Golang api.BuildSliceByCreationTimestamp函数代码示例

func printBuildList(buildList *buildapi.BuildList, w io.Writer, withNamespace, wide bool, columnLabels []string) error {
	builds := buildList.Items
	sort.Sort(buildapi.BuildSliceByCreationTimestamp(builds))
	for _, build := range builds {
		if err := printBuild(&build, w, withNamespace, wide, columnLabels); err != nil {
			return err
		}
	}
	return nil
}

func printBuildList(buildList *buildapi.BuildList, w io.Writer, opts kctl.PrintOptions) error {
	builds := buildList.Items
	sort.Sort(buildapi.BuildSliceByCreationTimestamp(builds))
	for _, build := range builds {
		if err := printBuild(&build, w, opts); err != nil {
			return err
		}
	}
	return nil
}

func (o *OpenShiftLogsOptions) RunLog() error {
	resourceType := "pod"
	resourceName := o.ResourceString
	tokens := strings.SplitN(o.ResourceString, "/", 2)
	if len(tokens) == 2 {
		resourceType = tokens[0]
		resourceName = tokens[1]
	}
	resourceType = strings.ToLower(resourceType)

	// if we're requesting a pod, delegate directly to kubectl logs
	if (resourceType == "pods") || (resourceType == "pod") || (resourceType == "po") {
		o.KubeLogOptions.PodName = resourceName
		return o.KubeLogOptions.RunLog()
	}

	if len(o.KubeLogOptions.ContainerName) > 0 {
		return errors.New("container cannot be specified with anything besides a pod")
	}

	// TODO: Use osutil.ResolveResource to resolve resource types
	switch resourceType {
	case "bc", "buildconfig", "buildconfigs":
		buildsForBCSelector := labels.SelectorFromSet(map[string]string{buildapi.BuildConfigLabel: resourceName})
		builds, err := o.OriginClient.Builds(o.Namespace).List(buildsForBCSelector, fields.Everything())
		if err != nil {
			return err
		}
		if len(builds.Items) == 0 {
			return fmt.Errorf("no builds found for %v", o.ResourceString)
		}

		sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))

		return o.runLogsForBuild(&builds.Items[0])

	case "build", "builds":
		build, err := o.OriginClient.Builds(o.Namespace).Get(resourceName)
		if err != nil {
			return err
		}
		return o.runLogsForBuild(build)

	case "dc", "deploymentconfig", "deploymentconfigs":
		dc, err := o.OriginClient.DeploymentConfigs(o.Namespace).Get(resourceName)
		if err != nil {
			return err
		}
		return o.runLogsForDeployment(dc)

	default:
		return fmt.Errorf("cannot display logs for resource type %v", resourceType)
	}
}

func (o *OpenShiftLogsOptions) RunLog() error {
	kLogsOptions := &kcmd.LogsOptions{
		Client: o.KubeClient,

		PodNamespace:  o.Namespace,
		ContainerName: o.ContainerName,
		Follow:        o.Follow,
		Interactive:   o.Interactive,
		Previous:      o.Previous,
		Out:           o.Out,
	}

	resourceType := "pod"
	resourceName := o.ResourceString
	tokens := strings.SplitN(o.ResourceString, "/", 2)
	if len(tokens) == 2 {
		resourceType = tokens[0]
		resourceName = tokens[1]
	}
	resourceType = strings.ToLower(resourceType)

	// if we're requesting a pod, delegate directly to kubectl logs
	if (resourceType == "pods") || (resourceType == "pod") || len(o.ContainerName) > 0 {
		kLogsOptions.PodName = resourceName
		return kLogsOptions.RunLog()
	}

	switch resourceType {
	case "bc", "buildconfig", "buildconfigs":
		buildsForBCSelector := labels.SelectorFromSet(map[string]string{buildapi.BuildConfigLabel: resourceName})
		builds, err := o.OriginClient.Builds(o.Namespace).List(buildsForBCSelector, fields.Everything())
		if err != nil {
			return err
		}
		if len(builds.Items) == 0 {
			return fmt.Errorf("no builds found for %v", o.ResourceString)
		}

		sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))

		return o.runLogsForBuild(&builds.Items[0])

	case "build", "builds":
		build, err := o.OriginClient.Builds(o.Namespace).Get(resourceName)
		if err != nil {
			return err
		}
		return o.runLogsForBuild(build)

	default:
		return fmt.Errorf("cannot display logs for resource type %v", resourceType)
	}
}

