keepalived 发生异常进行主备切换的notify.sh脚本-526互联

notify.sh

#!/bin/sh
#########DESC##########
#keepalive切换告警提示#
#######################

## 配置文件和手机号码配置
config_file="/etc/keepalived/hostinfo.cfg"
alert_user_file="/etc/keepalived/alert_user.cfg"
keepalive_config_file="/etc/keepalived/keepalived.conf"
df_network_name=`grep -v '#' ${keepalive_config_file} | grep 'interface' | awk -F" " '{print $2}'`
phone="188****1234"
alert_url="http://192.168.10.101:10165/mcoms/clogin.do?method=sendMsgDailyAsForm&"

## 获取对应配置value信息
GetValueInfo() {
    project_name=`echo ${basic_info} | cut -d '[' -f 2 | cut -d ']' -f 1`
    vip=`echo ${basic_info} | awk -F 'vip=' '{print $2}' | cut -d ' ' -f 1`
    master_host=`echo ${basic_info} | awk -F 'master=' '{print $2}' | cut -d ' ' -f 1`
    backup_host=`echo ${basic_info} | awk -F 'backup=' '{print $2}' | cut -d ' ' -f 1`
}

## 获取本机IP对应配置文件中的配置信息
GetConfigInfo() {
    host_ip=`ip a |grep -E "brd.*${df_network_name}" |awk '{print $2}' |awk -F '/' '{print $1}'`
    host_count=`grep -w ${host_ip} ${config_file} | wc -l`
    if [[ ${host_count} -eq 0 ]];then
        warningbody="【客户端】${host_ip}: 主机信息未添加"
    elif [[ ${host_count} -gt 1 ]];then
        warningbody="【客户端】${host_ip}: 主机信息存在重复"
    else
        #basic_info=`awk -vRS="[" '/'''${host_ip}'''/{print RT$0}' ${config_file} | grep -v "^$"`
        basic_info=`grep -C 3 -w "${host_ip}" ${config_file} | awk -vRS="[" '/'''${host_ip}'''/{print RT$0}' | grep -v "^$"`
        GetValueInfo
    fi
}

## 发送告警信息
SendMsgAlert() {
    curl -i --data "receivers=${phone}&msgContent=${warningbody}"  "$alert_url"
}

## keepalive告警
notify() {
    GetConfigInfo
    if [ "${warningbody}" != "" ]; then
        SendMsgAlert
#        echo "error" >> /tmp/keepalive_output.txt
        exit
    else
        warningbody="【客户端】【${project_name}】_RS:${host_ip}_vip:${vip} ChangeTo $1"
#        echo ${warningbody} >> /tmp/keepalive_output.txt
        SendMsgAlert
    fi
}


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

hostinfo.cfg

[ha_sftp]
vip=192.168.10.188
master=192.168.10.101
backup=192.168.10.102

脚本

keepalived

notify

脚本keepalived notify sh