Keepalived安装脚本

#!/bin/bash
keepalived_version='keepalived-2.0.20.tar.gz'
source_package_path='/usr/local/src/'

yum -y install gcc gcc-c++ curl openssl-devel libnl3-devel net-snmp-devel
[ ! -e $source_package_path/$keepalived_version ] && wget https://keepalived.org/software/$keepalived_version  -P $source_package_path
cd $source_package_path && tar xf $keepalived_version 
cd $source_package_path/$(echo $keepalived_version | sed -r 's/(.*).tar.gz/\1/')/ && ./configure --prefix=/usr/local/keepalived --disable-fwmark  # --prefix=/usr/local/keepalived 指定安装目录
make && make install

[ ! -d /etc/keepalived ] && mkdir /etc/keepalived
[ ! -f /etc/keepalived/keepalived.conf ] && cat >> /etc/keepalived/keepalived.conf << EOF
global_defs {
#  notification_email {
#    root@localhost
#  }
#  notification_email_from keepalived@localhost
#  smtp_server 127.0.0.1
#  smtp_connect_timeout 30

  router_id node1        #修改此行
  vrrp_skip_check_adv_addr 
  vrrp_garp_interval 0
  vrrp_gna_interval 0
  vrrp_mcast_group4 224.0.0.22
}
vrrp_instance VI_1 {
  state BACKUP
  interface ens33
  virtual_router_id 66 
  priority 100          #修改此行
  advert_int 1
  authentication {
    auth_type PASS
    auth_pass 321321
  }
  virtual_ipaddress {
     172.31.5.20 ens33 label ens33:0
  }
}
EOF