Class: Yast::InitrdClass

Inherits:
Module
  • Object
show all
Includes:
Logger
Defined in:
library/system/src/modules/Initrd.rb

Instance Method Summary collapse

Instance Method Details

#main ⇒ Object 



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# File 'library/system/src/modules/Initrd.rb', line 43

def main
  Yast.import "UI"

  Yast.import "Arch"
  Yast.import "Label"
  Yast.import "Misc"
  Yast.import "Mode"
  Yast.import "Stage"
  Yast.import "Directory"

  textdomain "base"

  # module variables

  # List of modules for Initrd
  @modules = []
  # For each of modules - true if should be inserted to initrd, false
  # otherwise. Used to keep order from first-stage installation
  @modules_to_store = {}
  # List of modules that were in sysconfig file when reading settings
  @read_modules = []
  # map of settings for modules for being contained in initrd
  @modules_settings = {}
  # true if settings were changed and initrd needs to be rebuilt,
  # false otherwise
  @changed = false
  # true if settings were already read, flase otherwise
  @was_read = false
  # List of modules which should be not added/removed to/from initrd
  @modules_to_skip = nil

  # List of fallback vga modes to be used when hwinfo --framebuffer
  # doesn't return any value
  @known_modes = [
    { "color" => 8, "height" => 200, "mode" => 816, "width" => 320 },
    { "color" => 16, "height" => 200, "mode" => 782, "width" => 320 },
    { "color" => 24, "height" => 200, "mode" => 783, "width" => 320 },
    { "color" => 8, "height" => 240, "mode" => 820, "width" => 320 },
    { "color" => 16, "height" => 240, "mode" => 821, "width" => 320 },
    { "color" => 24, "height" => 240, "mode" => 822, "width" => 320 },
    { "color" => 8, "height" => 400, "mode" => 817, "width" => 320 },
    { "color" => 16, "height" => 400, "mode" => 818, "width" => 320 },
    { "color" => 24, "height" => 400, "mode" => 819, "width" => 320 },
    { "color" => 8, "height" => 400, "mode" => 768, "width" => 640 },
    { "color" => 16, "height" => 400, "mode" => 829, "width" => 640 },
    { "color" => 24, "height" => 400, "mode" => 830, "width" => 640 },
    { "color" => 8, "height" => 480, "mode" => 769, "width" => 640 },
    { "color" => 16, "height" => 480, "mode" => 785, "width" => 640 },
    { "color" => 24, "height" => 480, "mode" => 786, "width" => 640 },
    { "color" => 8, "height" => 600, "mode" => 771, "width" => 800 },
    { "color" => 16, "height" => 600, "mode" => 788, "width" => 800 },
    { "color" => 24, "height" => 600, "mode" => 789, "width" => 800 },
    { "color" => 8, "height" => 768, "mode" => 773, "width" => 1024 },
    { "color" => 16, "height" => 768, "mode" => 791, "width" => 1024 },
    { "color" => 24, "height" => 768, "mode" => 792, "width" => 1024 },
    { "color" => 8, "height" => 1024, "mode" => 775, "width" => 1280 },
    { "color" => 16, "height" => 1024, "mode" => 794, "width" => 1280 },
    { "color" => 24, "height" => 1024, "mode" => 795, "width" => 1280 },
    { "color" => 8, "height" => 1200, "mode" => 837, "width" => 1600 },
    { "color" => 16, "height" => 1200, "mode" => 838, "width" => 1600 }
  ]
end

#Read ⇒ Object

read seettings from sysconfig

Returns:

  • true on success



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# File 'library/system/src/modules/Initrd.rb', line 110

def Read
  Reset()
  @was_read = true
  return true if Stage.initial && !Mode.update # nothing to read

  # test for missing files - probably an error - should never occur
  if SCR.Read(path(".target.size"), "/etc/sysconfig/kernel") == -1
    Builtins.y2error("sysconfig/kernel not found")
    return false
  end

  s_modnames = Convert.to_string(
    SCR.Read(path(".sysconfig.kernel.INITRD_MODULES"))
  )
  s_modnames = "" if s_modnames.nil?
  @modules = Builtins.splitstring(s_modnames, " ")
  @modules = Builtins.filter(@modules) { |m| m != "" }
  Builtins.foreach(@modules) do |m|
    Ops.set(@modules_settings, m, {})
    Ops.set(@modules_to_store, m, true)
  end
  @read_modules = deep_copy(@modules)
  true
end

#VgaModes ⇒ Object 



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# File 'library/system/src/modules/Initrd.rb', line 214

def VgaModes
  all_modes = Convert.convert(
    SCR.Read(path(".probe.framebuffer")),
    from: "any",
    to:   "list <map>"
  )
  if all_modes.nil? || Builtins.size(all_modes) == 0
    Builtins.y2warning("Probing VGA modes failed, using fallback list")
    all_modes = deep_copy(@known_modes)
  end
  deep_copy(all_modes)
end

#Write ⇒ Object

write settings to sysconfig, rebuild initrd images

Returns:

  • true on success



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# File 'library/system/src/modules/Initrd.rb', line 137

def Write
  Read() if !(@was_read || Mode.config)
  Update() if Mode.update
  Builtins.y2milestone(
    "Initrd::Write called, changed: %1, list: %2",
    @changed,
    ListModules()
  )
  # check whether it is neccessary to write initrd
  return true if !@changed && Mode.normal

  modules_written = false

  Builtins.foreach(@modules_settings) do |modname, optmap|
    next if !Ops.is_map?(optmap)

    if Ops.greater_than(Builtins.size(Convert.to_map(optmap)), 0)
      # write options to /etc/modules.conf
      p = Builtins.add(path(".modules.options"), modname)
      SCR.Write(p, Convert.to_map(optmap))
      modules_written = true
    end
  end

  SCR.Write(path(".modules"), nil) if modules_written

  # check modules that could be added during module's run (bug 26717)
  if SCR.Read(path(".target.size"), "/etc/sysconfig/kernel") != -1
    s_modnames = Convert.to_string(
      SCR.Read(path(".sysconfig.kernel.INITRD_MODULES"))
    )
    s_modnames = "" if s_modnames.nil?
    s_modules = Builtins.splitstring(s_modnames, " ")
    s_modules = Builtins.filter(s_modules) do |m|
      !Builtins.contains(@read_modules, m)
    end
    s_modules = Builtins.filter(s_modules) do |m|
      !Builtins.contains(@modules, m)
    end
    Builtins.y2milestone(
      "Modules %1 were added to initrd not using Initrd module",
      s_modules
    )
    Builtins.foreach(s_modules) { |m| AddModule(m, "") }
  end

  # save sysconfig
  SCR.Execute(
    path(".target.bash"),
    "/usr/bin/touch /etc/sysconfig/bootloader"
  )

  # FIXME: the modules are not written, remove them completely,
  # for now just log them without any change
  mods = Builtins.mergestring(ListModules(), " ")
  log.warn "Ignoring configured kernel modules: #{mods}" unless mods.empty?

  if SCR.Execute(
    path(".target.bash"),
    Builtins.sformat(
      "/usr/bin/dracut --force --regenerate-all >> %1 2>&1",
      File.join(Directory.logdir, "y2logmkinitrd").shellescape
    )
  ) != 0
    log = Convert.to_string(
      SCR.Read(
        path(".target.string"),
        Ops.add(Directory.logdir, "/y2logmkinitrd")
      )
    )
    # error report
    errorWithLogPopup(_("An error occurred during initrd creation."), log)
  end
  @changed = false
  true
end