[chef] Re: Re: Wrapper Cookbook Attribute Overwrite Question

["David A. Williams" < >]

Xabier and Rajiv,

Thank you for your responses!  Xabier I went with your approach and it
worked.  Rajiv, I use environments for cookbook versions.

David Williams


On 6/12/14 6:39 PM, "Xabier de Zuazo" 
<
 >
 wrote:

>On Thu, 12 Jun 2014 11:15:02 -0500
>"David A. Williams" 
><
 >
> wrote:
>
>> I'm setting up a wrapper cookbook to overwrite some node attributes.
>> However it appears when that attribute is a hash it runs both
>> configs.  Has anyone experienced this?
>>
>> For example in my base cookbook, I have
>> attributes/default.rb
>> default['operations']['tomcat_instances']  = {:Dev  => { :port =>
>> '80', :sites => %w[Dev] }}
>>
>> And in my wrapper cookbook, I have
>> recipes/raven_server.rb
>> node.set['operations']['tomcat_instances'] = {:QA=> { :port =>
>> '80', :sites => %w[Master Staging] }}
>>
>> After the chef run.  I have two Tomcat instances set up instead of
>> just one.
>
> That's because you are setting different attribute types (default vs.
> normal,set). In this case the Hashes are merged instead of replaced.
>
> You should use same attribute type like for example:
>
>node.default['operations']['tomcat_instances']  = {
>  :Dev  => { :port => '80', :sites => %w[Dev] }
>}
># ...
>node.default['operations']['tomcat_instances'] = {
>  :QA=> { :port => '80', :sites => %w[Master Staging] }
>}
>
> Or reset default attribute type:
>
>node.default['operations']['tomcat_instances']  = {
>  :Dev  => { :port => '80', :sites => %w[Dev] }
>}
># ...
>node.default['operations']['tomcat_instances'] = {}
>node.set['operations']['tomcat_instances'] = {
> :QA=> { :port => '80', :sites => %w[Master Staging] }
>}
>
>
> I know this can be confusing, but keep in mind that the attributes are
> of type Hash internally (Mash). These two things have the same effect:
>
>node.set['operations']['tomcat_instances'] = {
> :QA=> { :port => '80', :sites => %w[Master Staging] }
>}
>
>node.set['operations']['tomcat_instances']['QA']['port'] = '80'
>node.set['operations']['tomcat_instances']['QA']['sites'] = %w[
>  Master
>  Staging
>]
>
>--
>Xabier de Zuazo Oteiza
>IT System Administrator - Onddo Labs S.L.
>www.onddo.com
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