Golang DialogUi.SetHelpLabel方法代碼示例

func uiNUMATopologyHeader(ui *gui.DialogUi, c *guest.Config) string {
	ui.HelpButton(true)
	ui.SetHelpLabel("Back")
	ui.SetTitle("VA NUMA Configuration")
	ui.SetExtraLabel("Edit")

	var hdr string
	for _, n := range c.NUMAs {
		for _, nic := range n.NICs {
			if nic.HostNIC.Type == host.NicTypePhys || nic.HostNIC.Type == host.NicTypePhysVF {
				hdr += fmt.Sprintf("\nNUMA %d: %s", nic.HostNIC.NUMANode, nic.HostNIC.PCIAddr)
			}
		}
	}

	hdr += "\n"
	if hdr != "\n" {
		hdr = " \n---------------- PCI Devices Topology ---------------" + hdr
		hdr += "-----------------------------------------------------\n\n"
	}

	hdr += " __________________ CPU/NUMA Topology ________________\n"
	hdr += "|____________ VA ___________|_________ Host __________|\n"
	hdr += "|____ vCPU ___|___ vNUMA ___|_________CPU(s) _________|"
	return hdr
}

func UiApplianceName(ui *gui.DialogUi, defaultName string, driver deployer.EnvDriver) (string, error) {
	var name string
	var err error

	for {
		ui.SetSize(8, len(defaultName)+10)
		ui.SetTitle("Virtual machine name")
		ui.HelpButton(true)
		ui.SetHelpLabel("Back")
		name, err = ui.Inputbox(defaultName)
		if err != nil {
			return "", err
		}
		if name != "" {
			name = strings.Replace(name, ".", "-", -1)
			if driver != nil {
				if driver.DomainExists(name) {
					ui.Output(gui.Warning, "domain "+name+" already exists.", "Press <OK> to return to menu.")
					continue
				}
			}
			break
		}
	}
	return name, nil
}

func uiHeaderSelectNics(ui *gui.DialogUi) int {
	str := " ___________________________________________________________________________________________________________________________"
	width := len(str)
	str += "\n|____________________________________________________HOST__________________________________________________________|___VM___|"

	str += fmt.Sprintf("\n|________%s________|__%s__|_______________ %s _________________|__%s__|__%s__|", "Port Name", "PCI Address", "Network Interface Description", "NUMA", "Port")
	ui.SetLabel(str)
	ui.SetExtraLabel("Next")
	ui.SetOkLabel("Select")
	ui.HelpButton(true)
	ui.SetHelpLabel("Back")
	return width
}

func uiNetworkPolicySelector(ui *gui.DialogUi, net *xmlinput.Network) ([]xmlinput.ConnectionMode, error) {
	matrix := make(map[string][]xmlinput.ConnectionMode)
	for _, mode := range net.UiModeBinding {
		if _, ok := matrix[mode.Appear]; !ok {
			matrix[mode.Appear] = make([]xmlinput.ConnectionMode, 0)
		}
		matrix[mode.Appear] = append(matrix[mode.Appear], mode.Type)
	}

	var temp []string
	index := 1
	for appear, _ := range matrix {
		temp = append(temp, strconv.Itoa(index), appear)
		index++
	}

	length := len(matrix)
	ui.SetSize(length+8, 50)
	ui.SetTitle(fmt.Sprintf("Network interface type for network \"%s\"", net.Name))
	ui.HelpButton(true)
	ui.SetHelpLabel("Back")
	if net.Optional {
		ui.SetExtraLabel("Skip")
	}
	val, err := ui.Menu(length, temp[0:]...)
	if err != nil {
		return nil, err
	}
	resultInt, err := strconv.Atoi(val)
	if err != nil {
		return nil, utils.FormatError(err)
	}
	if resultInt != 1 {
		resultInt++
	}
	return matrix[temp[resultInt]], nil
}

func UiVmConfig(ui *gui.DialogUi, driver deployer.HostinfoDriver, xidata *xmlinput.XMLInputData,
	pathToMainImage string, sconf *image.Storage, conf *guest.Config) error {
	var installedRamMb int
	var maxRAM int
	var err error

	list := make([]string, 0)
	index := 1

	if xidata.CPU.Configure {
		cpuStr := fmt.Sprintf("  %-9s |  %d-%d", "CPU", xidata.CPU.Min, xidata.CPU.Max)
		list = []string{cpuStr, strconv.Itoa(index), "1", strconv.Itoa(xidata.CPU.Default), "1", "30", "6", "0", "0"}
		index++
	} else if xidata.CPU.Default > 0 {
		conf.CPUs = xidata.CPU.Default
	}
	if xidata.RAM.Configure {
		installedRamMb, err = driver.RAMSize()
		if err != nil {
			return utils.FormatError(err)
		}
		if xidata.RAM.Max > installedRamMb || xidata.RAM.Max == xmlinput.UnlimitedAlloc {
			maxRAM = installedRamMb
		} else {
			maxRAM = xidata.RAM.Max
		}

