Fabric checking for port 22 socket connection

fabfile-socket.py

from fabric.api import sudo, env, put
import configuration as config
import socket, time

env.hosts = open('hosts_file', 'r').readline().rstrip()
env.user = config.USERNAME
env.port = '22'
env.key_filename = config.KEY_FILE
env.warn_only = True

s = socket.socket()
while True:
  try:
    s.connect((env.hosts, 22))
    break
  except Exception:
    time.sleep(10)