用python实现 linux监控硬盘大于80%_并发送邮件报警脚本V1_V2版
#################第三个版本#####################
#读取配置文件中的阀值
vi disk_configure.cfg
hd_usage_rate_threshold = 10
#运行脚本会生成日志文件，并发送邮件到邮件中
[root@salt-master scripts]# ll
total 12
-rw-r--r-- 1 root root 29 Mar 22 19:39 disk_configure.cfg
-rwxr-xr-x 1 root root 2400 Mar 22 19:31 send_check_disk.py
-rw-r--r-- 1 root root 22 Mar 22 19:39 send_disk_message.log
[root@salt-master scripts]# cat send_disk_message.log
sendmail success!!!!!
#脚本
send_check_disk.py
#coding:utf-8
#author:nulige at 2018-3-16
import os
import re
import sys
import smtplib
import datetime
from email.mime.text import MIMEText
# 硬盘使用率报警阀值
#hd_usage_rate_threshold = 10
f = open("/server/scripts/disk_configure.cfg")
line = f.readline()
n1 = line.split()
n2 = n1[2]
hd_usage_rate_threshold = int(n2)
# 要发给谁
mailto_list=["huzh@hotdoor.cn","1034611705@qq.com"]
# 设置服务器，用户名、口令以及邮箱的后缀
mail_host="mail.gxycloud.com"
mail_user="huzh@hotdoor.cn"
mail_pass="lenovoe42"
mail_postfix="hotdoor.cn"
#system_log
stdout_backup = sys.stdout
log_file = open("send_disk_message.log", "w")
sys.stdout = log_file
# 发送邮件
def send_mail(to_list,sub,content):
me = mail_user + "<"+ mail_user + "@" + mail_postfix + ">"
msg = MIMEText(content, 'html', 'utf-8')
msg['Subject'] = sub
msg['From'] = me
msg['To'] = ";".join(to_list)
try:
s = smtplib.SMTP()
s.connect(mail_host)
s.login(mail_user,mail_pass)
s.sendmail(me, to_list, msg.as_string())
s.close()
return True
except Exception, e:
print str(e)
return False
# 获得外网ip
def get_wan_ip():
cmd_get_ip = "/sbin/ifconfig enp2s0f0|awk -F '[ :]+' 'NR==2 {print $3}'"
get_ip_info = os.popen(cmd_get_ip).readline().strip()
return get_ip_info
# 检测硬盘使用
def check_hd_use():
cmd_get_hd_use = '/bin/df'
try:
fp = os.popen(cmd_get_hd_use)
except:
ErrorInfo = r'get_hd_use_error'
print ErrorInfo
return ErrorInfo
re_obj = re.compile(r'^/dev/.+\s+(?P<used>\d+)%\s+(?P<mount>.+)')
hd_use = {}
for line in fp:
match = re_obj.search(line)
if match is not None:
hd_use[match.groupdict()['mount']] = match.groupdict()['used']
fp.close()
return hd_use
# 硬盘使用报警
def hd_use_alarm():
for v in check_hd_use().values():
if int(v) > hd_usage_rate_threshold:
if send_mail(mailto_list,'System Disk Monitor','My_System Ip:%s\nSystem Disk Use:%s'% (get_wan_ip(),check_hd_use())):
print "sendmail success!!!!!"