// Describe returns the description of a buildConfig
func (d *BuildConfigDescriber) Describe(namespace, name string, settings kctl.DescriberSettings) (string, error) {
	c := d.BuildConfigs(namespace)
	buildConfig, err := c.Get(name)
	if err != nil {
		return "", err
	}
	buildList, err := d.Builds(namespace).List(kapi.ListOptions{})
	if err != nil {
		return "", err
	}
	buildList.Items = buildapi.FilterBuilds(buildList.Items, buildapi.ByBuildConfigPredicate(name))

	return tabbedString(func(out *tabwriter.Writer) error {
		formatMeta(out, buildConfig.ObjectMeta)
		if buildConfig.Status.LastVersion == 0 {
			formatString(out, "Latest Version", "Never built")
		} else {
			formatString(out, "Latest Version", strconv.FormatInt(buildConfig.Status.LastVersion, 10))
		}
		describeCommonSpec(buildConfig.Spec.CommonSpec, out)
		formatString(out, "\nBuild Run Policy", string(buildConfig.Spec.RunPolicy))
		d.DescribeTriggers(buildConfig, out)
		if len(buildList.Items) == 0 {
			return nil
		}
		fmt.Fprintf(out, "\nBuild\tStatus\tDuration\tCreation Time\n")

		builds := buildList.Items
		sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds)))

		for i, build := range builds {
			fmt.Fprintf(out, "%s \t%s \t%v \t%v\n",
				build.Name,
				strings.ToLower(string(build.Status.Phase)),
				describeBuildDuration(&build),
				build.CreationTimestamp.Rfc3339Copy().Time)
			// only print the 10 most recent builds.
			if i == 9 {
				break
			}
		}
		return nil
	})
}

// Describe returns the description of a buildConfig
func (d *BuildConfigDescriber) Describe(namespace, name string) (string, error) {
	c := d.BuildConfigs(namespace)
	buildConfig, err := c.Get(name)
	if err != nil {
		return "", err
	}
	buildList, err := d.Builds(namespace).List(labels.SelectorFromSet(labels.Set{buildapi.BuildConfigLabel: name}), fields.Everything())
	if err != nil {
		return "", err
	}

	return tabbedString(func(out *tabwriter.Writer) error {
		formatMeta(out, buildConfig.ObjectMeta)
		if buildConfig.Status.LastVersion == 0 {
			formatString(out, "Latest Version", "Never built")
		} else {
			formatString(out, "Latest Version", strconv.Itoa(buildConfig.Status.LastVersion))
		}
		describeBuildSpec(buildConfig.Spec.BuildSpec, out)
		d.DescribeTriggers(buildConfig, out)
		if len(buildList.Items) == 0 {
			return nil
		}
		fmt.Fprintf(out, "Builds:\n  Name\tStatus\tDuration\tCreation Time\n")

		builds := buildList.Items
		sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds)))

		for i, build := range builds {
			fmt.Fprintf(out, "  %s \t%s \t%v \t%v\n",
				build.Name,
				strings.ToLower(string(build.Status.Phase)),
				describeBuildDuration(&build),
				build.CreationTimestamp.Rfc3339Copy().Time)
			// only print the 10 most recent builds.
			if i == 9 {
				break
			}
		}
		return nil
	})
}

