[LRUG] requiring one rails environment from another

[Kenneth Lee]

That's also a good pattern for deployment scripts e.g. using capistrano 
to copy database.production|staging|alpha.yml -> database.yml

I avoid having a database.yml that has dev/test/other envs mixed with 
production. Has saved me many times when forgetting to specify an 
environment. YMMV.

Ken

Matthew Rudy Jacobs wrote:
> I always do this
>
>     * keep my standard database.yml as a database.example.yml
>     * keep database.yml out of version control
>     * for a dev setup copy database.example.yml -> database.yml
>
> can't remember where I picked this up from
> but it seems to work.
>
> On 14 April 2010 00:28, Tim Cowlishaw <tim at timcowlishaw.co.uk 
> <mailto:tim at timcowlishaw.co.uk>> wrote:
>
>     aah, that's useful, thanks! Have decided to go with an
>     unchecked-in database.yml but will take note.
>
>     On 13 Apr 2010, at 00:47, Alex MacCaw wrote:
>
>     > You need to eval the production file with the current context,
>     like so:
>     >
>     >         config = configuration # Need local config variable
>     >         eval(IO.read(path), binding, path)
>     >
>     > Alex
>     >
>     >>
>     ----------------------------------------------------------------------
>     >>
>     >> Message: 1
>     >> Date: Mon, 12 Apr 2010 17:07:44 +0100
>     >> From: Tim Cowlishaw <tim at timcowlishaw.co.uk
>     <mailto:tim at timcowlishaw.co.uk>>
>     >> To: LRUG LRUG <chat at lrug.org <mailto:chat at lrug.org>>
>     >> Subject: [LRUG] requiring one rails environment from another
>     >> Message-ID:
>     <2097FF98-1CDD-46A9-847E-DA9060CDBBED at timcowlishaw.co.uk
>     <mailto:2097FF98-1CDD-46A9-847E-DA9060CDBBED at timcowlishaw.co.uk>>
>     >> Content-Type: text/plain; charset=us-ascii
>     >>
>     >> Hey there chaps,
>     >>
>     >> I'm in the middle of setting up a CI server for our office and
>     have run into what seems like a slight gotcha.
>     >>
>     >> Basically, i need to set up a seperate rails environment called
>     something like "CI", so that the CI server can have its own mysql
>     credentials, rather than requiring all users to user the same. So,
>     i set this up in database.yml, and create a ci.rb file in
>     config/environments that contains only a "require
>     File.dirname(__FILE__)+ '/test.rb'" to load in the regular test
>     environment. However, as the code in the required file isn't
>     evaled in the same context as where the 'require' happens - it
>     fails with "undefined local variable or method `config' for
>     main:Object" on the line "config.cache_classes = true", the first
>     line in the required 'test.rb'.
>     >>
>     >> Clearly I'm going about this the wrong way - has anyone else
>     any bright ideas about allowing two distinct environments to share
>     configuration, without resorting to putting it all in environment.rb?
>     >>
>     >> Cheers,
>     >>
>     >> Tim
>     >>
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