[chef] Re: how to manage dependent resources?

[Andrea Campi < >]

On Wed, Feb 29, 2012 at 9:53 AM, Bryan Berry 
<
 >
 wrote:
> I have an issue where I need to provide values generated dynamically by one
> resource to resources that follow it
>
> My tomcat lwrp generates a base directory for each new instance that is a
> readable attribute "base"
>
> Following resources will use that base attribute. In this example, the ivy
> resource should place a .jar file in the #{base}/lib directory
>
>
> include_recipe "ark"
>
> include_recipe "tomcat::base"
>
> include_recipe "ivy"
>
>
>
> t = tomcat "jira" do
>
>   user node['jira']['user']
>
>   action :install
>
> end
>
>
>
>
> # get mysql connector
>
> ivy "mysql-connector-java" do
>
>   groupId "mysql"
>
>   version "5.1.18"
>
>   dest    "#{t.base}/lib"    # evaluates to "/lib"
>
>
> end


The ivy provider should be able to retrieve the tomcat resource by
name, and then access any attribute.

So something like this:

ivy "mysql" do
  groupId "mysql"
  version "5.1.18"
  base_resource :tomcat => "jira"
end

And then in the ivy provider do:

parent = resources(new_resource.base_resource)
parent.base


That's off the top of my head so YMMV

Andrea