//.........这里部分代码省略.........
		case *deployapi.DeploymentConfig:
			dopts, ok := options.(*deployapi.DeploymentLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a DeploymentLogOptions")
			}
			return oc.DeploymentLogs(t.Namespace).Get(t.Name, *dopts), nil
		case *buildapi.Build:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			if bopts.Version != nil {
				return nil, errors.New("cannot specify a version and a build")
			}
			return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
		case *buildapi.BuildConfig:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			builds, err := oc.Builds(t.Namespace).List(api.ListOptions{})
			if err != nil {
				return nil, err
			}
			builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigLabelPredicate(t.Name))
			if len(builds.Items) == 0 {
				return nil, fmt.Errorf("no builds found for %q", t.Name)
			}
			if bopts.Version != nil {
				// If a version has been specified, try to get the logs from that build.
				desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
				return oc.BuildLogs(t.Namespace).Get(desired, *bopts), nil
			}
			sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
			return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
		default:
			return kLogsForObjectFunc(object, options)
		}
	}
	w.Printer = func(mapping *meta.RESTMapping, noHeaders, withNamespace, wide bool, showAll bool, showLabels, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
		return describe.NewHumanReadablePrinter(noHeaders, withNamespace, wide, showAll, showLabels, absoluteTimestamps, columnLabels), nil
	}
	kCanBeExposed := w.Factory.CanBeExposed
	w.CanBeExposed = func(kind unversioned.GroupKind) error {
		if kind == deployapi.Kind("DeploymentConfig") {
			return nil
		}
		return kCanBeExposed(kind)
	}
	kCanBeAutoscaled := w.Factory.CanBeAutoscaled
	w.CanBeAutoscaled = func(kind unversioned.GroupKind) error {
		if kind == deployapi.Kind("DeploymentConfig") {
			return nil
		}
		return kCanBeAutoscaled(kind)
	}
	kAttachablePodForObjectFunc := w.Factory.AttachablePodForObject
	w.AttachablePodForObject = func(object runtime.Object) (*api.Pod, error) {
		oc, kc, err := w.Clients()
		if err != nil {
			return nil, err
		}
		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			var err error
			var pods *api.PodList

//.........这里部分代码省略.........
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			if bopts.Version != nil {
				return nil, errors.New("cannot specify a version and a build")
			}
			oc, _, err := w.Clients()
			if err != nil {
				return nil, err
			}
			return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
		case *buildapi.BuildConfig:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			oc, _, err := w.Clients()
			if err != nil {
				return nil, err
			}
			builds, err := oc.Builds(t.Namespace).List(api.ListOptions{})
			if err != nil {
				return nil, err
			}
			builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigPredicate(t.Name))
			if len(builds.Items) == 0 {
				return nil, fmt.Errorf("no builds found for %q", t.Name)
			}
			if bopts.Version != nil {
				// If a version has been specified, try to get the logs from that build.
				desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
				return oc.BuildLogs(t.Namespace).Get(desired, *bopts), nil
			}
			sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
			return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
		default:
			return kLogsForObjectFunc(object, options)
		}
	}
	// Saves current resource name (or alias if any) in PrintOptions. Once saved, it will not be overwritten by the
	// kubernetes resource alias look-up, as it will notice a non-empty value in `options.Kind`
	w.Printer = func(mapping *meta.RESTMapping, options kubectl.PrintOptions) (kubectl.ResourcePrinter, error) {
		if mapping != nil {
			options.Kind = mapping.Resource
			if alias, ok := resourceShortFormFor(mapping.Resource); ok {
				options.Kind = alias
			}
		}
		return describe.NewHumanReadablePrinter(options), nil
	}
	// PrintResourceInfos receives a list of resource infos and prints versioned objects if a generic output format was specified
	// otherwise, it iterates through info objects, printing each resource with a unique printer for its mapping
	w.PrintResourceInfos = func(cmd *cobra.Command, infos []*resource.Info, out io.Writer) error {
		printer, generic, err := cmdutil.PrinterForCommand(cmd)
		if err != nil {
			return nil
		}
		if !generic {
			for _, info := range infos {
				mapping := info.ResourceMapping()
				printer, err := w.PrinterForMapping(cmd, mapping, false)
				if err != nil {
					return err
				}
				if err := printer.PrintObj(info.Object, out); err != nil {
					return nil