log_file.close()
sys.stdout = stdout_backup
else:
print "disk not mail"
log_file.close()
sys.stdout = stdout_backup
if __name__ == '__main__':
hd_use_alarm()
###################第二个版本####################
#coding:utf-8
#author:nulige at 2018-3-16
import os
import re
import sys
import smtplib
import datetime
from email.mime.text import MIMEText
# 硬盘使用率报警阀值
hd_usage_rate_threshold = 10
# 要发给谁
mailto_list=["huzh@hotdoor.cn","1034611705@qq.com"]
# 设置服务器，用户名、口令以及邮箱的后缀
mail_host="mail.gxycloud.com"
mail_user="huzh@hotdoor.cn"
mail_pass="lenovoe42"
mail_postfix="hotdoor.cn"
#send_log
stdout_backup = sys.stdout
log_file = open("send_disk_message.log", "w")
sys.stdout = log_file
# 发送邮件
def send_mail(to_list,sub,content):
me = mail_user + "<"+ mail_user + "@" + mail_postfix + ">"
msg = MIMEText(content, 'html', 'utf-8')
msg['Subject'] = sub
msg['From'] = me
msg['To'] = ";".join(to_list)
try:
s = smtplib.SMTP()
s.connect(mail_host)
s.login(mail_user,mail_pass)
s.sendmail(me, to_list, msg.as_string())
s.close()
return True
except Exception, e:
print str(e)
return False
# 获得外网ip
def get_wan_ip():
cmd_get_ip = "/sbin/ifconfig enp2s0f0|awk -F '[ :]+' 'NR==2 {print $3}'"
get_ip_info = os.popen(cmd_get_ip).readline().strip()
return get_ip_info
# 检测硬盘使用
def check_hd_use():
cmd_get_hd_use = '/bin/df'
try:
fp = os.popen(cmd_get_hd_use)
except:
ErrorInfo = r'get_hd_use_error'
print ErrorInfo
return ErrorInfo
re_obj = re.compile(r'^/dev/.+\s+(?P<used>\d+)%\s+(?P<mount>.+)')
hd_use = {}
for line in fp:
match = re_obj.search(line)
if match is not None:
hd_use[match.groupdict()['mount']] = match.groupdict()['used']
fp.close()
return hd_use
# 硬盘使用报警
def hd_use_alarm():
for v in check_hd_use().values():
if int(v) > hd_usage_rate_threshold:
if send_mail(mailto_list,'System Disk Monitor','My_System Ip:%s\nSystem Disk Use:%s'% (get_wan_ip(),check_hd_use())):
print "sendmail success!!!!!"
log_file.close()
sys.stdout = stdout_backup
else:
print "disk not mail"
log_file.close()
sys.stdout = stdout_backup
if __name__ == '__main__':
hd_use_alarm()
###################第一个版本####################
#python版本
[root@zabbix-server ~]# python Python 2.7.5 (default, Nov 20 2015, 02:00:19) [GCC 4.8.5 20150623 (Red Hat 4.8.5-4)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> exit()
#创建日志目录
[root@zabbix-server web_event_extends]# cat create_nulige.sh
#!/bin/bash mkdir -p /opt/log/nulige/web_event_extends cd /opt/log/nulige/web_event_extends touch event-ext-`date '+%Y-%m-%d'`.log
#先创建文件夹，再运行监控硬盘脚本
#coding:utf-8
#author:nulige at 2018-3-16
import os
import re
import smtplib
import datetime
import shelve
from email.mime.text import MIMEText
# 硬盘使用率报警阀值
hd_usage_rate_threshold = 80
# 要发给谁
mailto_list=["huzh@hotdoor.cn","1034611705@qq.com"]
# 设置服务器，用户名、口令以及邮箱的后缀
mail_host="mail.gxycloud.com"
mail_user="huzh@hotdoor.cn"
mail_pass="lenovoe42"
mail_postfix="hotdoor.cn"
# 日志偏移
log_offset = shelve.open('log_offset')
# 取当天日期
log_path_suffix=(datetime.date.today()).strftime('%Y-%m-%d')
# 当前日期key
cur_time = 'cur_time'
# 日志路径
app_info = {}
app_info['event'] = ['/opt/log/nulige/web_event_extends/event-ext-'+log_path_suffix+'.log',['失败','异常'],[]]
# 处理日志
def analysis_log(appName ,appInfo):
cur_time_val = get_shelve_value(cur_time)
if cur_time_val == -1:
