在隔离的 CentOS 7 服务器上安装 Discourse

社区维基 系统管理员
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21

Most plugins carry all the code they need and have a simple install. Those two you tried to use need to fetch gems (libraries) from the internet to able to function.

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22

do you know where in the code those ruby gem fetches for plugins happen? I tried looking for it but haven’t found the right place yet.

I’m thinking maybe instead of using cached gems maybe it would be more elegant to run a rubygems mirror on the isolated host, i found a tutorial here and it looks like you can configure extra system-wide gem sources

https://guides.rubygems.org/run-your-own-gem-server/

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23

Our internal Discourse has happily been running the same old version for a good long while now, but we are finally getting rid of IE9 so it’s way overdue for an upgrade.
I can report that this guide is still good with the latest versions of Discourse. Even with RHEL8 instead of 7 :slight_smile:

While experimenting I figured out a way to get those discourse-prometheus and discourse-calendar plugins working offline too even with the extra dependencies, the trick was to fish out the ruby gems from the plugin directory of the build server as well as the ones in /var/www/discourse/vendor/bundle/ruby

docker run -it -v ~/local/rubygems.org:/local-rubygems local_discourse/app /bin/bash -c "cp -rv /var/www/discourse/vendor/bundle/ruby /local-rubygems"
docker run -it -v ~/local/rubygems.org/plugin-gems/discourse-calendar:/local-rubygems local_discourse/app /bin/bash -c "cp -rv /var/www/discourse/plugins/discourse-calendar/gems /local-rubygems"
docker run -it -v ~/local/rubygems.org/plugin-gems/discourse-prometheus:/local-rubygems local_discourse/app /bin/bash -c "cp -rv /var/www/discourse/plugins/discourse-prometheus/gems /local-rubygems"

and then in /templates/web.template.yml :

  - exec:
      cd: $home
      hook: bundle_exec
      cmd:
        # copy local ruby cache
        - cp -rv /local-rubygems.org/ruby/* $home/vendor/bundle/ruby/
        - cp -rv /local-rubygems.org/plugin-gems/* $home/plugins/
        - su discourse -c 'bundle install --local --deployment --retry 3 --jobs 4 --verbose --without test development'

By the way it looks like the topic for Active Directory IIS SSO got lost at some point, but the code is still available at GitHub - laktak/discourse-sso: Single Sign On for Discourse with Active Directory and still works with the now renamed DiscourseConnect SSO

24

我尝试了另一次升级，看起来在某个时候 web.template.yml 中添加了一个新的“yarn install”部分，这在隔离环境中会中断。

- exec:
      cd: $home
      cmd:
        - "[ ! -d 'node_modules' ] || su discourse -c 'yarn install --production && yarn cache list'"

比较新旧容器的内容时，看起来新容器的 /usr/local/share/.cache/yarn/v6 中有很多缓存的 yarn 包，而旧容器中则没有，我猜所有必需的 node.js 以前都包含在基础镜像中，但现在它们在重建过程中被更新了？

我将尝试以与复制 ruby 缓存相同的方式复制 yarn 缓存，看看是否能让 yarn 使用构建框中的缓存包。