Function processCreateCommandFlagsInRun

cmd/nerdctl/container/container_run.go:324–366

(cmd *cobra.Command)

}

func processCreateCommandFlagsInRun(cmd *cobra.Command) (types.ContainerCreateOptions, error) {
	opt, err := createOptions(cmd)
	if err != nil {
		return opt, err
	}

	opt.InRun = true

	opt.SigProxy, err = cmd.Flags().GetBool("sig-proxy")
	if err != nil {
		return opt, err
	}
	opt.Interactive, err = cmd.Flags().GetBool("interactive")
	if err != nil {
		return opt, err
	}
	opt.Detach, err = cmd.Flags().GetBool("detach")
	if err != nil {
		return opt, err
	}
	opt.DetachKeys, err = cmd.Flags().GetString("detach-keys")
	if err != nil {
		return opt, err
	}
	opt.Attach, err = cmd.Flags().GetStringSlice("attach")
	if err != nil {
		return opt, err
	}

	validAttachFlag := true
	for i, str := range opt.Attach {
		opt.Attach[i] = strings.ToUpper(str)

		if opt.Attach[i] != "STDIN" && opt.Attach[i] != "STDOUT" && opt.Attach[i] != "STDERR" {
			validAttachFlag = false
		}
	}
	if !validAttachFlag {
		return opt, fmt.Errorf("invalid stream specified with -a flag. Valid streams are STDIN, STDOUT, and STDERR")
	}

	return opt, nil
}

// runAction is heavily based on ctr implementation:
// https://github.com/containerd/containerd/blob/v1.4.3/cmd/ctr/commands/run/run.go