import yaml

def __run__(params):
    try:
        string = yaml.load(params.get('string'))
        file = yaml.load(params.get('file'))
    except Exception, e:
        return [2, "CRITICAL - Error : %s" % repr(e)]

    newstring = "slave"
    check = 0

    linha = []
    with open(file) as fname:
        for line in fname:
            if string in line:
                check = 1
                linha.append(line.split()[0])

    with open('/etc/xensource/pool.conf') as pool:
        for line in pool:
            if newstring not in line:
                if check:
                    return [2, "Coalesce is NOT RUNNING - %s" % linha[0:9] ]
                else:
                    return [0, "Coalesce OK or I am not the master"]
            else:
                return [0, "Coalesce OK or I am not the master"]