Check service availability from Python script

check_srv.py

!/usr/bin/env python
# Check service availability
# Usage: $0 hostname port

import socket
import sys

if len(sys.argv) != 3:
    sys.stderr.write("Usage: %s hostname port\n" % sys.argv[0])
    sys.exit(2)

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
    s.connect((sys.argv[1], int(sys.argv[2])))
except socket.error as e:
    print "%s:%s returns %s " % (sys.argv[1], sys.argv[2], e)
s.close()