Golang util.ContainsChangeCause函数代码示例

// RunAnnotate does the work
func (o AnnotateOptions) RunAnnotate() error {
	r := o.builder.Do()
	if err := r.Err(); err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}

		name, namespace, obj := info.Name, info.Namespace, info.Object
		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] = o.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 := o.f.ClientForMapping(mapping)
		if err != nil {
			return err
		}
		helper := resource.NewHelper(client, mapping)

		var outputObj runtime.Object
		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(o.cmd, "output")
		if outputFormat != "" {
			return o.f.PrintObject(o.cmd, outputObj, o.out)
		}
		mapper, _ := o.f.Object()
		cmdutil.PrintSuccess(mapper, false, o.out, info.Mapping.Resource, info.Name, "annotated")
		return nil
	})
}

func (o *ResourcesOptions) Run() error {
	allErrs := []error{}
	patches := CalculatePatches(o.Infos, o.Encoder, func(info *resource.Info) (bool, error) {
		transformed := false
		_, err := o.UpdatePodSpecForObject(info.Object, func(spec *api.PodSpec) error {
			containers, _ := selectContainers(spec.Containers, o.ContainerSelector)
			if len(containers) != 0 {
				for i := range containers {
					containers[i].Resources = o.ResourceRequirements
					transformed = true
				}
			} else {
				allErrs = append(allErrs, fmt.Errorf("error: unable to find container named %s", o.ContainerSelector))
			}
			return nil
		})
		return transformed, err
	})

	for _, patch := range patches {
		info := patch.Info
		if patch.Err != nil {
			allErrs = append(allErrs, fmt.Errorf("error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err))
			continue
		}

		//no changes
		if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
			allErrs = append(allErrs, fmt.Errorf("info: %s %q was not changed\n", info.Mapping.Resource, info.Name))
			continue
		}

		if cmdutil.GetDryRunFlag(o.Cmd) {
			fmt.Fprintln(o.Err, "info: running in local mode...")
			return o.PrintObject(o.Cmd, o.Mapper, info.Object, o.Out)
		}

		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch.Patch)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("failed to patch limit update to pod template %v\n", err))
			continue
		}
		info.Refresh(obj, true)

		//record this change (for rollout history)
		if o.Record || cmdutil.ContainsChangeCause(info) {
			if err := cmdutil.RecordChangeCause(obj, o.ChangeCause); err == nil {
				if obj, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, obj); err != nil {
					allErrs = append(allErrs, fmt.Errorf("changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err))
				}
			}
		}
		info.Refresh(obj, true)
		cmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, false, "resource requirements updated")
	}
	return utilerrors.NewAggregate(allErrs)
}

// RunSelector executes the command.
func (o *SelectorOptions) RunSelector() error {
	if !o.local {
		o.builder = o.builder.ResourceTypeOrNameArgs(o.all, o.resources...).
			Latest()
	}
	r := o.builder.Do()
	err := r.Err()
	if err != nil {
		return err
	}

	return r.Visit(func(info *resource.Info, err error) error {
		patch := &Patch{Info: info}
		CalculatePatch(patch, o.encoder, func(info *resource.Info) ([]byte, error) {
			selectErr := updateSelectorForObject(info.Object, *o.selector)

			if selectErr == nil {
				return runtime.Encode(o.encoder, info.Object)
			}
			return nil, selectErr
		})

		if patch.Err != nil {
			return patch.Err
		}
		if o.local || o.dryrun {
			fmt.Fprintln(o.out, "running in local/dry-run mode...")
			o.PrintObject(info.Object)
			return nil
		}

		patched, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch.Patch)
		if err != nil {
			return err
		}

		if o.record || cmdutil.ContainsChangeCause(info) {
			if err := cmdutil.RecordChangeCause(patched, o.changeCause); err == nil {
				if patched, err = resource.NewHelper(info.Client, info.Mapping).Replace(info.Namespace, info.Name, false, patched); err != nil {
					return fmt.Errorf("changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err)
				}
			}
		}

		info.Refresh(patched, true)
		cmdutil.PrintSuccess(o.mapper, false, o.out, info.Mapping.Resource, info.Name, o.dryrun, "selector updated")
		return nil
	})
}

func (o *ImageOptions) Run() error {
	allErrs := []error{}

	patches := CalculatePatches(o.Infos, o.Encoder, func(info *resource.Info) (bool, error) {
		transformed := false
		_, err := o.UpdatePodSpecForObject(info.Object, func(spec *api.PodSpec) error {
			for name, image := range o.ContainerImages {
				containerFound := false
				// Find the container to update, and update its image
				for i, c := range spec.Containers {
					if c.Name == name || name == "*" {
						spec.Containers[i].Image = image
						containerFound = true
						// Perform updates
						transformed = true
					}
				}
				// Add a new container if not found
				if !containerFound {
					allErrs = append(allErrs, fmt.Errorf("error: unable to find container named %q", name))
				}
			}
			return nil
		})
		return transformed, err
	})

	for _, patch := range patches {
		info := patch.Info
		if patch.Err != nil {
			allErrs = append(allErrs, fmt.Errorf("error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err))
			continue
		}

