linux查询tcp异常,linux服务器内存cpu 流量tcp异常信息记录python脚本

#!/usr/bin/python

#coding:utf-8

import commands

import os

import re

import datetime

#if mem util > 30 echo to mem_file_report and cpu util

mem_info = commands.getstatusoutput(‘top -b|head -n30|tail -n24‘)

info = mem_info[1].split(‘\n‘)

count = 0

num = 0

for i in info:

if count == 0:

global header

header = i

if count >= 1:

i_list = i.split()

num_mem = i_list[9].split(‘.‘)[0]

num_cpu = i_list[8].split(‘.‘)[0]

if int(num_mem) >= 40 or int(num_cpu) >= 50:

with open(‘/opt/scripts/mem_cpu_tcp_check.log‘,‘a‘) as f:

result = "%s %s"%(datetime.datetime.now(),i)

f.write(result + ‘\n‘)

num+=1

if count >= 23 and num >= 1:

with open(‘/opt/scripts/mem_cpu_tcp_check.log‘,‘a‘) as f:

result1 = "%s %s"%(datetime.datetime.now(),header)

f.write(‘\n‘ + result1 + ‘\n‘ + ‘=========================================================‘ + ‘\n‘)

count+=1

#tcp 连接信息详情

tcp_num = commands.getstatusoutput("netstat -antupl|grep ESTABLISHED|wc -l")

#print tcp_num[1]

tcp_info = commands.getstatusoutput("netstat -antupl|grep ESTABLISHED")

if int(tcp_num[1]) >= 100:

with open(‘/opt/scripts/tcp_check.log‘,‘a‘) as f:

f.write(‘\n‘ + "============================================================" + ‘\n‘ + str(datetime.datetime.now()) + ‘\n‘ + tcp_info[1])

interface liuliang warning

liuliang = commands.getstatusoutput("iftop -i eth0 -N -P -t -L 50 -s 10")

#liuliang_list = liuliang[1].split(‘\n‘)

#print liuliang[1]

#for i in liuliang_list:

new_num = i.split()[4]

new_num1 = re.findall(r‘\d+‘,new_num)[0]

print new_num1

if int(new_num1) == 0:

liuliang_list.remove(i)

#print ‘\n‘.join(liuliang_list)

receive = liuliang[1].split(‘\n‘)[-7].split()[5]

send = liuliang[1].split(‘\n‘)[-6].split()[5]

#print liuliang[1].split(‘\n‘)[-7].split()[5]

#print liuliang[1].split(‘\n‘)[-6].split()[5]

receive_type = re.findall("Kb|Mb|Gb",receive)[0]

send_type = re.findall("Kb|Mb|Gb",send)[0]

#print re.findall(r‘\d+‘,receive)

#print re.findall(r‘\d+‘,send)

receive_num = re.findall(r‘\d+‘,receive)[0]

send_num = re.findall(r‘\d+‘,send)[0]

if receive_type == "Mb" and send_type == "Mb":

if int(receive_num) >= 40 and int(send_num) >= 40:

with open(‘/opt/scripts/iftop.log‘,‘a‘) as f:

result1 = "%s %s"%(datetime.datetime.now(),header)

time_now = str(datetime.datetime.now())

f.write(‘\n‘ + ‘=========================================================‘ + ‘\n‘ + time_now + ‘\n‘ + liuliang[1])

if receive_type == "Gb" and send_type == "Gb":with open(‘/opt/scripts/iftop.log‘,‘a‘) as f:result1 = "%s %s"%(datetime.datetime.now(),header)time_now = str(datetime.datetime.now())f.write(‘\n‘ + ‘=========================================================‘ + ‘\n‘ + time_now + ‘\n‘ + liuliang[1])