#!/usr/bin/python
import socket
import fcntl
import struct
import yaml

def __run__(params):
    try:
        def get_ip_address(ifname):
            s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            return socket.inet_ntoa(fcntl.ioctl(
                s.fileno(),
                0x8915,  # SIOCGIFADDR
                struct.pack('256s', ifname[:15])
            )[20:24])

        if get_ip_address(params.get('iface')) == params.get('ip'):
            return [0, 'OK - Server in route']
        else:
            return [0, 'CRITICAL - Server out of route']
    except Exception,e:
        return [0, 'CRITICAL - %s' % e]