		// no changes
		if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
			continue
		}

		if o.Local {
			fmt.Fprintln(o.Out, "running in local mode...")
			return o.PrintObject(o.Cmd, o.Mapper, info.Object, o.Out)
		}

		// patch the change
		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch.Patch)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("failed to patch image update to pod template: %v\n", err))
			continue
		}
		info.Refresh(obj, true)

		// record this change (for rollout history)
		if o.Record || cmdutil.ContainsChangeCause(info) {
			if patch, err := cmdutil.ChangeResourcePatch(info, o.ChangeCause); err == nil {
				if obj, err = resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, api.StrategicMergePatchType, patch); err != nil {
					fmt.Fprintf(o.Err, "WARNING: changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err)
				}
			}
		}

		info.Refresh(obj, true)
		cmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, false, "image updated")
	}
	return utilerrors.NewAggregate(allErrs)
}

func (o *ImageOptions) Run() error {
	allErrs := []error{}

	patches := CalculatePatches(o.Infos, o.Encoder, func(info *resource.Info) ([]byte, error) {
		transformed := false
		_, err := o.UpdatePodSpecForObject(info.Object, func(spec *api.PodSpec) error {
			for name, image := range o.ContainerImages {
				var (
					containerFound bool
					err            error
					resolved       string
				)
				// Find the container to update, and update its image
				for i, c := range spec.Containers {
					if c.Name == name || name == "*" {
						containerFound = true
						if len(resolved) == 0 {
							if resolved, err = o.ResolveImage(image); err != nil {
								allErrs = append(allErrs, fmt.Errorf("error: unable to resolve image %q for container %q: %v", image, name, err))
								// Do not loop again if the image resolving failed for wildcard case as we
								// will report the same error again for the next container.
								if name == "*" {
									break
								}
								continue
							}
						}
						spec.Containers[i].Image = resolved
						// Perform updates
						transformed = true
					}
				}
				// Add a new container if not found
				if !containerFound {
					allErrs = append(allErrs, fmt.Errorf("error: unable to find container named %q", name))
				}
			}
			return nil
		})
		if transformed && err == nil {
			return runtime.Encode(o.Encoder, info.Object)
		}
		return nil, err
	})

	for _, patch := range patches {
		info := patch.Info
		if patch.Err != nil {
			allErrs = append(allErrs, fmt.Errorf("error: %s/%s %v\n", info.Mapping.Resource, info.Name, patch.Err))
			continue
		}

		// no changes
		if string(patch.Patch) == "{}" || len(patch.Patch) == 0 {
			continue
		}

		if o.PrintObject != nil && (o.Local || o.DryRun) {
			return o.PrintObject(o.Cmd, o.Mapper, info.Object, o.Out)
		}

		// patch the change
		obj, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch.Patch)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("failed to patch image update to pod template: %v\n", err))
			continue
		}
		info.Refresh(obj, true)

		// record this change (for rollout history)
		if o.Record || cmdutil.ContainsChangeCause(info) {
			if patch, err := cmdutil.ChangeResourcePatch(info, o.ChangeCause); err == nil {
				if obj, err = resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch); err != nil {
					fmt.Fprintf(o.Err, "WARNING: changes to %s/%s can't be recorded: %v\n", info.Mapping.Resource, info.Name, err)
				}
			}
		}

		info.Refresh(obj, true)

		if len(o.Output) > 0 {
			return o.PrintObject(o.Cmd, o.Mapper, obj, o.Out)
		}
		cmdutil.PrintSuccess(o.Mapper, o.ShortOutput, o.Out, info.Mapping.Resource, info.Name, o.DryRun, "image updated")
	}
	return utilerrors.NewAggregate(allErrs)
}

// 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
	})
}

// RunAnnotate does the work
func (o AnnotateOptions) RunAnnotate() error {
	r := o.builder.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
		}

		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
		}
		// If we should record change-cause, add it to new annotations
		if cmdutil.ContainsChangeCause(info) || o.recordChangeCause {
			o.newAnnotations[kubectl.ChangeCauseAnnotation] = o.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 := o.f.ClientForMapping(mapping)
		if err != nil {
			return err
		}
		helper := resource.NewHelper(client, mapping)

		var outputObj runtime.Object
		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
		}

		mapper, _ := o.f.Object()
		outputFormat := cmdutil.GetFlagString(o.cmd, "output")
		if outputFormat != "" {
			return o.f.PrintObject(o.cmd, mapper, outputObj, o.out)
		}

		cmdutil.PrintSuccess(mapper, false, o.out, info.Mapping.Resource, info.Name, false, "annotated")
		return nil
	})
}