cmd

Documentation

Index

• Variables
• func Execute()

Variables

var RootCmd = &cobra.Command{
	Use:   "csc",
	Short: "a command line container storage interface (CSI) client",
	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {

		if debug {
			root.logLevel.Set(log.DebugLevel.String())
			root.withReqLogging = true
			root.withReqLogging = true
		}

		lvl, _ := root.logLevel.Val()
		log.SetLevel(lvl)

		if debug {
			log.Warn("debug mode enabled")
		}

		root.ctx = context.Background()
		log.Debug("assigned the root context")

		if root.format == "" {
			switch cmd.Name() {
			case listVolumesCmd.Name():
				if listVolumes.paging {
					root.format = volumeInfoFormat
				} else {
					root.format = listVolumesFormat
				}
			case createVolumeCmd.Name():
				root.format = volumeInfoFormat
			case supportedVersCmd.Name():
				root.format = supportedVersionsFormat
			case pluginInfoCmd.Name():
				root.format = pluginInfoFormat
			}
		}
		if root.format != "" {
			tpl, err := template.New("t").Parse(root.format)
			if err != nil {
				return err
			}
			root.tpl = tpl
		}

		root.userCreds = gocsi.ParseMap(os.Getenv("X_CSI_USER_CREDENTIALS"))

		opts := []grpc.DialOption{
			grpc.WithDialer(
				func(target string, timeout time.Duration) (net.Conn, error) {
					proto, addr, err := gocsi.ParseProtoAddr(target)
					if err != nil {
						return nil, err
					}
					return net.DialTimeout(proto, addr, timeout)
				}),
		}

		if root.insecure {
			opts = append(opts, grpc.WithInsecure())
		}

		if o := getClientInterceptorsDialOpt(); o != nil {
			opts = append(opts, o)
		}

		ctx, cancel := context.WithTimeout(root.ctx, root.timeout)
		defer cancel()
		client, err := grpc.DialContext(ctx, root.endpoint, opts...)
		if err != nil {
			return err
		}
		root.client = client

		return nil
	},
}

RootCmd represents the base command when called without any subcommands

Functions

func Execute

func Execute()

Execute adds all child commands to the root command and sets flags appropriately. This is called by main.main(). It only needs to happen once to the rootCmd.