On Tuesday, July 21, 2015 at 9:46:56 AM UTC-4, jcbollinger wrote:
>
>
> I know nothing more about "wrapper cookbooks" than I can deduce from their 
> name and your code, but they sound like they may have some similarity with 
> the Puppet pattern called "Roles & Profiles", conceived by Craig Dunn.  You 
> can find a lot of information about it around the web, but here's the 
> original description: http://www.craigdunn.org/2012/05/239/.
>

I skimmed through this, was interested to find out more about roles and 
will have to read it more in-depth, but that doesn't seem similar to a 
wrapper cookbook. But basically, now that I've got it working, I've 
attained what I would call a "wrapper module" that works fine, using logic 
similar to what I would do with Chef.
 

> As for your original problem, I'm inclined to agree with you that it's 
> wrong to put your site-specific nginx config file in a general-purpose 
> nginx module.  The need to modify a module itself to customize it for your 
> site violates its modularity, and it will bite you as soon as soon as your 
> site requires two unrelated nginx servers.
>

Absolutely. I imagine that the book I'm working with was urging me to do 
that for the sake of simplicity, probably because its target audience is 
people who are not already familiar with a configuration management tool, 
so the way they had me do it set off my internal alarms since I'm not in 
that audience and just need to get familiar with the tool rather than 
bigger-picture, overarching concepts of CM.
 

> On the other hand, the nginx module should manage the standard nginx 
> configuration files, because it needs to ensure that the correct 
> relationships are maintained between that file and other nginx components 
> (its Package, the nginx Service, etc.), and because other code shouldn't 
> need to know details of how nginx config files are structured.
>

Oh definitely, that's also what I'd do. My nginx module does not currently 
manage the nginx config file, but it would if I were actually writing a 
proper nginx module. I'm just practicing, at this point. Seems like the 
next big thing I need to get cozy with is Hiera. 

Thanks!

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