Golang util.CheckErr函数代码示例

func NewCommandCreateBootstrapPolicyFile(commandName string, fullName string, out io.Writer) *cobra.Command {
	options := &CreateBootstrapPolicyFileOptions{}

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Create the default bootstrap policy",
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			if err := options.CreateBootstrapPolicyFile(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	flags := cmd.Flags()

	flags.StringVar(&options.File, "filename", DefaultPolicyFile, "The policy template file that will be written with roles and bindings.")
	flags.StringVar(&options.OpenShiftSharedResourcesNamespace, "openshift-namespace", "openshift", "Namespace for shared resources.")

	// autocompletion hints
	cmd.MarkFlagFilename("filename")

	return cmd
}

// NewCmdWhoCan implements the OpenShift cli who-can command
func NewCmdWhoCan(name, fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	options := &whoCanOptions{}

	cmd := &cobra.Command{
		Use:   "who-can VERB RESOURCE",
		Short: "List who can perform the specified action on a resource",
		Long:  "List who can perform the specified action on a resource",
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.complete(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			var err error
			if options.client, _, err = f.Clients(); err != nil {
				kcmdutil.CheckErr(err)
			}
			if options.bindingNamespace, err = f.DefaultNamespace(); err != nil {
				kcmdutil.CheckErr(err)
			}
			if err := options.run(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	return cmd
}

func NewCmdAttach(f *cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer) *cobra.Command {
	options := &AttachOptions{
		In:  cmdIn,
		Out: cmdOut,
		Err: cmdErr,

		Attach: &DefaultRemoteAttach{},
	}
	cmd := &cobra.Command{
		Use:     "attach POD -c CONTAINER",
		Short:   "Attach to a running container.",
		Long:    "Attach to a a process that is already running inside an existing container.",
		Example: attach_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(options.Complete(f, cmd, args))
			cmdutil.CheckErr(options.Validate())
			cmdutil.CheckErr(options.Run())
		},
	}
	// TODO support UID
	cmd.Flags().StringVarP(&options.ContainerName, "container", "c", "", "Container name")
	cmd.Flags().BoolVarP(&options.Stdin, "stdin", "i", false, "Pass stdin to the container")
	cmd.Flags().BoolVarP(&options.TTY, "tty", "t", false, "Stdin is a TTY")
	return cmd
}

// NewCmdAddSecret creates a command object for adding a secret reference to a service account
func NewCmdAddSecret(name, fullName string, f *cmdutil.Factory, out io.Writer) *cobra.Command {
	o := &AddSecretOptions{Out: out}
	var typeFlags util.StringList

	cmd := &cobra.Command{
		Use:   fmt.Sprintf("%s serviceaccounts/sa-name secrets/secret-name [secrets/another-secret-name]...", name),
		Short: "Add secrets to a ServiceAccount",
		Long:  fmt.Sprintf(addSecretLong, fullName),
		Run: func(c *cobra.Command, args []string) {
			if err := o.Complete(f, args, typeFlags); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(c, err.Error()))
			}

			if err := o.Validate(); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(c, err.Error()))
			}

			if err := o.AddSecrets(); err != nil {
				cmdutil.CheckErr(err)
			}

		},
	}

	forFlag := &pflag.Flag{
		Name:     "for",
		Usage:    "type of secret to add: mount or pull",
		Value:    &typeFlags,
		DefValue: "mount",
	}
	cmd.Flags().AddFlag(forFlag)

	return cmd
}

func NewCmdStop(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	flags := &struct {
		Filenames util.StringList
	}{}
	cmd := &cobra.Command{
		Use:     "stop (-f FILENAME | RESOURCE (NAME | -l label | --all))",
		Short:   "Gracefully shut down a resource by name or filename.",
		Long:    stop_long,
		Example: stop_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
			cmdutil.CheckErr(RunStop(f, cmd, args, flags.Filenames, out, shortOutput))
		},
	}
	usage := "Filename, directory, or URL to file of resource(s) to be stopped."
	kubectl.AddJsonFilenameFlag(cmd, &flags.Filenames, usage)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
	cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
	cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful stop.")
	cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
	cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

