ctdb/config/events.d/70.iscsi

   1 #!/bin/sh
   2 # ctdb event script for TGTD based iSCSI
   3
   4 [ -n "$CTDB_BASE" ] || \
   5     export CTDB_BASE=$(cd -P $(dirname "$0") ; dirname "$PWD")
   6
   7 . $CTDB_BASE/functions
   8
   9 service_name="iscsi"
  10
  11 loadconfig
  12
  13 ctdb_start_stop_service
  14
  15 is_ctdb_managed_service || exit 0
  16
  17 [ -z "$CTDB_START_ISCSI_SCRIPTS" ] && {
  18         echo "No iscsi start script directory found"
  19         exit 0
  20 }
  21
  22 case "$1" in
  23     ipreallocated)
  24         # block the iscsi port
  25         iptables -I INPUT 1 -p tcp --dport 3260 -j DROP
  26
  27         # shut down the iscsi service
  28         killall -9 tgtd >/dev/null 2>/dev/null
  29
  30         this_node=$(ctdb xpnn | sed -e 's@PNN:@@')
  31         if [ -z "$this_node" ] ; then
  32                 echo "Failed to get node pnn"
  33                 exit 0
  34         fi
  35
  36         # start the iscsi daemon
  37         tgtd >/dev/null 2>/dev/null
  38
  39         ips=$(ctdb -X ip | awk -F'|' -v pnn=$this_node '$3 == pnn {print $2}')
  40         for ip in $ips ; do
  41             script="${CTDB_START_ISCSI_SCRIPTS}/${ip}.sh"
  42             if [ -x "$script" ] ; then
  43                 echo "Starting iscsi service for public address ${ip}"
  44                 "$script"
  45             fi
  46         done
  47
  48         # remove all iptables rules
  49         while iptables -D INPUT -p tcp --dport 3260 -j DROP >/dev/null 2>&1 ; do
  50             :
  51         done
  52
  53         ;;
  54
  55     shutdown)
  56         # shutdown iscsi when ctdb goes down
  57         killall -9 tgtd >/dev/null 2>/dev/null
  58         ;;
  59
  60     monitor)
  61         ctdb_check_tcp_ports 3260 || exit $?
  62         ;;
  63
  64     *)
  65         ctdb_standard_event_handler "$@"
  66         ;;
  67 esac
  68
  69 exit 0