def apiserverVersion():
    cmd = 'kube-apiserver --version'.split()
    version_string = check_output(cmd).decode('utf-8')
    return tuple((int(q) for q in re.findall('[0-9]+', version_string)[:3]))
def apiserverVersion():
    cmd = 'kube-apiserver --version'.split()
    version_string = check_output(cmd).decode('utf-8')
    return tuple((int(q) for q in re.findall('[0-9]+', version_string)[:3]))