// Complete assigns the SelectorOptions from args. func (o *SelectorOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error { o.local = cmdutil.GetFlagBool(cmd, "local") o.all = cmdutil.GetFlagBool(cmd, "all") o.record = cmdutil.GetRecordFlag(cmd) o.dryrun = cmdutil.GetDryRunFlag(cmd) cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } o.changeCause = f.Command() mapper, _ := f.Object() o.mapper = mapper o.encoder = f.JSONEncoder() o.builder = f.NewBuilder(). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, &o.fileOptions). Flatten() o.PrintObject = func(obj runtime.Object) error { return f.PrintObject(cmd, mapper, obj, o.out) } o.ClientForMapping = func(mapping *meta.RESTMapping) (resource.RESTClient, error) { return f.ClientForMapping(mapping) } o.resources, o.selector, err = getResourcesAndSelector(args) return err }
// popCluster fetches the cluster object with the given name, deletes // it and returns the deleted cluster object. func popCluster(f cmdutil.Factory, name string) (*federationapi.Cluster, error) { // Boilerplate to create the secret in the host cluster. mapper, typer := f.Object() gvks, _, err := typer.ObjectKinds(&federationapi.Cluster{}) if err != nil { return nil, err } gvk := gvks[0] mapping, err := mapper.RESTMapping(schema.GroupKind{Group: gvk.Group, Kind: gvk.Kind}, gvk.Version) if err != nil { return nil, err } client, err := f.ClientForMapping(mapping) if err != nil { return nil, err } rh := resource.NewHelper(client, mapping) obj, err := rh.Get("", name, false) if isNotFound(err) { // Cluster isn't registered, there isn't anything to be done here. return nil, nil } else if err != nil { return nil, err } cluster, ok := obj.(*federationapi.Cluster) if !ok { return nil, fmt.Errorf("unexpected object type: expected \"federation/v1beta1.Cluster\", got %T: obj: %#v", obj, obj) } // Remove the cluster resource in the federation API server by // calling rh.Delete() return cluster, rh.Delete("", name) }
func createGeneratedObject(f *cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) { err := kubectl.ValidateParams(names, params) if err != nil { return nil, "", nil, nil, err } // TODO: Validate flag usage against selected generator. More tricky since --expose was added. obj, err := generator.Generate(params) if err != nil { return nil, "", nil, nil, err } mapper, typer := f.Object() groupVersionKind, err := typer.ObjectKind(obj) if err != nil { return nil, "", nil, nil, err } if len(overrides) > 0 { codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true)) obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind) if err != nil { return nil, "", nil, nil, err } } mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version) if err != nil { return nil, "", nil, nil, err } client, err := f.ClientForMapping(mapping) if err != nil { return nil, "", nil, nil, err } // TODO: extract this flag to a central location, when such a location exists. if !cmdutil.GetFlagBool(cmd, "dry-run") { resourceMapper := &resource.Mapper{ ObjectTyper: typer, RESTMapper: mapper, ClientMapper: resource.ClientMapperFunc(f.ClientForMapping), Decoder: f.Decoder(true), } info, err := resourceMapper.InfoForObject(obj) if err != nil { return nil, "", nil, nil, err } if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil { return nil, "", nil, nil, err } obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object) if err != nil { return nil, "", nil, nil, err } } return obj, groupVersionKind.Kind, mapper, mapping, err }
func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool, options *PatchOptions) error { cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } 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.Filenames...). ResourceTypeOrNameArgs(false, args...). Flatten(). 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("multiple resources provided") } info := infos[0] name, namespace := info.Name, info.Namespace mapping := info.ResourceMapping() client, err := f.ClientForMapping(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) _, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes) if err != nil { return err } cmdutil.PrintSuccess(mapper, shortOutput, out, "", name, "patched") return nil }
