Module: Yast::NetworkServicesHostInclude

Includes:
Logger
Defined in:
src/include/network/services/host.rb

Instance Method Summary collapse

Instance Method Details

#encode_hosts_line(canonical, aliases) ⇒ String

Encode canonical name and aliases using puny code


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# File 'src/include/network/services/host.rb', line 78

def encode_hosts_line(canonical, aliases)
  encoded_aliases = !aliases.nil? ? Punycode.EncodePunycodes(aliases) : []
  encoded_canonical = !canonical.nil? ? Punycode.EncodeDomainName(canonical) : ""

  encoded = ""
  encoded << encoded_canonical if !encoded_canonical.empty?
  encoded << " " + encoded_aliases.join(" ") if !encoded_aliases.empty?

  encoded
end

#HostDialog(id, entry) ⇒ Object


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# File 'src/include/network/services/host.rb', line 285

def HostDialog(id, entry)
  entry = deep_copy(entry)
  Builtins.y2debug("id=%1", id)
  Builtins.y2debug("entry=%1", entry)

  UI.OpenDialog(
    Opt(:decorated),
    VBox(
      MarginBox(
        1.5,
        0,
        VBox(
          HSpacing(20),
          # TextEntry label
          TextEntry(
            Id(:host),
            _("&IP Address"),
            Ops.get_string(entry, 1, "")
          ),
          VSpacing(0.5),
          # TextEntry label
          TextEntry(Id(:name), Label.HostName, Ops.get_string(entry, 2, "")),
          # TextEntry label
          VSpacing(0.5),
          TextEntry(
            Id(:aliases),
            _("Hos&t Aliases"),
            Ops.get_string(entry, 3, "")
          )
        )
      ),
      ButtonBox(
        PushButton(Id(:ok), Opt(:default, :okButton), Label.OKButton),
        PushButton(Id(:cancel), Opt(:cancelButton), Label.CancelButton)
      )
    )
  )

  UI.ChangeWidget(Id(:host), :ValidChars, IP.ValidChars)

  if entry == term(:empty)
    UI.SetFocus(Id(:host))
  else
    UI.SetFocus(Id(:aliases))
  end

  ret = nil
  host = nil

  loop do
    ret = UI.UserInput
    break if ret != :ok

    host = Item(Id(id))
    val = Convert.to_string(UI.QueryWidget(Id(:host), :Value))
    if !IP.Check(val)
      # Popup::Error text
      Popup.Error(_("The IP address is invalid."))
      UI.SetFocus(Id(:host))
      next
    end

    host = Builtins.add(host, val)

    val = Convert.to_string(UI.QueryWidget(Id(:name), :Value))
    if !Hostname.CheckFQ(Punycode.EncodeDomainName(val))
      UI.SetFocus(Id(:name))
      # Popup::Error text
      Popup.Error(
        Ops.add(_("The hostname is invalid.") + "\n", Hostname.ValidFQ)
      )
      next
    end
    host = Builtins.add(host, val)

    val = Convert.to_string(UI.QueryWidget(Id(:aliases), :Value))
    if val != ""
      vals = Punycode.EncodePunycodes(Builtins.splitstring(val, " "))
      vals = Builtins.filter(vals) { |ho| ho != "" && !Hostname.CheckFQ(ho) }
      if Ops.greater_than(Builtins.size(vals), 0)
        UI.SetFocus(Id(:aliases))
        # Popup::Error text
        Popup.Error(
          Builtins.sformat(
            Ops.add(
              _("Alias name \"%1\" is invalid.") + "\n",
              Hostname.ValidFQ
            ),
            Ops.get(vals, 0, "")
          )
        )
        next
      end
    end
    host = Builtins.add(host, val)
    break
  end

  UI.CloseDialog
  return nil if ret != :ok

  host
end

#HostsMainDialog(standalone) ⇒ Object

Main hosts dialog


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# File 'src/include/network/services/host.rb', line 92

def HostsMainDialog(standalone)
  # Hosts dialog caption
  caption = _("Host Configuration")

  # Hosts dialog help 1/2
  help = _("<p>The hosts can be set up in this dialog.</p>") +
    # Hosts dialog help 2/2
    _(
      "<p>Enter a host <b>IP Address</b>, a <b>Hostname</b>, and optional\n<b>Host Aliases</b>, separated by spaces.</p>\n"
    )

  table_items = []
  deleted_items = []
  hosts = Host.name_map

  # make ui items from the hosts list
  hosts.each do |host, names|
    if names.empty?
      log.error("Invalid host: %1, (%2)", host, names)
      next
    end

    name, *aliases = names.first.split(/\s/).delete_if(&:empty?)

    item = Item(
      Id(table_items.size),
      host,
      Punycode.DecodeDomainName(name),
      Punycode.DecodePunycodes([aliases.join(" ")]).first || ""
    )
    table_items.push(item)
  end

