python检测主机的连通性并记录到文件的实例

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

#!/usr/bin/env python
#-*- coding: utf-8

from subprocess import Popen, PIPE
import shlex
import time
import datetime
import sys, os

basedir = os.path.dirname( os.path.dirname( os.path.abspath(__file__) ) )
cnf = os.path.join( basedir, 'conf', 'ip.lst' )
# print cnf

while 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)

#!/bin/bash

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