iankelling.org Git - automated-distro-installer/blob - fsf/crypt-disks-start

   1 #!/bin/bash
   2
   3 # usage: $0
   4 # this script is idempotent
   5
   6 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
   7 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
   8 set -eE -o pipefail
   9 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
  10
  11 m() { printf "%s\n" "$*";  "$@"; }
  12
  13
  14 lvs --noheadings -o vg_name,lv_name | while read -r vg lv; do
  15   if [[ ! $vg || ! $lv ]]; then
  16     continue
  17   fi
  18   if ! integritysetup dump /dev/$vg/$lv &>/dev/null; then
  19     continue
  20   fi
  21   int_name=integrity-$vg-$lv
  22   if integritysetup status $int_name &>/dev/null; then
  23     continue
  24   fi
  25   m integritysetup open --allow-discards /dev/$vg/$lv $int_name
  26 done
  27
  28 awk '$1 !~ /^ *#/ {print $1}' /etc/crypttab | while read -r c; do
  29   m cryptdisks_start $c
  30 done