LVS _keepalived 配置

#!/bin/bash
HOSTNAME=$(HOSTNAME)
ETHNAME=ens34
ID="LVS$(ifconfig  $ETHNAME |egrep  -o "[-]{,}\.[-]{,}\.[-]{,}\.[-]{,}" | awk -F . 'NR==1{print $4}')"
VIP=192.168.204.200
MASTER=192.168.204.135
SLAVE=192.168.204.136
RIP1=192.168.204.137
RIP2=192.168.204.139

#!/bin/bash
#install keepalived

#/bin/bash
#config web
yum install -y httpd
rm -rf /etc/httpd/conf.d/welcome.conf
ifconfig lo: $VIP netmask 255.255.255.255 broadcast $VIP  up
route add -host $VIP dev lo:
echo  > /proc/sys/net/ipv4/conf/lo/arp_ignore
echo  > /proc/sys/net/ipv4/conf/lo/arp_announce
echo  > /proc/sys/net/ipv4/conf/all/arp_ignore
echo  > /proc/sys/net/ipv4/conf/all/arp_announce
systemctl restart httpd

! Configuration File for keepalived
global_defs {
    notification_email {
        root@localhost
        }
    notification_email_from root@localhost
    smtp_server 127.0.0.1
    smtp_connect_timeout
    router_id ID
}
vrrp_instance VI_1 {
    state STATE
    interface ETHNAME
    virtual_router_id
    priority PRIORITY
    advert_int
    authentication {
        auth_type PASS
        auth_pass
    }
    virtual_ipaddress {
        VIP
    }
}
virtual_server VIP  {
    delay_loop
    lb_algo rr
    lb_kind DR
    persistence_timeout
    protocol TCP
    real_server RIP1  {
        weight
        TCP_CHECK {
            connect_timeout
            nb_get_retry
            delay_before_retry
        }
    }
    real_server RIP2  {
        weight
        TCP_CHECK {
            connect_timeout
            nb_get_retry
            delay_before_retry
        }
    }
}

rm -rf /etc/keepalived/keepalived.conf.bak
mv  /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak
cp keepalived.conf /etc/keepalived/keepalived.conf
if [[ "$(ifconfig  $ETHNAME |egrep  -o "[-]{,}\.[-]{,}\.[-]{,}\.[-]{,}" | awk 'NR==1{print}')" == "$MASTER" ]]; then
    sed -i 's/STATE/MASTER/g' /etc/keepalived/keepalived.conf
    sed -i 's/PRIORITY/100/g' /etc/keepalived/keepalived.conf
elif [[ "$(ifconfig  $ETHNAME |egrep  -o "[-]{,}\.[-]{,}\.[-]{,}\.[-]{,}" | awk 'NR==1{print}')" == "$SLAVE" ]]; then
    sed -i 's/STATE/BACKUP/g' /etc/keepalived/keepalived.conf
    sed -i 's/PRIORITY/50/g' /etc/keepalived/keepalived.conf
else
    echo "error"
fi
sed -i "s/ETHNAME/$ETHNAME/g" /etc/keepalived/keepalived.conf
sed -i "s/ID/$ID/g" /etc/keepalived/keepalived.conf
sed -i "s/VIP/$VIP/g" /etc/keepalived/keepalived.conf
sed -i "s/RIP1/$RIP1/g" /etc/keepalived/keepalived.conf
sed -i "s/RIP2/$RIP2/g" /etc/keepalived/keepalived.conf
systemctl start keepalived