Golang Factory.ClientSet方法代碼示例

// Complete fills CreateBasicAuthSecretOptions fields with data and checks for mutual exclusivity
// between flags from different option groups.
func (o *CreateBasicAuthSecretOptions) Complete(f kcmdutil.Factory, args []string) error {
	if len(args) != 1 {
		return errors.New("must have exactly one argument: secret name")
	}
	o.SecretName = args[0]

	if o.PromptForPassword {
		if len(o.Password) != 0 {
			return errors.New("must provide either --prompt or --password flag")
		}
		if !kterm.IsTerminal(o.Reader) {
			return errors.New("provided reader is not a terminal")
		}

		o.Password = term.PromptForPasswordString(o.Reader, o.Out, "Password: ")
		if len(o.Password) == 0 {
			return errors.New("password must be provided")
		}
	}

	if f != nil {
		client, err := f.ClientSet()
		if err != nil {
			return err
		}
		namespace, _, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		o.SecretsInterface = client.Core().Secrets(namespace)
	}

	return nil
}

func execute(f cmdutil.Factory, cmd *cobra.Command, options *ExecOptions) error {
	if len(options.Namespace) == 0 {
		namespace, _, err := f.DefaultNamespace()
		if err != nil {
			return err
		}
		options.Namespace = namespace
	}

	container := cmdutil.GetFlagString(cmd, "container")
	if len(container) > 0 {
		options.ContainerName = container
	}

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

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

	if err := options.Validate(); err != nil {
		return err
	}

	if err := options.Run(); err != nil {
		return err
	}
	return nil
}

// createSecret extracts the kubeconfig for a given cluster and populates
// a secret with that kubeconfig.
func createSecret(hostFactory cmdutil.Factory, clientConfig *clientcmdapi.Config, namespace, contextName, secretName string, dryRun bool) (runtime.Object, error) {
	// Minify the kubeconfig to ensure that there is only information
	// relevant to the cluster we are registering.
	newClientConfig, err := minifyConfig(clientConfig, contextName)
	if err != nil {
		glog.V(2).Infof("Failed to minify the kubeconfig for the given context %q: %v", contextName, err)
		return nil, err
	}

	// Flatten the kubeconfig to ensure that all the referenced file
	// contents are inlined.
	err = clientcmdapi.FlattenConfig(newClientConfig)
	if err != nil {
		glog.V(2).Infof("Failed to flatten the kubeconfig for the given context %q: %v", contextName, err)
		return nil, err
	}

	// Boilerplate to create the secret in the host cluster.
	clientset, err := hostFactory.ClientSet()
	if err != nil {
		glog.V(2).Infof("Failed to serialize the kubeconfig for the given context %q: %v", contextName, err)
		return nil, err
	}

	return util.CreateKubeconfigSecret(clientset, newClientConfig, namespace, secretName, dryRun)
}

func RunVersion(f cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
	v := fmt.Sprintf("%#v", version.Get())
	if cmdutil.GetFlagBool(cmd, "short") {
		v = version.Get().GitVersion
	}

	fmt.Fprintf(out, "Client Version: %s\n", v)
	if cmdutil.GetFlagBool(cmd, "client") {
		return nil
	}

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

	serverVersion, err := clientset.Discovery().ServerVersion()
	if err != nil {
		return err
	}

	v = fmt.Sprintf("%#v", *serverVersion)
	if cmdutil.GetFlagBool(cmd, "short") {
		v = serverVersion.GitVersion
	}

	fmt.Fprintf(out, "Server Version: %s\n", v)
	return nil
}

// deleteSecret deletes the secret with the given name from the host
// cluster.
func deleteSecret(hostFactory cmdutil.Factory, name, namespace string) error {
	clientset, err := hostFactory.ClientSet()
	if err != nil {
		return err
	}
	return clientset.Core().Secrets(namespace).Delete(name, &api.DeleteOptions{})
}

