def test_create_marathon_lb(self):
    url = "http://63.159.217.161:8080/v2/apps"
    app = {
        "id": "marathon-lb",
        "cmd": None,
        "cpus": 1,
        "mem": 128,
        "disk": 0,
        "instances": 1,
        "container": {
            "type": "DOCKER",
            "volumes": [],
            "docker":{
                "image": "docker.io/mesosphere/marathon-lb",
                "network": "HOST",
                "portMappings": [],
                "privileged": True
            }
        },
        "healthChecks": [
            {
                "path": "/_haproxy_health_check",
                # 注意此处的协议是 MESOS_HTTP 否则会健康检查不通过报错，也有可能是网络问题，可以在marathon中 telnet或者 curl 部署容器内部(如172.7.0.2)所在的ip和端口
                "protocol": "MESOS_HTTP",
                "gracePeriodSeconds": 30,
                "intervalSeconds": 5,
                "timeoutSeconds": 5,
                "maxConsecutiveFailures": 5,
                "ignoreHttp1xx": False,
                "port": 9090
            }
        ],
        "args": [
            "sse",
            "-m",
            "http://63.159.217.161:8080",
            "--group",
            "external"
        ]
    }

    r = requests.post(url, headers=headers, json=app)
    print(r.status_code)
    print(json.dumps(r.json(), indent=4))