[chef] Re: Re: Remove recipe from role

[Phil Dibowitz < >]

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.

-- 
Phil Dibowitz                             

 
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