// Complete verifies command line arguments and loads data from the command environment
func (p *AttachOptions) Complete(f *cmdutil.Factory, cmd *cobra.Command, argsIn []string) error {
	if len(argsIn) == 0 {
		return cmdutil.UsageError(cmd, "POD is required for attach")
	}
	if len(argsIn) > 1 {
		return cmdutil.UsageError(cmd, fmt.Sprintf("expected a single argument: POD, saw %d: %s", len(argsIn), argsIn))
	}
	p.PodName = argsIn[0]

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

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

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

	if p.CommandName == "" {
		p.CommandName = cmd.CommandPath()
	}

	return nil
}

func handleAttachPod(f *cmdutil.Factory, c *client.Client, ns, name string, opts *AttachOptions, quiet bool) error {
	pod, err := waitForPodRunning(c, ns, name, opts.Out, quiet)
	if err != nil {
		return err
	}
	ctrName, err := opts.GetContainerName(pod)
	if err != nil {
		return err
	}
	if pod.Status.Phase == api.PodSucceeded || pod.Status.Phase == api.PodFailed {
		req, err := f.LogsForObject(pod, &api.PodLogOptions{Container: ctrName})
		if err != nil {
			return err
		}
		readCloser, err := req.Stream()
		if err != nil {
			return err
		}
		defer readCloser.Close()
		_, err = io.Copy(opts.Out, readCloser)
		return err
	}

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

	opts.PodName = name
	opts.Namespace = ns
	// TODO: opts.Run sets opts.Err to nil, we need to find a better way
	stderr := opts.Err
	if err := opts.Run(); err != nil {
		fmt.Fprintf(stderr, "Error attaching, falling back to logs: %v\n", err)
		req, err := f.LogsForObject(pod, &api.PodLogOptions{Container: ctrName})
		if err != nil {
			return err
		}
		readCloser, err := req.Stream()
		if err != nil {
			return err
		}
		defer readCloser.Close()
		_, err = io.Copy(opts.Out, readCloser)
		return err
	}
	return nil
}

// Complete verifies command line arguments and loads data from the command environment
func (p *ExecOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, argsIn []string, argsLenAtDash int) error {
	// Let kubectl exec follow rules for `--`, see #13004 issue
	if len(p.PodName) == 0 && (len(argsIn) == 0 || argsLenAtDash == 0) {
		return cmdutil.UsageError(cmd, execUsageStr)
	}
	if len(p.PodName) != 0 {
		printDeprecationWarning("exec POD_NAME", "-p POD_NAME")
		if len(argsIn) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
		p.Command = argsIn
	} else {
		p.PodName = argsIn[0]
		p.Command = argsIn[1:]
		if len(p.Command) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
	}

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

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

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

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

	return nil
}

func (o *TopNodeOptions) Complete(f *cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
	var err error
	if len(args) == 1 {
		o.ResourceName = args[0]
	} else if len(args) > 1 {
		return cmdutil.UsageError(cmd, cmd.Use)
	}

	clientset, err := f.ClientSet()
	if err != nil {
		return err
	}
	o.NodeClient = clientset.Core()
	o.Client = metricsutil.DefaultHeapsterMetricsClient(clientset.Core())
	o.Printer = metricsutil.NewTopCmdPrinter(out)
	return nil
}

func RunVersion(f cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
	kubectl.GetClientVersion(out)
	if cmdutil.GetFlagBool(cmd, "client") {
		return nil
	}

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

	serverVersion, err := clientset.Discovery().ServerVersion()
	if err != nil {
		return err
	}

	fmt.Fprintf(out, "Server Version: %#v\n", *serverVersion)
	return nil
}

// Complete verifies command line arguments and loads data from the command environment
func (p *ExecOptions) Complete(f *cmdutil.Factory, cmd *cobra.Command, argsIn []string, argsLenAtDash int) error {
	if len(p.FullCmdName) == 0 {
		p.FullCmdName = "kubectl"
	}

