Class: Yast::BootloaderClass

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# File 'src/modules/Bootloader.rb', line 86

def Export
  ReadOrProposeIfNeeded()
  # TODO: implement it using new way
  #      out = {
  #        "loader_type"     => getLoaderType,
  #        "initrd"          => Initrd.Export,
  #        "specific"        => blExport,
  #        "write_settings"  => BootCommon.write_settings,
  #        "loader_device"   => BootCommon.loader_device,
  #        "loader_location" => BootCommon.selected_location
  #      }
  #      log.info "Exporting settings: #{out}"
  #      out
  {}
end

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# File 'src/modules/Bootloader.rb', line 338

def getDefaultSection
  ReadOrProposeIfNeeded()

  ""
  # FIXME: use bootloader factory to get it
end

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# File 'src/modules/Bootloader.rb', line 477

def getLoaderType
  ::Bootloader::BootloaderFactory.current.name
end

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# File 'src/modules/Bootloader.rb', line 105

def Import(settings)
  settings = deep_copy(settings)
  log.info "Importing settings: #{settings}"
  # TODO: implement it using new way
  #      Reset()
  #
  #      BootCommon.was_read = true
  #      BootCommon.was_proposed = true
  #      BootCommon.changed = true
  #      BootCommon.location_changed = true
  #
  #      settings["loader_type"] = nil if settings["loader_type"] == ""
  #      # if bootloader is not set, then propose it
  #      loader_type = settings["loader_type"] || BootCommon.getLoaderType(true)
  #      # Explitelly set it to ensure it is installed
  #      BootCommon.setLoaderType(loader_type)
  #
  #      # import loader_device and selected_location only for bootloaders
  #      # that have not phased them out yet
  #      BootCommon.loader_device = settings["loader_device"] || ""
  #      BootCommon.selected_location = settings["loader_location"] || "custom"
  #
  #      # FIXME: obsolete for grub (but inactive through the outer "if" now anyway):
  #      # for grub, always correct the bootloader device according to
  #      # selected_location (or fall back to value of loader_device)
  #      if Arch.i386 || Arch.x86_64
  #        BootCommon.loader_device = BootCommon.GetBootloaderDevice
  #      end
  #
  #      Initrd.Import(settings["initrd"] || {})
  #      ret = blImport(settings["specific"] || {})
  #      BootCommon.write_settings = settings["write_settings"] || {}
  #      ret
end

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# File 'src/modules/Bootloader.rb', line 370

def kernel_param(flavor, key)
  if flavor == :recovery
    log.warn "Using deprecated recovery flavor"
    return :missing
  end

  ReadOrProposeIfNeeded() # ensure we have some data

  current_bl = ::Bootloader::BootloaderFactory.current
  # currently only grub2 bootloader supported
  return :missing unless current_bl.respond_to?(:grub_default)
  grub_default = current_bl.grub_default
  params = case flavor
           when :common then grub_default.kernel_params
           when :xen_guest then grub_default.xen_kernel_params
           when :xen_host then grub_default.xen_hypervisor_params
           else raise ArgumentError, "Unknown flavor #{flavor}"
           end

  res = params.parameter(key)

  BOOLEAN_MAPPING[res] || res
end

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# File 'src/modules/Bootloader.rb', line 29

def main
  Yast.import "UI"

  textdomain "bootloader"

  Yast.import "Arch"
  Yast.import "BootStorage"
  Yast.import "Installation"
  Yast.import "Initrd"
  Yast.import "Kernel"
  Yast.import "Mode"
  Yast.import "Progress"
  Yast.import "Stage"
  Yast.import "Storage"
  Yast.import "StorageDevices"
  Yast.import "Directory"

  # fate 303395
  Yast.import "ProductFeatures"
  # Write is repeating again
  # Because of progress bar during inst_finish
  @repeating_write = false

  # installation proposal help variables

  # Configuration was changed during inst. proposal if true
  @proposed_cfg_changed = false

  # old vga value handling function

  # old value of vga parameter of default bootloader section
  @old_vga = nil

  # general functions

  @test_abort = nil
end

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# File 'src/modules/Bootloader.rb', line 418

def modify_kernel_params(*args)
  current_bl = ::Bootloader::BootloaderFactory.current
  # currently only grub2 bootloader supported
  return :missing unless current_bl.respond_to?(:grub_default)
  grub_default = current_bl.grub_default

  values = args.pop
  if !values.is_a? Hash
    raise ArgumentError, "Missing parameters to modify #{args.inspect}"
  end
  args = [:common] if args.empty? # by default change common kernels only
  args = args.first if args.first.is_a? Array # support array like syntax

  if args.include?(:recovery)
    args.delete(:recovery)
    log.warn "recovery flavor is deprecated and not set"
  end

  remap_values = BOOLEAN_MAPPING.invert
  values.each_key do |key|
    values[key] = remap_values[values[key]] if remap_values.key?(values[key])
  end

  params = args.map do |flavor|
    case flavor
    when :common then grub_default.kernel_params
    when :xen_guest then grub_default.xen_kernel_params
    when :xen_host then grub_default.xen_hypervisor_params
    else raise ArgumentError, "Unknown flavor #{flavor}"
    end
  end

  changed = false
  values.each do |key, value|
    params.each do |param|
      old_val = param.parameter(key)
      next if old_val == value

      changed = true
      # at first clean old entries
      matcher = CFA::Matcher.new(key: key)
      param.remove_parameter(matcher)

      case value
      when false then next # already done
      when true then param.add_parameter(key, value)
      when Array
        value.each { |val| param.add_parameter(key, val) }
      else
        param.add_parameter(key, value)
      end
    end
  end

