modules.d/90dmraid/module-setup.sh

   1 #!/bin/bash
   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 check() {
   6     local _rootdev
   7     # if we don't have dmraid installed on the host system, no point
   8     # in trying to support it in the initramfs.
   9     type -P dmraid >/dev/null || return 1
  10
  11     . $dracutfunctions
  12     [[ $debug ]] && set -x
  13
  14     check_dmraid() {
  15         local dev=$1 fs=$2 holder DEVPATH DM_NAME
  16         [[ "$fs" = "${fs%%_raid_member}" ]] && return 1
  17
  18         DEVPATH=$(udevadm info --query=property --name=$dev \
  19             | while read line; do
  20                 [[ ${line#DEVPATH} = $line ]] && continue
  21                 eval "$line"
  22                 echo $DEVPATH
  23                 break
  24                 done)
  25         for holder in /sys/$DEVPATH/holders/*; do
  26             [[ -e $holder ]] || continue
  27             DM_NAME=$(udevadm info --query=property --path=$holder \
  28                 | while read line; do
  29                     [[ ${line#DM_NAME} = $line ]] && continue
  30                     eval "$line"
  31                     echo $DM_NAME
  32                     break
  33                     done)
  34         done
  35
  36         [[ ${DM_NAME} ]] || return 1
  37         if ! [[ $kernel_only ]]; then
  38             echo " rd.dm.uuid=${DM_NAME} " >> "${initdir}/etc/cmdline.d/90dmraid.conf"
  39         fi
  40         return 0
  41     }
  42
  43     [[ $hostonly ]] || [[ $mount_needs ]] && {
  44         for_each_host_dev_fs check_dmraid || return 1
  45     }
  46
  47     return 0
  48 }
  49
  50 depends() {
  51     echo dm rootfs-block
  52     return 0
  53 }
  54
  55 install() {
  56     local _i
  57     dracut_install dmraid partx kpartx
  58
  59     inst "$moddir/dmraid.sh" /sbin/dmraid_scan
  60
  61     if [ ! -x /lib/udev/vol_id ]; then
  62         inst_rules 64-md-raid.rules
  63     fi
  64
  65     inst_libdir_file "libdmraid-events*.so*"
  66
  67     inst_rules "$moddir/61-dmraid-imsm.rules"
  68     #inst "$moddir/dmraid-cleanup.sh" /sbin/dmraid-cleanup
  69     inst_hook pre-trigger 30 "$moddir/parse-dm.sh"
  70 }