fmt.Sprintf("%s\nUse \"%s explain <resource>\" for a detailed description of that resource (e.g. %[2]s explain pods).", usageString, fullCmdName)
		}

		return cmdutil.UsageError(cmd, usageString)
	}

	// determine if args contains "all"
	for _, a := range args {
		if a == "all" {
			printAll = true
			break
		}
	}

	// always show resources when getting by name or filename
	argsHasNames, err := resource.HasNames(args)
	if err != nil {
		return err
	}
	if len(options.Filenames) > 0 || argsHasNames {
		cmd.Flag("show-all").Value.Set("true")
	}
	export := cmdutil.GetFlagBool(cmd, "export")

	// handle watch separately since we cannot watch multiple resource types
	isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
	if isWatch || isWatchOnly {
		r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
			NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
			FilenameParam(enforceNamespace, &options.FilenameOptions).
			SelectorParam(selector).
			ExportParam(export).
			ResourceTypeOrNameArgs(true, args...).
			SingleResourceType().
			Latest().
			Do()
		err := r.Err()
		if err != nil {
			return err
		}
		infos, err := r.Infos()
		if err != nil {
			return err
		}
		if len(infos) != 1 {
			return fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(infos))
		}
		info := infos[0]
		mapping := info.ResourceMapping()
		printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
		if err != nil {
			return err
		}
		obj, err := r.Object()
		if err != nil {
			return err
		}

		// watching from resourceVersion 0, starts the watch at ~now and
		// will return an initial watch event.  Starting form ~now, rather
		// the rv of the object will insure that we start the watch from
		// inside the watch window, which the rv of the object might not be.
		rv := "0"
		isList := meta.IsListType(obj)
		if isList {
			// the resourceVersion of list objects is ~now but won't return
			// an initial watch event
			rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
			if err != nil {
				return err
			}
		}

		// print the current object
		filteredResourceCount := 0
		if !isWatchOnly {
			if err := printer.PrintObj(obj, out); err != nil {
				return fmt.Errorf("unable to output the provided object: %v", err)
			}
			filteredResourceCount++
			cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
		}

		// print watched changes
		w, err := r.Watch(rv)
		if err != nil {
			return err
		}

		first := true
		filteredResourceCount = 0
		intr := interrupt.New(nil, w.Stop)
		intr.Run(func() error {
			_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
				if !isList && first {
					// drop the initial watch event in the single resource case
					first = false
					return false, nil
				}
				err := printer.PrintObj(e.Object, out)
				if err != nil {
					return false, err
				}
				filteredResourceCount++
				cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, errOut, filterOpts)
				return false, nil
			})
			return err
		})
		return nil
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
		FilenameParam(enforceNamespace, &options.FilenameOptions).
		SelectorParam(selector).
		ExportParam(export).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Latest().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	printer, generic, err := cmdutil.PrinterForCommand(cmd)
	if err != nil {
		return err
	}

	if generic {
		clientConfig, err := f.ClientConfig()
		if err != nil {
			return err
		}

		// the outermost object will be converted to the output-version, but inner
		// objects can use their mappings
		version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
		if err != nil {
			return err
		}

		var errs []error
		singular := false
		infos, err := r.IntoSingular(&singular).Infos()
		if err != nil {
			if singular {
				return err
			}
			errs = append(errs, err)
		}

		res := ""
		if len(infos) > 0 {
			res = infos[0].ResourceMapping().Resource
		}

		obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
		if err != nil {
			return err
		}

		isList := meta.IsListType(obj)
		if isList {
			filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
			if err != nil {
				return err
			}
			filteredObj, err := cmdutil.ObjectListToVersionedObject(items, version)
			if err != nil {
				return err
			}
			if err := printer.PrintObj(filteredObj, out); err != nil {
				errs = append(errs, err)
			}

			cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
			return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
		}

		filteredResourceCount := 0
		if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
			if err != nil {
				glog.V(2).Infof("Unable to filter resource: %v", err)
			} else if err := printer.PrintObj(obj, out); err != nil {
				errs = append(errs, err)
			}
		} else if isFiltered {
			filteredResourceCount++
		}

		cmdutil.PrintFilterCount(filteredResourceCount, res, errOut, filterOpts)
		return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
	}

	allErrs := []error{}
	infos, err := r.Infos()
	if err != nil {
		allErrs = append(allErrs, err)
	}

