modules.d/90crypt/crypt-run-generator.sh

   1 #!/bin/sh
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4
   5 . /lib/dracut-lib.sh
   6
   7 dev=$1
   8 luks=$2
   9
  10 if [ -f /etc/crypttab ]; then
  11     while read l d rest; do
  12         strstr "${l##luks-}" "${luks##luks-}" && exit 0
  13         strstr "$d" "${luks##luks-}" && exit 0
  14     done < /etc/crypttab
  15 fi
  16
  17 allowdiscards="-"
  18
  19 # parse for allow-discards
  20 if strstr "$(cryptsetup --help)" "allow-discards"; then
  21     if discarduuids=$(getargs "rd.luks.allow-discards"); then
  22         discarduuids=$(str_replace "$discarduuids" 'luks-' '')
  23         if strstr " $discarduuids " " ${luks##luks-}"; then
  24             allowdiscards="allow-discards"
  25         fi
  26     elif getargbool 0 rd.luks.allow-discards; then
  27         allowdiscards="allow-discards"
  28     fi
  29 fi
  30
  31 echo "$luks $dev - timeout=0,$allowdiscards" >> /etc/crypttab
  32
  33 if command -v systemctl >/dev/null; then
  34     systemctl daemon-reload
  35     systemctl start cryptsetup.target
  36 fi
  37 exit 0