// NewCmdAddSecret creates a command object for adding a secret reference to a service account
func NewCmdAddSecret(name, fullName string, f *cmdutil.Factory, out io.Writer) *cobra.Command {
	o := &AddSecretOptions{Out: out}
	typeFlag := "mount"

	cmd := &cobra.Command{
		Use:   fmt.Sprintf("%s serviceaccounts/sa-name secrets/secret-name [secrets/another-secret-name]...", name),
		Short: "Add secrets to a ServiceAccount",
		Long:  fmt.Sprintf(addSecretLong, fullName, fullName),
		Run: func(c *cobra.Command, args []string) {
			if err := o.Complete(f, args, typeFlag); err != nil {
				cmdutil.CheckErr(err)
			}

			if err := o.Validate(); err != nil {
				cmdutil.CheckErr(err)
			}

			if err := o.AddSecrets(); err != nil {
				cmdutil.CheckErr(err)
			}

		},
	}

	cmd.Flags().StringVar(&typeFlag, "for", typeFlag, "type of secret to add: mount or pull")

	return cmd
}

func NewCommandCreateKeyPair(commandName string, fullName string, out io.Writer) *cobra.Command {
	options := &CreateKeyPairOptions{Output: out}

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Create a public/private key pair",
		Long:  fmt.Sprintf(createKeyPairLong, fullName),
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			err := options.CreateKeyPair()
			kcmdutil.CheckErr(err)
		},
	}

	flags := cmd.Flags()

	flags.StringVar(&options.PublicKeyFile, "public-key", "", "The public key file.")
	flags.StringVar(&options.PrivateKeyFile, "private-key", "", "The private key file.")

	flags.BoolVar(&options.Overwrite, "overwrite", false, "Overwrite existing key files if found. If false, either file existing will prevent creation.")

	return cmd
}

func NewCommandCreateBootstrapProjectTemplate(f *clientcmd.Factory, commandName string, fullName string, out io.Writer) *cobra.Command {
	options := &CreateBootstrapProjectTemplateOptions{}

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Create a bootstrap project template",
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error()))
			}

			template, err := options.CreateBootstrapProjectTemplate()
			if err != nil {
				cmdutil.CheckErr(err)
			}

			err = f.Factory.PrintObject(cmd, template, out)
			if err != nil {
				cmdutil.CheckErr(err)
			}
		},
	}

	cmd.Flags().StringVar(&options.Name, "name", delegated.DefaultTemplateName, "The name of the template to output.")
	cmdutil.AddPrinterFlags(cmd)

	// Default to JSON
	if flag := cmd.Flags().Lookup("output"); flag != nil {
		flag.Value.Set("json")
	}

	return cmd
}

// NewCmdNewProject implements the OpenShift cli new-project command
func NewCmdNewProject(name, fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	options := &NewProjectOptions{}

	cmd := &cobra.Command{
		Use:   name + " NAME [--display-name=DISPLAYNAME] [--description=DESCRIPTION]",
		Short: "Create a new project",
		Long:  newProjectLong,
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.complete(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			var err error
			if options.Client, _, err = f.Clients(); err != nil {
				kcmdutil.CheckErr(err)
			}

			// We can't depend on len(options.NodeSelector) > 0 as node-selector="" is valid
			// and we want to populate node selector as project annotation only if explicitly set by user
			useNodeSelector := cmd.Flag("node-selector").Changed

			if err := options.Run(useNodeSelector); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	cmd.Flags().StringVar(&options.AdminRole, "admin-role", bootstrappolicy.AdminRoleName, "Project admin role name in the cluster policy")
	cmd.Flags().StringVar(&options.AdminUser, "admin", "", "Project admin username")
	cmd.Flags().StringVar(&options.DisplayName, "display-name", "", "Project display name")
	cmd.Flags().StringVar(&options.Description, "description", "", "Project description")
	cmd.Flags().StringVar(&options.NodeSelector, "node-selector", "", "Restrict pods onto nodes matching given label selector. Format: '<key1>=<value1>, <key2>=<value2>...'. Specifying \"\" means any node, not default. If unspecified, cluster default node selector will be used.")

	return cmd
}

func NewCommandCreateClient(commandName string, fullName string, out io.Writer) *cobra.Command {
	options := &CreateClientOptions{GetSignerCertOptions: &GetSignerCertOptions{}, Output: out}

