check_ping.py

#!/usr/bin/python 
import multiprocessing
import re 
import sys
import commands
import datetime
def  pinger(ip):
	cmd='ping -c 2 %s' % (ip.strip())
	ret = commands.getoutput(cmd)
	loss_re=re.compile(r"received, (.*) packet loss")
	packet_loss=loss_re.findall(ret)[0]
	rtt_re=re.compile(r"rtt min/avg/max/mdev = (.*) ")
	rtts=rtt_re.findall(ret)
	#rtt.split(["/"])
	rtt=rtts[0].split('/')
	rtt_min=rtt[0]
	rtt_avg=rtt[1]
	rtt_max=rtt[2]
	print "%s\t\t%s\t\t%s\t\t%s\t\t%s"%(ip,packet_loss,rtt_min,rtt_max,rtt_avg)

def test(ip):
    print ip

if __name__ == "__main__":
    now=datetime.datetime.now()
    file=open('hosts.txt','r')
    pool=multiprocessing.Pool(processes=4)
    result=[]
    print "########%s###########"%now
    print "IPADDRSS\t\t\tLOSS\t\tMIN\t\tMAX\t\tAVG"
    for i in file.readlines():
        if len(i)==1 or i.startswith("#"):
           continue
        result.append(pool.apply_async(pinger,(i.strip(),))) 
    pool.close()           
    pool.join()