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#!@SHELL@
#
# zfs-zed
#
# chkconfig: 2345 01 99
# description: This script will start and stop the ZFS Event Daemon.
# probe: true
#
### BEGIN INIT INFO
# Provides: zfs-zed
# Required-Start: mtab
# Required-Stop: $local_fs mtab
# Default-Start: S
# Default-Stop: 0 1 6
# X-Start-Before: checkfs
# X-Stop-After: zfs-import
# Short-Description: ZFS Event Daemon
# Description: zed monitors ZFS events. When a zevent is posted, zed
# will run any scripts that have been enabled for the
# corresponding zevent class.
### END INIT INFO
#
# NOTE: Not having '$local_fs' on Required-Start but only on Required-Stop
# is on purpose. If we have '$local_fs' in both (and X-Start-Before=checkfs)
# we get conflicts - zed and import needs to be started extremely early,
# but not stopped too late.
#
# Released under the 2-clause BSD license.
#
# The original script that acted as a template for this script came from
# the Debian GNU/Linux kFreeBSD ZFS packages (which did not include a
# licensing stansa) in the commit dated Mar 24, 2011:
# https://github.com/zfsonlinux/pkg-zfs/commit/80a3ae582b59c0250d7912ba794dca9e669e605a
# Source the common init script
. @sysconfdir@/zfs/zfs-functions
ZED_NAME="zed"
ZED_PIDFILE="@runstatedir@/$ZED_NAME.pid"
# Exit if the package is not installed
[ -x "$ZED" ] || exit 0
# ----------------------------------------------------
do_depend()
{
before zfs-import
after sysfs
}
do_start()
{
check_module_loaded "zfs" || exit 0
ZED_ARGS="$ZED_ARGS -p $ZED_PIDFILE"
zfs_action "Starting ZFS Event Daemon" zfs_daemon_start \
"$ZED_PIDFILE" "$ZED" "$ZED_ARGS"
return "$?"
}
do_stop()
{
local pools RET
check_module_loaded "zfs" || exit 0
zfs_action "Stopping ZFS Event Daemon" zfs_daemon_stop \
"$ZED_PIDFILE" "$ZED" "$ZED_NAME"
if [ "$?" -eq "0" ]
then
# Let's see if we have any pools imported
pools=$("$ZPOOL" list -H -oname)
if [ -z "$pools" ]
then
# No pools imported, it is/should be safe/possible to
# unload modules.
zfs_action "Unloading modules" rmmod zfs zunicode \
zavl zcommon znvpair spl
return "$?"
fi
else
return "$?"
fi
}
do_status()
{
check_module_loaded "zfs" || exit 0
zfs_daemon_status "$ZED_PIDFILE" "$ZED" "$ZED_NAME"
return "$?"
}
do_reload()
{
check_module_loaded "zfs" || exit 0
zfs_action "Reloading ZFS Event Daemon" zfs_daemon_reload \
"$ZED_PIDFILE" "$ZED_NAME"
return "$?"
}
# ----------------------------------------------------
if [ ! -e /etc/gentoo-release ]; then
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
status)
do_status
;;
reload|force-reload)
do_reload
;;
restart)
do_stop
do_start
;;
*)
[ -n "$1" ] && echo "Error: Unknown command $1."
echo "Usage: $0 {start|stop|status|reload|restart}"
exit 1
;;
esac
exit $?
else
# Create wrapper functions since Gentoo don't use the case part.
depend() { do_depend; }
start() { do_start; }
stop() { do_stop; }
status() { do_status; }
reload() { do_reload; }
fi
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