	// Let kubectl exec follow rules for `--`, see #13004 issue
	if len(p.PodName) == 0 && (len(argsIn) == 0 || argsLenAtDash == 0) {
		return cmdutil.UsageError(cmd, execUsageStr)
	}
	if len(p.PodName) != 0 {
		printDeprecationWarning("exec POD_NAME", "-p POD_NAME")
		if len(argsIn) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
		p.Command = argsIn
	} else {
		p.PodName = argsIn[0]
		p.Command = argsIn[1:]
		if len(p.Command) < 1 {
			return cmdutil.UsageError(cmd, execUsageStr)
		}
	}

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

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

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

	return nil
}

func RunApiVersions(f cmdutil.Factory, w io.Writer) error {
	if len(os.Args) > 1 && os.Args[1] == "apiversions" {
		printDeprecationWarning("api-versions", "apiversions")
	}

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

	groupList, err := clientset.Discovery().ServerGroups()
	if err != nil {
		return fmt.Errorf("Couldn't get available api versions from server: %v\n", err)
	}
	apiVersions := unversioned.ExtractGroupVersions(groupList)
	sort.Strings(apiVersions)
	for _, v := range apiVersions {
		fmt.Fprintln(w, v)
	}
	return nil
}

func (o *TopPodOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
	var err error
	if len(args) == 1 {
		o.ResourceName = args[0]
	} else if len(args) > 1 {
		return cmdutil.UsageError(cmd, cmd.Use)
	}

	o.Namespace, _, err = f.DefaultNamespace()
	if err != nil {
		return err
	}
	clientset, err := f.ClientSet()
	if err != nil {
		return err
	}
	o.PodClient = clientset.Core()
	o.Client = metricsutil.NewHeapsterMetricsClient(clientset.Core(), o.HeapsterOptions.Namespace, o.HeapsterOptions.Scheme, o.HeapsterOptions.Service, o.HeapsterOptions.Port)
	o.Printer = metricsutil.NewTopCmdPrinter(out)
	return nil
}

// Complete completes all the required options for port-forward cmd.
func (o *PortForwardOptions) Complete(f cmdutil.Factory, cmd *cobra.Command, args []string, cmdOut io.Writer, cmdErr io.Writer) error {
	var err error
	o.PodName = cmdutil.GetFlagString(cmd, "pod")
	if len(o.PodName) == 0 && len(args) == 0 {
		return cmdutil.UsageError(cmd, "POD is required for port-forward")
	}

	if len(o.PodName) != 0 {
		printDeprecationWarning("port-forward POD", "-p POD")
		o.Ports = args
	} else {
		o.PodName = args[0]
		o.Ports = args[1:]
	}

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

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

	o.Config, err = f.ClientConfig()
	if err != nil {
		return err
	}
	o.RESTClient, err = f.RESTClient()
	if err != nil {
		return err
	}

	o.StopChannel = make(chan struct{}, 1)
	o.ReadyChannel = make(chan struct{})
	return nil
}

func (options *CertificateOptions) modifyCertificateCondition(f cmdutil.Factory, out io.Writer, modify func(csr *certificates.CertificateSigningRequest) (*certificates.CertificateSigningRequest, string)) error {
	var found int
	mapper, typer := f.Object()
	c, err := f.ClientSet()
	if err != nil {
		return err
	}
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		FilenameParam(false, &options.FilenameOptions).
		ResourceNames("certificatesigningrequest", options.csrNames...).
		RequireObject(true).
		Flatten().
		Latest().
		Do()
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		csr := info.Object.(*certificates.CertificateSigningRequest)
		csr, verb := modify(csr)
		csr, err = c.Certificates().
			CertificateSigningRequests().
			UpdateApproval(csr)
		if err != nil {
			return err
		}
		found++
		cmdutil.PrintSuccess(mapper, options.outputStyle == "name", out, info.Mapping.Resource, info.Name, false, verb)
		return nil
	})
	if found == 0 {
		fmt.Fprintf(out, "No resources found\n")
	}
	return err
}