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3.x docker image requires usernames longer than a single character

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还没有人认领这个 Issue。

评估

难度
2/5
预计耗时
1-3 小时
新手友好度
45/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
停滞
技术栈
docker, shell
领域
databases, devops

调研方向

从第 85 行附近的 docker-entrypoint.sh 正则表达式检查开始,使用文档中所述的、带有 COUCHDB_USER=l 的 docker run 命令重现该故障。检查单字符用户名是否被接受,以及 CouchDB 容器是否在没有所示验证错误的情况下启动。

由索引模型根据 Issue 内容生成。

描述

Expected Behavior

I expect to be able to set a username via the COUCHDB_USER environment variable with a length of 1 character.

Current Behavior

Previous versions of the docker image did not have any validation on service start. The current versions fails if the specified COUCHDB_USER is a single character.

You'll see the following message on container start with a single-character username:

*************************************************************
ERROR: CouchDB 3.0+ will no longer run in "Admin Party"
       mode. You *MUST* specify an admin user and
       password, either via your own .ini file mapped
       into the container at /opt/couchdb/etc/local.ini
       or inside /opt/couchdb/etc/local.d, or with
       "-e COUCHDB_USER=admin -e COUCHDB_PASSWORD=password"
       to set it via "docker run".
*************************************************************

I believe the cause is the \w+ in the regex check here

Possible Solution

I think changing the \w+ to \w* will allow the previous behavior.

Steps to Reproduce (for bugs)

docker run -e COUCHDB_USER=l -e COUCHDB_PASSWORD=password -d couchdb

Here is an example of downstream usage of the image where it just constantly restarts the container (though the error message isn't surfaced as I don't surface that in the tests):

https://github.com/dokku/dokku-couchdb/runs/3578023307?check_suite_focus=true

Context

This breaks my tests, which I try to sync between all datastore plugins. Fixing it just means increasing the username length, but its annoying since now I can't easily copy the files over as tests change.

That said, its not a super-critical bug, just an annoying one.

Your Environment

  • Version used: 3.1.1
  • Browser Name and version: Safari Version 14.1.2 (16611.3.10.1.3)
  • Operating System and version (desktop or mobile): macOS Big Sur 11.5
  • Link to your project: https://github.com/dokku/dokku-couchdb
主要语言
Dockerfile
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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 有 Pull Request 模板
  • 没有贡献指南

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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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