events: add updateip event to 13.per_ip_routing

metze

diff --git a/config/events.d/13.per_ip_routing b/config/events.d/13.per_ip_routing
index 0dba020d57cd26fb73d9708ad6ed00ed03a29922..a9fe6cf6d68906db6f6c8cad74c59ca2c3158617 100755 (executable)
--- a/config/events.d/13.per_ip_routing
+++ b/config/events.d/13.per_ip_routing
@@ -330,6 +330,66 @@ case "$1" in
 
        ;;
 
+     ################################################
+     # called when ctdbd wants to claim an IP address
+     updateip)
+       if [ $# != 5 ]; then
+          echo "must supply old interface, new interface, IP and maskbits"
+          exit 1
+       fi
+       oiface=$2
+       niface=$3
+       ip=$4
+       maskbits=$5
+
+       ipv4_is_valid_addr $ip || {
+               echo "$0: $1 not an ipv4 address skipping IP:$ip"
+               exit 0;
+       }
+
+       [ ! -d "$CTDB_PER_IP_ROUTING_STATE" ] && {
+               echo "$0: $1 No state directory found, waiting for startup."
+               exit 0;
+       }
+
+       generate_per_ip_routing $ip $maskbits $niface "no" || {
+               echo "$0: $1: generate_per_ip_routing $ip $maskbits $niface no - failed"
+               exit 1;
+       }
+
+       config=`cat $CTDB_PER_IP_ROUTING_CONF`
+       lines=`echo -n "$config" | grep -n "^$ip " | cut -d ':' -f1 | xargs`
+
+       pref="$CTDB_PER_IP_ROUTING_RULE_PREF"
+
+       test -n "$lines" && {
+               echo "ip rule del from $ip pref $pref table $table_id" >> $release_script
+               echo "ip route flush table $table_id 2>/dev/null" >> $release_script
+
+               ip rule del from $ip pref $pref 2>/dev/null
+               ip rule add from $ip pref $pref table $table_id
+               ip route flush table $table_id 2>/dev/null
+       }
+       for l in $lines; do
+               line=`echo -n "$config" | head -n $l | tail -n 1`
+               dest=`echo -n "$line" | cut -d ' ' -f 2`
+               gw=`echo -n "$line" | cut -d ' ' -f 3`
+
+               via=""
+               test -n "$gw" && {
+                       via="via $gw"
+               }
+
+               ip route add $dest $via dev $niface table $table_id
+       done
+
+       # flush our route cache
+       echo 1 > /proc/sys/net/ipv4/route/flush
+
+       ctdb gratiousarp $ip $niface
+       tickle_tcp_connections $ip
+
+       ;;
 
      ##################################################
      # called when ctdbd wants to release an IP address