#!/bin/bash
yum -y install keepalived > /dev/null
touch /opt/kill.sh
cat >/opt/kill.sh<<EOF
#!/bin/bash
systemctl stop keepalived
EOF
same=`grep -f /opt/keepalived_master.conf /etc/keepalived/keepalived.conf|wc -l`
diferent=`cat /etc/keepalived/keepalived.conf|wc -l`
if [ $same -eq $diferent ];then
cp /opt/keepalived_master.conf /etc/keepalived/keepalived.conf
fi
systemctl start keepalived
if [ $? -eq 0 ];then
systemctl stop keepalived
systemctl start keepalived
fi
配置文件
[root@ localhost opt]# cat keepalived_master.conf
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id LVS_DEVEL
vrrp_skip_check_adv_addr
vrrp_strict
vrrp_garp_interval 0
vrrp_gna_interval 0
}
vrrp_instance VI_1 {
state MASTER
interface ens33
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.81
}
}
virtual_server 10.0.0.81 80 {
delay_loop 6
persistence_timeout 50
protocol TCP
real_server 10.0.0.42 80 {
weight 1
notify_down /opt/kill.sh
TCP_CHECK {
connect_timeout 3
connect_port 80
nb_get_retry 3
delay_before_retry 3
}
}
}
原文：https://www.cnblogs.com/gaiting/p/12203235.html