On Wed, Mar 7, 2012 at 12:15 PM, Stefan Schulte
<stefan.schu...@taunusstein.net> wrote:
> On Wed, Mar 07, 2012 at 08:15:54AM -0800, Nan Liu wrote:
>> On Wed, Mar 7, 2012 at 4:20 AM, Stefan Schulte
>> <stefan.schu...@taunusstein.net> 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':
>> }
>>
>
> Haven't thought of that one but the problem is now that I have multiple
> oracle::instance resources and don't want to update the before
> constraint in oracle::load_patch all the time. But the following might
> work:
>
> # Wrapperclass around your load_patch resource as an anchor
> class oracle::patch ( $patches = [] ){
> Class['oracle::server'] -> Class['oracle::patch']
> oracle::load_patch { $patches:
> require => Class['oracle::server'],
> }
> }
>
> and in my node definition I would write
>
> class { 'oracle::server': }
> class { 'oracle::patch':
> patches => [ 'patchA', 'patchB' ],
> }
> oracle::instance { 'foo':
> require => Class['oracle::patch'],
> }
> oracle::instance { 'bar':
> require => Class['oracle::patch'],
> }
>
> What do you think of this option?
Seems fine, and if you can update the oracle::patch class to handle
empty list of patches, you can the move the require =>
Class['oracle::patch'] to the oracle::instance definition and simplify
the node declaration even further.
Thanks,
Nan
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