本脚本用python写的监控脚本,主要是为zabbix监控自定义的key而准备的,也可以在返回值方面做修改,可以写个发邮件的模块,做个定时,有问题时自动发邮件。
这里分享几个python发送邮件的方法,可以参考:
python smtplib模块发送邮件
python smtp模块发送邮件的
python发送邮件的脚本
python发送邮件的例子
python发送邮件的实例代码
python 发送邮件的代码
在zabbix中自定义key来检测系统日志和数据库日志:
 
复制代码 代码示例:
UnsafeUserParameters=1
UserParameter=check.sys_error,/usr/local/zabbix/bin/chk_err_log.py syslog
UserParameter=check.mysql_error,/usr/local/zabbix/bin/chk_err_log.py mysqllog
本脚本适用于:
一台服务器多实例的mysql错误日志检测,以及单个示例的检测。
可以根据自己的需求做修改。
代码:
 
复制代码 代码示例:
#!/usr/bin/env python
# site:www.jb200.com
#
#encoding=utf-8 
import os, sys 
 
def chk_err(log_file,tmp_file,type,print_list,port): 
    cur_num = int(os.popen("sudo grep '' %s | wc -l" % log_file).read().strip()) 
    old_num = 0 
    if os.path.exists(tmp_file): 
        old_num = int(open(tmp_file).read().strip()) 
        if cur_num < old_num: 
            os.popen("echo 0 > %s" % tmp_file) 
            old_num = 0 
    else: 
        os.popen("echo 0 > %s" % tmp_file) 
    err_log = os.popen("sudo grep -ni 'error' %s" % log_file).readlines() 
    if err_log: 
        err_list = [] 
        for err in err_log: 
            if int(err.split(":")[0]) > old_num: 
                err_list.append(err[len(err.split(":")[0])+1:]) 
        if err_list: 
            os.popen("echo %s > %s" % (err_log[-1].split(":")[0], tmp_file)) 
            print_list.append(port) 
 
def chk_err_log(type): 
    try: 
        print_list = [] 
        homedir = "/home/zabbix" 
        if not os.path.exists(homedir): 
            os.mkdir(homedir) 
        if type == "syslog": 
            log_file = "/var/log/messages" 
            tmp_file = "%s/.syslog_num"%homedir 
            cur_num = int(os.popen("sudo grep '' %s | wc -l" % log_file).read().strip()) 
            old_num = 0 
            if os.path.exists(tmp_file): 
                old_num = int(open(tmp_file).read().strip()) 
                if cur_num < old_num: 
                    os.popen("echo 0 > %s" % tmp_file) 
                    old_num = 0 
            else: 
                os.popen("echo 0 > %s" % tmp_file) 
            err_log = os.popen("sudo grep -ni 'error' %s|grep -v snmpd|grep -v sftp" % log_file).readlines() 
            if not err_log: 
                return "0" 
            err_list = [] 
            for err in err_log: 
                if int(err.split(":")[0]) > old_num: 
                    err_list.append(err[len(err.split(":")[0])+1:]) 
            if not err_list: 
                return "0" 
            else: 
                os.popen("echo %s > %s" % (err_log[-1].split(":")[0], tmp_file)) 
                return "1" 
        elif type == "mysqllog": 
            psinfo = os.popen("ps auxww|grep mysqld|grep -v root|grep -v grep").readlines() 
            if not psinfo: 
                return "No mysqld running in this server now" 
            for i in psinfo: 
                port = "0" 
                for j in i.split("--"): 
                    if j.find("datadir") != -1: 
                        datadir = j.split("=")[1].strip() 
                    elif j.find("port") != -1: 
                        port = j.split("=")[1].strip() 
                if port == "0": 
                    continue 
                if port == "3306": 
                    log_file = "%s/$(hostname).err" % datadir 
                else: 
                    log_file = "%s/mysql.err" % datadir 
                tmp_file = "%s/.mysqllog_%s" % (homedir,port) 
                chk_err(log_file,tmp_file,type,print_list,port) 
            if len(print_list)==0: 
                return "0" 
            else: 
                return print_list 
    except Exception, e: 
        return e 
 
if __name__ == "__main__": 
    print chk_err_log(sys.argv[1])