#!/bin/bash # fwm=6 sorry_server=127.0.0.1 rs=('172.16.100.21' '172.16.100.22') rw=('1' '2') type='-g' chkloop=3 rsstatus=(0 0) logfile=/var/log/ipvs_health_check.log addrs() { ipvsadm -a -f $fwm -r $1 $type -w $2 [ $? -eq 0 ] && return 0 || return 1 } delrs() { ipvsadm -d -f $fwm -r $1 [ $? -eq 0 ] && return 0 || return 1 } chkrs() { local i=1 while [ $i -le $chkloop ]; do if curl --connect-timeout 1 -s http://$1/.health.html | grep "OK" &> /dev/null; then return 0 fi let i++ sleep 1 done return 1 } initstatus() { for host in `seq 0 $[${#rs[@]}-1]`; do if chkrs ${rs[$host]}; then if [ ${rsstatus[$host]} -eq 0 ]; then rsstatus[$host]=1 fi else if [ ${rsstatus[$host]} -eq 1 ]; then rsstatus[$host]=0 fi fi done } initstatus while :; do for host in `seq 0 $[${#rs[@]}-1]`; do if chkrs ${rs[$host]}; then if [ ${rsstatus[$host]} -eq 0 ]; then addrs ${rs[$host]} ${rw[$host]} [ $? -eq 0 ] && rsstatus[$host]=1 fi else if [ ${rsstatus[$host]} -eq 1 ]; then delrs ${rs[$host]} ${rw[$host]} [ $? -eq 0 ] && rsstatus[$host]=0 fi fi done sleep 5 done
LVS_ health-check
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转载自blog.51cto.com/zhanx/2341207
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