全局NPM软件包安装的简单CircleCI 2.0配置失败

问题描述：

我有一个运行良好的Dockerfile：

I have a Dockerfile that works fine:

FROM node:10
RUN npm set unsafe-perm true
RUN npm install -g '@oresoftware/r2g@0.0.132'

镜像上述Dockerfile的相同CircleCI config.yml文件不起作用：

but the same CircleCI config.yml file that mirrors the above Dockerfile does not work:

{
  "version": 2,
  "jobs": {
    "build": {
      "docker": [
        {
          "image": "circleci/node:10"
        }
      ],
      "steps": [
        {
          "run": "npm set unsafe-perm true"
        },
        {
          "run": "npm install -g --loglevel=warn '@oresoftware/r2g@0.0.132'"
        }
      ]
    }
  }
}

我使用上面的config.yml文件在CircleCI上收到以下错误：

I get the following error on CircleCI using the above config.yml file:

#!/bin/bash -eo pipefail
npm install -g --loglevel=warn @oresoftware/r2g
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
npm ERR! path /usr/local/lib/node_modules
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
npm ERR!  { [Error: EACCES: permission denied, access '/usr/local/lib/node_modules']
npm ERR!   stack:
npm ERR!    'Error: EACCES: permission denied, access \'/usr/local/lib/node_modules\'',
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/local/lib/node_modules' }
npm ERR! 
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR! 
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/circleci/.npm/_logs/2018-06-18T18_26_53_651Z-debug.log
Exited with code 243

$退出b $ b

CircleCI 2.0应该使用Docker，所以我不确定为什么会发生此权限错误。

CircleCI 2.0 should use Docker, so I am not sure why this permissions error is happening.

答

他说，最上面的Dockerfile与CircleCI-config中的不完全相同。在Dockerfile中，基本映像为 node ，默认情况下，该映像在 root 用户下运行。

As said the Dockerfile from the top is not fully identical with the one in the CircleCI-config. In the Dockerfile the base image is node which by default runs under the root user.

另一方面， circleci / node 图像将落入无特权的 circleci 用户。因此，基于 node 映像的100％相同的Dockerfile看起来像这样：

The circleci/node image on the on the other hand drops to the unprivileged circleci user. So a 100% identical Dockerfile based on the node image would look like this:

FROM node:10
RUN useradd -m circleci
USER circleci
RUN npm set unsafe-perm true
RUN npm install -g '@oresoftware/r2g@0.0.132'

使用此Dockerfile，出现与CircleCI中相同的错误。

And with this Dockerfile the same error appears as in CircleCI.

一个解决方案是使用 sudo ，这样做的问题是您必须使用 sudo $每个使用您安装的节点软件包的命令上的c $ c>（由于使用sudo，它实际上将安装在 / root 目录中，而 circleci 用户）。

One solution would be to use sudo, the problem with this is that you would have to use sudo on every command which makes use of the node package you installed (since with sudo it would actually be installed in the /root directory which is not accessible with the circleci user).

我认为更好的选择是将软件包安装在 circleci 主目录中。

I think the better option would be to install the package in the circleci home directory.

{
  "version": 2,
  "jobs": {
    "build": {
      "docker": [
        {
          "image": "circleci/node:10"
        }
      ],
      "steps": [
        {
          "run": "npm set prefix=/home/circleci/npm && echo 'export PATH=$HOME/circleci/npm/bin:$PATH' >> /home/circleci/.bashrc"
        },
        {
          "run": "npm install -g --loglevel=warn '@oresoftware/r2g@0.0.132'"
        }
      ]
    }
  }
}

您不必每次都要使用软件包时都使用 sudo 。

This way you don't have to sudo everytime you want to use the package.

全局NPM软件包安装的简单CircleCI 2.0配置失败

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