class Getch::FileSystem::Zfs::Encrypt::Config

Public Class Methods

new() click to toggle source
Calls superclass method Getch::FileSystem::Zfs::Device::new
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 6
def initialize
  super
  gen_uuid
  @root_dir = MOUNTPOINT
  @init = '/usr/lib/systemd/systemd'
  crypttab
end

Public Instance Methods

crypttab() click to toggle source
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 33
def crypttab
  datas = [
    "cryptswap PARTUUID=#{@partuuid_swap} /dev/urandom swap,discard,cipher=aes-xts-plain64:sha256,size=512"
  ]
  File.write("#{@root_dir}/etc/crypttab", datas.join("\n"))
end
fstab() click to toggle source
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 14
def fstab
  file = "#{@root_dir}/etc/fstab"
  datas = data_fstab
  File.write(file, datas.join("\n"))
end
grub() click to toggle source

See wiki.gentoo.org/wiki/ZFS#ZFS_root

# File lib/getch/filesystem/zfs/encrypt/config.rb, line 41
def grub
  return if @efi
  file = "#{@root_dir}/etc/default/grub"
  cmdline = [ 
    "GRUB_CMDLINE_LINUX=\"root=ZFS=#{@pool_name}/ROOT/#{@n} init=#{@init} dozfs keymap=#{Getch::OPTIONS[:keymap]}\""
  ]
  File.write("#{file}", cmdline.join("\n"), mode: 'a')
end
systemd_boot() click to toggle source
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 20
def systemd_boot
  return if ! @efi
  esp = '/efi'
  dir = "#{@root_dir}/#{esp}/loader/entries/"
  datas_gentoo = [
    'title Gentoo Linux',
    'linux /vmlinuz',
    'initrd /initramfs',
    "options root=ZFS=#{@pool_name}/ROOT/#{@n} init=#{@init} dozfs keymap=#{Getch::OPTIONS[:keymap]}"
  ]
  File.write("#{dir}/gentoo.conf", datas_gentoo.join("\n"))
end

Private Instance Methods

data_fstab() click to toggle source
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 57
def data_fstab
  boot_efi = @dev_esp ? "UUID=#{@uuid_esp} /efi vfat noauto,noatime 1 2" : ''
  swap = @dev_swap ? "/dev/mapper/cryptswap none swap sw 0 0" : ''

  [ boot_efi, swap ]
end
gen_uuid() click to toggle source
# File lib/getch/filesystem/zfs/encrypt/config.rb, line 52
def gen_uuid
  @partuuid_swap = Helpers::partuuid(@dev_swap)
  @uuid_esp = `lsblk -o "UUID" #{@dev_esp} | tail -1`.chomp() if @dev_esp
end