	objs := make([]runtime.Object, len(infos))
	for ix := range infos {
		objs[ix] = infos[ix].Object
	}

	sorting, err := cmd.Flags().GetString("sort-by")
	if err != nil {
		return err
	}
	var sorter *kubectl.RuntimeSort
	if len(sorting) > 0 && len(objs) > 1 {
		clientConfig, err := f.ClientConfig()
		if err != nil {
			return err
		}

		version, err := cmdutil.OutputVersion(cmd, clientConfig.GroupVersion)
		if err != nil {
			return err
		}

		for ix := range infos {
			objs[ix], err = infos[ix].Mapping.ConvertToVersion(infos[ix].Object, version)
			if err != nil {
				allErrs = append(allErrs, err)
				continue
			}
		}

		// TODO: questionable
		if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
			return err
		}
	}

	// use the default printer for each object
	printer = nil
	var lastMapping *meta.RESTMapping
	w := kubectl.GetNewTabWriter(out)
	filteredResourceCount := 0

	if cmdutil.MustPrintWithKinds(objs, infos, sorter, printAll) {
		showKind = true
	}

	for ix := range objs {
		var mapping *meta.RESTMapping
		var original runtime.Object
		if sorter != nil {
			mapping = infos[sorter.OriginalPosition(ix)].Mapping
			original = infos[sorter.OriginalPosition(ix)].Object
		} else {
			mapping = infos[ix].Mapping
			original = infos[ix].Object
		}
		if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
			if printer != nil {
				w.Flush()
				cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
			}
			printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
			if err != nil {
				allErrs = append(allErrs, err)
				continue
			}

			// add linebreak between resource groups (if there is more than one)
			// skip linebreak above first resource group
			noHeaders := cmdutil.GetFlagBool(cmd, "no-headers")
			if lastMapping != nil && !noHeaders {
				fmt.Fprintf(errOut, "%s\n", "")
			}

			lastMapping = mapping
		}

		// filter objects if filter has been defined for current object
		if isFiltered, err := filterFuncs.Filter(original, filterOpts); isFiltered {
			if err == nil {
				filteredResourceCount++
				continue
			}
			allErrs = append(allErrs, err)
		}

		if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
			resourceName := resourcePrinter.GetResourceKind()
			if mapping != nil {
				if resourceName == "" {
					resourceName = mapping.Resource
				}
				if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
					resourceName = alias
				} else if resourceName == "" {
					resourceName = "none"
				}
			} else {
				resourceName = "none"
			}

			if showKind {
				resourcePrinter.EnsurePrintWithKind(resourceName)
			}

			if err := printer.PrintObj(original, w); err != nil {
				allErrs = append(allErrs, err)
			}
			continue
		}
		if err := printer.PrintObj(original, w); err != nil {
			allErrs = append(allErrs, err)
			continue
		}
	}
	w.Flush()
	if printer != nil && lastMapping != nil {
		cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, errOut, filterOpts)
	}
	return utilerrors.NewAggregate(allErrs)
}
Example #22
0
File: run.go Project: bmeng/origin
func Run(f *cmdutil.Factory, opts *RunOptions, 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 && opts != nil {
		switch {
		case restartPolicy == api.RestartPolicyAlways:
			generatorName = opts.DefaultRestartAlwaysGenerator
		default:
			generatorName = opts.DefaultGenerator
		}
	}
	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
}
Example #23
0
// RunGet implements the generic Get command
// TODO: convert all direct flag accessors to a struct and pass that instead of cmd
func RunGet(f cmdutil.Factory, out, errOut io.Writer, cmd *cobra.Command, args []string, options *GetOptions) error {
	if len(options.Raw) > 0 {
		restClient, err := f.RESTClient()
		if err != nil {
			return err
		}

		stream, err := restClient.Get().RequestURI(options.Raw).Stream()
		if err != nil {
			return err
		}
		defer stream.Close()

		_, err = io.Copy(out, stream)
		if err != nil && err != io.EOF {
			return err
		}
		return nil
	}

	selector := cmdutil.GetFlagString(cmd, "selector")
	allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
	showKind := cmdutil.GetFlagBool(cmd, "show-kind")
	mapper, typer, err := f.UnstructuredObject()
	if err != nil {
		return err
	}
	filterFuncs := f.DefaultResourceFilterFunc()
	filterOpts := f.DefaultResourceFilterOptions(cmd, allNamespaces)

