On Nov 30, 2010, at 7:03 AM, Daniel Piddock wrote:
> Hello,
>
> I fear that I have done something stupid in my manifests that requires
> a redesign. To take an example:
>
> I have the global statement:
> Package {
> ensure => latest,
> require => Class['repositories'],
> }
>
> I then have a repositories module with init.pp containing:
> class repositories {
> case $operatingsystem {
> debian: {
> include repositories::debian
> }
> fedora: {
> include repositories::fedora
> }
> default: {
> fail "Unsupported OS $operatingsystem'"
> }
> }
> }
>
> Unfortunately I was hoping that an include here would act like a
> requirement, however it does not. The contents of debian.pp/fedora.pp
> get evaluated at an arbitrary later point causing interesting issues
> when first installing a system. Puppet attempts to install some
> packages before the repositories have been configured.
>
> Is there any way for a class to depend on another class or for the
> include statement to act more like a require?
>
> In this example it would be trivial to change the global statement to
> directly require the operating system's repositories subclass.
> Unfortunately I have used this paradigm in multiple locations, some
> where the alternative may not be as obvious or would increase the
> verbosity of the including classes.
>
> Thank you for any pointers,
I think this will work, but I don't have a machine to test the syntax on right
now:
include repositories
Package {
ensure => latest,
require => Class['repositories'],
}
class repositories {
case $operatingsystem {
debian: {
$repositoryclass
}
fedora: {
$repositoryclass
}
default: {
fail "Unsupported OS $operatingsystem'"
}
}
require( Class[ $repositoryclass ] )
}
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