python检测主机的连通性并记录到文件的实例

目录结构

ping_test/├── bin│ ├── ping.py│ ├── ping_run.sh.origin│ └── ping.sh├── conf│ └── ip.lst├── logs│ ├── 10.10.37.196_2017-06-28_ping.log│ └── 10.10.62.229_2017-06-28_ping.log└── README.md

代码

cat bin/ping.py

#!/usr/bin/env python#-*- coding: utf-8from subprocess import Popen, PIPEimport shleximport timeimport datetimeimport sys, osbasedir = os.path.dirname( os.path.dirname( os.path.abspath(__file__) ) )cnf = os.path.join( basedir, 'conf', 'ip.lst' )# print cnfwhile True: today = datetime.datetime.strftime( datetime.datetime.now(), "%Y-%m-%d" ) with open(cnf) as f:  for host in f:   host = host.strip()   cmd = 'sh ping.sh %s' % host   args = shlex.split(cmd)   p = Popen(args, stdout=PIPE, stderr=PIPE)   stdout, stderr = p.communicate()   filename = host + '_%s_ping.log' % today   logfile = os.path.join(basedir, 'logs', filename)   # print logfile   if stdout:    with open(logfile, 'ab') as fd:     fd.write( stdout )     fd.flush()   elif stderr:    print('ping lost') time.sleep(1)

cat ping.sh

#!/bin/bashHOST=$1ping -c 1 ${HOST} | grep 'bytes from' | awk '{print $0"/t" strftime("%T %F", systime())}'

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