Use of camelCase causes issues in dependancy resolution

[Abhijeet Rastogi]

Hi,

Please have a look at this init.pp file. https://github.com/shadyabhi/puppet-t/blob/master/modules/php/manifests/init.pp

In short, I have defined two classes that do some stuff & then I define that the resources in one class should be executed before the resources of the other class by using

Class['php_install'] -> Class['php_remove_unwanted']

If instead of using underscores in classes, I use classes with camel casing (for ex phpInstall instead of php_install & phpRemoveUnwanted instead of php_remove_unwanted), I get the error

err: Could not retrieve catalog from remote server: Error 400 on SERVER: Could not find resource 'Class[Phpinstall]' for relationship on 'Class[Phpremo
veunwanted]' on node dbm.g1.foo

Is there a convention I shoud follow while defining classes? I couldn't find anywhere that said that I cannot use camel-casing while defining classes.

Regards,
Abhijeet
http://blog.abhijeetr.com

[Stephen Gran]

Hi,

http://docs.puppetlabs.com/guides/language_guide.html

"Class names, module names, and the names of defined and custom resource
types should be restricted to lowercase alphanumeric characters and
underscores, and should begin with a lowercase letter; that is, they
should match the expression [a-z][a-z0-9_]*. Although some names that
violate these restrictions currently work, using them is not
recommended. Hyphens are very strongly discouraged, and in most versions
of Puppet will cause variables inside the class to be unavailable
elsewhere."

Cheers,

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Stephen Gran
Senior Systems Integrator - guardian.co.uk

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[Abhijeet R]

Thanks Stephen. It would have been great if violating the rule created
error/warning while doing puppet test runs. Isn't it the desirable way
to avoid bugs while doing dependency resolution?

Regards,
Abhijeet
http://blog.abhijeetr.com