  # Hosts dialog contents
  contents = HBox(
    HSpacing(5),
    VBox(
      VSpacing(2),
      # Frame label
      Frame(
        _("Current Hosts"),
        HBox(
          HSpacing(3),
          VBox(
            VSpacing(1),
            Table(
              Id(:table),
              Opt(:notify),
              Header(
                # Table header label
                _("IP Address"),
                # Table header label
                _("Hostnames"),
                # Table header label
                _("Host Aliases")
              ),
              []
            ),
            Left(
              HBox(
                # PushButton label
                PushButton(Id(:add), _("Ad&d")),
                # PushButton label
                PushButton(Id(:edit), Opt(:disabled), _("&Edit")),
                # PushButton label
                PushButton(Id(:delete), Opt(:disabled), _("De&lete"))
              )
            ),
            VSpacing(1)
          ),
          HSpacing(3)
        )
      ),
      VSpacing(2)
    ),
    HSpacing(5)
  )
  if standalone == true
    Wizard.SetContentsButtons(
      caption,
      contents,
      help,
      Label.CancelButton,
      Label.OKButton
    )
    Wizard.SetNextButton(:next, Label.OKButton)
    Wizard.SetAbortButton(:abort, Label.CancelButton)
    Wizard.HideBackButton
  else
    Wizard.SetContentsButtons(
      caption,
      contents,
      help,
      Label.BackButton,
      Label.OKButton
    )
  end

  UI.ChangeWidget(Id(:table), :Items, table_items)
  UI.SetFocus(Id(:table)) if table_items.any?

  ret = nil
  modified = false
  until [:abort, :cancel, :back, :next].include?(ret)
    UI.ChangeWidget(Id(:edit), :Enabled, table_items.any?)
    UI.ChangeWidget(Id(:delete), :Enabled, table_items.any?)

    ret = UI.UserInput

    # abort?
    if ret == :abort || ret == :cancel
      ret = nil if !ReallyAbortCond(modified)
    # add host
    elsif ret == :add
      new_item_position = table_items.size
      item = HostDialog(new_item_position, term(:empty))

      next if item.nil?

      table_items.push(item)

      UI.ChangeWidget(Id(:table), :Items, table_items)
      UI.ChangeWidget(Id(:table), :CurrentItem, new_item_position)
      modified = true
    # edit host
    elsif ret == :edit || ret == :table
      cur = Convert.to_integer(UI.QueryWidget(Id(:table), :CurrentItem))
      cur_item = Builtins.filter(table_items) do |e|
        cur == Ops.get(e, [0, 0])
      end

      olditem = Ops.get(cur_item, 0)

      next if !HostSystemPopup(Ops.get_string(olditem, 1, ""), false)
      item = HostDialog(cur, olditem)

      next if item.nil?

      table_items = Builtins.maplist(table_items) do |e|
        if cur == Ops.get_integer(e, [0, 0], -1)
          ip = Ops.get_string(item, 1, "")
          oldip = Ops.get_string(olditem, 1, "")

          deleted_items = Builtins.add(deleted_items, oldip) if ip != oldip
          Builtins.y2debug("Deleting: %1 (%2)", oldip, ip)

          next deep_copy(item)
        end
        deep_copy(e)
      end
      UI.ChangeWidget(Id(:table), :Items, table_items)
      UI.ChangeWidget(Id(:table), :CurrentItem, cur)
      modified = true
    # delete host
    elsif ret == :delete
      cur = Convert.to_integer(UI.QueryWidget(Id(:table), :CurrentItem))
      cur_item = Builtins.filter(table_items) do |e|
        cur == Ops.get(e, [0, 0])
      end

      item = Ops.get(cur_item, 0)

      next if !HostSystemPopup(Ops.get_string(item, 1, ""), true)

      table_items = Builtins.filter(table_items) do |e|
        ip = Ops.get_string(e, 1, "")
        if cur == Ops.get(e, [0, 0])
          if ip != "" && !ip.nil?
            deleted_items = Builtins.add(deleted_items, ip)
            next false
          end
        end
        true
      end
      UI.ChangeWidget(Id(:table), :Items, table_items)
      modified = true
    elsif ret == :next
      next if !modified
      Host.clear

      table_items.each do |row|
        hostnames = encode_hosts_line(row[2], (row[3] || "").split)

        Host.add_name(row[1] || "", hostnames)
      end
    else
      log.error("unexpected retcode: %1", ret)
    end
  end

  ret
end

#HostSystemPopup(host, delete) ⇒ Object

Check if given host is system and present warning in this case.


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# File 'src/include/network/services/host.rb', line 55

def HostSystemPopup(host, delete)
  return true if !Builtins.contains(Host.GetSystemHosts, host)

  # Warning popup text 1/2
  text = Builtins.sformat(_("The host %1 is a system host.") + "\n", host)

  text = if delete
    # Warning popup text 2/2
    Ops.add(text, _("Really delete it?"))
  else
    # Warning popup text 2/2
    Ops.add(text, _("Really change it?"))
  end

  Popup.AnyQuestion("", text, Label.YesButton, Label.NoButton, :focus_no)
end

#initialize_network_services_host(include_target) ⇒ Object


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# File 'src/include/network/services/host.rb', line 35

def initialize_network_services_host(include_target)
  Yast.import "UI"

  textdomain "network"

  Yast.import "Host"
  Yast.import "Hostname"
  Yast.import "IP"
  Yast.import "Label"
  Yast.import "Popup"
  Yast.import "Punycode"
  Yast.import "Wizard"

  Yast.include include_target, "network/routines.rb"
end