Golang clientcmd.NewDefaultPathOptions函数代码示例

func (test getContextsTest) run(t *testing.T) {
	fakeKubeFile, _ := ioutil.TempFile("", "")
	defer os.Remove(fakeKubeFile.Name())
	err := clientcmd.WriteToFile(test.startingConfig, fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	pathOptions := clientcmd.NewDefaultPathOptions()
	pathOptions.GlobalFile = fakeKubeFile.Name()
	pathOptions.EnvVar = ""
	buf := bytes.NewBuffer([]byte{})
	options := GetContextsOptions{
		configAccess: pathOptions,
	}
	cmd := NewCmdConfigGetContexts(buf, options.configAccess)
	if test.nameOnly {
		cmd.Flags().Set("output", "name")
	}
	if test.noHeader {
		cmd.Flags().Set("no-headers", "true")
	}
	cmd.Run(cmd, test.names)
	if len(test.expectedOut) != 0 {
		if buf.String() != test.expectedOut {
			t.Errorf("Expected %v, but got %v", test.expectedOut, buf.String())
		}
		return
	}

	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
}

func (test currentContextTest) run(t *testing.T) {
	fakeKubeFile, _ := ioutil.TempFile("", "")
	defer os.Remove(fakeKubeFile.Name())
	err := clientcmd.WriteToFile(test.startingConfig, fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	pathOptions := clientcmd.NewDefaultPathOptions()
	pathOptions.GlobalFile = fakeKubeFile.Name()
	pathOptions.EnvVar = ""
	options := CurrentContextOptions{
		ConfigAccess: pathOptions,
	}

	buf := bytes.NewBuffer([]byte{})
	err = RunCurrentContext(buf, []string{}, &options)
	if len(test.expectedError) != 0 {
		if err == nil {
			t.Errorf("Did not get %v", test.expectedError)
		} else {
			if !strings.Contains(err.Error(), test.expectedError) {
				t.Errorf("Expected %v, but got %v", test.expectedError, err)
			}
		}
		return
	}

	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
}

func createKubeconfig(d *schema.ResourceData, meta interface{}) error {
	configF := meta.(configFunc)
	cfg, err := configF(d)
	if err != nil {
		return fmt.Errorf("failed to initialize the cluster client: %v", err)
	}

	if len(cfg.kubeConfig.Clusters) != 1 || len(cfg.kubeConfig.AuthInfos) != 1 || len(cfg.kubeConfig.Contexts) != 1 {
		return fmt.Errorf("config must supplied for exactly one cluster - number of clusters: %d, number of users: %d, number of contexts: %d", len(cfg.kubeConfig.Clusters), len(cfg.kubeConfig.AuthInfos), len(cfg.kubeConfig.Contexts))
	}

	log.Printf("[DEBUG] checking for cluster components' health")
	if !poll(cfg.pollInterval, cfg.pollTimeout, allComponentsHealthy(cfg.clientset)) {
		return fmt.Errorf("cluster components never turned healthy")
	}

	po := clientcmd.NewDefaultPathOptions()
	if path, ok := d.GetOk("path"); ok {
		po.LoadingRules.ExplicitPath = path.(string)
	}

	// Retry until modifyConfig succeeds or times out.
	log.Printf("[DEBUG] updating kubeconfig")
	if !poll(cfg.configPollInterval, cfg.ConfigPollTimeout, updateConfig(po, cfg.kubeConfig)) {
		return fmt.Errorf("couldn't update kubeconfig")
	}

	// Store the ID now
	d.SetId(d.Get("server").(string))

	return nil
}

func NewFakeAdminConfig(f cmdutil.Factory, kubeconfigGlobal string) (util.AdminConfig, error) {
	pathOptions := clientcmd.NewDefaultPathOptions()
	pathOptions.GlobalFile = kubeconfigGlobal
	pathOptions.EnvVar = ""

	return &fakeAdminConfig{
		pathOptions: pathOptions,
		hostFactory: f,
	}, nil
}

// NewKubeFedCommand creates the `kubefed` command and its nested children.
func NewKubeFedCommand(f cmdutil.Factory, in io.Reader, out, err io.Writer) *cobra.Command {
	// Parent command to which all subcommands are added.
	cmds := &cobra.Command{
		Use:   "kubefed",
		Short: "kubefed controls a Kubernetes Cluster Federation",
		Long: templates.LongDesc(`
      kubefed controls a Kubernetes Cluster Federation.