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Create a config file for connecting to the server as a user",
		Long:  createClientLong,
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			if err := options.CreateClientFolder(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	flags := cmd.Flags()

	BindGetSignerCertOptions(options.GetSignerCertOptions, flags, "")

	flags.StringVar(&options.ClientDir, "client-dir", "", "The client data directory.")
	flags.StringVar(&options.BaseName, "basename", "", "The base filename to use for the .crt, .key, and .kubeconfig files. Defaults to the username.")

	flags.StringVar(&options.User, "user", "", "The scope qualified username.")
	flags.Var(&options.Groups, "groups", "The list of groups this user belongs to. Comma delimited list")

	flags.StringVar(&options.APIServerURL, "master", "https://localhost:8443", "The API server's URL.")
	flags.StringVar(&options.PublicAPIServerURL, "public-master", "", "The API public facing server's URL (if applicable).")
	flags.StringVar(&options.APIServerCAFile, "certificate-authority", "openshift.local.config/master/ca.crt", "Path to the API server's CA file.")

	return cmd
}

// NewCmdDeploy creates a new `deploy` command.
func NewCmdDeploy(fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	options := &DeployOptions{
		baseCommandName: fullName,
	}

	cmd := &cobra.Command{
		Use:     "deploy DEPLOYMENTCONFIG",
		Short:   "View, start, cancel, or retry a deployment",
		Long:    deployLong,
		Example: fmt.Sprintf(deployExample, fullName),
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Complete(f, args, out); err != nil {
				cmdutil.CheckErr(err)
			}

			if err := options.Validate(args); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error()))
			}

			if err := options.RunDeploy(); err != nil {
				cmdutil.CheckErr(err)
			}
		},
	}

	cmd.Flags().BoolVar(&options.deployLatest, "latest", false, "Start a new deployment now.")
	cmd.Flags().BoolVar(&options.retryDeploy, "retry", false, "Retry the latest failed deployment.")
	cmd.Flags().BoolVar(&options.cancelDeploy, "cancel", false, "Cancel the in-progress deployment.")
	cmd.Flags().BoolVar(&options.enableTriggers, "enable-triggers", false, "Enables all image triggers for the deployment config.")

	return cmd
}

func NewCommandCreateMasterCerts(commandName string, fullName string, out io.Writer) *cobra.Command {
	options := &CreateMasterCertsOptions{Output: out}

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Create certificates for an Atomic Enterprise master",
		Long:  fmt.Sprintf(masterCertLong, fullName),
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			if err := options.CreateMasterCerts(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	flags := cmd.Flags()

	flags.StringVar(&options.CertDir, "cert-dir", "openshift.local.config/master", "The certificate data directory.")
	flags.StringVar(&options.SignerName, "signer-name", DefaultSignerName(), "The name to use for the generated signer.")

	flags.StringVar(&options.APIServerURL, "master", "https://localhost:8443", "The API server's URL.")
	flags.StringVar(&options.PublicAPIServerURL, "public-master", "", "The API public facing server's URL (if applicable).")
	flags.Var(&options.Hostnames, "hostnames", "Every hostname or IP that server certs should be valid for (comma-delimited list)")
	flags.BoolVar(&options.Overwrite, "overwrite", false, "Overwrite all existing cert/key/config files (WARNING: includes signer/CA)")

	return cmd
}

// NewCmdRollback creates a CLI rollback command.
func NewCmdRollback(fullName string, f *clientcmd.Factory, out io.Writer) *cobra.Command {
	opts := &RollbackOptions{}
	cmd := &cobra.Command{
		Use:     "rollback (DEPLOYMENTCONFIG | DEPLOYMENT)",
		Short:   "Revert part of an application back to a previous deployment",
		Long:    rollbackLong,
		Example: fmt.Sprintf(rollbackExample, fullName),
		Run: func(cmd *cobra.Command, args []string) {
			if err := opts.Complete(f, args, out); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error()))
			}

			if err := opts.Validate(); err != nil {
				cmdutil.CheckErr(cmdutil.UsageError(cmd, err.Error()))
			}

