On Mar 9, 2009, at 9:56 PM, Trevor Vaughan wrote:
> This is sort of on topic for users, but I'm more than happy to move it
> to 'dev' if appropriate.
>
> What I'm trying to do is to create a basic GUI that allows me to
> detect:
>
> 1) What modules are installed on the system
> 2) What classes are in the modules
> 3) What defines are in the classes
> 4) What defaults/requires are in place in the defines
> 5) Anything in a general manifest that is outside of a module
> (secondary)
>
> I started down a path of trying to detect all of this myself and then
> realized that I'm being a bit stupid since that entire logic structure
> is present in the Puppet compiler.
>
> Unfortunately, I've been wading through the code with very little luck
> at figuring out how to hook/call/override (whatever) this logical
> segment of the Puppet code.
>
> Am I going down the right track and, if so, how would I tap into the
> Puppet compiler in this way?
>
> Alternatively, would it just be easier to collapse the modules/
> manifests
> and parse them from there?
>
> Thanks for the indulgence, I intend to release this thing if I ever
> get
> it to a state that is actually useful.
>
> I'm writing it in using a GTK+/Ruby combo since QT makes my hair stand
> on end. I'm also writing it in my spare time, so who knows how long
> it
> will take.
>
> Thanks for any help that is offered.
As James Bellenger says, it may be that what you're looking for is
already in puppetdoc, but in case it's not...
You should be able to create a parser instance, trawl the filesystem
and call 'parser.import(file)' for each .pp file you find. This will,
at least, give you all of the classes, nodes, and definitions you
have, via simple accessor methods on the parser ('nodes' for nodes,
etc.). They're all stored as hashes on the parser.
Modules are both more and less complicated. I think both branches are
a bit messy on this, but frankly, just iterate across the module path
and look for directories, and you're basically done. This is easiest,
but not necessarily most useful. I just made some changes to master
that makes htis cleaner, but it probably doesn't help much.
And I'm not sure on whether this goes to -dev or -users, so eh. My
only caveat is that I check -dev religiously (it still goes to my
inbox) but -users only when I have time (like when it's 3am and I
can't sleep :/).
--
Men never do evil so completely and cheerfully as when they do it from a
religious conviction. --Blaise Pascal
---------------------------------------------------------------------
Luke Kanies | http://reductivelabs.com | http://madstop.com
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