func RunPatch(f cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *PatchOptions) error {
switch {
case options.Local && len(args) != 0:
return fmt.Errorf("cannot specify --local and server resources")
}
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
patchType := api.StrategicMergePatchType
patchTypeString := strings.ToLower(cmdutil.GetFlagString(cmd, "type"))
if len(patchTypeString) != 0 {
ok := false
patchType, ok = patchTypes[patchTypeString]
if !ok {
return cmdutil.UsageError(cmd, fmt.Sprintf("--type must be one of %v, not %q", sets.StringKeySet(patchTypes).List(), patchTypeString))
}
}
patch := cmdutil.GetFlagString(cmd, "patch")
if len(patch) == 0 {
return cmdutil.UsageError(cmd, "Must specify -p to patch")
}
patchBytes, err := yaml.ToJSON([]byte(patch))
if err != nil {
return fmt.Errorf("unable to parse %q: %v", patch, err)
}
mapper, typer := f.Object()
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, &options.FilenameOptions).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
err = r.Err()
if err != nil {
return err
}
count := 0
err = r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
name, namespace := info.Name, info.Namespace
mapping := info.ResourceMapping()
client, err := f.ClientForMapping(mapping)
if err != nil {
return err
}
if !options.Local {
helper := resource.NewHelper(client, mapping)
_, err := helper.Patch(namespace, name, patchType, patchBytes)
if err != nil {
return err
}
if cmdutil.ShouldRecord(cmd, info) {
// don't return an error on failure. The patch itself succeeded, its only the hint for that change that failed
// don't bother checking for failures of this replace, because a failure to indicate the hint doesn't fail the command
// also, don't force the replacement. If the replacement fails on a resourceVersion conflict, then it means this
// record hint is likely to be invalid anyway, so avoid the bad hint
patch, err := cmdutil.ChangeResourcePatch(info, f.Command())
if err == nil {
helper.Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch)
}
}
count++
if options.OutputFormat == "name" || len(options.OutputFormat) == 0 {
cmdutil.PrintSuccess(mapper, options.OutputFormat == "name", out, "", name, false, "patched")
}
return nil
}
count++
patchedObj, err := api.Scheme.DeepCopy(info.VersionedObject)
if err != nil {
return err
}
originalObjJS, err := runtime.Encode(api.Codecs.LegacyCodec(mapping.GroupVersionKind.GroupVersion()), info.VersionedObject.(runtime.Object))
if err != nil {
return err
}
originalPatchedObjJS, err := getPatchedJSON(patchType, originalObjJS, patchBytes, patchedObj.(runtime.Object))
if err != nil {
return err
}
targetObj, err := runtime.Decode(api.Codecs.UniversalDecoder(), originalPatchedObjJS)
if err != nil {
return err
}
// TODO: if we ever want to go generic, this allows a clean -o yaml without trying to print columns or anything
// rawExtension := &runtime.Unknown{
// Raw: originalPatchedObjJS,
// }
printer, err := f.PrinterForMapping(cmd, mapping, false)
if err != nil {
return err
}
if err := printer.PrintObj(targetObj, out); err != nil {
return err
}
return nil
})
if err != nil {
return err
}
if count == 0 {
return fmt.Errorf("no objects passed to patch")
}
return nil
}
// 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, cmd *cobra.Command, args []string, options *GetOptions) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
mapper, typer := f.Object()
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
if len(args) == 0 && len(options.Filenames) == 0 {
fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// 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.Filenames...).
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
}
rv, err := mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
// print the current object
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
kubectl.WatchLoop(w, func(e watch.Event) error {
return printer.PrintObj(e.Object, out)
})
return nil
}
b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, options.Filenames...).
SelectorParam(selector).
ExportParam(export).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest()
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
singular := false
r := b.Flatten().Do()
infos, err := r.IntoSingular(&singular).Infos()
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
}
obj, err := resource.AsVersionedObject(infos, !singular, version.String(), f.JSONEncoder())
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
infos, err := b.Flatten().Do().Infos()
if err != nil {
return err
}
objs := make([]runtime.Object, len(infos))
for ix := range infos {
objs[ix] = infos[ix].Object
}
sorting, err := cmd.Flags().GetString("sort-by")
var sorter *kubectl.RuntimeSort
if err == nil && 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)
defer w.Flush()
for ix := range objs {
var mapping *meta.RESTMapping
if sorter != nil {
mapping = infos[sorter.OriginalPosition(ix)].Mapping
} else {
mapping = infos[ix].Mapping
}
if printer == nil || lastMapping == nil || mapping == nil || mapping.Resource != lastMapping.Resource {
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
return err
}
lastMapping = mapping
}
if _, found := printer.(*kubectl.HumanReadablePrinter); found {
if err := printer.PrintObj(objs[ix], w); err != nil {
return err
}
continue
}
if err := printer.PrintObj(objs[ix], out); err != nil {
return err
}
}
return nil
}
// 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, cmd *cobra.Command, args []string) error {
selector := cmdutil.GetFlagString(cmd, "selector")
allNamespaces := cmdutil.GetFlagBool(cmd, "all-namespaces")
mapper, typer := f.Object()
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
filenames := cmdutil.GetFlagStringSlice(cmd, "filename")
if len(args) == 0 && len(filenames) == 0 {
fmt.Fprint(out, "You must specify the type of resource to get. ", valid_resources, ` * componentstatuses (aka 'cs')
* endpoints (aka 'ep')
`)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// 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, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
SingleResourceType().