      Find more information at https://github.com/kubernetes/kubernetes.`),
		Run: runHelp,
	}

	f.BindFlags(cmds.PersistentFlags())
	f.BindExternalFlags(cmds.PersistentFlags())

	// From this point and forward we get warnings on flags that contain "_" separators
	cmds.SetGlobalNormalizationFunc(flag.WarnWordSepNormalizeFunc)

	groups := templates.CommandGroups{
		{
			Message: "Basic Commands:",
			Commands: []*cobra.Command{
				kubefedinit.NewCmdInit(out, util.NewAdminConfig(clientcmd.NewDefaultPathOptions())),
				NewCmdJoin(f, out, util.NewAdminConfig(clientcmd.NewDefaultPathOptions())),
				NewCmdUnjoin(f, out, err, util.NewAdminConfig(clientcmd.NewDefaultPathOptions())),
			},
		},
	}
	groups.Add(cmds)

	filters := []string{
		"options",
	}
	templates.ActsAsRootCommand(cmds, filters, groups...)

	cmds.AddCommand(kubectl.NewCmdVersion(f, out))
	cmds.AddCommand(kubectl.NewCmdOptions(out))

	return cmds
}

func (test deleteContextTest) run(t *testing.T) {
	fakeKubeFile, _ := ioutil.TempFile("", "")
	defer os.Remove(fakeKubeFile.Name())
	err := clientcmd.WriteToFile(test.config, fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	pathOptions := clientcmd.NewDefaultPathOptions()
	pathOptions.GlobalFile = fakeKubeFile.Name()
	pathOptions.EnvVar = ""

	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdConfigDeleteContext(buf, pathOptions)
	cmd.SetArgs([]string{test.contextToDelete})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("unexpected error executing command: %v", err)
	}

	expectedOutWithFile := fmt.Sprintf(test.expectedOut, fakeKubeFile.Name())
	if expectedOutWithFile != buf.String() {
		t.Errorf("expected output %s, but got %s", expectedOutWithFile, buf.String())
		return
	}

	// Verify context was removed from kubeconfig file
	config, err := clientcmd.LoadFromFile(fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error loading kubeconfig file: %v", err)
	}

	contexts := make([]string, 0, len(config.Contexts))
	for k := range config.Contexts {
		contexts = append(contexts, k)
	}

	if !reflect.DeepEqual(test.expectedContexts, contexts) {
		t.Errorf("expected contexts %v, but found %v in kubeconfig", test.expectedContexts, contexts)
	}
}

func testConfigCommand(args []string, startingConfig clientcmdapi.Config, t *testing.T) (string, clientcmdapi.Config) {
	fakeKubeFile, _ := ioutil.TempFile("", "")
	defer os.Remove(fakeKubeFile.Name())
	err := clientcmd.WriteToFile(startingConfig, fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	argsToUse := make([]string, 0, 2+len(args))
	argsToUse = append(argsToUse, "--kubeconfig="+fakeKubeFile.Name())
	argsToUse = append(argsToUse, args...)

	buf := bytes.NewBuffer([]byte{})

	cmd := NewCmdConfig(clientcmd.NewDefaultPathOptions(), buf, buf)
	cmd.SetArgs(argsToUse)
	cmd.Execute()

	// outBytes, _ := ioutil.ReadFile(fakeKubeFile.Name())
	config := clientcmd.GetConfigFromFileOrDie(fakeKubeFile.Name())

	return buf.String(), *config
}

func (test getClustersTest) run(t *testing.T) {
	fakeKubeFile, _ := ioutil.TempFile("", "")
	defer os.Remove(fakeKubeFile.Name())
	err := clientcmd.WriteToFile(test.config, fakeKubeFile.Name())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	pathOptions := clientcmd.NewDefaultPathOptions()
	pathOptions.GlobalFile = fakeKubeFile.Name()
	pathOptions.EnvVar = ""
	buf := bytes.NewBuffer([]byte{})
	cmd := NewCmdConfigGetClusters(buf, pathOptions)
	if err := cmd.Execute(); err != nil {
		t.Fatalf("unexpected error executing command: %v", err)
	}
	if len(test.expected) != 0 {
		if buf.String() != test.expected {
			t.Errorf("expected %v, but got %v", test.expected, buf.String())
		}
		return
	}
}

// NewKubectlCommand creates the `kubectl` command and its nested children.
func NewKubectlCommand(f *cmdutil.Factory, in io.Reader, out, err io.Writer) *cobra.Command {
	// Parent command to which all subcommands are added.
	cmds := &cobra.Command{
		Use:   "kubectl",
		Short: "kubectl controls the Kubernetes cluster manager",
		Long: `kubectl controls the Kubernetes cluster manager.

Find more information at https://github.com/kubernetes/kubernetes.`,
		Run: runHelp,
		BashCompletionFunction: bash_completion_func,
	}

	f.BindFlags(cmds.PersistentFlags())
	f.BindExternalFlags(cmds.PersistentFlags())

	// From this point and forward we get warnings on flags that contain "_" separators
	cmds.SetGlobalNormalizationFunc(flag.WarnWordSepNormalizeFunc)

	cmds.AddCommand(NewCmdGet(f, out))
	cmds.AddCommand(NewCmdDescribe(f, out))
	cmds.AddCommand(NewCmdCreate(f, out))
	cmds.AddCommand(NewCmdReplace(f, out))
	cmds.AddCommand(NewCmdPatch(f, out))
	cmds.AddCommand(NewCmdDelete(f, out))
	cmds.AddCommand(NewCmdEdit(f, out, err))
	cmds.AddCommand(NewCmdApply(f, out))

	cmds.AddCommand(NewCmdNamespace(out))
	cmds.AddCommand(NewCmdLogs(f, out))
	cmds.AddCommand(NewCmdRollingUpdate(f, out))
	cmds.AddCommand(NewCmdScale(f, out))
	cmds.AddCommand(NewCmdCordon(f, out))
	cmds.AddCommand(NewCmdDrain(f, out))
	cmds.AddCommand(NewCmdUncordon(f, out))