//.........这里部分代码省略.........
		}

		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			dopts, ok := options.(*deployapi.DeploymentLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a DeploymentLogOptions")
			}
			return oc.DeploymentLogs(t.Namespace).Get(t.Name, *dopts), nil
		case *buildapi.Build:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			if bopts.Version != nil {
				// should --version work with builds at all?
				return nil, errors.New("cannot specify a version and a build")
			}
			return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
		case *buildapi.BuildConfig:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			builds, err := oc.Builds(t.Namespace).List(labels.Everything(), fields.Everything())
			if err != nil {
				return nil, err
			}
			builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigLabelPredicate(t.Name))
			if len(builds.Items) == 0 {
				return nil, fmt.Errorf("no builds found for %s", t.Name)
			}
			if bopts.Version != nil {
				// If a version has been specified, try to get the logs from that build.
				desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
				return oc.BuildLogs(t.Namespace).Get(desired, *bopts), nil
			}
			sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
			return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
		default:
			return kLogsForObjectFunc(object, options)
		}
	}
	w.Printer = func(mapping *meta.RESTMapping, noHeaders, withNamespace, wide bool, showAll bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
		return describe.NewHumanReadablePrinter(noHeaders, withNamespace, wide, showAll, columnLabels), nil
	}
	kCanBeExposed := w.Factory.CanBeExposed
	w.CanBeExposed = func(kind string) error {
		if kind == "DeploymentConfig" {
			return nil
		}
		return kCanBeExposed(kind)
	}
	kAttachablePodForObjectFunc := w.Factory.AttachablePodForObject
	w.AttachablePodForObject = func(object runtime.Object) (*api.Pod, error) {
		oc, kc, err := w.Clients()
		if err != nil {
			return nil, err
		}
		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			var err error
			var pods *api.PodList
			for pods == nil || len(pods.Items) == 0 {
				if t.Status.LatestVersion == 0 {
					time.Sleep(2 * time.Second)
				}
				if t, err = oc.DeploymentConfigs(t.Namespace).Get(t.Name); err != nil {
					return nil, err
				}
				latestDeploymentName := deployutil.LatestDeploymentNameForConfig(t)
				deployment, err := kc.ReplicationControllers(t.Namespace).Get(latestDeploymentName)
				if err != nil {
					if kerrors.IsNotFound(err) {
						continue
					}
					return nil, err
				}
				pods, err = kc.Pods(deployment.Namespace).List(labels.SelectorFromSet(deployment.Spec.Selector), fields.Everything())
				if err != nil {
					return nil, err
				}
				if len(pods.Items) == 0 {
					time.Sleep(2 * time.Second)
				}
			}
			var oldestPod *api.Pod
			for _, pod := range pods.Items {
				if oldestPod == nil || pod.CreationTimestamp.Before(oldestPod.CreationTimestamp) {
					oldestPod = &pod
				}
			}
			return oldestPod, nil
		default:
			return kAttachablePodForObjectFunc(object)
		}
	}

	return w
}

//.........这里部分代码省略.........
		case *deployapi.DeploymentConfig:
			dopts, ok := options.(*deployapi.DeploymentLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a DeploymentLogOptions")
			}
			return oc.DeploymentLogs(t.Namespace).Get(t.Name, *dopts), nil
		case *buildapi.Build:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			if bopts.Version != nil {
				return nil, errors.New("cannot specify a version and a build")
			}
			return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
		case *buildapi.BuildConfig:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			builds, err := oc.Builds(t.Namespace).List(api.ListOptions{})
			if err != nil {
				return nil, err
			}
			builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigPredicate(t.Name))
			if len(builds.Items) == 0 {
				return nil, fmt.Errorf("no builds found for %q", t.Name)
			}
			if bopts.Version != nil {
				// If a version has been specified, try to get the logs from that build.
				desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
				return oc.BuildLogs(t.Namespace).Get(desired, *bopts), nil
			}
			sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
			return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
		default:
			return kLogsForObjectFunc(object, options)
		}
	}
	w.Printer = func(mapping *meta.RESTMapping, noHeaders, withNamespace, wide bool, showAll bool, showLabels, absoluteTimestamps bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
		return describe.NewHumanReadablePrinter(noHeaders, withNamespace, wide, showAll, showLabels, absoluteTimestamps, columnLabels), nil
	}
	kCanBeExposed := w.Factory.CanBeExposed
	w.CanBeExposed = func(kind unversioned.GroupKind) error {
		if kind == deployapi.Kind("DeploymentConfig") {
			return nil
		}
		return kCanBeExposed(kind)
	}
	kCanBeAutoscaled := w.Factory.CanBeAutoscaled
	w.CanBeAutoscaled = func(kind unversioned.GroupKind) error {
		if kind == deployapi.Kind("DeploymentConfig") {
			return nil
		}
		return kCanBeAutoscaled(kind)
	}
	kAttachablePodForObjectFunc := w.Factory.AttachablePodForObject
	w.AttachablePodForObject = func(object runtime.Object) (*api.Pod, error) {
		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			_, kc, err := w.Clients()
			if err != nil {
				return nil, err
			}
			selector := labels.SelectorFromSet(t.Spec.Selector)
			f := func(pods []*api.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) }

