[chef] Re: A new kind of Resource: the resource cookbook

[Sean OMeara < >]

This is a *big deal*.
This is going to change the way people write Chef.

+1000

-s

On Thu, Feb 19, 2015 at 3:56 PM, John Keiser 
<
 >
 wrote:
> Hey all,
>
> Chef Resources are incredibly important to creating good, useful, reusable
> cookbooks.  Yet people often don't create them because it's harder than it
> should be.  We need to change that.
>
> The "resource" cookbook, released today, is a big step in that direction,
> making Chef resources both more powerful and much easier to write, use, and
> customize.  I'd love your thoughts on this new shape for a resource.
>
> Some of the key ideas:
> - Simplify resources to a single file, using "recipe" and removing
> providers.
> - Make primitive resources easy with the "converge" and "load" keywords."
> - Make resources readable as well as writeable.
> - Make it easy to customize resources in place, adding defaults and tweaks.
>
> To use it,
> 1. Grab the resource cookbook
> 2. Add "depends 'resource'" to your cookbook's metadata
> 3. Write a resource (say, and use it!
>
>   # resources/user_data.rb
>   property :path, Path, identity: true, default: '/etc/httpd.conf'
>   property :full_name, String
>   property :total, Integer
>   recipe do
>     file path do
>       content "FullName '#{full_name}'\nTotal #{total}"
>     end
>   end
>
> I'd love to get feedback and people trying it out.  This is experimental at
> this time, though!  There are bugs (though all known bugs are presently
> fixed).  Things will change.  There is a lot of feedback to gather and that
> will affect what it does.  On the other hand, this has been through a long
> revision cycle already in an attempt to produce something close enough to
> right that I hope it won't change *much,* or in fundamental ways.
>
> For a quickstart and documentation, see the cookbook or the README on the
> repository.
> For a detailed feature list and in-depth comparison between Chef HWRP/LWRPs
> and the resource cookbook, see the 0.1 release notes.
> The rubygems cookbook example is being used to manage gem ownership for Chef
> gems, and serves as an initial example of an API cookbook.
>
> Join us on gitter if you want to chat, or feel free to file issues for
> things you'd like, things you don't like that are there, things you'd like
> to change.
>
> Thanks!
>
> --John Keiser
> 
 
>