Class: Yast::LinuxrcClass

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

Constant Summary collapse

DISABLE_SNAPSHOTS =

Disables filesystem snapshots (fate#317973) Possible values: all, post, pre, single

"disable_snapshots".freeze

Instance Method Summary collapse

Instance Method Details

#braille ⇒ Object

braille mode ?



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# File 'library/general/src/modules/Linuxrc.rb', line 123

def braille
  !InstallInf("Braille").nil?
end

#disable_remote(services) ⇒ Object

Reset settings for vnc, ssh,... in install.inf which have been made by linuxrc settings.

Parameters:

  • list (Array<String>) —

    of remote-management services that will be disabled.



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# File 'library/general/src/modules/Linuxrc.rb', line 264

def disable_remote(services)
  return if !services || services.empty?

  log.warn "Disabling #{services} due to missing packages."
  services.each do |service|
    # Service IDs are also used in another context in the code
    # Making sure we always compare apples with apples
    case polish(service.dup)

    when "vnc"
      SCR.Write(path(".etc.install_inf.VNC"), 0)
      SCR.Write(path(".etc.install_inf.VNCPassword"), "")
    when "ssh"
      SCR.Write(path(".etc.install_inf.UseSSH"), 0)
    when "braille"
      SCR.Write(path(".etc.install_inf.Braille"), 0)
    when "displayip"
      SCR.Write(path(".etc.install_inf.DISPLAY_IP"), 0)
    else
      log.error "Unknown service #{service}"
      raise ArgumentError, "Cannot disable #{service}: Unknown service."
    end
  end
  SCR.Write(path(".etc.install_inf"), nil) # Flush the cache
  ResetInstallInf()
end

#display_ip ⇒ Object

remote X mode ?



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# File 'library/general/src/modules/Linuxrc.rb', line 133

def display_ip
  !InstallInf("Display_IP").nil?
end

#InstallInf(key) ⇒ Object 



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# File 'library/general/src/modules/Linuxrc.rb', line 89

def InstallInf(key)
  ReadInstallInf()
  @install_inf[key]
end

#keys ⇒ Object 



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# File 'library/general/src/modules/Linuxrc.rb', line 94

def keys
  ReadInstallInf()
  @install_inf.keys
end

#main ⇒ Object 



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# File 'library/general/src/modules/Linuxrc.rb', line 38

def main
  Yast.import "Mode"
  Yast.import "Stage"

  @install_inf = nil

  @_manual = nil
end

#manual ⇒ Object

installation mode wrappers



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# File 'library/general/src/modules/Linuxrc.rb', line 101

def manual
  return @_manual if !@_manual.nil?

  @_manual = InstallInf("Manual") == "1"
  if !@_manual
    tmp = Convert.to_string(
      SCR.Read(path(".target.string"), "/proc/cmdline")
    )
    if !tmp.nil? &&
        Builtins.contains(Builtins.splitstring(tmp, " \n"), "manual")
      @_manual = true
    end
  end
  @_manual
end

#ReadInstallInf ⇒ Object

routines for reading data from /etc/install.inf



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# File 'library/general/src/modules/Linuxrc.rb', line 49

def ReadInstallInf
  return if !@install_inf.nil?

  # skip from chroot
  old_SCR = WFM.SCRGetDefault
  new_SCR = WFM.SCROpen("chroot=/:scr", false)
  WFM.SCRSetDefault(new_SCR)

  begin
    @install_inf = {}
    # don't read anything if the file doesn't exist
    if SCR.Read(path(".target.size"), "/etc/install.inf") == -1
      Builtins.y2error("Reading install.inf, but file doesn't exist!!!")
      return
    end
    entries = SCR.Dir(path(".etc.install_inf"))
    if entries.nil?
      Builtins.y2error("install.inf is empty")
      return
    end
    Builtins.foreach(entries) do |e|
      val = Convert.to_string(
        SCR.Read(Builtins.add(path(".etc.install_inf"), e))
      )
      Ops.set(@install_inf, e, val)
    end
  ensure
    # close and chroot back
    WFM.SCRSetDefault(old_SCR)
    WFM.SCRClose(new_SCR)
  end

  nil
end

#reboot_timeout ⇒ Object 



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# File 'library/general/src/modules/Linuxrc.rb', line 155

def reboot_timeout
  return nil unless InstallInf("reboot_timeout")

  InstallInf("reboot_timeout").to_i
end

#ResetInstallInf ⇒ Object 



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# File 'library/general/src/modules/Linuxrc.rb', line 84

def ResetInstallInf
  @install_inf = nil
  nil
end

#SaveInstallInf(root) ⇒ Object

Copy /etc/install.inf into built system so that the second phase of the installation can find it.