set_shelve_value(cur_time, log_path_suffix)
elif log_path_suffix != cur_time_val:
set_shelve_value(appName, 0)
set_shelve_value(cur_time, log_path_suffix)
f1 = file(appInfo[0], "r")
offset = get_shelve_value(appName)
if offset != -1:
f1.seek(offset,1)
else:
set_shelve_value(appName, 0)
count = 0
exceptionStr = ""
for s in f1.readlines():
searchKey = appInfo[1]
if len(searchKey) > 0:
for i in searchKey:
li = re.findall(i, s)
if len(li) > 0:
count = count + li.count(i)
exceptionStr = exceptionStr + " " + s
else:
li = re.findall('Exception', s)
if len(li) > 0:
count = count + li.count('Exception')
exceptionStr = exceptionStr + " " + s
set_shelve_value(appName, f1.tell())
print appName + " 异常数量为 " + str(count)
return [count, "---------------------------------" + appName + " ----------------------------- \n " + exceptionStr]
#shelve 处理
def set_shelve_value(key, value):
log_offset[key] = value
def get_shelve_value(key):
if log_offset.has_key(key):
return log_offset[key]
else:
return -1
def del_shelve_value(key):
if log_offset.has_key(key):
del log_offset[key]
# 发送邮件
def send_mail(to_list,sub,content):
me = mail_user + "<"+ mail_user + "@" + mail_postfix + ">"
msg = MIMEText(content, 'html', 'utf-8')
msg['Subject'] = sub
msg['From'] = me
msg['To'] = ";".join(to_list)
try:
s = smtplib.SMTP()
s.connect(mail_host)
s.login(mail_user,mail_pass)
s.sendmail(me, to_list, msg.as_string())
s.close()
return True
except Exception, e:
print str(e)
return False
# 获得外网ip
def get_wan_ip():
cmd_get_ip = "/sbin/ifconfig enp2s0f0|awk -F '[ :]+' 'NR==2 {print $3}'"
get_ip_info = os.popen(cmd_get_ip).readline().strip()
return get_ip_info
# 检测硬盘使用
def check_hd_use():
cmd_get_hd_use = '/bin/df'
try:
fp = os.popen(cmd_get_hd_use)
except:
ErrorInfo = r'get_hd_use_error'
print ErrorInfo
return ErrorInfo
re_obj = re.compile(r'^/dev/.+\s+(?P<used>\d+)%\s+(?P<mount>.+)')
hd_use = {}
for line in fp:
match = re_obj.search(line)
if match is not None:
hd_use[match.groupdict()['mount']] = match.groupdict()['used']
fp.close()
return hd_use
# 硬盘使用报警
def hd_use_alarm():
for v in check_hd_use().values():
if int(v) > hd_usage_rate_threshold:
if send_mail(mailto_list,'System Disk Monitor','My_System Ip:%s\nSystem Disk Use:%s'% (get_wan_ip(),check_hd_use())):
print "sendmail success!!!!!"
else:
print "disk not mail"
if __name__ == '__main__':
hd_use_alarm()
exceptionCount = 0
exceptionContents = "";
for key in app_info:
exceptionContent = analysis_log(key, app_info[key])
exceptionCount += exceptionContent[0]
exceptionContents += exceptionContent[1]
exceptionContents = exceptionContents + "******************** \n"
print exceptionCount
if exceptionCount > 0:
if send_mail(mailto_list, get_wan_ip() + " 日志报警",exceptionContents):
print "发送成功"
else:
print "发送失败"
#运行结果
说明：硬盘使用率报警阀值定义为10，就触发报警
[root@zabbix-server test_script]# python send_check_disk.py sendmail success!!!!! disk not mail sendmail success!!!!! event 异常数量为 0 0 [root@zabbix-server test_script]# df -h 文件系统 容量 已用 可用 已用% 挂载点 /dev/sda2 40G 6.3G 34G 16% / devtmpfs 5.9G 0 5.9G 0% /dev tmpfs 5.9G 12K 5.9G 1% /dev/shm tmpfs 5.9G 343M 5.6G 6% /run tmpfs 5.9G 0 5.9G 0% /sys/fs/cgroup /dev/sda1 494M 106M 389M 22% /boot /dev/sda5 75G 1.1G 74G 2% /data tmpfs 1.2G 0 1.2G 0% /run/user/0
#收到的邮件
