[chef] Re: Re: Ideas on kickstarting a node and auto-applying a role

[dreamcat four < >]

On Fri, May 14, 2010 at 7:37 PM, John Merrells 
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 wrote:
> I have a separate piece of code that is driven by a data file that maps 
> virtual hosts onto virtual servers onto physical machines. The code sets up 
> the name servers, creates the machines through my hosting provider API and 
> sets up the roles for the servers in chef. You can

Any opportunity to see this script? It sounds worth looking at.

:)

actually create the nodes before the client actually connects for the
first time. The common key between the virtual and the physical is the
hostname of the machine. I know what the machine name will be e.g
'webserver6' and the boot script names the machine that before the
chef client code is installed.
>
>> It's the manual application of role(s) to the newly created node that I 
>> would like to see automated. I don't think there's a way in Chef to set a 
>> rule saying, "if a host is in 10.1.12.* subnet, apply role[a], role[b], 
>> role[z], etc". If I can figure out this last step, life would be just 
>> awesome. :)
>
>
> You might be able to do this by writing some ruby code in a role file..... 
> I'm not sure how the chef client determines which cookbooks to download 
> from the server... it might be static.... others on the list can probably 
> answer this.
>
> However, I'd have thought that basing roles on ip addresses is going to 
> remove some flexibility that you might need later on.
>
> John
>
> --
> John Merrells
> http://johnmerrells.com
> +1.415.244.5808
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