			if err := opts.Run(); err != nil {
				cmdutil.CheckErr(err)
			}
		},
	}

	cmd.Flags().BoolVar(&opts.IncludeTriggers, "change-triggers", false, "Include the previous deployment's triggers in the rollback")
	cmd.Flags().BoolVar(&opts.IncludeStrategy, "change-strategy", false, "Include the previous deployment's strategy in the rollback")
	cmd.Flags().BoolVar(&opts.IncludeScalingSettings, "change-scaling-settings", false, "Include the previous deployment's replicationController replica count and selector in the rollback")
	cmd.Flags().BoolVarP(&opts.DryRun, "dry-run", "d", false, "Instead of performing the rollback, describe what the rollback will look like in human-readable form")
	cmd.Flags().StringVarP(&opts.Format, "output", "o", "", "Instead of performing the rollback, print the updated deployment configuration in the specified format (json|yaml|template|templatefile)")
	cmd.Flags().StringVarP(&opts.Template, "template", "t", "", "Template string or path to template file to use when -o=template or -o=templatefile.")
	cmd.Flags().IntVar(&opts.DesiredVersion, "to-version", 0, "A config version to rollback to. Specifying version 0 is the same as omitting a version (the version will be auto-detected). This option is ignored when specifying a deployment.")

	return cmd
}

func NewCmdDelete(f *cmdutil.Factory, out io.Writer) *cobra.Command {
	var filenames util.StringList
	cmd := &cobra.Command{
		Use:     "delete ([-f FILENAME] | (RESOURCE [(NAME | -l label | --all)]",
		Short:   "Delete a resource by filename, stdin, resource and name, or by resources and label selector.",
		Long:    delete_long,
		Example: delete_example,
		Run: func(cmd *cobra.Command, args []string) {
			cmdutil.CheckErr(cmdutil.ValidateOutputArgs(cmd))
			shortOutput := cmdutil.GetFlagString(cmd, "output") == "name"
			err := RunDelete(f, out, cmd, args, filenames, shortOutput)
			cmdutil.CheckErr(err)
		},
	}
	usage := "Filename, directory, or URL to a file containing the resource to delete."
	kubectl.AddJsonFilenameFlag(cmd, &filenames, usage)
	cmd.Flags().StringP("selector", "l", "", "Selector (label query) to filter on.")
	cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
	cmd.Flags().Bool("ignore-not-found", false, "Treat \"resource not found\" as a successful delete. Defaults to \"true\" when --all is specified.")
	cmd.Flags().Bool("cascade", true, "If true, cascade the deletion of the resources managed by this resource (e.g. Pods created by a ReplicationController).  Default true.")
	cmd.Flags().Int("grace-period", -1, "Period of time in seconds given to the resource to terminate gracefully. Ignored if negative.")
	cmd.Flags().Duration("timeout", 0, "The length of time to wait before giving up on a delete, zero means determine a timeout from the size of the object")
	cmdutil.AddOutputFlagsForMutation(cmd)
	return cmd
}

func NewCommandOverwriteBootstrapPolicy(commandName string, fullName string, createBootstrapPolicyCommand string, out io.Writer) *cobra.Command {
	options := &OverwriteBootstrapPolicyOptions{Out: out}
	options.CreateBootstrapPolicyCommand = createBootstrapPolicyCommand

	cmd := &cobra.Command{
		Use:   commandName,
		Short: "Reset the policy to the default values",
		Run: func(cmd *cobra.Command, args []string) {
			if err := options.Validate(args); err != nil {
				kcmdutil.CheckErr(kcmdutil.UsageError(cmd, err.Error()))
			}

			if err := options.OverwriteBootstrapPolicy(); err != nil {
				kcmdutil.CheckErr(err)
			}
		},
	}

	flags := cmd.Flags()

	flags.BoolVarP(&options.Force, "force", "f", false, "You must confirm you really want to reset your policy. This will delete any custom settings you may have.")
	flags.StringVar(&options.File, "filename", "", "The policy template file containing roles and bindings.  One can be created with '"+createBootstrapPolicyCommand+"'.")
	flags.StringVar(&options.MasterConfigFile, "master-config", "openshift.local.config/master/master-config.yaml", "Location of the master configuration file to run from in order to connect to etcd and directly modify the policy.")

	// autocompletion hints
	cmd.MarkFlagFilename("filename")
	cmd.MarkFlagFilename("master-config", "yaml", "yml")

	return cmd
}