blocks|key|3883048|text|我们遇到了同样的问题，并向EngineYard寻求帮助。来自安永的Jim+Neath回复如下：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3883049|3883050|不幸的是，passenger没有从系统中获得传递的环境变量。您需要做的是创建一个ruby包装器，它定义您的环境变量并使用以下代码启动passenger，如下所述：|blockquote|3883051|3883052|http://blog.phusion.nl/2008/12/16/passing-environment-variables-to-ruby-from-phusion-passenger/|offset|length|3883053|我已经为你创建了一个基本的自定义厨师食谱，它将做到这一点：|3883054|https://github.com/jimneath/ey-cloud-recipes/tree/master/cookbooks/passenger_env_vars|3883055|您将需要使用您的环境变量更新以下文件：|3883056|/ey-cloud-recipes/blob/master/cookbooks/passenger_env_vars/templates/default/env.custom.erb|3883057|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|0|0|0|2N|0|0|0|0|2D|1|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|11|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|12|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|13|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|14|8|@]|9|@$I|15|J|16|1|17]]|A|$]]|$1|K|3|L|5|6|7|18|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|19|8|@]|9|@$I|1A|J|1B|1|1C]]|A|$]]|$1|O|3|P|5|6|7|1D|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1E|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|H]]|Z|$5|V|W|X|A|$Y|N]]]]

We ran into the same issue and asked EngineYard for some assistance. Jim Neath from EY came back with the following response:

<blockquote>
 Unfortunately, passenger does not get passed environment variables
 from the system. What you need to do is create a ruby wrapper that
 defines your environment variables and launch passenger using this, as
 described here:
 
 <a href="http://blog.phusion.nl/2008/12/16/passing-environment-variables-to-ruby-from-phusion-passenger/">http://blog.phusion.nl/2008/12/16/passing-environment-variables-to-ruby-from-phusion-passenger/</a>
 
 I have created you a basic custom chef recipe that will do just this:
 
 <a href="https://github.com/jimneath/ey-cloud-recipes/tree/master/cookbooks/passenger_env_vars">https://github.com/jimneath/ey-cloud-recipes/tree/master/cookbooks/passenger_env_vars</a>
 
 You will need to update the following file with your environment
 variables:
 
 /ey-cloud-recipes/blob/master/cookbooks/passenger_env_vars/templates/default/env.custom.erb
</blockquote>

blocks|key|3883006|text|我认为你不能。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3883007|我们在Rails应用程序中使用的一个变通方法是ssh+(ey+ssh)到EngineYard并在vim+/data/your_app_name/shared/config/exports.rb中创建一个文件。此文件可能如下所示：|3883008|ENV["AWS_ACCESS_KEY_ID"]+=+"your+key"
ENV["AWS_SECRET_ACCESS_KEY"]+=+"your+secret"
ENV["AWS_BUCKET"]+=+"your+bucket"|code-block|syntax|javascript|3883009|然后在config/boot.rb中需要该文件：|3883010|require+File.expand_path('./exports',+File.dirname(__FILE__))|3883011|这既不漂亮，也不容易。但是，它允许您在应用程序中使用不应该签入到源代码控制中秘密！|3883012|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

I don't think you can =/.

One work-around that we use with our Rails applications is to ssh (ey ssh) to EngineYard and create a file in vim /data/your_app_name/shared/config/exports.rb. This file can look something like this: 

<pre><code>ENV["AWS_ACCESS_KEY_ID"] = "your key"
ENV["AWS_SECRET_ACCESS_KEY"] = "your secret"
ENV["AWS_BUCKET"] = "your bucket"
</code></pre>

Then in config/boot.rb you require the file: 

<pre><code>require File.expand_path('./exports', File.dirname(__FILE__))
</code></pre>

This is neither pretty, nor effortless. It however let you use secrets in your app that you should not check into source control!

blocks|key|3883092|text|对于使用env.custom的独角兽来说，这非常简单。请看我的回答，https://stackoverflow.com/a/13741463/1520775|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3883093|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/13741463/1520775^0|Y|18|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

