Puppet users - Sep 2012 - How to make a module reject invalid parameter

I tried a few google searches on this, and attempted to look through 
docs.puppetlabs.com, but couldnt find anything...

how do you make a module throw an error for an unrecognized parameter?

ie:

class setitup($machtype) {
  case $machtype {
      prod:  { blah}
      dev:  {blah}
     default: { error Unrecognized machtype parameter value }
  }
}



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if !$foo {
  fail ''foo is missing''
}

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On Tue, Sep 25, 2012 at 8:57 AM, Philip Brown <phil@bolthole.com>
wrote:
> I tried a few google searches on this, and attempted to look through
> docs.puppetlabs.com, but couldnt find anything...
>
> how do you make a module throw an error for an unrecognized parameter?
>
> ie:
>
> class setitup($machtype) {
>   case $machtype {
>       prod:  { blah}
>       dev:  {blah}
>      default: { error Unrecognized machtype parameter value }
>   }
> }
>
I think you''ll have better luck in the standard library:
https://github.com/puppetlabs/puppetlabs-stdlib

Specifically the validate_*, type, member, and is_* functions are all
for helping validate parameters. Documentation is the in the Readme
and pretty good.


HTH,
Justin
>
>
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