Пример #1
0
func newNode() {

	if nodeName == "" {
		fmt.Println("Please provide a valid Node name.")
		os.Exit(1)
	}

	if hostname == "" && ipAddress == "" {
		fmt.Println("Please provide a valid hostname or IP address.")
		os.Exit(1)
	}

	if sshPort == "" {
		fmt.Printf("Please provide a valid SSH port %q is listening on.\n", nodeName)
		os.Exit(1)
	} else {

		i, err := strconv.Atoi(sshPort)
		if err != nil {
			fmt.Printf("%q is not a valid port integer.\n", sshPort)
			os.Exit(1)
		}

		if i <= 0 || i > 65535 {
			fmt.Println("Port must be > 0 and < 65535.")
			os.Exit(1)
		}
	}

	n := node.New(
		nodeName,
		hostname,
		ipAddress,
		sshPort,
	)

	err := node.Save(n)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	d, err := remote.NewDestination(n.Id)
	if err != nil {

		fmt.Printf("Destination port was not added for node %q.\n", nodeName)
		node.Delete(nodeName)
		os.Exit(1)
	}

	err = remote.SaveDestination(d)
	if err != nil {
		fmt.Printf("Unable to save a destination port for node %q\n", nodeName)
		node.Delete(nodeName)
		os.Exit(1)
	}

	fmt.Printf("Node %q was saved and will be using destination port %q.\n", nodeName, d.LocalPort)
	fmt.Println("** Please add a firewall rules if necessary. **")
}
Пример #2
0
func deleteNode() {

	if nodeName == "" {
		fmt.Println("Please provide a valid Node name.")
		os.Exit(1)
	}

	fmt.Printf("Delete %q for good (y/N): ", nodeName)

	confirm := "n"
	_, err := fmt.Scan(&confirm)
	if err != nil {
		fmt.Printf("Unable to read input. Error: %s\n Nothing to delete.", err)
		os.Exit(1)
	}

	if confirm == "y" || confirm == "Y" {

		err = node.Delete(nodeName)
		if err != nil {
			fmt.Println(err)
		} else {

			fmt.Printf("Node %q was deleted successfully.\n", nodeName)
		}

		os.Exit(1)
	}

	fmt.Printf("%q was NOT deleted.\n", nodeName)
}