This is pretty simple for Unicorn using env.custom. Take a look at my answer here <a href="https://stackoverflow.com/a/13741463/1520775">https://stackoverflow.com/a/13741463/1520775</a>

blocks|key|3883116|text|如果要运行需要这些环境变量的rake任务(即cron作业)，请将这些变量存储在/data/my_app/shared/config/env.custom中|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3883117|source+/data/my_app/shared/config/env.custom+&&+cd+/data/my_app/current/+&&+bundle+exec+rake+my_rake_task|code-block|syntax|javascript|3883118|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you want to run a rake task (i.e. cron job) that needs these environmental variables, store the variables in /data/my_app/shared/config/env.custom 

<pre><code>source /data/my_app/shared/config/env.custom &amp;&amp; cd /data/my_app/current/ &amp;&amp; bundle exec rake my_rake_task
</code></pre>

blocks|key|103373|text|我之前也在使用Heroku，现在我转到了Engineyard。这就是我在Heroku中获取ENvironemnt变量的方法，我添加了gem+figaro。这个gem基本上需要app/config目录下的application.yml文件。在初始化Rails应用程序时，它将被执行并将以YAML格式设置的键值对加载到内存中。在Heroku中，Figaro可以选择设置application.yml的内容。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|103374|$+figaro+heroku:set+-e+production|code-block|syntax|javascript|103375|然而，在Engineyard中，我们需要使用EY包的SCP选项手动复制application.yml，其余的工作将由figaro完成。|103376|首先在gem文件中包含gem+figaro并安装gem。|103377|然后，我们需要使用engineyard-hooks将文件/data/[your_app]/shared/config/application.yml复制到/data/[your_app]/current/config/application.yml。我们需要使用before_restart钩子|103378|#+inside+your+project+repo+create+a+'deploy'+folder+and
#+++inside+deploy/before_restart.rb+paste+the+following+code+with+or+without+modifications
#+This+file+is+executed+everytime+after+deploy+just+before+your+app+restarts
on_app_servers_and_utilities+do
++#+Copy+the+yaml+files+from+`shared/config`+to+`current/config`
++['application.yml'].each+do+%7Cfile_name%7C
++++run+"ln+-nfs+#{config.shared_path}/config/#{file_name}+#{config.release_path}/config/#{file_name}"
++end
end|103379|提交您的更改并推送到您的github存储库或其他地方。|103380|到目前为止，还不存在/data/[your_app]/shared/config/application.yml文件。现在使用以下命令将文件从本地复制到服务器|103381|#+This+copies+the+application.yml+to+every+instance+like+app_master,+app_slave,+utilities,+database,+etc++++
$+ey+scp+config/application.yml+HOST:/data/[your_app_name]/shared/config/+-e+app_environment+--all|103382|现在，您可以部署您的应用程序，并获得所有环境变量。|103383|103384|注意:每次引导环境时，都需要调用上面的命令将文件复制到服务器。这意味着如果您停止转移(例如)，并在一段时间后启动它，那么您需要调用上面的|blockquote|103385|
命令|103386|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/laserlemon/figaro|1|2|3|https://support.cloud.engineyard.com/hc/en-us/articles/205407008-Use-Ruby-Deploy-Hooks^0|7|6|K|A|10|6|1Y|6|2F|A|2T|F|3F|5|3Y|4|4I|6|4Q|6|52|F|1Y|6|0|0|0|4|A|M|2|Q|3|Z|F|1M|6|1|0|F|6|2|0|S|1A|25|1B|3N|E|9|G|3|0|0|0|A|1A|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1I|8|@$9|1J|A|1K|B|C]|$9|1L|A|1M|B|C]|$9|1N|A|1O|B|C]|$9|1P|A|1Q|B|C]|$9|1R|A|1S|B|C]|$9|1T|A|1U|B|C]|$9|1V|A|1W|B|C]|$9|1X|A|1Y|B|C]|$9|1Z|A|20|B|C]|$9|21|A|22|B|C]|$9|23|A|24|B|C]]|D|@$9|25|A|26|1|27]]|E|$]]|$1|F|3|G|5|H|7|28|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|29|8|@$9|2A|A|2B|B|C]|$9|2C|A|2D|B|C]|$9|2E|A|2F|B|C]|$9|2G|A|2H|B|C]]|D|@$9|2I|A|2J|1|2K]]|E|$]]|$1|M|3|N|5|6|7|2L|8|@]|D|@$9|2M|A|2N|1|2O]]|E|$]]|$1|O|3|P|5|6|7|2P|8|@$9|2Q|A|2R|B|C]|$9|2S|A|2T|B|C]|$9|2U|A|2V|B|C]]|D|@$9|2W|A|2X|1|2Y]]|E|$]]|$1|Q|3|R|5|H|7|2Z|8|@]|D|@]|E|$I|J]]|$1|S|3|T|5|6|7|30|8|@]|D|@]|E|$]]|$1|U|3|V|5|6|7|31|8|@$9|32|A|33|B|C]]|D|@]|E|$]]|$1|W|3|X|5|H|7|34|8|@]|D|@]|E|$I|J]]|$1|Y|3|Z|5|6|7|35|8|@]|D|@]|E|$]]|$1|10|3|-4|5|6|7|36|8|@]|D|@]|E|$]]|$1|11|3|12|5|13|7|37|8|@]|D|@]|E|$]]|$1|14|3|15|5|6|7|38|8|@]|D|@]|E|$]]|$1|16|3|-4|5|6|7|39|8|@]|D|@]|E|$]]]|17|$18|$5|19|1A|1B|E|$1C|1D]]|1E|$5|19|1A|1B|E|$1C|1D]]|1F|$5|19|1A|1B|E|$1C|1D]]|1G|$5|19|1A|1B|E|$1C|1H]]]]

