• 安装 mailx 包

~]# yum install -y mailx
~]# echo "text" | mail -s "testsubject" alexander_zz@yeah.net

• 脚本配置

~]# vim /etc/keepalived/notify.sh

#!/bin/bash
#
contact='alexander_zz@yeah.net

notify() {
    mailsubject="$(hostname) became $1, VIP moved"
    mailbody="$(date +'%F %T'): vrrp transition, $(hostname) became $1"
    echo "$mailbody" | mail -s "$mailsubject" $contact
}

case $1 in
    master)
        notify master
        ;;
    backup)
        notify backup
        ;;
    fault)
        notify fault 
        ;;
    *)
        echo "Usage: $(basename $0) {master|backup|fault}"
        exit 1
        ;;
esac

• 调用方法
  notify_master “/etc/keepalived/notify.sh master”
  notify_backup “/etc/keepalived/notify.sh backup”
  notify_fault “/etc/keepalived/notify.sh fault”

  image.png