	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	if allNamespaces {
		enforceNamespace = false
	}

	if len(args) == 0 && cmdutil.IsFilenameEmpty(options.Filenames) {
		fmt.Fprint(errOut, "You must specify the type of resource to get. ", valid_resources)

		fullCmdName := cmd.Parent().CommandPath()
		usageString := "Required resource not specified."
		if len(fullCmdName) > 0 && cmdutil.IsSiblingCommandExists(cmd, "explain") {
			usageString = fmt.Sprintf("%s\nUse \"%s explain <resource>\" for a detailed description of that resource (e.g. %[2]s explain pods).", usageString, fullCmdName)
		}

		return cmdutil.UsageError(cmd, usageString)
	}

	// always show resources when getting by name or filename
	argsHasNames, err := resource.HasNames(args)
	if err != nil {
		return err
	}
	if len(options.Filenames) > 0 || argsHasNames {
		cmd.Flag("show-all").Value.Set("true")
	}
	export := cmdutil.GetFlagBool(cmd, "export")

	// handle watch separately since we cannot watch multiple resource types
	isWatch, isWatchOnly := cmdutil.GetFlagBool(cmd, "watch"), cmdutil.GetFlagBool(cmd, "watch-only")
	if isWatch || isWatchOnly {
		r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
			NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
			FilenameParam(enforceNamespace, &options.FilenameOptions).
			SelectorParam(selector).
			ExportParam(export).
			ResourceTypeOrNameArgs(true, args...).
			SingleResourceType().
			Latest().
			Do()
		err := r.Err()
		if err != nil {
			return err
		}
		infos, err := r.Infos()
		if err != nil {
			return err
		}
		if len(infos) != 1 {
			return fmt.Errorf("watch is only supported on individual resources and resource collections - %d resources were found", len(infos))
		}
		info := infos[0]
		mapping := info.ResourceMapping()
		printer, err := f.PrinterForMapping(cmd, mapping, allNamespaces)
		if err != nil {
			return err
		}
		obj, err := r.Object()
		if err != nil {
			return err
		}

		// watching from resourceVersion 0, starts the watch at ~now and
		// will return an initial watch event.  Starting form ~now, rather
		// the rv of the object will insure that we start the watch from
		// inside the watch window, which the rv of the object might not be.
		rv := "0"
		isList := meta.IsListType(obj)
		if isList {
			// the resourceVersion of list objects is ~now but won't return
			// an initial watch event
			rv, err = mapping.MetadataAccessor.ResourceVersion(obj)
			if err != nil {
				return err
			}
		}

		// print the current object
		filteredResourceCount := 0
		if !isWatchOnly {
			if err := printer.PrintObj(obj, out); err != nil {
				return fmt.Errorf("unable to output the provided object: %v", err)
			}
			filteredResourceCount++
			cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, filterOpts)
		}

		// print watched changes
		w, err := r.Watch(rv)
		if err != nil {
			return err
		}

		first := true
		filteredResourceCount = 0
		intr := interrupt.New(nil, w.Stop)
		intr.Run(func() error {
			_, err := watch.Until(0, w, func(e watch.Event) (bool, error) {
				if !isList && first {
					// drop the initial watch event in the single resource case
					first = false
					return false, nil
				}
				err := printer.PrintObj(e.Object, out)
				if err != nil {
					return false, err
				}
				filteredResourceCount++
				cmdutil.PrintFilterCount(filteredResourceCount, mapping.Resource, filterOpts)
				return false, nil
			})
			return err
		})
		return nil
	}

	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.UnstructuredClientForMapping), runtime.UnstructuredJSONScheme).
		NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
		FilenameParam(enforceNamespace, &options.FilenameOptions).
		SelectorParam(selector).
		ExportParam(export).
		ResourceTypeOrNameArgs(true, args...).
		ContinueOnError().
		Latest().
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	printer, generic, err := cmdutil.PrinterForCommand(cmd)
	if err != nil {
		return err
	}

	if generic {
		// we flattened the data from the builder, so we have individual items, but now we'd like to either:
		// 1. if there is more than one item, combine them all into a single list
		// 2. if there is a single item and that item is a list, leave it as its specific list
		// 3. if there is a single item and it is not a a list, leave it as a single item
		var errs []error
		singular := false
		infos, err := r.IntoSingular(&singular).Infos()
		if err != nil {
			if singular {
				return err
			}
			errs = append(errs, err)
		}
		if len(infos) == 0 && len(errs) == 0 {
			outputEmptyListWarning(errOut)
		}

		res := ""
		if len(infos) > 0 {
			res = infos[0].ResourceMapping().Resource
		}

		var obj runtime.Object
		if singular {
			obj = infos[0].Object
		} else {
			// we have more than one item, so coerce all items into a list
			list := &runtime.UnstructuredList{
				Object: map[string]interface{}{
					"kind":       "List",
					"apiVersion": "v1",
					"metadata":   map[string]interface{}{},
				},
			}
			for _, info := range infos {
				list.Items = append(list.Items, info.Object.(*runtime.Unstructured))
			}
			obj = list
		}

		isList := meta.IsListType(obj)
		if isList {
			filteredResourceCount, items, err := cmdutil.FilterResourceList(obj, filterFuncs, filterOpts)
			if err != nil {
				return err
			}

			// take the filtered items and create a new list for display
			list := &runtime.UnstructuredList{
				Object: map[string]interface{}{
					"kind":       "List",
					"apiVersion": "v1",
					"metadata":   map[string]interface{}{},
				},
			}
			if listMeta, err := meta.ListAccessor(obj); err == nil {
				list.Object["selfLink"] = listMeta.GetSelfLink()
				list.Object["resourceVersion"] = listMeta.GetResourceVersion()
			}

			for _, item := range items {
				list.Items = append(list.Items, item.(*runtime.Unstructured))
			}
			if err := printer.PrintObj(list, out); err != nil {
				errs = append(errs, err)
			}

			cmdutil.PrintFilterCount(filteredResourceCount, res, filterOpts)
			return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
		}

		filteredResourceCount := 0
		if isFiltered, err := filterFuncs.Filter(obj, filterOpts); !isFiltered {
			if err != nil {
				glog.V(2).Infof("Unable to filter resource: %v", err)
			} else if err := printer.PrintObj(obj, out); err != nil {
				errs = append(errs, err)
			}
		} else if isFiltered {
			filteredResourceCount++
		}

		cmdutil.PrintFilterCount(filteredResourceCount, res, filterOpts)
		return utilerrors.Reduce(utilerrors.Flatten(utilerrors.NewAggregate(errs)))
	}

	allErrs := []error{}
	errs := sets.NewString()
	infos, err := r.Infos()
	if err != nil {
		allErrs = append(allErrs, err)
	}
	if len(infos) == 0 && len(allErrs) == 0 {
		outputEmptyListWarning(errOut)
	}

	objs := make([]runtime.Object, len(infos))
	for ix := range infos {
		objs[ix] = infos[ix].Object
	}

	sorting, err := cmd.Flags().GetString("sort-by")
	if err != nil {
		return err
	}
	var sorter *kubectl.RuntimeSort
	if len(sorting) > 0 && len(objs) > 1 {
		// TODO: questionable
		if sorter, err = kubectl.SortObjects(f.Decoder(true), objs, sorting); err != nil {
			return err
		}
	}

	// use the default printer for each object
	printer = nil
	var lastMapping *meta.RESTMapping
	w := kubectl.GetNewTabWriter(out)
	filteredResourceCount := 0

	if resource.MultipleTypesRequested(args) || cmdutil.MustPrintWithKinds(objs, infos, sorter) {
		showKind = true
	}

	for ix := range objs {
		var mapping *meta.RESTMapping
		var original runtime.Object
		if sorter != nil {
			mapping = infos[sorter.OriginalPosition(ix)].Mapping
			original = infos[sorter.OriginalPosition(ix)].Object
		} else {
			mapping = infos[ix].Mapping
			original = infos[ix].Object
		}
		if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
			if printer != nil {
				w.Flush()
				cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, filterOpts)
			}
			printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
			if err != nil {
				if !errs.Has(err.Error()) {
					errs.Insert(err.Error())
					allErrs = append(allErrs, err)
				}
				continue
			}