// RunCreateSubcommand executes a create subcommand using the specified options func RunCreateSubcommand(f cmdutil.Factory, cmd *cobra.Command, out io.Writer, options *CreateSubcommandOptions) error { namespace, _, err := f.DefaultNamespace() if err != nil { return err } obj, err := options.StructuredGenerator.StructuredGenerate() if err != nil { return err } mapper, typer := f.Object() gvks, _, err := typer.ObjectKinds(obj) if err != nil { return err } gvk := gvks[0] mapping, err := mapper.RESTMapping(schema.GroupKind{Group: gvk.Group, Kind: gvk.Kind}, gvk.Version) if err != nil { return err } client, err := f.ClientForMapping(mapping) if err != nil { return err } resourceMapper := &resource.Mapper{ ObjectTyper: typer, RESTMapper: mapper, ClientMapper: resource.ClientMapperFunc(f.ClientForMapping), } info, err := resourceMapper.InfoForObject(obj, nil) if err != nil { return err } if err := kubectl.UpdateApplyAnnotation(info, f.JSONEncoder()); err != nil { return err } if !options.DryRun { obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object) if err != nil { return err } } if useShortOutput := options.OutputFormat == "name"; useShortOutput || len(options.OutputFormat) == 0 { cmdutil.PrintSuccess(mapper, useShortOutput, out, mapping.Resource, options.Name, options.DryRun, "created") return nil } return f.PrintObject(cmd, mapper, obj, out) }
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 }
func createGeneratedObject(f cmdutil.Factory, cmd *cobra.Command, generator kubectl.Generator, names []kubectl.GeneratorParam, params map[string]interface{}, overrides, namespace string) (runtime.Object, string, meta.RESTMapper, *meta.RESTMapping, error) { err := kubectl.ValidateParams(names, params) if err != nil { return nil, "", nil, nil, err } // TODO: Validate flag usage against selected generator. More tricky since --expose was added. obj, err := generator.Generate(params) if err != nil { return nil, "", nil, nil, err } mapper, typer := f.Object() groupVersionKinds, _, err := typer.ObjectKinds(obj) if err != nil { return nil, "", nil, nil, err } groupVersionKind := groupVersionKinds[0] if len(overrides) > 0 { codec := runtime.NewCodec(f.JSONEncoder(), f.Decoder(true)) obj, err = cmdutil.Merge(codec, obj, overrides, groupVersionKind.Kind) if err != nil { return nil, "", nil, nil, err } } mapping, err := mapper.RESTMapping(groupVersionKind.GroupKind(), groupVersionKind.Version) if err != nil { return nil, "", nil, nil, err } client, err := f.ClientForMapping(mapping) if err != nil { return nil, "", nil, nil, err } annotations, err := mapping.MetadataAccessor.Annotations(obj) if err != nil { return nil, "", nil, nil, err } if cmdutil.GetRecordFlag(cmd) || len(annotations[kubectl.ChangeCauseAnnotation]) > 0 { if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil { return nil, "", nil, nil, err } } if !cmdutil.GetDryRunFlag(cmd) { resourceMapper := &resource.Mapper{ ObjectTyper: typer, RESTMapper: mapper, ClientMapper: resource.ClientMapperFunc(f.ClientForMapping), Decoder: f.Decoder(true), } info, err := resourceMapper.InfoForObject(obj, nil) if err != nil { return nil, "", nil, nil, err } if err := kubectl.CreateOrUpdateAnnotation(cmdutil.GetFlagBool(cmd, cmdutil.ApplyAnnotationsFlag), info, f.JSONEncoder()); err != nil { return nil, "", nil, nil, err } obj, err = resource.NewHelper(client, mapping).Create(namespace, false, info.Object) if err != nil { return nil, "", nil, nil, err } } return obj, groupVersionKind.Kind, mapper, mapping, err }
func RunLabel(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *LabelOptions) 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) } } if len(resources) < 1 && len(options.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 } lbls, remove, err := parseLabels(labelArgs) if err != nil { return cmdutil.UsageError(cmd, err.Error()) } mapper, typer := f.Object() b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, options.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 } var outputObj runtime.Object dataChangeMsg := "not labeled" if cmdutil.GetFlagBool(cmd, "dry-run") { err = labelFunc(info.Object, overwrite, resourceVersion, lbls, remove) if err != nil { return err } outputObj = info.Object } else { obj, err := info.Mapping.ConvertToVersion(info.Object, info.Mapping.GroupVersionKind.GroupVersion().String()) if err != nil { return err } name, namespace := info.Name, info.Namespace oldData, err := json.Marshal(obj) if err != nil { return err } meta, err := api.ObjectMetaFor(obj) for _, label := range remove { if _, ok := meta.Labels[label]; !ok { fmt.Fprintf(out, "label %q not found.\n", label) } } if err := labelFunc(obj, overwrite, resourceVersion, lbls, remove); err != nil { return err } if cmdutil.ShouldRecord(cmd, info) { if err := cmdutil.RecordChangeCause(obj, f.Command()); err != nil { return err } } newData, err := json.Marshal(obj) if err != nil { return err } if !reflect.DeepEqual(oldData, newData) { dataChangeMsg = "labeled" } patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj) createdPatch := err == nil if err != nil { glog.V(2).Infof("couldn't compute patch: %v", err) } mapping := info.ResourceMapping() client, err := f.ClientForMapping(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) if createdPatch { outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes) } else { outputObj, err = helper.Replace(namespace, name, false, obj) } if err != nil { return err } } outputFormat := cmdutil.GetFlagString(cmd, "output") if outputFormat != "" { return f.PrintObject(cmd, outputObj, out) } cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, dataChangeMsg) return nil }) }
