- Original Message -
> Are there some sample codes for ENC for complex environments? You
> mentioned before to code ENC would need a lot of efforts, it would be
> nice if there are some sample codes for reference ..
writing an ENC isnt hard, writing one thats generic, has a nice UI
and fits the need of a lot of people is really hard.
Tools like Foreman and Puppet Dashboards are both good examples that
have been under development for years and still progress is being made.
Dan Bode has some good example of ones that are purely YAML based and
there are a few other ones around if you search - but mostly people
have special needs and write their own I think.
>
> On 5/13/11, R.I.Pienaar wrote:
> >
> >
> > - Original Message -
> >
> >>
> >> Let me not be taken as an extlookup() zealot. I do like the
> >> design
> >> as it is, but that doesn't mean it is ideal -- or even good -- for
> >> every
> >> purpose. One of the advantages of Puppet, however, is that it is
> >> fairly easy to modify and extend. If you would like an
> >> alternative
> >> lookup facility then by all means, write one. If you are
> >> community-
> >> minded then you could consider sharing it; the Puppet Forge
> >> (http://
> >> forge.puppetlabs.com/) makes it easy to do that.
> >>
> >> You may also be interested in some of the extlookup() author's
> >> comments about it (http://www.devco.net/archives/2009/08/31/
> >> complex_data_and_puppet.php). He hangs out here, so you may also
> >> hear from him directly.
> >>
> >
> > So extlookup wasnt written as a be-all and end-all of data sources.
> >
> > I recognized we want data and code separation and of course I could
> > write
> > an ENC but I also recognized that I could do something generic that
> > would
> > solve a large % of cases for people to push out the point at which
> > they
> > need an ENC a bit later or in many cases entirely. I hoped I could
> > solve
> > it in a way that adds some value like make it easier to write
> > configurable
> > modules and to do so in a way that people without programming
> > backgrounds
> > can grasp and use and make their manifests a bit better.
> >
> > With this in mind I wrote extlookup aiming to solve the most common
> > problems.
> >
> > I am not against ENCs I think big/complex shops absolutely must
> > have them
> > and I
> > think a lot of the extlookup bashers missed this point - if you are
> > big
> > enough or complex enough where extlookup doesnt work for you then
> > you've
> > probably reached a legitimate point where investing time in writing
> > an
> > ENC is time well spent. And you're also not any more the the
> > target
> > audience
> > extlookup was created for.
> >
> > You should though just look at extlookups code, its extremely
> > simple and
> > easy
> > to understand (especially since Jesse rewrote my ancient crappy
> > code) and
> > this
> > should let you hack up solutions that solves your problems.
> >
> > Puppet is a framework, its very hackable, its easy to write
> > functions and
> > types,
> > easy to copy them out to all your servers and make it work in new
> > and
> > interesting
> > ways. So I totally encourage you to use extlookup as a example and
> > solve
> > the
> > problem in your own way or even to evaluate writing your own ENC.
> >
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>
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--
R.I.Pienaar
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