Module: Yast::PartitioningEpImportInclude

Defined in:
../../src/include/partitioning/ep-import.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) AddFstabToTargetMap(target_map, fstab, format_sys)

Merge fstab with target_map.



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# File '../../src/include/partitioning/ep-import.rb', line 217

def AddFstabToTargetMap(target_map, fstab, format_sys)
  target_map = deep_copy(target_map)
  fstab = deep_copy(fstab)
  Builtins.y2milestone("AddFstabToTargetMap fstab:%1", fstab)

  new_target_map = Builtins.mapmap(target_map) do |disk_device, disk|
    Ops.set(
      disk,
      "partitions",
      Builtins.maplist(Ops.get_list(disk, "partitions", [])) do |partition|
        part_device = Ops.get_string(partition, "device", "")
        if !Storage.IsInstallationSource(part_device)
          Builtins.foreach(fstab) do |fstab_entry|
            dev_fstab = Ops.get_string(fstab_entry, "device", "")
            mount_fstab = Ops.get_string(fstab_entry, "mount", "")
            if dev_fstab == part_device
              Ops.set(partition, "mount", mount_fstab)
              if format_sys && FileSystems.IsSystemMp(mount_fstab, false) &&
                  mount_fstab != "/boot/efi"
                Ops.set(partition, "format", true)
              end
              if format_sys && Ops.get_string(partition, "mount", "") == "/" &&
                  Ops.get_symbol(partition, "detected_fs", :unknown) == :BTRFS
                partition = Storage.AddSubvolRoot(partition)
              end
              if !Builtins.isempty(
                  Ops.get_string(fstab_entry, "fstopt", "")
                ) &&
                  Ops.get_string(fstab_entry, "fstopt", "") != "default"
                Ops.set(
                  partition,
                  "fstopt",
                  Ops.get_string(fstab_entry, "fstopt", "")
                )
              end
              if Ops.get_symbol(fstab_entry, "mountby", :device) != :device
                Ops.set(
                  partition,
                  "mountby",
                  Ops.get_symbol(fstab_entry, "mountby", :device)
                )
              end
              if Ops.get_symbol(fstab_entry, "enc_type", :none) != :none
                Ops.set(
                  partition,
                  "enc_type",
                  Ops.get_symbol(fstab_entry, "enc_type", :none)
                )
              end
            end
          end
        end
        deep_copy(partition)
      end
    )
    { disk_device => disk }
  end

  Builtins.y2milestone(
    "AddFstabToTargetMap new_target_map:%1",
    new_target_map
  )

  deep_copy(new_target_map)
end

- (Hash{String => Array}) FindExistingFstabs(target_map, search_point)

Find and read fstab by installation. Scan existing partitions.

Returns:

  • (Hash{String => Array})

    map with device and fstab data found



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# File '../../src/include/partitioning/ep-import.rb', line 108

def FindExistingFstabs(target_map, search_point)
  target_map = deep_copy(target_map)
  fstabs = {}

  Builtins.foreach(target_map) do |disk_device, disk|
    partitions = Builtins.filter(Ops.get_list(disk, "partitions", [])) do |part|
      Builtins.contains(
        FileSystems.possible_root_fs,
        Ops.get_symbol(part, "detected_fs", :unknown)
      )
    end
    Builtins.foreach(partitions) do |part|
      part_device = Ops.get_string(part, "device", "")
      # try to mount
      mount_success = Storage.Mount(part_device, search_point)
      if mount_success &&
          Ops.greater_than(
            SCR.Read(
              path(".target.size"),
              Ops.add(search_point, "/etc/fstab")
            ),
            0
          )
        fstab = Storage.ReadFstab(Ops.add(search_point, "/etc"))
        Builtins.y2milestone("FindExistingFstabs fstab:%1", fstab)
        if !Builtins.isempty(fstab)
          if Builtins.find(fstab) do |p|
              Ops.get_integer(p, "size_k", 0) == 0
            end != nil
            vardev = ""
            var = Builtins.find(fstab) do |p|
              Ops.get_string(p, "mount", "") == "/var"
            end
            root = Builtins.find(fstab) do |p|
              Ops.get_string(p, "mount", "") == "/"
            end
            Builtins.y2milestone("FindExistingFstabs var:%1", var)
            if var != nil
              vardev = MountVar(
                var,
                root,
                part_device,
                Ops.add(search_point, "/var"),
                target_map
              )
              Builtins.y2milestone("FindExistingFstabs vardev:%1", vardev)
            end
            dmap = Storage.BuildDiskmap({})
            if !Builtins.isempty(dmap)
              Builtins.y2milestone("FindExistingFstabs dmap:%1", dmap)
              Builtins.y2milestone("FindExistingFstabs fstab:%1", fstab)
              fstab = Builtins.maplist(fstab) do |p|
                if Ops.get_integer(p, "size_k", 0) == 0
                  Ops.set(
                    p,
                    "device",
                    Storage.HdDiskMap(Ops.get_string(p, "device", ""), dmap)
                  )
                end
                deep_copy(p)
              end
              Builtins.y2milestone("FindExistingFstabs fstab:%1", fstab)
            end
            s = Builtins.size(fstab)
            fstab = Builtins.filter(fstab) { |p| Storage.CanEdit(p, false) }
            if s != Builtins.size(fstab)
              Builtins.y2milestone("FindExistingFstabs fstab:%1", fstab)
            end
            Storage.Umount(vardev, false) if !Builtins.isempty(vardev)
          end

