debian/smartmontools.init

   1 #!/bin/sh -e
   2 #
   3 # smartmontools init.d startup script
   4 #
   5 # (C) 2003,04,07 Guido Günther <agx@sigxcpu.org>
   6 #
   7 # loosely based on the init script that comes with smartmontools which is
   8 # copyrighted 2002 by Bruce Allen <smartmontools-support@lists.sourceforge.net>
   9 #
  10 ### BEGIN INIT INFO
  11 # Provides:          smartmontools
  12 # Required-Start:    $syslog $remote_fs
  13 # Required-Stop:     $syslog $remote_fs
  14 # Default-Start:     2 3 4 5
  15 # Default-Stop:      1
  16 # Short-Description: SMART monitoring daemon
  17 ### END INIT INFO
  18
  19 SMARTCTL=/usr/sbin/smartctl
  20 DAEMON=/usr/sbin/smartd
  21 PIDFILE=/var/run/smartd.pid
  22 [ -x $SMARTCTL ] || exit 0
  23 [ -x $DAEMON ] || exit 0
  24 . /lib/lsb/init-functions
  25
  26 RET=0
  27
  28 [ -r /etc/default/rcS ] && . /etc/default/rcS
  29 [ -r /etc/default/smartmontools ] && . /etc/default/smartmontools
  30
  31 smartd_opts="--pidfile $PIDFILE $smartd_opts"
  32
  33 enable_smart() {
  34   log_action_begin_msg "Enabling S.M.A.R.T."
  35   for device in $enable_smart; do
  36       log_action_cont_msg "$device"
  37       if ! $SMARTCTL --quietmode=errorsonly --smart=on $device; then
  38           log_action_cont_msg "(failed)"
  39           RET=2
  40       fi
  41   done
  42   log_action_end_msg 0
  43 }
  44
  45 check_start_smartd_option() {
  46   if [ ! "$start_smartd" = "yes" ]; then
  47     [ "$VERBOSE" = "yes" ] && log_warning_msg "Not starting S.M.A.R.T. daemon smartd, disabled via /etc/default/smartmontools"
  48     return 1
  49   else
  50     return 0
  51   fi
  52 }
  53
  54 running_pid()
  55 {
  56     # Check if a given process pid's cmdline matches a given name
  57     pid=$1
  58     name=$2
  59     [ -z "$pid" ] && return 1
  60     [ ! -d /proc/$pid ] &&  return 1
  61     cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1`
  62     # Is this the expected child?
  63     [ "$cmd" != "$name" ] &&  return 1
  64     return 0
  65 }
  66
  67 running()
  68 {
  69 # Check if the process is running looking at /proc
  70 # (works for all users)
  71     # No pidfile, probably no daemon present
  72     [ ! -f "$PIDFILE" ] && return 1
  73     # Obtain the pid and check it against the binary name
  74     pid=`cat $PIDFILE`
  75     running_pid $pid $DAEMON || return 1
  76     return 0
  77 }
  78
  79 case "$1" in
  80   start)
  81         [ -n "$enable_smart" ] && enable_smart
  82         if check_start_smartd_option; then
  83
  84             log_daemon_msg "Starting S.M.A.R.T. daemon" "smartd"
  85             if running; then
  86                 log_progress_msg "already running"
  87                 log_end_msg 0
  88                 exit 0
  89             fi
  90             rm -f $PIDFILE
  91             if start-stop-daemon --start --quiet --pidfile $PIDFILE \
  92                         --exec $DAEMON -- $smartd_opts; then
  93                 log_end_msg 0
  94             else
  95                 log_end_msg 1
  96                 RET=1
  97             fi
  98         fi
  99         ;;
 100   stop)
 101         log_daemon_msg "Stopping S.M.A.R.T. daemon" "smartd"
 102         start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
 103         log_end_msg 0
 104         ;;
 105   reload|force-reload)
 106           log_daemon_msg "Reloading S.M.A.R.T. daemon" "smartd"
 107         if start-stop-daemon --stop --quiet --signal 1 \
 108                         --pidfile $PIDFILE; then
 109             log_end_msg 0
 110         else
 111             log_end_msg 1
 112             RET=1
 113         fi
 114           ;;
 115   restart)
 116         if check_start_smartd_option; then
 117             log_daemon_msg "Restarting S.M.A.R.T. daemon" "smartd"
 118             start-stop-daemon --stop --quiet --oknodo --retry 30 --pidfile $PIDFILE
 119             rm -f $PIDFILE
 120             if start-stop-daemon --start --quiet --pidfile $PIDFILE \
 121                         --exec $DAEMON -- $smartd_opts; then
 122                 log_end_msg 0
 123             else
 124                 log_end_msg 1
 125                 RET=1
 126             fi
 127         fi
 128         ;;
 129   status)
 130         status_of_proc $DAEMON smartd && exit 0 || exit $?
 131         ;;
 132   *)
 133         echo "Usage: /etc/init.d/smartmontools {start|stop|restart|reload|force-reload|status}"
 134         exit 1
 135 esac
 136
 137 exit $RET