etc/init.d/zfs-zed.in

   1 #!@SHELL@
   2 #
   3 # zfs-zed
   4 #
   5 # chkconfig:    2345 29 99
   6 # description:  This script will start and stop the ZFS Event Daemon.
   7 # probe: true
   8 #
   9 ### BEGIN INIT INFO
  10 # Provides:          zfs-zed
  11 # Required-Start:    zfs-mount
  12 # Required-Stop:     zfs-mount
  13 # Default-Start:     2 3 4 5
  14 # Default-Stop:      0 1 6
  15 # X-Stop-After:      zfs-share
  16 # Short-Description: ZFS Event Daemon
  17 # Description:       zed monitors ZFS events. When a zevent is posted, zed
  18 #                    will run any scripts that have been enabled for the
  19 #                    corresponding zevent class.
  20 ### END INIT INFO
  21 #
  22 # Released under the 2-clause BSD license.
  23 #
  24 # The original script that acted as a template for this script came from
  25 # the Debian GNU/Linux kFreeBSD ZFS packages (which did not include a
  26 # licensing stansa) in the commit dated Mar 24, 2011:
  27 #   https://github.com/zfsonlinux/pkg-zfs/commit/80a3ae582b59c0250d7912ba794dca9e669e605a
  28
  29 # Source the common init script
  30 . @sysconfdir@/zfs/zfs-functions
  31
  32 ZED_NAME="zed"
  33 ZED_PIDFILE="@runstatedir@/$ZED_NAME.pid"
  34
  35 extra_started_commands="reload"
  36
  37 # Exit if the package is not installed
  38 [ -x "$ZED" ] || exit 0
  39
  40 # ----------------------------------------------------
  41
  42 do_depend()
  43 {
  44         after zfs-mount localmount
  45 }
  46
  47 do_start()
  48 {
  49         check_module_loaded "zfs" || exit 0
  50
  51         ZED_ARGS="$ZED_ARGS -p $ZED_PIDFILE"
  52
  53         zfs_action "Starting ZFS Event Daemon" zfs_daemon_start \
  54             "$ZED_PIDFILE" "$ZED" "$ZED_ARGS"
  55         return "$?"
  56 }
  57
  58 do_stop()
  59 {
  60         local pools RET
  61         check_module_loaded "zfs" || exit 0
  62
  63         zfs_action "Stopping ZFS Event Daemon" zfs_daemon_stop \
  64            "$ZED_PIDFILE" "$ZED" "$ZED_NAME"
  65         if [ "$?" -eq "0" ]
  66         then
  67                 # Let's see if we have any pools imported
  68                 pools=$("$ZPOOL" list -H -oname)
  69                 if [ -z "$pools" ]
  70                 then
  71                         # No pools imported, it is/should be safe/possible to
  72                         # unload modules.
  73                         zfs_action "Unloading modules" rmmod zfs zunicode \
  74                             zavl zcommon znvpair spl
  75                         return "$?"
  76                 fi
  77         else
  78                 return "$?"
  79         fi
  80 }
  81
  82 do_status()
  83 {
  84         check_module_loaded "zfs" || exit 0
  85
  86         zfs_daemon_status "$ZED_PIDFILE" "$ZED" "$ZED_NAME"
  87         return "$?"
  88 }
  89
  90 do_reload()
  91 {
  92         check_module_loaded "zfs" || exit 0
  93
  94         zfs_action "Reloading ZFS Event Daemon" zfs_daemon_reload \
  95             "$ZED_PIDFILE" "$ZED_NAME"
  96         return "$?"
  97 }
  98
  99 # ----------------------------------------------------
 100
 101 if [ ! -e /sbin/openrc-run ]; then
 102         case "$1" in
 103                 start)
 104                         do_start
 105                         ;;
 106                 stop)
 107                         do_stop
 108                         ;;
 109                 status)
 110                         do_status
 111                         ;;
 112                 reload|force-reload)
 113                         do_reload
 114                         ;;
 115                 restart)
 116                         do_stop
 117                         do_start
 118                         ;;
 119                 *)
 120                         [ -n "$1" ] && echo "Error: Unknown command $1."
 121                         echo "Usage: $0 {start|stop|status|reload|restart}"
 122                         exit 1
 123                         ;;
 124         esac
 125
 126         exit $?
 127 else
 128         # Create wrapper functions since Gentoo don't use the case part.
 129         depend() { do_depend; }
 130         start() { do_start; }
 131         stop() { do_stop; }
 132         status() { do_status; }
 133         reload() { do_reload; }
 134 fi