			// add linebreak between resource groups (if there is more than one)
			// skip linebreak above first resource group
			noHeaders := cmdutil.GetFlagBool(cmd, "no-headers")
			if lastMapping != nil && !noHeaders {
				fmt.Fprintf(errOut, "%s\n", "")
			}

			lastMapping = mapping
		}

		// filter objects if filter has been defined for current object
		if isFiltered, err := filterFuncs.Filter(original, filterOpts); isFiltered {
			if err == nil {
				filteredResourceCount++
				continue
			}
			if !errs.Has(err.Error()) {
				errs.Insert(err.Error())
				allErrs = append(allErrs, err)
			}
		}

		if resourcePrinter, found := printer.(*kubectl.HumanReadablePrinter); found {
			resourceName := resourcePrinter.GetResourceKind()
			if mapping != nil {
				if resourceName == "" {
					resourceName = mapping.Resource
				}
				if alias, ok := kubectl.ResourceShortFormFor(mapping.Resource); ok {
					resourceName = alias
				} else if resourceName == "" {
					resourceName = "none"
				}
			} else {
				resourceName = "none"
			}

			if showKind {
				resourcePrinter.EnsurePrintWithKind(resourceName)
			}

			if err := printer.PrintObj(original, w); err != nil {
				if !errs.Has(err.Error()) {
					errs.Insert(err.Error())
					allErrs = append(allErrs, err)
				}
			}
			continue
		}
		if err := printer.PrintObj(original, w); err != nil {
			if !errs.Has(err.Error()) {
				errs.Insert(err.Error())
				allErrs = append(allErrs, err)
			}
			continue
		}
	}
	w.Flush()
	if printer != nil && lastMapping != nil {
		cmdutil.PrintFilterCount(filteredResourceCount, lastMapping.Resource, filterOpts)
	}
	return utilerrors.NewAggregate(allErrs)
}
Example #24
0
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")
	}

	// validate image name
	imageName := cmdutil.GetFlagString(cmd, "image")
	validImageRef := reference.ReferenceRegexp.MatchString(imageName)
	if !validImageRef {
		return fmt.Errorf("Invalid image name %q: %v", imageName, reference.ErrReferenceInvalidFormat)
	}

	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))
	}

	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 && cmdutil.GetDryRunFlag(cmd) {
		return cmdutil.UsageError(cmd, "--dry-run can't be used with attached containers options (--attach, --stdin, or --tty)")
	}

	if err := verifyImagePullPolicy(cmd); err != nil {
		return err
	}

	generatorName := cmdutil.GetFlagString(cmd, "generator")
	schedule := cmdutil.GetFlagString(cmd, "schedule")
	if len(schedule) != 0 && len(generatorName) == 0 {
		generatorName = "cronjob/v2alpha1"
	}
	if len(generatorName) == 0 {
		clientset, err := f.ClientSet()
		if err != nil {
			return err
		}
		resourcesList, err := clientset.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"
		}
	}
	if generatorName == "job/v1beta1" {
		fmt.Fprintf(cmdErr, "DEPRECATED: --generator=job/v1beta1 is deprecated, use job/v1 instead.\n")
	}
	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
		}
	}

	if attach {
		quiet := cmdutil.GetFlagBool(cmd, "quiet")
		opts := &AttachOptions{
			StreamOptions: StreamOptions{
				In:    cmdIn,
				Out:   cmdOut,
				Err:   cmdErr,
				Stdin: interactive,
				TTY:   tty,
				Quiet: quiet,
			},

			CommandName: cmd.Parent().CommandPath() + " attach",

			Attach: &DefaultRemoteAttach{},
		}
		config, err := f.ClientConfig()
		if err != nil {
			return err
		}
		opts.Config = config

		clientset, err := f.ClientSet()
		if err != nil {
			return err
		}
		opts.PodClient = clientset.Core()

		attachablePod, err := f.AttachablePodForObject(obj)
		if err != nil {
			return err
		}
		err = handleAttachPod(f, clientset.Core(), attachablePod.Namespace, attachablePod.Name, opts, quiet)
		if err != nil {
			return err
		}

		var pod *api.Pod
		leaveStdinOpen := cmdutil.GetFlagBool(cmd, "leave-stdin-open")
		waitForExitCode := !leaveStdinOpen && restartPolicy == api.RestartPolicyNever
		if waitForExitCode {
			pod, err = waitForPodTerminated(clientset.Core(), attachablePod.Namespace, attachablePod.Name, opts.Out, quiet)
			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()
			r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
				ContinueOnError().
				NamespaceParam(namespace).DefaultNamespace().
				ResourceNames(mapping.Resource, name).
				Flatten().
				Do()
			// Note: we pass in "true" for the "quiet" parameter because
			// ReadResult will only print one thing based on the "quiet"
			// flag, and that's the "pod xxx deleted" message. If they
			// asked for us to remove the pod (via --rm) then telling them
			// its been deleted is unnecessary since that's what they asked
			// for. We should only print something if the "rm" fails.
			err = ReapResult(r, f, cmdOut, true, true, 0, -1, false, false, mapper, true)
			if err != nil {
				return err
			}
		}

