问题描述
我正在尝试使用 Rally 文档页面中的说明从现有的 Elasticsearch 集群创建自定义轨道。
我将 Rally 作为 Docker 映像运行。我在同一主机中运行 elasticsearch:7.12.0 以及 docker 映像。 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,出现下面提到的 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)
-------------------------------
从错误中可以明显看出,在 docker 容器中运行的 Rally 无法与在单独容器中运行的 Elasticsearch 创建连接。我正在 --client-options 中传递凭据,但似乎这些凭据没有被获取。
不确定,我在这里做错了什么!任何指针将不胜感激!
解决方法
感谢 Elastic Team 在他们的官方讨论频道上回答这个问题:
该设置需要在 Elasticsearch 和 Rally 容器之间配置和共享 docker 网络,以便它们进行通信。
我们没有在此说明您的 Elasticsearch 容器是如何运行的,但是一旦我们将它与网络一起执行,我们就可以使用以下内容运行集会(前提是您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