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74 lines
2.3 KiB
74 lines
2.3 KiB
2 years ago
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#!/usr/bin/bash
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# 定义解释型的信息
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# Author: SZ2201班全体同仁，联系 newrain_wang@163.com
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# 监控报警脚本
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# 做mysql、nginx服务存活性检测、重要配置文件防篡改。
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# mysql 主机 password,在生产中的脚本要写普通用户
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mysqlPassword="QianFeng@123"
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mysqlUser="root"
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# 监控间隔
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checkInterval=30
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# 配置文件列表
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configFile=("/etc/passwd" "/etc/sudoers" "/etc/hosts" "/etc/resolv.conf" "/etc/sysctl.conf")
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hashFile=/tmp/.hashfile
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# nginx 检查URL
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nginxPath="/index.html"
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# 出现异常，发送邮件通知
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# 安装软件mailx
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# 下列内容填写到 /etc/mail.rc
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<<!
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发送邮件的邮箱
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set from=newrain_wang@163.com
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邮箱服务器
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set smtp=smtp.163.com
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邮箱验证
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set smtp-auth-user=newrain_wang@163.com
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授权码，在官方站点中获取
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set smtp-auth-password=NBVRUYYHYANZNUCL
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set smtp-auth=login
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set ssl-verify=ignore
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!
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# 测试发送邮件
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# 每隔60秒执行一次检查
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while :
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do
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# 检查mysql存活，通过对mysql进行sql语句的执行，来判断是否正常工作
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mysql -u${mysqlUser} -p${mysqlPassword} -e "select now()" &>/dev/null
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if [ $? -ne 0 ];then
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mysql_error="mysql异常\n"
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fi
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# 检查nginx是否存活，通过访问nginx的服务来判断是否正常工作
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code=$(curl -I -s http://127.0.0.1${nginxPath} |grep "HTTP/1.1" |awk '{print $2}')
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<<!
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httpcode 200 成功 301 临时重定向 302 永久重定向
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!
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if [ ! "$code" == "200" ] && [ ! "$code" == "301" ] && [ ! "$code" == "302" ];then
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nginx_error="nginx访问异常\n"
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fi
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# 配置文件篡改检查
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if [ "$1" == 'init' ];then
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# 初始化，如果发现篡改，但是经过证实，是自己人做的，那么可以重新初始化
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md5sum ${configFile[@]} > ${hashFile}
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exit 0
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fi
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md5sum -c ${hashFile} 2>/dev/null |grep "FAILED" &>/dev/null
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if [ $? -eq 0 ];then
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checkFile_error="文件被篡改，请检查\n"
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fi
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# 如果错误信息变量被赋值至少一个，则邮件通知管理员进行处理。
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if [ -n "$mysql_error" ] || [ -n "$nginx_error" ] || [ -n "$checkFile_error" ];then
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echo ${mysql_error}${nginx_error}${checkFile_error}
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echo -e "[`date +%F_%T`] 错误：\n${mysql_error}${nginx_error}${checkFile_error}" | mailx -s "报警通知" 1161733918@qq.com
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fi
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sleep ${checkInterval}
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done
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