import socket
socket.setdefaulttimeout(5)
from ftplib import FTP

def __run__(params):
    try:

        timeout = 5
        if params.get("timeout"):
            timeout = params.get("timeout")

        connection = FTP()
        connection.connect(params.get("hostname", "localhost"), params.get("port", 21), timeout)
        if params.get("username") and params.get("password"):
            connection.login(params.get("username"), params.get("password"))
    except socket.timeout:
        return [2, 'CRITICAL: Socket timeout']
    except socket.gaierror:
        return [2, 'CRITICAL: Unable to resolve domain']
    except Exception, e:
        return [2,'CRITICAL: %s' % repr(e)]
    else:
        return [0, "OK"]