脚本功能:
监控多台Web服务器状态,一旦发生问题就发送邮件
运行环境:
Python2.7/2.4皆可运行
脚本使用方法:
可利用Crontab或者计划任务来指定时间运行,例如:
*/10 * * * * 脚本路径
脚本运行效果如下:
脚本内容如下:
#!/usr/bin/env python
# coding=utf-8
#----------------------------------------------------------
# Name: WEB服务器巡检脚本
# Purpose: 监控多台Web服务器状态,一旦出现问题就发送邮件
# Version: 1.0
# Author: LEO
# BLOG: http://linux5588.blog.51cto.com
# EMAIL: chanyipiaomiao@163.com
# Created: 2013-06-04
# Copyright: (c) LEO 2013
# Python: 2.4/2.7
#----------------------------------------------------------
from smtplib import SMTP
from email import MIMEText
from email import Header
from datetime import datetime
import httplib
#定义要检测的服务器,URL 端口号 资源名称
web_servers = [('192.168.1.254', 80, 'index.html'),
('www.xxx.com', 80, 'index.html'),
('114.114.114.114', 9000, '/main/login.html'),
]
#定义主机 帐号 密码 收件人 邮件主题
smtpserver = 'smtp.163.com'
sender = 'xxxx@xxx.com'
password = 'password'
receiver = ('收件人1','收件人2')
subject = u'WEB服务器告警邮件'
From = u'Web服务器'
To = u'服务器管理员'
#定义日志文件位置
error_log = '/tmp/web_server_status.txt'
def send_mail(context):
'''发送邮件'''
#定义邮件的头部信息
header = Header.Header
msg = MIMEText.MIMEText(context,'plain','utf-8')
msg['From'] = header(From)
msg['To'] = header(To)
msg['Subject'] = header(subject + '\n')
#连接SMTP服务器,然后发送信息
smtp = SMTP(smtpserver)
smtp.login(sender, password)
smtp.sendmail(sender, receiver, msg.as_string())
smtp.close()
def get_now_date_time():
'''获取当前的日期'''
now = datetime.now()
return str(now.year) + "-" + str(now.month) + "-" \
+ str(now.day) + " " + str(now.hour) + ":" \
+ str(now.minute) + ":" + str(now.second)
def check_webserver(host, port, resource):
'''检测WEB服务器状态'''
if not resource.startswith('/'):
resource = '/' + resource
try:
try :
connection = httplib.HTTPConnection(host, port)
connection.request('GET', resource)
response = connection.getresponse()
status = response.status
content_length = response.length
except :
return False
finally :
connection.close()
if status in [200,301] and content_length != 0:
return True
else:
return False
if __name__ == '__main__':
logfile = open(error_log,'a')
problem_server_list = []
for host in web_servers:
host_url = host[0]
check = check_webserver(host_url, host[1], host[2])
if not check:
temp_string = 'The Server [%s] may appear problem at %s\n' % (host_url,get_now_date_time())
print >> logfile, temp_string
problem_server_list.append(temp_string)
logfile.close()
#如果problem_server_list不为空,就说明服务器有问题,那就发送邮件
if problem_server_list:
send_mail(''.join(problem_server_list))