Puppet module for managing GRUB2
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README.md

puppet-grub2

Build Status Puppet Forge License

This module manages GRUB 2 bootloader

Supported distributions

  • Ubuntu
  • Debian
  • Red Hat
  • CentOS
  • Gentoo
  • SLES / OpenSuse
  • Arch Linux

Parameters

background_image

  • Specify a path to a background image
  • STRING : Empty by default

badram

  • Define some memory addresses for BadRAM filtering
  • STRING : Empty by default

config_template

  • Template used for GRUB config file
  • STRING : 'grub2/default_grub.erb'

cmdline_linux

  • Arguments passed to the kernel
  • STRING : Empty by default

cmdline_linux_default

  • Arguments passed to the kernel
  • STRING : 'quiet'

cmdline_linux_recovery

  • Arguments passed to the kernel
  • STRING : Empty by default

cmdline_xen

  • Arguments passed to Xen
  • STRING : Empty by default

default_entry

  • Define on which kernel the system will boot
  • STRING : '0'

device_install

  • Define on which hard drive the MBR will be write
  • ARRAY : Empty by default

disable_uuid

  • Define if GRUB should use the UUID in the root= path
  • BOOL : false

disable_os_prober

  • Define if GRUB should add the results of os-prober to the menu
  • BOOL : false

disable_recovery

  • Define if GRUB should display the recovery entry in the menu
  • BOOL : false

disable_submenu

  • Define if GRUB should display the submenu
  • BOOL : false

enable_cryptodisk

  • Define if GRUB should check for encrypted disks and generate additional commands needed to access them during boot
  • BOOL : false

gfxmode

  • Define which resolution should be used if VBE is used
  • STRING : Empty by default

hidden_timeout

  • Define how long (in seconds) grub should wait for a user to enter the menu
  • STRING : Not present in config file by default

hidden_timeout_quiet

  • Define if the hidden timeout is quiet or not
  • BOOL : false

install_binary

  • Path to GRUB installation command
  • ABSOLUTE_PATH : Value depends on Linux distribution

update_binary

  • Path to GRUB configuration file update command
  • ABSOLUTE_PATH : Value depends on Linux distribution

install_grub

  • Install the GRUB packages and install GRUB in the MBR
  • BOOL : false

package_ensure

  • Puppet stuff, define in which state should be the GRUB packages
  • STRING : 'present'

password

  • Enable password to protect the GRUB configuration
  • BOOL : false

password_username

  • Set the username that will be able to edit the GRUB configuration
  • STRING : Empty by default

password_pbkdf2_hash

  • Set PBKDF2 password hash generated via grub-mkpasswd-pbkdf2 or grub2-mkpasswd-pbkdf2 commands
  • STRING : Empty by default

preload_modules

  • Preload additional modules
  • STRING : Empty by default

recordfail_timeout

  • Set default timeout value for GRUB2. Useful to stop headless machines stalling during boot.
  • INTEGER : 5

save_default

  • If true, the last selected entry will become the new default one GRUB_DEFAULT should be set to "saved" and not to 0
  • BOOL : false

serial_command

  • Set settings for the serial console
  • STRING : Empty by default

suse_btrfs_snapshot_booting

  • Whether the root disk is a btrfs snapshot or not
  • BOOL : false

terminal

  • Define on which terminal the ouput should be display
  • STRING : Empty by default

timeout

  • Define how long (in seconds) that the menu should appear
  • INTEGER : 5

tune

  • Define if GRUB should make a beep when he starts
  • STRING : Empty by default

update_grub

  • Regenerate the GRUB configuration after updates
  • BOOL : true

Example

    class { 'grub2':
      update_grub               => false,
      install_grub              => false,
      cmdline_linux_default     => 'quiet crashkernel=256M nmi_watchdog=0 console=tty0 console=ttyS1,115200n8',
      terminal                  => 'serial console',
      default_entry             => 0,
      timeout                   => 5,
      serial_command            => 'serial --speed=115200 --unit=1 --word=8 --parity=no --stop=1',
      disable_uuid              => true,
      disable_recovery          => true,
      tune                      => '480 440 1',
      device_install            => ['/dev/sda'],
      hidden_timeout            => 0,
      hidden_timeout_quiet      => false,
      recordfail_timeout        => 5,
      password                  => true,
      password_username         => 'chewbacca',
      password_pbkdf2_hash      => 'grub.pbkdf2.sha512.10000.EDBE1B820072D36A7B0059C7C33A2AA8B9D60888B0A44E7A566CB92E35F16A0F20770E79FB2E283680715ED916498D59B72F02599B461E4A087704E5E8A2A92D.911F2E7867A16DE76C170AD6E1C14D3F0AE2B7E1B58D1D967F98CEC9F2C2EAF7397ADE15CFB661CA94F6B7963A9C98BEFFB3026A4285FC04DB9F4118BDA39D58',
    }

Hiera support

This module also supports the configuration of the parameters it exposes using Hiera. You can do this by namespacing around grub2. For instance, to set the value of timeout to 10, you would use something like that in your Hiera files:

grub2::timeout: 10