Class: Bootloader::Sysconfig

Inherits:
Object
  • Object
show all
Includes:
Yast::Logger
Defined in:
src/lib/bootloader/sysconfig.rb

Overview

Represents sysconfig file for bootloader usually located in /etc/sysconfig/bootloader

Constant Summary

AGENT_PATH =
Yast::Path.new(".sysconfig.bootloader")
ATTR_VALUE_MAPPING =
{
  bootloader:   "LOADER_TYPE",
  secure_boot:  "SECURE_BOOT",
  trusted_boot: "TRUSTED_BOOT"
}.freeze
PROPOSED_COMMENTS =
{
  bootloader:   "\n" \
    "## Path:\tSystem/Bootloader\n" \
    "## Description:\tBootloader configuration\n" \
    "## Type:\tlist(grub,grub2,grub2-efi,none)\n" \
    "## Default:\tgrub2\n" \
    "#\n" \
    "# Type of bootloader in use.\n" \
    "# For making the change effect run bootloader configuration tool\n" \
    "# and configure newly selected bootloader\n" \
    "#\n" \
    "#\n",

  secure_boot:  "\n" \
    "## Path:\tSystem/Bootloader\n" \
    "## Description:\tBootloader configuration\n" \
    "## Type:\tyesno\n" \
    "## Default:\t\"no\"\n" \
    "#\n" \
    "# Enable UEFI Secure Boot support\n" \
    "# This setting is only relevant to UEFI which supports Secure Boot. It won't\n" \
    "# take effect on any other firmware type.\n" \
    "#\n" \
    "#\n",

  trusted_boot: "\n" \
    "## Path:\tSystem/Bootloader\n" \
    "## Description:\tBootloader configuration\n" \
    "## Type:\tyesno\n" \
    "## Default:\t\"no\"\n" \
    "#\n" \
    "# Enable Trusted Boot support\n" \
    "# Only available for legacy (non-UEFI) boot.\n" \
    "#\n"
}.freeze

Instance Attribute Summary (collapse)

Class Method Summary (collapse)

Instance Method Summary (collapse)

Constructor Details

- (Sysconfig) initialize(bootloader: nil, secure_boot: false, trusted_boot: false)

Returns a new instance of Sysconfig



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# File 'src/lib/bootloader/sysconfig.rb', line 23

def initialize(bootloader: nil, secure_boot: false, trusted_boot: false)
  @sys_agent = AGENT_PATH
  @bootloader = bootloader
  @secure_boot = secure_boot
  @trusted_boot = trusted_boot
end

Instance Attribute Details

- (Object) bootloader

specifies bootloader in sysconfig



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# File 'src/lib/bootloader/sysconfig.rb', line 17

def bootloader
  @bootloader
end

- (Boolean) secure_boot

Returns if secure boot should be used

Returns:

  • (Boolean)

    if secure boot should be used



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# File 'src/lib/bootloader/sysconfig.rb', line 19

def secure_boot
  @secure_boot
end

- (Boolean) trusted_boot

Returns if trusted boot should be used

Returns:

  • (Boolean)

    if trusted boot should be used



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# File 'src/lib/bootloader/sysconfig.rb', line 21

def trusted_boot
  @trusted_boot
end

Class Method Details

+ (Object) from_system



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# File 'src/lib/bootloader/sysconfig.rb', line 30

def self.from_system
  bootloader = Yast::SCR.Read(AGENT_PATH + "LOADER_TYPE")
  # propose secure boot always to true (bnc#872054), otherwise respect user choice
  # but only on architectures that support it (bnc#984895)
  secure_boot = if Yast::Arch.x86_64 || Yast::Arch.i386
    Yast::SCR.Read(AGENT_PATH + "SECURE_BOOT") != "no"
  else
    false
  end

  trusted_boot = Yast::SCR.Read(AGENT_PATH + "TRUSTED_BOOT") == "yes"

  new(bootloader: bootloader, secure_boot: secure_boot, trusted_boot: trusted_boot)
end

Instance Method Details

- (Object) pre_write

Specialized write before rpm install, that do not have switched SCR and work on blank system



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# File 'src/lib/bootloader/sysconfig.rb', line 47

def pre_write
  ensure_file_exists_in_target
  temporary_target_agent do
    write
  end
end

- (Object) write



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# File 'src/lib/bootloader/sysconfig.rb', line 90

def write
  log.info "Saving /etc/sysconfig/bootloader for #{bootloader}"

  write_option(:bootloader, bootloader)

  sb = secure_boot ? "yes" : "no"
  write_option(:secure_boot, sb)

  tb = trusted_boot ? "yes" : "no"
  write_option(:trusted_boot, tb)

  # flush write
  Yast::SCR.Write(sys_agent, nil)

  nil
end