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

Constructor Details

#initialize ⇒ Grub2Bls

Returns a new instance of Grub2Bls.



22
23
24
25
26
27
28
29
 
# 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.



18
19
20
 
# 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



122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
 
# File 'src/lib/bootloader/grub2bls.rb', line 122

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 "         secure boot: #{other.secure_boot}"
  log.info "         update_nvram: #{update_nvram}=>#{other.update_nvram}"
  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)
  self.secure_boot = other.secure_boot unless other.secure_boot.nil?
  self.update_nvram = other.update_nvram unless other.update_nvram.nil?

  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}"
  log.info "                secure boot: #{secure_boot}"
  log.info "                update_nvram: #{update_nvram}"
end

#name ⇒ Object

Returns bootloader name.

Returns:

  • bootloader name



46
47
48
 
# File 'src/lib/bootloader/grub2bls.rb', line 46

def name
  "grub2-bls"
end

#packages ⇒ Array<String>

Returns packages required to configure given bootloader.

Returns:

  • (Array<String>) —

    packages required to configure given bootloader



152
153
154
155
156
157
158
 
# File 'src/lib/bootloader/grub2bls.rb', line 152

def packages
  res = super
  res << ("grub2-" + grub2bls_architecture + "-efi-bls")
  res << "sdbootutil"
  res << "shim" if Systeminfo.secure_boot_supported?
  res
end

#propose ⇒ Object

Proposes new configuration



81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'src/lib/bootloader/grub2bls.rb', line 81

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
  self.secure_boot = Systeminfo.secure_boot_supported?
  @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



95
96
97
 
# File 'src/lib/bootloader/grub2bls.rb', line 95

def proposed?
  @is_proposed
end

#read ⇒ Object

reads configuration from target disk rubocop:disable Metrics/AbcSize



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'src/lib/bootloader/grub2bls.rb', line 52

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
  self.secure_boot = Systeminfo.secure_boot_active?
  self.update_nvram = Systeminfo.update_nvram_active?
  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}"
  log.info "secure boot:   #{secure_boot}"
  log.info "update nvram:   #{update_nvram}"
  @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



76
77
78
 
# File 'src/lib/bootloader/grub2bls.rb', line 76

def read?
  @is_read
end

#summary ⇒ Object

Display bootloader summary

Returns:

  • a list of summary lines



33
34
35
36
37
38
39
40
41
42
43
 
# File 'src/lib/bootloader/grub2bls.rb', line 33

def summary(*)
  result = [
    Yast::Builtins.sformat(
      _("Boot Loader Type: %1"),
      "GRUB2 BLS"
    )
  ]
  result << secure_boot_summary if Systeminfo.secure_boot_available?(name)
  result << update_nvram_summary if Systeminfo.nvram_available?(name)
  result
end

#write ⇒ Object

writes configuration to target disk



100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
 
# File 'src/lib/bootloader/grub2bls.rb', line 100

def write(*)
  # 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

  if Yast::Stage.initial # while new installation only
    Bls.install_bootloader
    Bls.create_menu_entries
    Bls.set_authentication
  else
    Bls.update_bootloader
  end
  @sections.write
  Bls.write_menu_timeout(grub_default.timeout)

  Pmbr.write_efi(pmbr_action)
end

#write_sysconfig(prewrite: false) ⇒ Object

overwrite BootloaderBase version to save secure boot



161
162
163
164
165
166
 
# File 'src/lib/bootloader/grub2bls.rb', line 161

def write_sysconfig(prewrite: false)
  sysconfig = Bootloader::Sysconfig.new(bootloader: name,
    secure_boot: secure_boot, trusted_boot: false,
    update_nvram: update_nvram)
  prewrite ? sysconfig.pre_write : sysconfig.write
end