		ramStr := fmt.Sprintf("  %-9s |  %d-%dG", "RAM", xidata.RAM.Min/1024, maxRAM/1024)
		list = append(list, []string{ramStr, strconv.Itoa(index), "1", strconv.Itoa(xidata.RAM.Default / 1024), "2", "30", "6", "0", "0"}...)
		index++
	} else if xidata.RAM.Default > 0 {
		conf.RamMb = xidata.RAM.Default
	}
	if xidata.Disks.Configure {
		diskName := "Disk"
		for i, disk := range xidata.Disks.Configs {
			if i > 0 {
				diskName = strconv.Itoa(i) + "_" + strconv.Itoa(i)
			}
			diskStr := fmt.Sprintf("  %-9s |  %d-%dG", diskName, disk.Min/1024, disk.Max/1024)
			indexStr := strconv.Itoa(index)
			list = append(list, []string{diskStr, indexStr, "1", strconv.Itoa(disk.Default / 1024), indexStr, "30", "6", "0", "0"}...)
			index++
		}
	}
	str := " ______________________________________\n|	 Resource	 |		Maximum		|		Allocated		|"
	installedCpus, err := driver.CPUs()
	if err != nil {
		return utils.FormatError(err)
	}

	index--

	if index > 1 {

	MainLoop:
		for {
			ui.SetSize(11, 46)
			ui.SetTitle("Virtual Machine configuration")
			ui.HelpButton(true)
			ui.SetHelpLabel("Back")
			resultIndex := 0
			result, err := ui.Mixedform(str, false, list[0:]...)
			if err != nil {
				return err
			}
			if len(result) < index {
				continue
			}
			if xidata.CPU.Configure {
				selectedCpus, err := strconv.Atoi(result[resultIndex])
				if err != nil {
					continue
				}
				if uiCpuNotOK(ui, selectedCpus, installedCpus, xidata.CPU.Min, xidata.CPU.Max) {
					continue
				}
				conf.CPUs = selectedCpus
				resultIndex++
			}
			if xidata.RAM.Configure {
				selectedRamMb, err := utils.FloatStringToInt(result[resultIndex], 1024)
				if err != nil {
					continue MainLoop
				}
				if uiRamNotOK(ui, selectedRamMb, installedRamMb, xidata.RAM.Min, maxRAM) {
					continue
				}
				conf.RamMb = selectedRamMb
				resultIndex++
			}
			if xidata.Disks.Configure {
				disks := make([]int, 0)
				for _, disk := range xidata.Disks.Configs {
					selectedDiskSizeMb, err := utils.FloatStringToInt(result[resultIndex], 1024)
					if err != nil {
						continue MainLoop
					}
					if uiDiskNotOK(ui, selectedDiskSizeMb, disk.Min, disk.Max) {
						continue MainLoop
//.........這裏部分代碼省略.........

func uiNicSelectMenu(ui *gui.DialogUi, data *xmlinput.XMLInputData, guestPortCounter *int,
	guestPciSlotCounter *int, hnics host.NICList, net *xmlinput.Network, index int) (guest.NICList, error) {
	list := make([]string, 0)
	keeper := make(map[string]*host.NIC)
	indexStrToInt := make(map[string][]int)
	indexInt := 1
	for _, hnic := range hnics {
		indexStr := strconv.Itoa(indexInt)
		list = append(list, indexStr, fmt.Sprintf("%-22s%-15s%-68s%-10s", hnic.Name, hnic.PCIAddr, hnic.Desc, uiNUMAIntToString(hnic.NUMANode)))
		keeper[indexStr] = hnic
		if indexInt == 1 {
			// index 0 - element index in the list
			// index 1 - element counter
			// index 2 - PCI slot number represented as integer
			indexStrToInt[indexStr] = []int{1, 0, 0}
		} else {
			indexStrToInt[indexStr] = []int{indexInt*2 - 1, 0, 0}
		}
		indexInt++
	}

	listLength := len(list)
	gnics := guest.NewNICList()
	var disjuncNicVendor string
	var disjuncNicModel string

	for {
		if index > 0 {
			ui.HelpButton(true)
			ui.SetHelpLabel("Back")
		}
		width := uiHeaderSelectNics(ui)
		ui.SetSize(listLength+8, width+5)
		ui.SetTitle(fmt.Sprintf("Select interface for network \"%s\"", net.Name))
		nicNumStr, err := ui.Menu(listLength+5, list[0:]...)
		if err != nil {
			if err.Error() == gui.DialogNext {
				if len(gnics) == 0 && net.Optional == false {
					continue
				}
				break
			}
			*guestPciSlotCounter -= len(gnics)
			*guestPortCounter -= len(gnics)
			return nil, err
		}

