Class: Yast::SwitchScrFinishClient

Inherits:
Client
  • Object
show all
Defined in:
src/lib/installation/clients/switch_scr_finish.rb

Instance Method Summary collapse

Instance Method Details

#CheckFreeSpaceNowObject


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# File 'src/lib/installation/clients/switch_scr_finish.rb', line 152

def CheckFreeSpaceNow
  ret_exec = Convert.to_map(
    SCR.Execute(path(".target.bash_output"), "LANG=en_US.UTF-8 /bin/df -h")
  )

  if Ops.get_integer(ret_exec, "exit", -1) == 0
    Builtins.y2milestone(
      "Free space: \n%1",
      Builtins.mergestring(
        Builtins.splitstring(Ops.get_string(ret_exec, "stdout", ""), "\\n"),
        "\n"
      )
    )
  else
    Builtins.y2error("Cannot find out free space: %1", ret_exec)
  end

  nil
end

#mainObject


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# File 'src/lib/installation/clients/switch_scr_finish.rb', line 33

def main
  Yast.import "UI"

  textdomain "installation"

  Yast.import "Directory"
  Yast.import "Installation"

  @ret = nil
  @func = ""
  @param = {}

  # Check arguments
  if Ops.greater_than(Builtins.size(WFM.Args), 0) &&
      Ops.is_string?(WFM.Args(0))
    @func = Convert.to_string(WFM.Args(0))
    if Ops.greater_than(Builtins.size(WFM.Args), 1) &&
        Ops.is_map?(WFM.Args(1))
      @param = Convert.to_map(WFM.Args(1))
    end
  end

  Builtins.y2milestone("starting switch_scr_finish")
  Builtins.y2debug("func=%1", @func)
  Builtins.y2debug("param=%1", @param)

  case @func
  when "Info"
    return {
      "steps" => 1,
      # progress step title
      "title" => _("Moving to installed system..."),
      "when"  => [:installation, :live_installation, :update, :autoinst]
    }
  when "Write"
    # --------------------------------------------------------------
    #   stop SCR
    #   restart on destination

    Builtins.y2milestone("Stopping SCR")

    WFM.SCRClose(Installation.scr_handle)

    # --------------------------------------------------------------

    Builtins.y2milestone("Re-starting SCR on %1", Installation.destdir)
    Installation.scr_handle = WFM.SCROpen(
      Ops.add(Ops.add("chroot=", Installation.destdir), ":scr"),
      false
    )

    Builtins.y2milestone("new scr_handle: %1", Installation.scr_handle)

    # bugzilla #201058
    # WFM::SCROpen returns negative integer in case of failure
    if Installation.scr_handle.nil? ||
        Ops.less_than(Installation.scr_handle, 0)
      Builtins.y2error("Cannot switch to the system")
      return false
    end

    Installation.scr_destdir = "/"
    WFM.SCRSetDefault(Installation.scr_handle)

    # re-init tmpdir from new SCR !
    Directory.ResetTmpDir

    # bnc #433057
    # Even if SCR switch worked, run a set of some simple tests
    if TestTheNewSCRHandler() != true
      Builtins.y2error("Switched SCR do not work properly.")
      return false
    end
  else
    Builtins.y2error("unknown function: %1", @func)
    @ret = nil
  end

  Builtins.y2debug("ret=%1", @ret)
  Builtins.y2milestone("switch_scr_finish finished")
  deep_copy(@ret)
end

#TestTheNewSCRBoolean

Check the new SCR, bnc #433057

Returns:

  • (Boolean)

    whether successful


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# File 'src/lib/installation/clients/switch_scr_finish.rb', line 119

def TestTheNewSCR
  Builtins.y2milestone("Running some tests on the new SCR")

  ret_exec = Convert.to_map(
    SCR.Execute(path(".target.bash_output"), "TEST=OK; echo ${TEST}")
  )

  if Ops.get_integer(ret_exec, "exit", -1) != 0
    Builtins.y2milestone("SCR::Execute: %1", ret_exec)
    Builtins.y2error("SCR Error")
    return false
  end

  ret_dir = Convert.to_list(SCR.Read(path(".target.dir"), "/"))

  if ret_dir.nil? || ret_dir == []
    Builtins.y2milestone("SCR::Read/dir: %1", ret_dir)
    Builtins.y2error("SCR Error")
    return false
  end

  scr_dir = SCR.Dir(path(".sysconfig"))

  if scr_dir.nil? || scr_dir == []
    Builtins.y2milestone("SCR::Dir: %1", scr_dir)
    Builtins.y2error("SCR Error")
    return false
  end

  Builtins.y2milestone("SCR seems to be OK")
  true
end

#TestTheNewSCRHandlerObject


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# File 'src/lib/installation/clients/switch_scr_finish.rb', line 172

def TestTheNewSCRHandler
  ret = TestTheNewSCR()

  # BNC #460477
  CheckFreeSpaceNow()

  ret
end