[chef] Re: Default attributes are merging

[Adam Jacob < >]

If they are at the same precedence level, they get deep merged
together.  Use precedence to override the value entirely.

Adam

On Tue, Oct 4, 2011 at 6:25 AM, Geoff Meakin Acid
<
 >
 wrote:
> Hi all,
>
> I've tried to set up a bind DNS server using chef.
>
> My bind cookbook has the following default attributes:
> (cookbooks/bind/attributes/default.rb)
> default[:bind][:upstream_servers] = ['8.8.8.8','8.8.4.4']  # e.g. the 
> google DNS servers
>
> However in my "production" environment file, I change them thus:
> (environments/production.rb)
> default_attributes({ "bind" => { "upstream_servers" => [ "xxx.xxx.xxx.xxx", 
> "yyy.yyy.yyy.yyy" ] })
>
> When my template gets written however, I get all four values printed:
>    forwarders {
>    8.8.8.8;
>    8.8.4.4;
>    xxx.xxx.xxx.xxx;
>    yyy.yyy.yyy.yyy;
>    };
>
> Have I misunderstood the way attributes get overwritten? I thought from 
> this wiki page, the environment attributes OVERRIDE the cookbook attributes
> http://wiki.opscode.com/display/chef/Attributes
>
> I know I can obviously use override_attributes rather than 
> default_attributes… but I didn't expect this to happen anyway
>
> Thanks!
> Geoff
>
>



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