I was also using <code>Heroku</code> previously now I moved to <code>Engineyard</code>. This is how I get my ENvironemnt variables in <code>Heroku</code>
I added gem <a href="https://github.com/laserlemon/figaro" rel="nofollow"><code>figaro</code></a>. This gem basically needs file <code>application.yml</code> in <code>app/config</code> directory. When <code>Rails</code> app is initialized, it gets executed and loads the key value pair set in <code>YAML</code> format into memory. In <code>Heroku</code> <code>Figaro</code> has option to set the content of <code>application.yml</code>.

<pre><code>$ figaro heroku:set -e production
</code></pre>

However, In <code>Engineyard</code> we need to manually copy the <code>application.yml</code> using <code>SCP</code> option of <code>EY</code> package and rest thing will be done by <a href="https://github.com/laserlemon/figaro" rel="nofollow">figaro</a>. 

First include the gem <a href="https://github.com/laserlemon/figaro" rel="nofollow">figaro</a> in gemfile and install the gem. 
Then we need to use <a href="https://support.cloud.engineyard.com/hc/en-us/articles/205407008-Use-Ruby-Deploy-Hooks" rel="nofollow">engineyard-hooks</a> to copy the file <code>/data/[your_app]/shared/config/application.yml</code> to <code>/data/[your_app]/current/config/application.yml</code>.
we need to use <code>before_restart</code> hook 

<pre><code># inside your project repo create a 'deploy' folder and
# inside deploy/before_restart.rb paste the following code with or without modifications
# This file is executed everytime after deploy just before your app restarts
on_app_servers_and_utilities do
 # Copy the yaml files from `shared/config` to `current/config`
 ['application.yml'].each do |file_name|
 run "ln -nfs #{config.shared_path}/config/#{file_name} #{config.release_path}/config/#{file_name}"
 end
end
</code></pre>

Commit your changes and push to your github repo or somewhere.

Upto here, there doesnot exists the file <code>/data/[your_app]/shared/config/application.yml</code>. Now use the following command to copy the file from local to servers

<pre><code># This copies the application.yml to every instance like app_master, app_slave, utilities, database, etc 
$ ey scp config/application.yml HOST:/data/[your_app_name]/shared/config/ -e app_environment --all
</code></pre>

Now you can deploy your app and you get all your environment variables.

<blockquote>
 Note : You need to invoke the above command to copy file to server every time you boot the enviroment. Means if you stop the staging (for example) and after some time boot it up then you need to invoke the command above
</blockquote>

I know from heroku that it’s possible to add environment variables by running <code>heroku config:add MY_ENV_VAR=123</code> locally. How can I achieve the same thing with engineyard?

Setting environment variables in engineyard

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我从heroku那里了解到，可以通过在本地运行heroku config:add MY_ENV_VAR=123来添加环境变量。如何使用engineyard实现相同的功能？

问在engineyard中设置环境变量
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回答 5

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