lvs dr tunl 真实机脚本
[*]#!/bin/bash
[*]#create lvs dr or tunl realservr scripts.
[*]#chenjian 2011-09-23
[*]
[*]VIP_LIST="192.168.116.20 192.168.116.21"
[*]USAGE="Usage: $0 {start|stop|status} {dr|tunl}"
[*]NAME=tunl
[*]NUM=0
[*]
[*]
[*]if [ -z $1 ]
[*]then
[*] echo $USAGE
[*] exit 2
[*]fi
[*]
[*]ACTION=`echo $1|tr A-Z a-z`
[*]
[*]if ! [ $1 == status ]
[*]then
[*] if [ -z $2 ]
[*] then
[*] echo $USAGE
[*] exit 2
[*] fi
[*]fi
[*]
[*]TYPE=`echo $2|tr A-Z a-z`
[*]
[*]case "$1" in
[*]start)
[*]
[*]if [ $TYPE == dr ]
[*]then
[*] if /sbin/ifconfig |grep lo: > /dev/null
[*] then
[*] /sbin/ifdown lo
[*] /sbin/ifup lo
[*] fi
[*] for vip in `echo $VIP_LIST`;do
[*] /sbin/ifconfig lo:$NUM$vip netmask 255.255.255.255 broadcast $vip
[*] /sbin/route add -host $vip dev lo:$NUM
[*] NUM=`echo $[$NUM+1]`
[*] done
[*]
[*] echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
[*] echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
[*] echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
[*] echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce
[*] sysctl -p >/dev/null 2>&1
[*] echo "$TYPE RealServer Start [ OK ]"
[*]elif[ $TYPE == tunl ]
[*]then
[*] for vip in `echo $VIP_LIST`;do
[*] if [ $NAME == tunl ]
[*] then
[*] NAME=tunl0
[*] /sbin/ifconfig "$NAME" $vip netmask 255.255.255.255
[*] /sbin/route add -host $vip dev $NAME
[*] else
[*] /sbin/ifconfig "$NAME":"$NUM" $vip netmask 255.255.255.255
[*] /sbin/route add -host $vip dev $NAME
[*] fi
[*] NUM=`echo $[$NUM+1]`
[*] done
[*] echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
[*] echo 2 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
[*] echo 0 > /proc/sys/net/ipv4/conf/tunl0/arp_filter
[*] echo 1 > /proc/sys/net/ipv4/conf/tunl0/forwarding
[*] echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
[*] echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
[*]
[*] sysctl -p >/dev/null 2>&1
[*] echo "$TYPE RealServer Start [ OK ]"
[*]else
[*] echo $USAGE
[*] exit 2
[*]fi
[*];;
[*]stop)
[*]if [ $TYPE == dr ]
[*]then
[*] /sbin/ifconfig lo down
[*] /sbin/ifconfig lo up
[*]
[*] echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore
[*] echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce
[*] echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore
[*] echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce
[*]
[*] sysctl -p >/dev/null 2>&1
[*] echo "$TYPE RealServer Stop [ OK ]"
[*]elif[ $TYPE == tunl ]
[*]then
[*] /sbin/ifconfig tunl0 down
[*]
[*] echo 0 > /proc/sys/net/ipv4/conf/tunl0/arp_ignore
[*] echo 0 > /proc/sys/net/ipv4/conf/tunl0/arp_announce
[*] echo 1 > /proc/sys/net/ipv4/conf/tunl0/arp_filter
[*] echo 0 > /proc/sys/net/ipv4/conf/all/arp_ignore
[*] echo 0 > /proc/sys/net/ipv4/conf/all/arp_announce
[*]
[*]else
[*] echo $USAGE
[*] exit 2
[*]fi
[*];;
[*]status)
[*]if /sbin/ifconfig |grep -q 'lo:'
[*]then
[*] TYPE=dr
[*]elif /sbin/ifconfig |grep -q 'tunl'
[*]then
[*] TYPE=tunl
[*]else
[*] exit 2
[*]fi
[*]
[*]for vip in `echo $VIP_LIST`;do
[*]
[*] if [ ! `/sbin/ifconfig |grep -q $vip` -o ! `netstat -rn |grep $vip` ];
[*] then
[*] echo "LVS-$TYPE real server stopped,vip = $vip"
[*] else
[*] echo "LVS-$TYPE Running，vip = $vip"
[*] fi
[*]done
[*]
[*];;
[*]*)
[*]echo "$USAGE"
[*]exit 1
[*];;
[*]esac
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