//.........这里部分代码省略.........
	w.Scaler = func(mapping *meta.RESTMapping) (kubectl.Scaler, error) {
		oc, kc, err := w.Clients()
		if err != nil {
			return nil, err
		}

		if mapping.Kind == "DeploymentConfig" {
			return deployscaler.NewDeploymentConfigScaler(oc, kc), nil
		}
		return kScalerFunc(mapping)
	}
	kReaperFunc := w.Factory.Reaper
	w.Reaper = func(mapping *meta.RESTMapping) (kubectl.Reaper, error) {
		oc, kc, err := w.Clients()
		if err != nil {
			return nil, err
		}

		if mapping.Kind == "DeploymentConfig" {
			return deployreaper.NewDeploymentConfigReaper(oc, kc), nil
		}
		return kReaperFunc(mapping)
	}
	kGeneratorFunc := w.Factory.Generator
	w.Generator = func(name string) (kubectl.Generator, bool) {
		if generator, ok := generators[name]; ok {
			return generator, true
		}
		return kGeneratorFunc(name)
	}
	kPodSelectorForObjectFunc := w.Factory.PodSelectorForObject
	w.PodSelectorForObject = func(object runtime.Object) (string, error) {
		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			return kubectl.MakeLabels(t.Template.ControllerTemplate.Selector), nil
		default:
			return kPodSelectorForObjectFunc(object)
		}
	}
	kPortsForObjectFunc := w.Factory.PortsForObject
	w.PortsForObject = func(object runtime.Object) ([]string, error) {
		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			return getPorts(t.Template.ControllerTemplate.Template.Spec), nil
		default:
			return kPortsForObjectFunc(object)
		}
	}
	kLogsForObjectFunc := w.Factory.LogsForObject
	w.LogsForObject = func(object, options runtime.Object) (*kclient.Request, error) {
		oc, _, err := w.Clients()
		if err != nil {
			return nil, err
		}

		switch t := object.(type) {
		case *deployapi.DeploymentConfig:
			dopts, ok := options.(*deployapi.DeploymentLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a DeploymentLogOptions")
			}
			return oc.DeploymentLogs(t.Namespace).Get(t.Name, *dopts), nil
		case *buildapi.Build:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			return oc.BuildLogs(t.Namespace).Get(t.Name, *bopts), nil
		case *buildapi.BuildConfig:
			bopts, ok := options.(*buildapi.BuildLogOptions)
			if !ok {
				return nil, errors.New("provided options object is not a BuildLogOptions")
			}
			buildsForBCSelector := labels.SelectorFromSet(map[string]string{buildapi.BuildConfigLabel: t.Name})
			builds, err := oc.Builds(t.Namespace).List(buildsForBCSelector, fields.Everything())
			if err != nil {
				return nil, err
			}
			if len(builds.Items) == 0 {
				return nil, fmt.Errorf("no builds found for %s", t.Name)
			}
			sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
			return oc.BuildLogs(t.Namespace).Get(builds.Items[0].Name, *bopts), nil
		default:
		}
		return kLogsForObjectFunc(object, options)
	}
	w.Printer = func(mapping *meta.RESTMapping, noHeaders, withNamespace, wide bool, showAll bool, columnLabels []string) (kubectl.ResourcePrinter, error) {
		return describe.NewHumanReadablePrinter(noHeaders, withNamespace, wide, showAll, columnLabels), nil
	}
	kCanBeExposed := w.Factory.CanBeExposed
	w.CanBeExposed = func(kind string) error {
		if kind == "DeploymentConfig" {
			return nil
		}
		return kCanBeExposed(kind)
	}

	return w
}