          Ops.set(fstabs, part_device, fstab) if !Builtins.isempty(fstab)
        end
      end
      # unmount
      Storage.Umount(part_device, false) if mount_success
    end
  end
  Builtins.y2milestone(
    "FindExistingFstabs size(fstabs):%1",
    Builtins.size(fstabs)
  )
  Builtins.y2milestone("FindExistingFstabs fstabs:%1", fstabs)
  deep_copy(fstabs)
end

- (Object) FstabAddDialog(target_map, fstabs, format_sys)

Scan exiting partitions for fstab files and if one found read the mountpoints from the fstab file and build a new target_map. Ask the user if he like to use the new or old target_map (with or without found mountpoints)



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# File '../../src/include/partitioning/ep-import.rb', line 310

def FstabAddDialog(target_map, fstabs, format_sys)
  target_map = deep_copy(target_map)
  fstabs = deep_copy(fstabs)
  Builtins.y2milestone("FstabAddDialog target_map:%1", target_map)
  Builtins.y2milestone("FstabAddDialog fstabs:%1", fstabs)

  if Builtins.isempty(fstabs)
    # popup text
    Popup.Message(_("No previous system with mount points was detected."))
    return ""
  end

  devices = Builtins.maplist(fstabs) { |device2, fstab| device2 }

  fields = StorageSettings.FilterTable(
    [:device, :size, :type, :fs_type, :label, :mount_point]
  )

  table_header = StorageFields.TableHeader(fields)

  navigate_buttons = Empty()
  if Ops.greater_than(Builtins.size(fstabs), 1)
    navigate_buttons = HBox(
      PushButton(Id(:show_prev), _("Show &Previous")),
      PushButton(Id(:show_next), _("Show &Next"))
    )
  end

  UI.OpenDialog(
    Opt(:decorated),
    VBox(
      VSpacing(0.45),
      # dialog heading
      Left(Heading(_("Import Mount Points from Existing System:"))),
      MarginBox(
        1,
        0.5,
        VBox(
          Left(ReplacePoint(Id(:device), Empty())),
          MinSize(
            60,
            8,
            Table(Id(:table), Opt(:keepSorting), table_header, [])
          ),
          VSpacing(0.45),
          navigate_buttons,
          VSpacing(0.45),
          # checkbox label
          Left(CheckBox(Id(:format_sys), _("Format System Volumes"), true))
        )
      ),
      ButtonBox(
        PushButton(Id(:help), Opt(:helpButton), Label.HelpButton),
        # pushbutton label
        PushButton(Id(:ok), Opt(:default), _("Import")),
        PushButton(Id(:cancel), Label.CancelButton)
      )
    )
  )

  UI.ChangeWidget(:help, :HelpText, FstabAddDialogHelptext())

  userinput = :none
  idx = 0
  begin
    device2 = Ops.get(devices, idx, "")

    fstab = Convert.convert(
      Ops.get(fstabs, device2, []),
      :from => "list",
      :to   => "list <map>"
    )

    new_target_map = AddFstabToTargetMap(
      target_map,
      fstab,
      format_sys.value
    )

