I see now - it gives you a way to have intelligence in the selection of the default value, yet allow the declaration to ultimately override that intelligence if it chooses to do so.
Thanks! Justin On Jan 13, 4:17 pm, Gary Larizza <g...@puppetlabs.com> wrote: > On Fri, Jan 13, 2012 at 2:02 PM, Justin Ellison <jus...@techadvise.com>wrote: > > > I asked in IRC today, and no one could tell me the benefit -- maybe > > puppetlabs or example42 can answer my question. > > > I've seen a handful of pretty bleeding-edge modules combining the use > > of foo::parms, inheritance, and parameterized classes. Here's two > > examples: > > >https://github.com/puppetlabs/puppetlabs-mysql/blob/master/manifests/... > >https://github.com/example42/puppet-openssh/blob/master/manifests/ini... > > > Why use inheritance instead of an 'include foo::params'? Why use > > params at all if the class is parameterized? > > The inheritance allows you to reference the foo::params::bar variable > inside the parameter section of the class definition (the part at the top > where there is '$my_class = $openssh::params::my_class,'. > > Why use parameters? It's a way to set a 'sane default' to the parameters > in the class back to the value that's in the foo::params class. If you > want to override what's set in foo::params, just pass it in the class > declaration. If you want to use the default value in foo::params, just > declare the class by doing 'include <class>' and NOT pass any parameters. > > Does this help? > > > Thanks, > > > Justin > > > -- > > You received this message because you are subscribed to the Google Groups > > "Puppet Users" group. > > To post to this group, send email to puppet-users@googlegroups.com. > > To unsubscribe from this group, send email to > > puppet-users+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/puppet-users?hl=en. > > -- > > Gary Larizza > Professional Services Engineer > Puppet Labs -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To post to this group, send email to puppet-users@googlegroups.com. To unsubscribe from this group, send email to puppet-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/puppet-users?hl=en.
