[chef] Re: Re: chef_gem vs. gem_package

[Mike < >]

To further elaborate, using the `gem_binary_location` variable to
specify exactly which gem environment you want the installed gem under
(if you have multiple installations) is the way to go.
-M

On Mon, Aug 5, 2013 at 1:25 PM, Scott M. Likens 
<
 >
 wrote:
> Sam,
>
> Sounds like http://docs.opscode.com/resource.html is a bit off. Perhaps my
> history is off, but if I recall chef_gem was created as a helper to install
> the gem during the compilation phase and reload the gem path so you can load
> said gem in your cookbook.
>
> Reviewing
> https://github.com/opscode/chef/blob/11.6.0/lib/chef/resource/chef_gem.rb#L43-49
> does appear to make this assumption true.  chef_gem is using the same
> resource to install gems, it just has the after command to reload the gem
> path.
>
> https://github.com/opscode/chef/blob/11.6.0/lib/chef/resource/gem_package.rb
>
> So you use gem_package if you want the gem installed during the regular
> cookbook run; if you need to use the gem in your cookbooks you should use
> chef_gem.
>
> Yeah it sounds like there's a documentation ticket in the brew for this
> resource, at least my knowledge conflicts with the documentation.
>
> Scott
>
>
>
> On 8/5/13 5:31 AM, Sam Darwin wrote:
>>
>> from the documentation:
>>
>> Warning
>> The chef_gem and gem_package resources are both used to install Ruby gems.
>> For
>> any machine on which Chef is installed, there are two instances of Ruby.
>> One is
>> the standard, system-wide instance of Ruby and the other is a dedicated
>> instance that is available only to Chef. Use the chef_gem resource to
>> install
>> gems into the instance of Ruby that is dedicated to Chef. Use the
>> gem_package
>> resource to install all other gems (i.e. install gems system-wide).
>>
>> from observation:
>>
>> gem_package will fall-back to chef_gem behavior if ruby isn't on the
>> system.
>> have you seen this?  Am I imagining it?     The problem is that you don't
>> get
>> consistent results from a recipe.   If one machine has a system ruby 1.8,
>> another machine has chef-client (with ruby 1.9) and no system ruby, very
>> different things can happen with the same recipe.     Should the meaning
>> of
>> chef_gem vs. gem_package , and the differences between them,  be more
>> enforced?
>>
>> !DSPAM:51ff9b3b321631804284693!
>>
>