    # popup text %1 is replaced by a device name (e.g. /dev/hda1)
    str = Builtins.sformat(_("/etc/fstab found on %1 contains:"), device2)
    UI.ReplaceWidget(Id(:device), Label(str))

    table_contents = StorageFields.TableContents(
      fields,
      new_target_map,
      fun_ref(
        StorageFields.method(:PredicateMountpoint),
        "symbol (map, map)"
      )
    )
    UI.ChangeWidget(Id(:table), :Items, table_contents)
    UI.ChangeWidget(Id(:table), :CurrentItem, nil)

    if Ops.greater_than(Builtins.size(fstabs), 1)
      UI.ChangeWidget(Id(:show_prev), :Enabled, Ops.greater_than(idx, 0))
      UI.ChangeWidget(
        Id(:show_next),
        :Enabled,
        Ops.less_than(idx, Ops.subtract(Builtins.size(fstabs), 1))
      )
    end

    userinput = Convert.to_symbol(UI.UserInput)

    case userinput
      when :show_next
        idx = Ops.add(idx, 1)
      when :show_prev
        idx = Ops.subtract(idx, 1)
    end
    Builtins.y2milestone("idx %1", idx)
  end until userinput == :ok || userinput == :cancel

  format_sys.value = Convert.to_boolean(
    UI.QueryWidget(Id(:format_sys), :Value)
  )

  UI.CloseDialog

  device = userinput == :ok ? Ops.get(devices, idx, "") : ""
  Builtins.y2milestone("FstabAddDialog device:%1", device)
  device
end

- (Object) FstabAddDialogHelptext



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# File '../../src/include/partitioning/ep-import.rb', line 284

def FstabAddDialogHelptext
  # help text, richtext format
  helptext = _(
    "<p>YaST has scanned your hard disks and found one or several existing \n" +
      "Linux systems with mount points. The old mount points are shown in \n" +
      "the table.</p>\n"
  )

  # help text, richtext format
  helptext = Ops.add(
    helptext,
    _(
      "<p>You can choose whether the existing system\n" +
        "volumes, e.g. / and /usr, will be formatted during the\n" +
        "installation. Non-system volumes, e.g. /home, will not be formatted.</p>"
    )
  )

  helptext
end

- (Object) ImportMountPoints



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# File '../../src/include/partitioning/ep-import.rb', line 436

def ImportMountPoints
  Storage.CreateTargetBackup("import")
  Storage.ResetOndiskTarget

  target_map = Storage.GetOndiskTarget

  fstabs = ScanAndReadExistingFstabs(target_map)
  Builtins.y2milestone("ImportMountPoints fstabs:%1", fstabs)

  format_sys = true
  device = (
    format_sys_ref = arg_ref(format_sys);
    _FstabAddDialog_result = FstabAddDialog(
      target_map,
      fstabs,
      format_sys_ref
    );
    format_sys = format_sys_ref.value;
    _FstabAddDialog_result
  )
  new_target_map = {}
  import_ok = false
  if !Builtins.isempty(device)
    Builtins.y2milestone("ImportMountPoints device:%1", device)
    fstab = Convert.convert(
      Ops.get(fstabs, device, []),
      :from => "list",
      :to   => "list <map>"
    )
    import_ok = true

    new_target_map = AddFstabToTargetMap(target_map, fstab, format_sys)

    Builtins.foreach(new_target_map) do |d, disk|
      Builtins.foreach(Ops.get_list(disk, "partitions", [])) do |p|
        key = Ops.get_symbol(p, "type", :unknown) != :loop ?
          Ops.get_string(p, "device", "error") :
          Ops.get_string(p, "fpath", "error")
        if !Builtins.isempty(Ops.get_string(p, "mount", "")) &&
            Ops.get_symbol(p, "enc_type", :none) != :none &&
            !Ops.get_boolean(p, "tmpcrypt", false) &&
            Storage.NeedCryptPwd(key)
          ok = false
          dev = Ops.get_string(p, "device", "")
          pwd = ""
          begin
            ok = false
            pwd = DlgPasswdCryptFs(dev, 1, false, false)
            if pwd != nil && !Builtins.isempty(pwd)
              if Storage.CheckCryptOk(dev, pwd, true, false)
                ok = Storage.SetCryptPwd(dev, pwd) &&
                  Storage.SetCrypt(dev, true, false)
              else
                Popup.Error(_("Wrong Password Provided."))
              end
            elsif Builtins.size(pwd) == 0
              ok = true
              import_ok = false
            end
          end while !ok
        end
      end
    end
  end
  if import_ok
    Storage.SetTargetMap(new_target_map)
  else
    Storage.RestoreTargetBackup("import")
  end

