Class: Bootloader::Grub2Bls

Inherits:
Grub2Base show all
Includes:
Yast::I18n, Yast::Logger
Defined in:
src/lib/bootloader/grub2bls.rb

Overview

Represents grub2 bls bootloader with efi target

Constant Summary collapse

CMDLINE = 
"/etc/kernel/cmdline"

Instance Attribute Summary collapse

Attributes inherited from Grub2Base

#console, #grub_default, #password, #pmbr_action, #secure_boot, #stage1, #trusted_boot, #update_nvram

Instance Method Summary collapse

Methods inherited from Grub2Base

#cpu_mitigations, #cpu_mitigations=, #disable_serial_console, #enable_serial_console, #explicit_cpu_mitigations, #include_os_prober_package?, #serial_console?

Methods inherited from BootloaderBase

#prepare, #write_sysconfig

Constructor Details

#initialize ⇒ Grub2Bls

Returns a new instance of Grub2Bls.


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# File 'src/lib/bootloader/grub2bls.rb', line 22

def initialize
  super
  textdomain "bootloader"

  @sections = ::Bootloader::BlsSections.new
  @is_read = false
  @is_proposed = false
end

Instance Attribute Details

#sections ⇒ Object (readonly)

Returns the value of attribute sections.


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# File 'src/lib/bootloader/grub2bls.rb', line 18

def sections
  @sections
end

Instance Method Details

#merge(other) ⇒ Object

merges other bootloader configuration into this one. It have to be same bootloader type. rubocop:disable Metrics/AbcSize


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# File 'src/lib/bootloader/grub2bls.rb', line 108

def merge(other)
  raise "Invalid merge argument #{other.name} for #{name}" if name != other.name

  log.info "merging: timeout: #{grub_default.timeout}=>#{other.grub_default.timeout}"
  log.info "         mitigations: #{cpu_mitigations.to_human_string}=>" \
           "#{other.cpu_mitigations.to_human_string}"
  log.info "         pmbr_action: #{pmbr_action}=>#{other.pmbr_action}"
  log.info "         grub_default.kernel_params: #{grub_default.kernel_params.serialize}=>" \
           "#{other.grub_default.kernel_params.serialize}"
  log.info "         grub_default.kernel_params: #{grub_default.kernel_params.serialize}=>" \
           "#{other.grub_default.kernel_params.serialize}"

  merge_sections(other)
  merge_grub_default(other)
  merge_pmbr_action(other)

  log.info "merging result: timeout: #{grub_default.timeout}"
  log.info "                mitigations: #{cpu_mitigations.to_human_string}"
  log.info "                kernel_params: #{grub_default.kernel_params.serialize}"
  log.info "                pmbr_action: #{pmbr_action}"
end

#name ⇒ Object

Returns bootloader name.

Returns:

  • bootloader name


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# File 'src/lib/bootloader/grub2bls.rb', line 43

def name
  "grub2-bls"
end

#packages ⇒ Array<String>

Returns packages required to configure given bootloader.

Returns:

  • (Array<String>) —

    packages required to configure given bootloader


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# File 'src/lib/bootloader/grub2bls.rb', line 132

def packages
  res = super
  res << ("grub2-" + grub2bls_architecture + "-efi-bls")
  res << "sdbootutil"
  res
end

#propose ⇒ Object

Proposes new configuration


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# File 'src/lib/bootloader/grub2bls.rb', line 72

def propose
  log.info("Propose settings...")
  if grub_default.kernel_params.empty?
    kernel_line = Yast::BootArch.DefaultKernelParams(Yast::BootStorage.propose_resume)
    grub_default.kernel_params.replace(kernel_line)
  end
  grub_default.timeout = Yast::ProductFeatures.GetIntegerFeature("globals", "boot_timeout").to_i
  @is_proposed = true
  # for UEFI always remove PMBR flag on disk (bnc#872054)
  self.pmbr_action = :remove
end

#proposed? ⇒ Boolean

Returns true if configuration is already proposed.

Returns:

  • (Boolean) —

    true if configuration is already proposed


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# File 'src/lib/bootloader/grub2bls.rb', line 85

def proposed?
  @is_proposed
end

#read ⇒ Object

reads configuration from target disk


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# File 'src/lib/bootloader/grub2bls.rb', line 48

def read
  @sections.read
  grub_default.timeout = Bls.menu_timeout
  log.info "Boot timeout: #{grub_default.timeout}"
  lines = ""
  filename = File.join(Yast::Installation.destdir, CMDLINE)
  if File.exist?(filename)
    File.open(filename).each do |line|
      lines = + line
    end
  end
  grub_default.kernel_params.replace(lines)
  log.info "kernel params: #{grub_default.kernel_params}"
  log.info "bls sections: #{@sections.all}"
  log.info "bls default:  #{@sections.default}"
  @is_read = true # flag that settings has been read
end

#read? ⇒ Boolean

Returns true if configuration is already read.

Returns:

  • (Boolean) —

    true if configuration is already read


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# File 'src/lib/bootloader/grub2bls.rb', line 67

def read?
  @is_read
end

#summary ⇒ Object

Display bootloader summary

Returns:

  • a list of summary lines


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# File 'src/lib/bootloader/grub2bls.rb', line 33

def summary(*)
  [
    Yast::Builtins.sformat(
      _("Boot Loader Type: %1"),
      "GRUB2 BLS"
    )
  ]
end

#write ⇒ Object

writes configuration to target disk


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# File 'src/lib/bootloader/grub2bls.rb', line 90

def write(*)
  Bls.install_bootloader if Yast::Stage.initial # while new installation only (currently)
  Bls.create_menu_entries
  Bls.install_bootloader
  @sections.write
  Bls.write_menu_timeout(grub_default.timeout)

  # writing kernel parameter to /etc/kernel/cmdline
  File.open(File.join(Yast::Installation.destdir, CMDLINE), "w+") do |fw|
    fw.puts(grub_default.kernel_params.serialize)
  end

  Pmbr.write_efi(pmbr_action)
end