在与docker图像拉力赛中创建轨迹时使用ConnectionError

Question

我正在尝试使用Rally文档页面中的说明从现有的Elasticsearch集群创建自定义曲目。

我正在运行Rally as a Docker Image。我在同一个主机上运行了elasticsearch:7.12.0和一个docker镜像。docker容器正在运行，可以使用基本身份验证访问主机。

$ sudo docker container ls
CONTAINER ID   IMAGE                                                  COMMAND             CREATED             STATUS             PORTS                                                 NAMES
a60bca4121c6   docker.elastic.co/elasticsearch/elasticsearch:7.12.0   "/bin/tini -- /usr/l…"   About an hour ago   Up About an hour   0.0.0.0:9200->9200/tcp, :::9200->9200/tcp, 9300/tcp   es01
2241695bdfa7   docker.elastic.co/elasticsearch/elasticsearch:7.12.0   "/bin/tini -- /usr/l…"   About an hour ago   Up About an hour   9200/tcp, 9300/tcp                                    es02


$ curl -XGET http://localhost:9200 -u elastic:esbackup-password
{
  "name" : "es01",
  "cluster_name" : "es-docker-cluster",
  "cluster_uuid" : "04EdIVB_QC2il_3iJCarkw",
  "version" : {
    "number" : "7.12.0",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "78722783c38caa25a70982b5b042074cde5d3b3a",
    "build_date" : "2021-03-18T06:17:15.410153305Z",
    "build_snapshot" : false,
    "lucene_version" : "8.8.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

当我尝试使用--client-options执行create-track命令时，我得到下面提到的ConnectionError。

$ sudo docker run elastic/rally create-track --track=mytrack --target-hosts=localhost:9200 --client-options="timeout:60,use_ssl:false,verify_certs:false,basic_auth_user:'elastic',basic_auth_password:'esbackup-password'" --indices="my-index-local-*" --output-path=~/tracks

    ____        ____
   / __ \____ _/ / /_  __
  / /_/ / __ `/ / / / / /
 / _, _/ /_/ / / / /_/ /
/_/ |_|\__,_/_/_/\__, /
                /____/

[ERROR] Cannot create-track. ConnectionError(<urllib3.connection.HTTPConnection object at 0x7fdc8ca93220>: Failed to establish a new connection: [Errno 111] Connection refused) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x7fdc8ca93220>: Failed to establish a new connection: [Errno 111] Connection refused).

Getting further help:
*********************
* Check the log files in /rally/.rally/logs for errors.
* Read the documentation at https://esrally.readthedocs.io/en/2.2.0/.
* Ask a question on the forum at https://discuss.elastic.co/tags/c/elastic-stack/elasticsearch/rally.
* Raise an issue at https://github.com/elastic/rally/issues and include the log files in /rally/.rally/logs.

-------------------------------
[INFO] FAILURE (took 1 seconds)
-------------------------------

从错误中可以清楚地看出，在docker容器中运行的Rally无法创建与在单独容器中运行的Elasticsearch的连接。我在--client-options中传递了凭据，但似乎没有选择这些凭据。

不确定，我到底做错了什么！如有任何建议，我们将不胜感激！

Answer 1

感谢Elastic团队在他们的官方讨论频道回答了这个问题：

该设置需要在Elasticsearch和Rally容器之间配置和共享docker网络，以便它们能够通信。

我们不会在这里说明你的Elasticsearch容器是如何运行的，但是一旦我们让它在网络中执行，我们就可以用以下命令运行rally (假设你替换了网络和容器名称占位符)：

$ docker run --network <es-network-name> elastic/rally create-track --track=mytrack --target-hosts=<es-container-name>:9200 --client-options="timeout:60,use_ssl:false,verify_certs:false,basic_auth_user:'elastic',basic_auth_password:'esbackup-password'" --indices="my-index-local-*" --output-path=~/tracks

参考- https://discuss.elastic.co/t/connectionerror-while-creating-track-in-rally-with-docker-image/272448?u=akm