check nodes

check_nodes.py

import socket
import sys

def check_server(address, port):
    s = socket.socket()
    s.settimeout(2)
    try:
	    s.connect((address, port))
	    return True
    except socket.error, e:
	    return False
	  
nodes = open("nodelist.txt").readlines()

healthy_list = []

for node in nodes:
    node = node.replace("\n", "")

    if check_server(node, 1968):
        healthy_list.append(node)
        
print healthy_list