Keepalived通知脚本配置

Posted 2021-06-29 y_zilong

邮件配置

qq邮箱配置

[root@ka1 ~]# vi /etc/mail.rc 
在最下面添加下面行
set from=[e-mail]
set smtp=smtp.qq.com
set smtp-auth-user=[e-mail]
set smtp-auth-password=tubnnnxdaqyacagd  
set smtp-auth=login
set ssl-verify=ignore
[root@ka1 ~]# 

发送测试邮件

[root@ka1 ~]# systemctl restart postfix
[root@ka1 ~]# echo "Test Mail" |mail -s Warning [e-mail]

全局配置邮箱设置

[root@ka1 ~]# cat /etc/keepalived/keepalived.conf
global_defs {
   notification_email {
     [e-mail]           #收
   }
   notification_email_from [e-mail]   #发
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id ka1.example.com
   vrrp_skip_check_adv_addr
   #vrrp_strict
   vrrp_garp_interval 0
   vrrp_gna_interval 0
}

include /etc/keepalived/conf.d/*.conf
[root@ka1 ~]#

实现keepalived状态切换的通知脚本

#在所有keepalived节点配置如下
[root@ka1 ~]# cat /etc/keepalived/notify.sh 
#!/bin/bash
contact='[e-mail]'

notify() {
   mailsubject="$(hostname) to be $1,vip floating"
   mailbody="$(date + '%F %T'):vrrp transition,$(hostname) changed to be $1"
   echo "$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
[root@ka1 ~]# 

[root@ka1 ~]# chmod a+x /etc/keepalived/notify.sh 

脚本的调用

#脚本的调用
[root@ka1 ~]# cat /etc/keepalived/conf.d/m1.conf 
vrrp_instance m1 {
    state MASTER
    interface ens33
    virtual_router_id 66
    priority 100
    advert_int 1
    preempt_delay 10
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
      10.0.0.100/24 dev ens33 label ens33:1
    }
    notify_master "/etc/keepalived/notify.sh master"
    notify_backup "/etc/keepalived/notify.sh backup"
    notify_fault  "/etc/keepalived/notify.sh fault"
    unicast_src_ip 10.0.0.10
    unicast_peer {
      10.0.0.20
    }
}
[root@ka1 ~]# 

模拟故障

[root@ka1 ~]# killall keepalived

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