		// after removal is done, return successfully if we are not interested in the exit code
		if !waitForExitCode {
			return nil
		}

		switch pod.Status.Phase {
		case api.PodSucceeded:
			return nil
		case api.PodFailed:
			unknownRcErr := fmt.Errorf("pod %s/%s failed with unknown exit code", pod.Namespace, pod.Name)
			if len(pod.Status.ContainerStatuses) == 0 || pod.Status.ContainerStatuses[0].State.Terminated == nil {
				return unknownRcErr
			}
			// assume here that we have at most one status because kubectl-run only creates one container per pod
			rc := pod.Status.ContainerStatuses[0].State.Terminated.ExitCode
			if rc == 0 {
				return unknownRcErr
			}
			return uexec.CodeExitError{
				Err:  fmt.Errorf("pod %s/%s terminated", pod.Namespace, pod.Name),
				Code: int(rc),
			}
		default:
			return fmt.Errorf("pod %s/%s left in phase %s", pod.Namespace, pod.Name, pod.Status.Phase)
		}
	}

	outputFormat := cmdutil.GetFlagString(cmd, "output")
	if outputFormat != "" || cmdutil.GetDryRunFlag(cmd) {
		return f.PrintObject(cmd, mapper, obj, cmdOut)
	}
	cmdutil.PrintSuccess(mapper, false, cmdOut, mapping.Resource, args[0], cmdutil.GetDryRunFlag(cmd), "created")
	return nil
}
Example #25
0
func GenerateSingle(cmd *cobra.Command, out *bytes.Buffer, linkHandler func(string) string, specs []string, render_dir string) {
	name := cmd.CommandPath()

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	fmt.Fprintf(out, "# %s\n\n", name)
	fmt.Fprintf(out, "%s\n\n", short)
	fmt.Fprintf(out, "## Synopsis\n")
	fmt.Fprintf(out, "\n%s\n\n", long)

	if cmd.Runnable() {
		fmt.Fprintf(out, "```bash\n%s\n```\n\n", cmd.UseLine())
	}

	if len(cmd.Example) > 0 {
		fmt.Fprintf(out, "## Examples\n\n")
		fmt.Fprintf(out, "```bash\n%s\n```\n\n", cmd.Example)
	}

	flags := cmd.NonInheritedFlags()
	flags.SetOutput(out)
	if flags.HasFlags() {
		fmt.Fprintf(out, "## Options\n\n```\n")
		flags.PrintDefaults()
		fmt.Fprintf(out, "```\n\n")
	}

	parentFlags := cmd.InheritedFlags()
	parentFlags.SetOutput(out)
	if parentFlags.HasFlags() {
		fmt.Fprintf(out, "## Options inherited from parent commands\n\n```\n")
		parentFlags.PrintDefaults()
		fmt.Fprintf(out, "```\n\n")
	}

	if len(cmd.Commands()) > 0 {
		fmt.Fprintf(out, "## Subcommands\n\n")
		children := cmd.Commands()
		sort.Sort(byName(children))

		for _, child := range children {
			if len(child.Deprecated) > 0 {
				continue
			}
			cname := name + " " + child.Name()
			link := cname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			fmt.Fprintf(out, "* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short)
		}
	}

	if len(cmd.Commands()) > 0 && cmd.HasParent() {
		fmt.Fprintf(out, "\n")
	}

	if cmd.HasParent() {
		fmt.Fprintf(out, "## See Also\n\n")
		parent := cmd.Parent()
		pname := parent.CommandPath()
		link := pname + ".md"
		link = strings.Replace(link, " ", "_", -1)
		fmt.Fprintf(out, "* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short)
	}

	fmt.Fprintf(out, "\n## Specifications\n\n")
	for _, spec := range specs {
		spec = strings.Replace(spec, render_dir, "", 1)
		title := strings.Replace(spec, "_", " ", -1)
		title = strings.Replace(title, ".md", "", 1)
		// title = strings.Replace(title, "spec", "specification", 1)
		title = strings.Title(title)
		fmt.Fprintf(out, "* [%s](%s)\n", title, linkHandler(spec))
	}

	fmt.Fprintf(out, "\n")
}