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 listSnapshotsCmd.Name():
				if listSnapshots.paging {
					root.format = snapshotInfoFormat
				} else {
					root.format = listSnapshotsFormat
				}
			case createSnapshotCmd.Name():
				root.format = snapshotInfoFormat
			case createVolumeCmd.Name():
				root.format = volumeInfoFormat
			case pluginInfoCmd.Name():
				root.format = pluginInfoFormat
			case pluginCapsCmd.Name():
				root.format = pluginCapsFormat
			case probeCmd.Name():
				root.format = probeFormat
			case nodeGetVolumeStatsCmd.Name():
				root.format = statsFormat
			case nodeGetInfoCmd.Name():
				root.format = nodeInfoFormat
			}
		}
		if root.format != "" {
			tpl, err := template.New("t").Funcs(template.FuncMap{
				"isa": func(o interface{}, t string) bool {
					return fmt.Sprintf("%T", o) == t
				},
			}).Parse(root.format)
			if err != nil {
				return err
			}
			root.tpl = tpl
		}

		root.secrets = utils.ParseMap(os.Getenv("X_CSI_SECRETS"))

		opts := []grpc.DialOption{
			grpc.WithDialer(
				func(string, time.Duration) (net.Conn, error) {
					proto, addr, err := utils.ParseProtoAddr(root.endpoint)
					log.WithFields(map[string]interface{}{
						"proto":   proto,
						"addr":    addr,
						"timeout": root.timeout,
					}).Debug("parsed endpoint info")
					if err != nil {
						return nil, err
					}
					return net.DialTimeout(proto, addr, root.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.