Function Create

pkg/cmd/network/create.go:29–50

(options types.NetworkCreateOptions, stdout io.Writer)

)

func Create(options types.NetworkCreateOptions, stdout io.Writer) error {
	if len(options.Subnets) == 0 {
		if len(options.Gateway) > 0 || options.IPRange != "" {
			return fmt.Errorf("cannot set gateway or ip-range without subnet, specify --subnet manually")
		}
		options.Subnets = []string{""}
	}

	e, err := netutil.NewCNIEnv(options.GOptions.CNIPath, options.GOptions.CNINetConfPath, netutil.WithNamespace(options.GOptions.Namespace))
	if err != nil {
		return err
	}
	net, err := e.CreateNetwork(options)
	if err != nil {
		if errdefs.IsAlreadyExists(err) {
			return fmt.Errorf("network with name %s already exists", options.Name)
		}
		return err
	}
	_, err = fmt.Fprintln(stdout, *net.NerdctlID)
	return err
}