// RunAnnotate does the work func (o AnnotateOptions) RunAnnotate(f cmdutil.Factory, cmd *cobra.Command) error { namespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } changeCause := f.Command() mapper, typer := f.Object() b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(namespace).DefaultNamespace(). FilenameParam(enforceNamespace, &o.FilenameOptions). Flatten() if !o.local { b = b.SelectorParam(o.selector). ResourceTypeOrNameArgs(o.all, o.resources...). Latest() } r := b.Do() if err := r.Err(); err != nil { return err } var singularResource bool r.IntoSingular(&singularResource) // only apply resource version locking on a single resource. // we must perform this check after o.builder.Do() as // []o.resources can not not accurately return the proper number // of resources when they are not passed in "resource/name" format. if !singularResource && len(o.resourceVersion) > 0 { return fmt.Errorf("--resource-version may only be used with a single resource") } return r.Visit(func(info *resource.Info, err error) error { if err != nil { return err } var outputObj runtime.Object obj, err := cmdutil.MaybeConvertObject(info.Object, info.Mapping.GroupVersionKind.GroupVersion(), info.Mapping) if err != nil { return err } if o.dryrun || o.local { if err := o.updateAnnotations(obj); err != nil { return err } outputObj = obj } else { name, namespace := info.Name, info.Namespace oldData, err := json.Marshal(obj) if err != nil { return err } // If we should record change-cause, add it to new annotations if cmdutil.ContainsChangeCause(info) || o.recordChangeCause { o.newAnnotations[kubectl.ChangeCauseAnnotation] = changeCause } if err := o.updateAnnotations(obj); err != nil { return err } newData, err := json.Marshal(obj) if err != nil { return err } patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj) createdPatch := err == nil if err != nil { glog.V(2).Infof("couldn't compute patch: %v", err) } mapping := info.ResourceMapping() client, err := f.ClientForMapping(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) if createdPatch { outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes) } else { outputObj, err = helper.Replace(namespace, name, false, obj) } if err != nil { return err } } if o.outputFormat != "" { return f.PrintObject(cmd, mapper, outputObj, o.out) } cmdutil.PrintSuccess(mapper, false, o.out, info.Mapping.Resource, info.Name, o.dryrun, "annotated") return nil }) }
// RunScale executes the scaling func RunScale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool, options *resource.FilenameOptions) error { if len(os.Args) > 1 && os.Args[1] == "resize" { printDeprecationWarning("scale", "resize") } cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } mapper, typer := f.Object() r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, options). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() err = r.Err() if resource.IsUsageError(err) { return cmdutil.UsageError(cmd, err.Error()) } if err != nil { return err } count := cmdutil.GetFlagInt(cmd, "replicas") if count < 0 { return cmdutil.UsageError(cmd, "The --replicas=COUNT flag is required, and COUNT must be greater than or equal to 0") } infos := []*resource.Info{} err = r.Visit(func(info *resource.Info, err error) error { if err == nil { infos = append(infos, info) } return nil }) resourceVersion := cmdutil.GetFlagString(cmd, "resource-version") if len(resourceVersion) != 0 && len(infos) > 1 { return fmt.Errorf("cannot use --resource-version with multiple resources") } counter := 0 err = r.Visit(func(info *resource.Info, err error) error { if err != nil { return err } mapping := info.ResourceMapping() scaler, err := f.Scaler(mapping) if err != nil { return err } currentSize := cmdutil.GetFlagInt(cmd, "current-replicas") precondition := &kubectl.ScalePrecondition{Size: currentSize, ResourceVersion: resourceVersion} retry := kubectl.NewRetryParams(kubectl.Interval, kubectl.Timeout) var waitForReplicas *kubectl.RetryParams if timeout := cmdutil.GetFlagDuration(cmd, "timeout"); timeout != 0 { waitForReplicas = kubectl.NewRetryParams(kubectl.Interval, timeout) } if err := scaler.Scale(info.Namespace, info.Name, uint(count), precondition, retry, waitForReplicas); err != nil { return err } if cmdutil.ShouldRecord(cmd, info) { patchBytes, err := cmdutil.ChangeResourcePatch(info, f.Command()) if err != nil { return err } mapping := info.ResourceMapping() client, err := f.ClientForMapping(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) _, err = helper.Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patchBytes) if err != nil { return err } } counter++ cmdutil.PrintSuccess(mapper, shortOutput, out, info.Mapping.Resource, info.Name, false, "scaled") return nil }) if err != nil { return err } if counter == 0 { return fmt.Errorf("no objects passed to scale") } return nil }
func RunPatch(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, shortOutput bool, options *PatchOptions) error { 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(cmdutil.GetIncludeThirdPartyAPIs(cmd)) r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, options.Recursive, options.Filenames...). ResourceTypeOrNameArgs(false, args...). Flatten(). Do() err = r.Err() if err != nil { return err } 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 } helper := resource.NewHelper(client, mapping) patchedObject, err := helper.Patch(namespace, name, patchType, patchBytes) if err != nil { return err } if cmdutil.ShouldRecord(cmd, info) { if err := cmdutil.RecordChangeCause(patchedObject, f.Command()); err == nil { // 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 resource.NewHelper(client, mapping).Replace(namespace, name, false, patchedObject) } } count++ cmdutil.PrintSuccess(mapper, shortOutput, out, "", name, "patched") return nil }) if err != nil { return err } if count == 0 { return fmt.Errorf("no objects passed to patch") } return nil }
// RunLabel does the work func (o *LabelOptions) RunLabel(f cmdutil.Factory, cmd *cobra.Command) error { cmdNamespace, enforceNamespace, err := f.DefaultNamespace() if err != nil { return err } changeCause := f.Command() mapper, typer := f.Object() b := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)). ContinueOnError(). NamespaceParam(cmdNamespace).DefaultNamespace(). FilenameParam(enforceNamespace, &o.FilenameOptions). Flatten() if !o.local { b = b.SelectorParam(o.selector). ResourceTypeOrNameArgs(o.all, o.resources...). Latest() } one := false r := b.Do().IntoSingular(&one) if err := r.Err(); err != nil { return err } smPatchVersion := strategicpatch.SMPatchVersionLatest if !o.local { smPatchVersion, err = cmdutil.GetServerSupportedSMPatchVersionFromFactory(f) if err != nil { return err } } // only apply resource version locking on a single resource if !one && len(o.resourceVersion) > 0 { return fmt.Errorf("--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 } var outputObj runtime.Object dataChangeMsg := "not labeled" if o.dryrun || o.local { err = labelFunc(info.Object, o.overwrite, o.resourceVersion, o.newLabels, o.removeLabels) if err != nil { return err } outputObj = info.Object } else { obj, err := cmdutil.MaybeConvertObject(info.Object, info.Mapping.GroupVersionKind.GroupVersion(), info.Mapping) if err != nil { return err } name, namespace := info.Name, info.Namespace oldData, err := json.Marshal(obj) if err != nil { return err } accessor, err := meta.Accessor(obj) if err != nil { return err } for _, label := range o.removeLabels { if _, ok := accessor.GetLabels()[label]; !ok { fmt.Fprintf(o.out, "label %q not found.\n", label) } } if err := labelFunc(obj, o.overwrite, o.resourceVersion, o.newLabels, o.removeLabels); err != nil { return err } if cmdutil.ShouldRecord(cmd, info) { if err := cmdutil.RecordChangeCause(obj, changeCause); err != nil { return err } } newData, err := json.Marshal(obj) if err != nil { return err } if !reflect.DeepEqual(oldData, newData) { dataChangeMsg = "labeled" } patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj, smPatchVersion) createdPatch := err == nil if err != nil { glog.V(2).Infof("couldn't compute patch: %v", err) } mapping := info.ResourceMapping() client, err := f.ClientForMapping(mapping) if err != nil { return err } helper := resource.NewHelper(client, mapping) if createdPatch { outputObj, err = helper.Patch(namespace, name, api.StrategicMergePatchType, patchBytes) } else { outputObj, err = helper.Replace(namespace, name, false, obj) } if err != nil { return err } } if o.outputFormat != "" { return f.PrintObject(cmd, mapper, outputObj, o.out) } cmdutil.PrintSuccess(mapper, false, o.out, info.Mapping.Resource, info.Name, o.dryrun, dataChangeMsg) return nil }) }