  Storage.DisposeTargetBackup("import")

  nil
end

- (Object) initialize_partitioning_ep_import(include_target)



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# File '../../src/include/partitioning/ep-import.rb', line 28

def initialize_partitioning_ep_import(include_target)
  textdomain "storage"


  Yast.import "Directory"
  Yast.import "FileSystems"
  Yast.import "Label"
  Yast.import "Popup"
  Yast.import "Storage"
  Yast.import "StorageFields"
  Yast.import "StorageSettings"
end

- (Object) MountVar(var, root, rdev, mp, target_map)



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# File '../../src/include/partitioning/ep-import.rb', line 41

def MountVar(var, root, rdev, mp, target_map)
  var = deep_copy(var)
  root = deep_copy(root)
  target_map = deep_copy(target_map)
  ret = ""
  mount_success = false
  Builtins.y2milestone(
    "MountVar rdev:%1 mp:%2 var:%3 root:%4",
    rdev,
    mp,
    var,
    root
  )
  if Ops.greater_than(Ops.get_integer(var, "size_k", 0), 0)
    ret = Ops.get_string(var, "device", "")
  else
    ds = Builtins.maplist(target_map) { |d, disk| d }
    Builtins.y2milestone("MountVar ds:%1", ds)
    ds = Builtins.filter(ds) do |d|
      Ops.get_symbol(target_map, [d, "type"], :CT_UNKNOWN) == :CT_DISK
    end
    Builtins.y2milestone("MountVar ds:%1", ds)
    rootm = Storage.GetDiskPartition(rdev)
    rootf = Storage.GetDiskPartition(Ops.get_string(root, "device", ""))
    varf = Storage.GetDiskPartition(Ops.get_string(var, "device", ""))
    if Ops.get_string(rootf, "disk", "") == Ops.get_string(varf, "disk", "")
      ret = Storage.GetDeviceName(
        Ops.get_string(rootm, "disk", ""),
        Ops.get(varf, "nr", 0)
      )
    elsif Builtins.size(ds) == 1
      ret = Storage.GetDeviceName(
        Ops.get(ds, 0, ""),
        Ops.get(varf, "nr", 0)
      )
    elsif Ops.greater_than(Builtins.size(ds), 1)
      i = 0
      while Ops.less_than(i, Builtins.size(ds)) && Builtins.isempty(ret)
        ret = Storage.GetDeviceName(
          Ops.get(ds, i, ""),
          Ops.get(varf, "nr", 0)
        )
        if !Builtins.isempty(Storage.GetPartition(target_map, ret)) &&
            Storage.Mount(ret, mp)
          d = Convert.to_map(
            SCR.Read(path(".target.stat"), Ops.add(mp, "/lib/hardware"))
          )
          Builtins.y2milestone("MountVar d:%1", d)
          ret = "" if !Ops.get_boolean(d, "isdir", false)
          Storage.Umount(ret, false)
        else
          ret = ""
        end
        i = Ops.add(i, 1)
      end
    end
  end
  ret = "" if !Builtins.isempty(ret) && !Storage.Mount(ret, mp)
  Builtins.y2milestone("MountVar ret:%1", ret)
  ret
end

- (Hash{String => Array}) ScanAndReadExistingFstabs(target_map)

Scan and Read and return fstabs.

Returns:

  • (Hash{String => Array})

    map with device and fstab data found



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# File '../../src/include/partitioning/ep-import.rb', line 198

def ScanAndReadExistingFstabs(target_map)
  target_map = deep_copy(target_map)
  search_point = Ops.add(Directory.tmpdir, "/tmp-mp")

  if !Ops.get_boolean(
      Convert.to_map(SCR.Read(path(".target.stat"), search_point)),
      "isdir",
      false
    )
    SCR.Execute(path(".target.mkdir"), search_point)
  end

  fstabs = FindExistingFstabs(target_map, search_point)

  deep_copy(fstabs)
end