On Tue, Feb 9, 2010 at 10:55 AM, Aurelien Degremont
<aurelien.degrem...@cea.fr> wrote:
> Frederik Wagner a écrit :
>>
>> Hi Aurelien,
>>
>> On Tue, Feb 9, 2010 at 9:32 AM, Aurelien Degremont
>> <aurelien.degrem...@cea.fr> wrote:
>>>
>>> Frederik Wagner a écrit :
>>>>
>>>> Hi .*,
>>>>
>>>> I'm wondering if there is a way to have a virtual resource realize
>>>> other virtual resources which it requires.
>>>>
>>>> Background: I want to create a module which provides all possible
>>>> mountpoints from a NAS Filer as virtual resources, like @mount{xyz}.
>>>> These mounts depend on some directory which must exists, and should
>>>> only be created if the mount is realized (furthermore some nfs client
>>>> options are only needed to be set if a nfs mount takes place at all).
>>>>
>>>> I would think that something like the following would do the job, but
>>>> it doesn't.
>>>>
>>>> in some class:
>>>> @file{"/mountpoint": ensure => directory }
>>>>
>>>> @mount{"/mountpoint":
>>>> ...,
>>>> require => File["/mountpoint"]
>>>> }
>>>>
>>>> in some other class:
>>>> Mount<| title == "/mountpoint" |>
>>>>
>>>>
>>>> What am I missing? Or is this not possible at all?
>>>
>>> Hello
>>>
>>> I never really played with virtual ressources but it seems you forgot to
>>> also realize the file object for your mountpoint?
>>
>> this is exactly the point of my problem, I would like to automatically
>> realize all resources required by the mount without explicitly stating
>> it in the module realizing the mount. All requirements should be
>> encapsulated in the module providing the @mount.
>
> You need to create your own type with a define
>
>
> define mymount($mountpoint) {
> file { $mountpoint:
> ensure => "directory"
> }
>
> mount { $mountpoint:
> require => File[$mountpoint],
> }
> }
>
>
> @mymount{ "/mountpoint":
> mountpoint => "/mountpoint"
> }
>
> Mymount<| title == "/mount_point" |>
>
>
> Not sure, but i think this is the good way.
good idea and I was thining in a similar direction, but in this way
all the possible mounts are/must be created in the same way, i.e. in
this case a file + a moutn ressource.
I was looking for a generic way, let's say somthing like
@mount{"/mountpoint":
...,
require => File<| title == "/mountpoint"] |>
}
which would be great. The requirement is realized only when it is needed.
Bye,
Frederik
> --
> Aurelien Degremont
> CEA
>
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