对Python网络设备巡检脚本的实例讲解-创新互联

1、基本信息

我公司之前采用的是人工巡检，但奈何有大量网络设备，往往巡检需要花掉一上午（还是手速快的话）,浪费时间浪费生命。

这段时间正好在学 Python ，于是乎想(其)要(实)解(就)放(是)双(懒)手。

好了，脚本很长又比较挫，有耐心就看看吧。

需要巡检的设备如下：

2、采集数据并写入文件

# 相关设备巡检命令就不介绍了。。。

01DMZ-E8000E.py # 华为 E8000E 交互脚本

#!/usr/bin/env python
import pexpect
import sys
import datetime
 
d1=datetime.datetime.now()
d3=d1+datetime.timedelta(days=-1)
tdy=d3.strftime('%b %d')
today=datetime.date.today().strftime('%Y%m%d')
 
tt=tdy.split()
if int(tt[-1]) < 10:
 tdy=tdy.replace('0',' ')
 
ip=str(sys.argv[1])
passwd=str(sys.argv[2])
password=str(sys.argv[3])
 
child=pexpect.spawn('ssh 用户名@%s'%ip)
fout=file('/usr/sh/shell/linux/xunjian/'+today+'/01DMZ-E8000E.txt','w')
child.logfile = fout
child.expect('(?i)ssword:')
child.sendline("%s"%passwd)
child.expect('(?i)E8000E-1>')
child.sendline("su")
child.expect("(?i)assword:")
child.sendline("%s"%password)
child.expect("(?i)E8000E-1>")
child.sendline("dis device | ex Normal")
child.expect("(?i)E8000E-1>")
child.sendline("dis version")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis temperature")
child.expect("(?i)E8000E-1>")
child.sendline("dir")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis memory-usage")
child.expect("(?i)E8000E-1>")
child.sendline("dis hrp state")
child.expect("(?i)E8000E-1>")
child.sendline("dis firewall session table")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis ip routing-table protocol static")
child.expect("(?i)E8000E-1>")
child.sendline("dis int brief | in up")
child.expect("(?i)E8000E-1>")
child.sendline("dis acl 3004")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis acl 3005")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis acl 3006")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis acl 3007")
index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
if ( index == 0 ):
 child.send("a")
child.expect("(?i)E8000E-1>")
child.sendline("dis alarm all")
child.expect("(?i)E8000E-1>")
child.sendline("dis logbuffer | in %s"%tdy)
for i in range(20):
 index = child.expect(["(?i)---- More ----","(?i)E8000E-1>"])
 if ( index == 0 ):
 child.send(" ")
 else:
 child.sendline("q")
 break