------------------------------------------------------------
revno: 744
revision-id:[EMAIL PROTECTED]
parent: [EMAIL PROTECTED]
committer: Andrew Tridgell <[EMAIL PROTECTED]>
branch nick: tridge.stable
timestamp: Wed 2008-01-09 08:41:27 +1100
message:
forgot this file
added:
config/events.d/91.lvs 91.lvs-20080108214119-9xiof8rzqxi2lbo1-1
=== added file 'config/events.d/91.lvs'
--- a/config/events.d/91.lvs 1970-01-01 00:00:00 +0000
+++ b/config/events.d/91.lvs 2008-01-08 21:41:27 +0000
@@ -0,0 +1,86 @@
+#!/bin/sh
+# script to manage the lvs ip multiplexer for a single public address cluster
+
+. $CTDB_BASE/functions
+loadconfig ctdb
+
+[ -z "$CTDB_LVS_PUBLIC_IP" ] && exit 0
+[ -z "$CTDB_PUBLIC_INTERFACE" ] && exit 0
+
+cmd="$1"
+shift
+
+PATH=/usr/bin:/bin:/usr/sbin:/sbin:$PATH
+
+case $cmd in
+ startup)
+ ipvsadm -D -t $CTDB_LVS_PUBLIC_IP:0
+ ipvsadm -D -u $CTDB_LVS_PUBLIC_IP:0
+
+ ip addr add $CTDB_LVS_PUBLIC_IP/32 dev lo scope host >/dev/null
2>/dev/null
+
+ # do not respond to ARPs that are for ip addresses with scope 'host'
+ echo 3 > /proc/sys/net/ipv4/conf/all/arp_ignore
+ # do not send out arp requests from loopback addresses
+ echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
+ ;;
+
+ shutdown)
+ ipvsadm -D -t $CTDB_LVS_PUBLIC_IP:0
+ ipvsadm -D -u $CTDB_LVS_PUBLIC_IP:0
+
+ # remove the ip
+ ip addr del $CTDB_LVS_PUBLIC_IP/32 dev lo >/dev/null 2>/dev/null
+
+ # flush our route cache
+ echo 1 > /proc/sys/net/ipv4/route/flush
+ ;;
+
+ takeip)
+ ;;
+
+ releaseip)
+ ;;
+
+ recovered)
+ # kill off any tcp connections
+ ipvsadm -D -t $CTDB_LVS_PUBLIC_IP:0
+ ipvsadm -D -u $CTDB_LVS_PUBLIC_IP:0
+ kill_tcp_connections $CTDB_LVS_PUBLIC_IP
+
+ # are we the recmaster ?
+ ctdb isnotrecmaster >/dev/null 2>/dev/null || {
+ # change the ip address to have scope host so we wont respond
+ # to arps
+ ip addr del $CTDB_LVS_PUBLIC_IP/32 dev lo >/dev/null 2>/dev/null
+ ip addr add $CTDB_LVS_PUBLIC_IP/32 dev lo scope host >/dev/null
2>/dev/null
+ exit 0
+ }
+
+ # change the scope so we start responding to arps
+ ip addr del $CTDB_LVS_PUBLIC_IP/32 dev lo >/dev/null 2>/dev/null
+ ip addr add $CTDB_LVS_PUBLIC_IP/32 dev lo >/dev/null 2>/dev/null
+
+ ipvsadm -A -t $CTDB_LVS_PUBLIC_IP:0 -p 9999 -s lc
+ ipvsadm -A -u $CTDB_LVS_PUBLIC_IP:0 -p 9999 -s lc
+
+ ctdb status 2>/dev/null | egrep "^pnn:" | grep -v DISCONNECTED | grep
-v "(THIS NODE)" | sed -e "s/^pnn:[0-9]* //" -e "s/[ ].*//" | while read
IP; do
+ ipvsadm -a -t $CTDB_LVS_PUBLIC_IP:0 -r $IP -g
+ ipvsadm -a -u $CTDB_LVS_PUBLIC_IP:0 -r $IP -g
+ done
+ ipvsadm -a -t $CTDB_LVS_PUBLIC_IP:0 -r 127.0.0.1
+ ipvsadm -a -u $CTDB_LVS_PUBLIC_IP:0 -r 127.0.0.1
+
+ # send out a gratious arp so our peers will update their arp tables
+ ctdb gratiousarp $CTDB_LVS_PUBLIC_IP $CTDB_PUBLIC_INTERFACE >/dev/null
2>/dev/null
+
+ # flush our route cache
+ echo 1 > /proc/sys/net/ipv4/route/flush
+ ;;
+
+ monitor)
+ ;;
+
+esac
+
+exit 0
