master/etc/init.d/checkudevrules

   1 #!/bin/bash
   2 VER=1.0
   3 # ============================================================================
   4 #
   5 # Copyright (C) THALES. All rights reserved
   6 # Author: Laurent Mazet
   7 # Date : 15/12/2014
   8 # ============================================================================
   9
  10 ### BEGIN INIT INFO
  11 # Provides:          checkudevrules
  12 # Required-Start:    udev checkroot
  13 # Required-Stop:
  14 # Should-Start:
  15 # Default-Start:     S
  16 # Default-Stop:
  17 # Short-Description: Check udev rules
  18 # Description:       Check udev rules files (70-persistent-*.rules) and reboot if necessary
  19 ### END INIT INFO
  20
  21 FILES="/etc/udev/rules.d/70-persistent-{cd,net}.rules"
  22 ENABLE="yes"
  23 ETHx=eth0
  24
  25 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  26
  27 [ -f /etc/default/checkudevrules ] && . /etc/default/checkudevrules
  28 [ "$ENABLE" = "yes" ] || exit 0
  29
  30 . /lib/lsb/init-functions
  31
  32 do_check () {
  33
  34     log_action_msg "Check if $ETHx exists..."
  35
  36     if ip link show $ETHx >&/dev/null; then
  37         log_action_msg "Continue booting"
  38     else
  39         log_action_msg "Erase udev rules and reboot"
  40         eval rm -f $FILES
  41         reboot
  42     fi
  43 }
  44
  45 case "$1" in
  46     -v)
  47         echo "$(basename $0), version $VER"
  48         ;;
  49     start)
  50         do_check
  51         ;;
  52     restart|reload|force-reload|stop)
  53         echo "Error: argument '$1' not supported" >&2
  54         exit 3
  55         ;;
  56     *)
  57         echo "Usage: $0 start" >&2
  58         exit 3
  59         ;;
  60 esac
  61
  62 # vim:set tabstop=4 expandtab shiftwidth=4: