#!/usr/bin/python

def __run__(params):
    try:
        warning  = int(params.get("warning"))
        critical = int(params.get("critical"))
        f = open("/proc/swaps")
        try:
            line = f.readlines()[1].strip()
        except:
            return [0, "OK - No Swap"]
        size = line.split()[2]
        used = line.split()[3]
        if used == "0":
            return [0, "OK - Free Swap: 100%"]
        pct = 100 - ((int(used) * 100) / int(size))
        if (pct <= warning and pct > critical):
            return [1, "WARNING - Free Swap: %s%% Warning: %s%% Critical: %s%%" % (pct,warning,critical)]
        elif pct <= critical:
            return [2, "CRITICAL - Free Swap: %s%% Warning: %s%% Critical: %s%%" % (pct,warning,critical)]
        else:
            return [0, "OK - Free Swap: %s%% Warning: %s%% Critical: %s%%" % (pct,warning,critical)]

    except Exception as e:
         return [2, "CRITICAL - Error: %s%%" % e]