On Wed, Mar 7, 2012 at 4:20 AM, Stefan Schulte
<[email protected]> wrote:
> Hi,
>
> I have the following basic node definition
>
> node 'mynode' {
> class { 'oracle::server': }
> class { 'oracle::patch::patchA':
> require => Class['oracle::server'],
> }
> class { 'oracle::patch::patchB':
> require => Class['oracle::server'],
> }
> oracle::instance { 'foo':
> require => [ 'oracle::server', ??? ],
> }
> }
If you have no parameters for the patches:
define oracle::load_patch {
$subclass = "oracle::instance::$name"
class { $subclass:
require => Class['oracle::server'],
}
}
oracle::load_patch { ['patchA','patchB']:
before => Notify['end'],
}
notify { 'end':
}
Also in this case feels like require oracle::server should be in
oracle::instance so you don't need to repeat it for every node.
> And the following constraints
>
> - The foo resource depends on oracle::server but it does
> also depend on ALL oracle::patch::XX classes
> - The patches I want to install on different nodes may vary
>
> so my problem is
>
> - I can modify the patch classes to also specifiy `before => instanceFoo,
> instanceBar` etc but this seems ugly
> - Setting require => Class['oracle::patch::patchA','oracle::patch::patchB']
> for all instances does also feel wrong.
>
> I tried to work around this with stages but I cannot assign a stage to
> oracle::instance because stages are just allowed at class level, not
> resource level.
>
> How would you solve the issue? I thought about one parameterized
> oracle::patch class that (based on a the parameters) includes the
> specific patch classes. Then at oracle::instance level I only have one
> require to this oracle::patch class. Or create an empty class as an anchor.
> All patches will then define before => Class['empty_class'] and all instances
> define require => Class['empty_class'].
If you need different parameters for each patch, maybe an anchor (in
stdlib), and specify each patch class before Anchor['oracle::patch'].
Thanks,
Nan
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