Latest().
Do()
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 a single resource - %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
}
rv, err := mapping.MetadataAccessor.ResourceVersion(obj)
if err != nil {
return err
}
// print the current object
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
kubectl.WatchLoop(w, func(e watch.Event) error {
return printer.PrintObj(e.Object, out)
})
return nil
}
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
NamespaceParam(cmdNamespace).DefaultNamespace().AllNamespaces(allNamespaces).
FilenameParam(enforceNamespace, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(true, args...).
ContinueOnError().
Latest()
printer, generic, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return err
}
if generic {
clientConfig, err := f.ClientConfig()
if err != nil {
return err
}
defaultVersion := clientConfig.Version
singular := false
r := b.Flatten().Do()
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
return err
}
// the outermost object will be converted to the output-version, but inner
// objects can use their mappings
version := cmdutil.OutputVersion(cmd, defaultVersion)
obj, err := resource.AsVersionedObject(infos, !singular, version)
if err != nil {
return err
}
return printer.PrintObj(obj, out)
}
// use the default printer for each object
return b.Do().Visit(func(r *resource.Info) error {
printer, err := f.PrinterForMapping(cmd, r.Mapping, allNamespaces)
if err != nil {
return err
}
return printer.PrintObj(r.Object, out)
})
}
// 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)
}
// 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
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)
return cmdutil.UsageError(cmd, "Required resource not specified.")
}
// 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
if !isWatchOnly {
if err := printer.PrintObj(obj, out); err != nil {
return fmt.Errorf("unable to output the provided object: %v", err)
}
printer.AfterPrint(errOut, mapping.Resource)
}
// print watched changes
w, err := r.Watch(rv)
if err != nil {
return err
}
first := true
kubectl.WatchLoop(w, func(e watch.Event) error {
if !isList && first {
// drop the initial watch event in the single resource case
first = false
return nil
}
err := printer.PrintObj(e.Object, out)
if err == nil {
printer.AfterPrint(errOut, mapping.Resource)
}
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
}
allErrs := []error{}
singular := false
infos, err := r.IntoSingular(&singular).Infos()
if err != nil {
if singular {
return err
}
allErrs = append(allErrs, 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
}
res := ""
if len(infos) > 0 {
res = infos[0].ResourceMapping().Resource
}
obj, err := resource.AsVersionedObject(infos, !singular, version, f.JSONEncoder())
if err != nil {
return err
}
if err := printer.PrintObj(obj, out); err != nil {
allErrs = append(allErrs, err)
}
printer.AfterPrint(errOut, res)
return utilerrors.NewAggregate(allErrs)
}
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)
if 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()
printer.AfterPrint(errOut, lastMapping.Resource)
}
printer, err = f.PrinterForMapping(cmd, mapping, allNamespaces)
if err != nil {
allErrs = append(allErrs, err)
continue
}
lastMapping = mapping
}
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 {
printer.AfterPrint(errOut, lastMapping.Resource)
}
return utilerrors.NewAggregate(allErrs)
}
func RunLabel(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
resources, labelArgs := []string{}, []string{}
first := true
for _, s := range args {
isLabel := strings.Contains(s, "=") || strings.HasSuffix(s, "-")
switch {
case first && isLabel:
first = false
fallthrough
case !first && isLabel:
labelArgs = append(labelArgs, s)
case first && !isLabel:
resources = append(resources, s)
case !first && !isLabel:
return cmdutil.UsageError(cmd, "all resources must be specified before label changes: %s", s)
}
}
filenames := cmdutil.GetFlagStringSlice(cmd, "filename")
if len(resources) < 1 && len(filenames) == 0 {
return cmdutil.UsageError(cmd, "one or more resources must be specified as <resource> <name> or <resource>/<name>")
}
if len(labelArgs) < 1 {
return cmdutil.UsageError(cmd, "at least one label update is required")
}
selector := cmdutil.GetFlagString(cmd, "selector")
all := cmdutil.GetFlagBool(cmd, "all")
overwrite := cmdutil.GetFlagBool(cmd, "overwrite")
resourceVersion := cmdutil.GetFlagString(cmd, "resource-version")
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
labels, remove, err := parseLabels(labelArgs)
if err != nil {
return cmdutil.UsageError(cmd, err.Error())
}
mapper, typer := f.Object()
b := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(cmdNamespace).DefaultNamespace().
FilenameParam(enforceNamespace, filenames...).
SelectorParam(selector).
ResourceTypeOrNameArgs(all, resources...).
Flatten().
Latest()
one := false
r := b.Do().IntoSingular(&one)
if err := r.Err(); err != nil {
return err
}
// only apply resource version locking on a single resource
if !one && len(resourceVersion) > 0 {
return cmdutil.UsageError(cmd, "--resource-version may only be used with a single resource")
}
// TODO: support bulk generic output a la Get
return r.Visit(func(info *resource.Info, err error) error {
if err != nil {
return err
}
obj, err := cmdutil.UpdateObject(info, func(obj runtime.Object) error {
err := labelFunc(obj, overwrite, resourceVersion, labels, remove)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
printer, err := f.PrinterForMapping(cmd, info.Mapping, false)
if err != nil {
return err
}
return printer.PrintObj(obj, out)
})
}