Parameters:

  • root —

    mount point of system

Returns:

  • boolean true on success



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# File 'library/general/src/modules/Linuxrc.rb', line 185

def SaveInstallInf(root)
  if Stage.initial && !Mode.test
    inst_if_file = "/etc/install.inf"

    if !root.nil? && root != "" && root != "/"
      if WFM.Read(path(".local.size"), inst_if_file) == -1
        Builtins.y2error(
          "Can't SaveInstallInf, file %1 doesn't exist",
          inst_if_file
        )
      else
        Builtins.y2milestone("Copying %1 to %2", inst_if_file, root)
        if Convert.to_integer(
          WFM.Execute(
            path(".local.bash"),
            Builtins.sformat(
              "grep -vi '^Sourcemounted' '%1' > %2/%1; chmod 0600 %2/%1",
              inst_if_file,
              root
            )
          )
        ) != 0
          Builtins.y2error(
            "Cannot SaveInstallInf %1 to %2",
            inst_if_file,
            root
          )
        end
      end
    else
      Builtins.y2error("Can't SaveInstallInf, root is %1", root)
    end

    # just for debug so we can see the original install.inf later
    SCR.Execute(
      path(".target.bash"),
      Ops.add(
        Ops.add("/bin/cp /etc/install.inf ", root),
        "/var/lib/YaST2/install.inf"
      )
    )
    SCR.Execute(
      path(".target.bash"),
      Ops.add(
        Ops.add("/bin/chmod 0600 ", root),
        "/var/lib/YaST2/install.inf"
      )
    )
  end
  true
end

#serial_console ⇒ Object

running via serial console



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# File 'library/general/src/modules/Linuxrc.rb', line 118

def serial_console
  !InstallInf("Console").nil?
end

#text ⇒ Object

we're running in textmode (-> UI::GetDisplayInfo())



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# File 'library/general/src/modules/Linuxrc.rb', line 151

def text
  InstallInf("Textmode") == "1"
end

#useiscsi ⇒ Object

Returns if iSCSI has been requested in Linuxrc.



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# File 'library/general/src/modules/Linuxrc.rb', line 146

def useiscsi
  InstallInf("WithiSCSI") == "1"
end

#usessh ⇒ Object

ssh mode ? if booted with 'vnc=1 usessh=1', keep vnc mode, but start sshd if booted with 'display_ip=1.2.3.4 usessh=1', keep remote X mode, but start sshd this has to be checked by the caller, not here



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# File 'library/general/src/modules/Linuxrc.rb', line 141

def usessh
  InstallInf("UseSSH") == "1"
end

#value_for(feature_key) ⇒ String?

Returns value of a given Linxurc key/feature defined on commandline and written into install.inf

Parameters:

Returns:

  • (String, nil) —

    value of a given key or nil if not found



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# File 'library/general/src/modules/Linuxrc.rb', line 242

def value_for(feature_key)
  ReadInstallInf()
  feature_key = polish(feature_key)

  # at first check the keys in install.inf
  install_inf_key, install_inf_val = @install_inf.find { |k, _v| polish(k) == feature_key }
  return install_inf_val if install_inf_key

  # then check the command line
  ret = nil
  @install_inf.fetch("Cmdline", "").split.each do |cmdline_entry|
    key, val = cmdline_entry.split("=", 2)
    ret = val if polish(key) == feature_key
  end

  ret
end

#vnc ⇒ Object

vnc mode ?



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# File 'library/general/src/modules/Linuxrc.rb', line 128

def vnc
  InstallInf("VNC") == "1"
end

#WriteYaSTInf(linuxrc) ⇒ void

This method returns an undefined value.

Write /etc/yast.inf during installation

Parameters:

  • linuxrc (Hash{String => String}) —

    map of key value pairs for /etc/yast.inf



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# File 'library/general/src/modules/Linuxrc.rb', line 166

def WriteYaSTInf(linuxrc)
  linuxrc = deep_copy(linuxrc)
  yast_inf = ""
  Builtins.foreach(linuxrc) do |ykey, yvalue|
    yast_inf = Ops.add(
      Ops.add(Ops.add(Ops.add(yast_inf, ykey), ": "), yvalue),
      "\n"
    )
  end
  Builtins.y2milestone("WriteYaSTInf(%1) = %2", linuxrc, yast_inf)

  WFM.Write(path(".local.string"), "/etc/yast.inf", yast_inf) if !Mode.test
  nil
end