  changed
end

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# File 'src/modules/Bootloader.rb', line 210

def Propose
  log.info "Proposing configuration"
  # always have a current target map available in the log
  log.info "unfiltered target map: #{Storage.GetTargetMap.inspect}"
  ::Bootloader::BootloaderFactory.current.propose

  log.info "Proposed settings: #{Export()}"

  nil
end

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# File 'src/modules/Bootloader.rb', line 142

def Read
  log.info "Reading configuration"
  # run Progress bar
  stages = [
    # progress stage, text in dialog (short, infinitiv)
    _("Check boot loader"),
    # progress stage, text in dialog (short, infinitiv)
    _("Read partitioning"),
    # progress stage, text in dialog (short, infinitiv)
    _("Load boot loader settings")
  ]
  titles = [
    # progress step, text in dialog (short)
    _("Checking boot loader..."),
    # progress step, text in dialog (short)
    _("Reading partitioning..."),
    # progress step, text in dialog (short)
    _("Loading boot loader settings...")
  ]
  # dialog header
  Progress.New(
    _("Initializing Boot Loader Configuration"),
    " ",
    3,
    stages,
    titles,
    ""
  )

  Progress.NextStage
  return false if testAbort

  Progress.NextStage
  return false if !checkUsedStorage

  # While calling "yast clone_system" and while cloning bootloader
  # in the AutoYaST module, libStorage has to be set to "normal"
  # mode in order to read mountpoints correctly.
  # (bnc#950105)
  old_mode = Mode.mode
  if Mode.config
    Mode.SetMode("normal")
    StorageDevices.InitDone # Set StorageDevices flag disks_valid to true
  end

  BootStorage.detect_disks
  Mode.SetMode(old_mode) if old_mode == "autoinst_config"

  Progress.NextStage
  return false if testAbort

  ::Bootloader::BootloaderFactory.current.read

  Progress.Finish

  true
end

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# File 'src/modules/Bootloader.rb', line 483

def ReadOrProposeIfNeeded
  current_bl = ::Bootloader::BootloaderFactory.current
  return if current_bl.read? || current_bl.proposed?

  if Mode.config
    log.info "Initialize libstorage in readonly mode" # bnc#942360
    Storage.InitLibstorage(true)
    log.info "Not reading settings in Mode::config ()"
    Propose()
  elsif Stage.initial && !Mode.update
    Propose()
  else
    progress_orig = Progress.set(false)
    Read()
    Progress.set(progress_orig)
  end
end

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# File 'src/modules/Bootloader.rb', line 201

def Reset
  return if Mode.autoinst
  log.info "Reseting configuration"
  # TODO: consider what to actually do in reset

  nil
end

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# File 'src/modules/Bootloader.rb', line 223

def Summary
  # kokso: additional warning that root partition is nfs type -> bootloader will not be installed
  if BootStorage.disk_with_boot_partition == "/dev/nfs"
    log.info "Bootloader::Summary() -> Boot partition is nfs type, bootloader will not be installed."
    return _("The boot partition is of type NFS. Bootloader cannot be installed.")
  end

  ::Bootloader::BootloaderFactory.current.summary
end

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# File 'src/modules/Bootloader.rb', line 69

def testAbort
  return false if Mode.commandline

  UI.PollInput == :abort
end

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# File 'src/modules/Bootloader.rb', line 235

def Update
  Write() # write also reads the configuration and updates it
end

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# File 'src/modules/Bootloader.rb', line 241

def Write
  ReadOrProposeIfNeeded()

  mark_as_changed

  log.info "Writing bootloader configuration"

  # run Progress bar
  stages = [
    # progress stage, text in dialog (short)
    _("Create initrd"),
    # progress stage, text in dialog (short)
    _("Save boot loader configuration")
  ]
  titles = [
    # progress step, text in dialog (short)
    _("Creating initrd..."),
    # progress step, text in dialog (short)
    _("Saving boot loader configuration...")
  ]
  # progress bar caption
  if Mode.normal
    # progress line
    Progress.New(
      _("Saving Boot Loader Configuration"),
      " ",
      stages.size,
      stages,
      titles,
      ""
    )
    Progress.NextStage
  else
    Progress.Title(titles[0])
  end

  params_to_save = {}
  ret = write_initrd(params_to_save)

  log.error "Error occurred while creating initrd" unless ret

  if Mode.normal
    Progress.NextStage
  else
    Progress.NextStep if !@repeating_write
    Progress.Title(titles[1])
  end

  ::Bootloader::BootloaderFactory.current.write

  true
end

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# File 'src/modules/Bootloader.rb', line 296

def WriteInstallation
  log.info "Writing bootloader configuration during installation"

  mark_as_changed

  params_to_save = {}
  ret = write_initrd(params_to_save)

  log.error "Error occurred while creating initrd" unless ret

  write_sysconfig
  write_proposed_params(params_to_save)

  return ret if getLoaderType == "none"

  # F#300779 - Install diskless client (NFS-root)
  # kokso: bootloader will not be installed
  if BootStorage.disk_with_boot_partition == "/dev/nfs"
    log.info "Bootloader::Write() -> Boot partition is nfs type, bootloader will not be installed."
    return ret
  end

  # F#300779 -end

  # save bootloader settings
  reinit = !(Mode.update || Mode.normal)
  log.info "Reinitialize bootloader library before saving: #{reinit}"

  ret = blSave(true, reinit, true) && ret

  log.eror "Error before configuration files saving finished" unless ret

  # call bootloader executable
  log.info "Calling bootloader executable"
  ret &&= blWrite
  ret = handle_failed_write unless ret

  ret
end