	cmds.AddCommand(NewCmdAttach(f, in, out, err))
	cmds.AddCommand(NewCmdExec(f, in, out, err))
	cmds.AddCommand(NewCmdPortForward(f, out, err))
	cmds.AddCommand(NewCmdProxy(f, out))

	cmds.AddCommand(NewCmdRun(f, in, out, err))
	cmds.AddCommand(NewCmdStop(f, out))
	cmds.AddCommand(NewCmdExposeService(f, out))
	cmds.AddCommand(NewCmdAutoscale(f, out))
	cmds.AddCommand(rollout.NewCmdRollout(f, out))

	cmds.AddCommand(NewCmdLabel(f, out))
	cmds.AddCommand(NewCmdAnnotate(f, out))

	cmds.AddCommand(cmdconfig.NewCmdConfig(clientcmd.NewDefaultPathOptions(), out))
	cmds.AddCommand(NewCmdClusterInfo(f, out))
	cmds.AddCommand(NewCmdApiVersions(f, out))
	cmds.AddCommand(NewCmdVersion(f, out))
	cmds.AddCommand(NewCmdExplain(f, out))
	cmds.AddCommand(NewCmdConvert(f, out))

	if cmds.Flag("namespace").Annotations == nil {
		cmds.Flag("namespace").Annotations = map[string][]string{}
	}
	cmds.Flag("namespace").Annotations[cobra.BashCompCustom] = append(
		cmds.Flag("namespace").Annotations[cobra.BashCompCustom],
		"__kubectl_get_namespaces",
	)

	return cmds
}

//.........这里部分代码省略.........
	f.BindExternalFlags(cmds.PersistentFlags())

	// From this point and forward we get warnings on flags that contain "_" separators
	cmds.SetGlobalNormalizationFunc(flag.WarnWordSepNormalizeFunc)

	groups := templates.CommandGroups{
		{
			Message: "Basic Commands (Beginner):",
			Commands: []*cobra.Command{
				NewCmdCreate(f, out, err),
				NewCmdExposeService(f, out),
				NewCmdRun(f, in, out, err),
				set.NewCmdSet(f, out, err),
			},
		},
		{
			Message: "Basic Commands (Intermediate):",
			Commands: []*cobra.Command{
				NewCmdGet(f, out, err),
				NewCmdExplain(f, out, err),
				NewCmdEdit(f, out, err),
				NewCmdDelete(f, out),
			},
		},
		{
			Message: "Deploy Commands:",
			Commands: []*cobra.Command{
				rollout.NewCmdRollout(f, out, err),
				NewCmdRollingUpdate(f, out),
				NewCmdScale(f, out),
				NewCmdAutoscale(f, out),
			},
		},
		{
			Message: "Cluster Management Commands:",
			Commands: []*cobra.Command{
				NewCmdCertificate(f, out),
				NewCmdClusterInfo(f, out),
				NewCmdTop(f, out, err),
				NewCmdCordon(f, out),
				NewCmdUncordon(f, out),
				NewCmdDrain(f, out, err),
				NewCmdTaint(f, out),
			},
		},
		{
			Message: "Troubleshooting and Debugging Commands:",
			Commands: []*cobra.Command{
				NewCmdDescribe(f, out, err),
				NewCmdLogs(f, out),
				NewCmdAttach(f, in, out, err),
				NewCmdExec(f, in, out, err),
				NewCmdPortForward(f, out, err),
				NewCmdProxy(f, out),
				NewCmdCp(f, in, out, err),
			},
		},
		{
			Message: "Advanced Commands:",
			Commands: []*cobra.Command{
				NewCmdApply(f, out),
				NewCmdPatch(f, out),
				NewCmdReplace(f, out),
				NewCmdConvert(f, out),
			},
		},
		{
			Message: "Settings Commands:",
			Commands: []*cobra.Command{
				NewCmdLabel(f, out),
				NewCmdAnnotate(f, out),
				NewCmdCompletion(f, out),
			},
		},
	}
	groups.Add(cmds)

	filters := []string{
		"options",
		Deprecated("kubectl", "delete", cmds, NewCmdStop(f, out)),
	}
	templates.ActsAsRootCommand(cmds, filters, groups...)

	if cmds.Flag("namespace") != nil {
		if cmds.Flag("namespace").Annotations == nil {
			cmds.Flag("namespace").Annotations = map[string][]string{}
		}
		cmds.Flag("namespace").Annotations[cobra.BashCompCustom] = append(
			cmds.Flag("namespace").Annotations[cobra.BashCompCustom],
			"__kubectl_get_namespaces",
		)
	}

	cmds.AddCommand(cmdconfig.NewCmdConfig(clientcmd.NewDefaultPathOptions(), out, err))
	cmds.AddCommand(NewCmdVersion(f, out))
	cmds.AddCommand(NewCmdApiVersions(f, out))
	cmds.AddCommand(NewCmdOptions(out))

	return cmds
}