		hnic := keeper[nicNumStr]
		// verify that we need to proceed with "disjunction"
		if net.NicsDisjunction && (hnic.Type == host.NicTypePhys || hnic.Type == host.NicTypePhysVF) &&
			(hnic.Vendor != disjuncNicVendor && hnic.Model != disjuncNicModel) {
			// back to menu in case "disjunction" entries already exist
			if host_hwfilter.NicDisjunctionFound(hnic, data.HostNics.Allowed) && disjuncNicVendor != "" {
				msg := fmt.Sprintf("'%s' cannot be selected alongside '%s %s'", hnic.Desc, disjuncNicVendor, disjuncNicModel)
				ui.Output(gui.Warning, msg, "Press <OK> to return to menu.")
				continue
			}
			// set the new entries
			disjuncNicVendor = hnic.Vendor
			disjuncNicModel = hnic.Model
		}

		delNicCounter := indexStrToInt[nicNumStr][1]
		// counter for the NIC found,we should remove the NIC object and its references
		if delNicCounter > 0 {
			// find the guest NIC object in the guest NICs list
			if _, index, err := gnics.NicByHostNicObj(hnic); err == nil {
				// if found :
				// - remove the object
				// - decrement guestPortCounter
				// - decriment guestPciSlotCounter
				gnics.Remove(index)
				if *guestPortCounter > 0 {
					*guestPortCounter--
				}
				if *guestPciSlotCounter > data.GuestNic.PCI.FirstSlot {
					*guestPciSlotCounter--
				}
				// update the list with the new entry containing deselected NIC
				list[indexStrToInt[nicNumStr][0]] = fmt.Sprintf("%-22s%-15s%-68s%-10s", hnic.Name, hnic.PCIAddr, hnic.Desc, uiNUMAIntToString(hnic.NUMANode))
				// - reset element counter
				// - reset PCI slot number
				indexStrToInt[nicNumStr][1] = 0
				indexStrToInt[nicNumStr][2] = 0
			}
			// iterate over the map and update entries
			for nicIndex, data := range indexStrToInt {
				nicCounter := data[1]
				if nicCounter > delNicCounter {
					tmpNic := keeper[nicIndex]
					nicCounter--
					list[data[0]] = fmt.Sprintf("%-22s%-15s%-68s%-9s%d", tmpNic.Name, tmpNic.PCIAddr,
						tmpNic.Desc, uiNUMAIntToString(tmpNic.NUMANode), nicCounter)
					indexStrToInt[nicIndex][1] = nicCounter
					indexStrToInt[nicIndex][2]--
					if gnic, _, err := gnics.NicByHostNicObj(tmpNic); err == nil {
						gnic.PCIAddr.Slot = utils.IntToHexString(indexStrToInt[nicIndex][2])
					}
				}
			}
//.........這裏部分代碼省略.........

func UiSshConfig(ui *gui.DialogUi) (*sshconf.Config, error) {
	cfg := new(sshconf.Config)
	cfg.Port = "22"
	cfg.User = "root"
	origlist := []string{"IP      : ", "1", "1", "", "1", "10", "22", "0", "0",
		"SSH Port: ", "2", "1", cfg.Port, "2", "10", "22", "0", "0",
		"Username: ", "3", "1", cfg.User, "3", "10", "22", "0", "0"}

MainLoop:
	for {
		ui.HelpButton(true)
		ui.SetHelpLabel("Back")
		reslist, err := ui.Mixedform("Remote session configuration", false, origlist[0:]...)
		if err != nil {
			return nil, err
		}
		if len(reslist) < 3 {
			continue
		}
		if net.ParseIP(reslist[0]) == nil {
			continue
		}
		cfg.Host = reslist[0]

		portDig, err := strconv.Atoi(reslist[1])
		if err != nil {
			return nil, utils.FormatError(err)
		}
		if portDig > 65535 {
			continue
		}

	AuthLoop:
		for {
			ui.SetTitle("Authentication method")
			ui.SetSize(9, 18)
			ui.HelpButton(true)
			ui.SetHelpLabel("Back")
			val, err := ui.Menu(2, "1", "Password", "2", "Private key")
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue MainLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}

			switch val {
			case "1":
				cfg.Password, err = ui.GetPasswordFromInput(cfg.Host, cfg.User, "Back", "", false)
			case "2":
				cfg.PrvtKeyFile, err = ui.GetPathToFileFromInput("Path to ssh private key file", "Back", "")
			}
			if err != nil {
				switch err.Error() {
				case gui.DialogMoveBack:
					continue AuthLoop
				case gui.DialogExit:
					os.Exit(1)
				}
			}
			break MainLoop
		}
	}

	run := utils.RunFunc(cfg)
	errCh := make(chan error)
	defer close(errCh)
	go func() {
		// verifying that user is able execute a command by using sudo
		_, err := run("uname")
		errCh <- err
	}()

	if err := ui.Wait("Trying to establish SSH connection to remote host.\nPlease wait...", time.Second*1, time.Second*5, errCh); err != nil {
		ui.Output(gui.Warning, "Unable to establish SSH connection.", "Press <OK> to return to menu.")
		goto MainLoop
	}
	return cfg, nil
}