import subprocess

def __run__(params):
    try:
        p = subprocess.Popen(["ps", "-ely"], stdout=subprocess.PIPE)
        out, err = p.communicate()

        if ('haproxy' in out):
                return [0,'OK! HaProxy is running!']
        else:
                return [2, 'CRITICAL: HaProxy is not running, check the service!']
    except Exception, e:
        return [2, 'CRITICAL: {0}'.format(str(e))]