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|
#!/bin/sh
# ctdb event script for TGTD based iSCSI
[ -n "$CTDB_BASE" ] || \
export CTDB_BASE=$(cd -P $(dirname "$0") ; dirname "$PWD")
. $CTDB_BASE/functions
service_name="iscsi"
loadconfig
ctdb_start_stop_service
is_ctdb_managed_service || exit 0
[ -z "$CTDB_START_ISCSI_SCRIPTS" ] && {
echo "No iscsi start script directory found"
exit 0
}
case "$1" in
ipreallocated)
# block the iscsi port
iptables -I INPUT 1 -p tcp --dport 3260 -j DROP
# shut down the iscsi service
killall -9 tgtd >/dev/null 2>/dev/null
this_node=$(ctdb xpnn | sed -e 's@PNN:@@')
if [ -z "$this_node" ] ; then
echo "Failed to get node pnn"
exit 0
fi
# start the iscsi daemon
tgtd >/dev/null 2>/dev/null
ips=$(ctdb -Y ip | awk -F: -v pnn=$this_node '$3 == pnn {print $2}')
for ip in $ips ; do
script="${CTDB_START_ISCSI_SCRIPTS}/${ip}.sh"
if [ -x "$script" ] ; then
echo "Starting iscsi service for public address ${ip}"
"$script"
fi
done
# remove all iptables rules
while iptables -D INPUT -p tcp --dport 3260 -j DROP >/dev/null 2>&1 ; do
:
done
;;
shutdown)
# shutdown iscsi when ctdb goes down
killall -9 tgtd >/dev/null 2>/dev/null
;;
monitor)
ctdb_check_tcp_ports 3260 || exit $?
;;
*)
ctdb_standard_event_handler "$@"
;;
esac
exit 0
|
