[chef] Re: Re: Re: Remove recipe from role

[Phil Dibowitz < >]

On Tue, Jun 19, 2012 at 11:47:53AM -0700, Phil Dibowitz wrote:
> On Tue, Jun 19, 2012 at 11:40:51AM -0700, KC Braunschweig wrote:
> > On Mon, Jun 18, 2012 at 8:32 PM, John Dyer 
> > <
 >
> >  wrote:
> > > Hey Guys,
> > >
> > >   I have a quick question.. so in my base role I make use of the Dynect
> > > cookbook to set DNS on the new node.  However once the node is 
> > > provisioned I
> > > no longer need to run this recipe and would like to remove it from the
> > > runlist.  The problem is I am not seeing a way to remove a recipe from
> > > within a nodes runlist, only remove roles entirely and recipes....  So 
> > > is
> > > this possible or do I need to refactor things a bit and pull out the 
> > > DynEct
> > > cookbook from the role ?
> > 
> > The other suggestions would work to remove an item from the run_list
> > but if I understand you correctly, your dns cookbook isn't on the
> > run_list directly, it's in a role. So that won't work. You can remove
> > the role, but that isn't what you want. You can edit the role to
> > remove the recipe, but then the next time you spin up a node it won't
> > be in the role. If the recipe is idempotent, why do you care if its
> > removed? Typically you'd want to leave it there so that it will
> > continue to revalidate the intended state on future chef runs.
> > 
> > If you really do need a one-time recipe, you'd need to put it on the
> > run_list directly (not in a role) but then I believe there's a way
> > that you can make a recipe remove itself from the run_list so it could
> > make itself one-time. Alternatively, there was talk about override run
> > list and one shot recipe features a while back. I think some of that
> > was implemented and maybe could help but I don't know the details.
> 
> KC is right, this is the wrong approach.
> 
> Instead, do something like this in default.rb:
> 
>   is_provisioned = File.exists?('/var/named/.is_provisioned')
> 
>   unless is_provisioned
>     include_recipe this_cookbook::provision
>   end
> 
> And then stick everything in the provision.rb and you're done.

Oh, I didn't explicitly say it, but somewhere in provision.rb you need to
create '/var/named/.is_provisioned' :)

-- 
Phil Dibowitz                             

 
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