ctdb/config/events.d/10.external

   1 #!/bin/sh
   2
   3 # Eventscript for CTDB to cope with externally managed public IP addresses
   4
   5 # If DisableIPFailover is set:
   6 #
   7 # * 10.interface must be disabled.
   8 # * For connection tracking/killing to work this script must be enabled.
   9
  10 [ -n "$CTDB_BASE" ] || \
  11     CTDB_BASE=$(d=$(dirname "$0") ; cd -P "$d" ; dirname "$PWD")
  12
  13 . "${CTDB_BASE}/functions"
  14
  15 loadconfig
  16
  17 if [ -z "$CTDB_PUBLIC_ADDRESSES" ] ; then
  18     exit 0
  19 fi
  20
  21 if [ ! -f "$CTDB_PUBLIC_ADDRESSES" ] ; then
  22     if [ "$1" = "init" ]; then
  23         echo "No public addresses file found. Nothing to do for 10.interfaces.external"
  24     fi
  25     exit 0
  26 fi
  27
  28 takeover_assigned_ips ()
  29 {
  30     _pnn=$(ctdb_get_pnn)
  31
  32     $CTDB -X ip |
  33     awk -F'|' '{print $2}' |
  34     while read ip ; do
  35         _ip_details=$(ip_maskbits_iface "$ip")
  36         if [ -n "$_ip_details" ] ; then
  37             echo "Assigning $ip to this node (${_pnn})"
  38             $CTDB moveip "$ip" "$_pnn"
  39         fi
  40     done
  41 }
  42
  43 ctdb_check_args "$@"
  44
  45 case "$1" in
  46     startup)
  47         takeover_assigned_ips
  48         ;;
  49 esac
  50
  51 exit 0