On Sun, Feb 13, 2011 at 7:21 PM, Nigel Kersten <ni...@puppetlabs.com> wrote:
>
>
> On Sat, Feb 12, 2011 at 7:40 PM, Dan Bode <d...@puppetlabs.com> wrote:
>
>>
>>> Could we add the ability to query whether a given resource has
>>>> been realized or not? How much of an ordering problem is this?
>>>> Package <| state == virtual |>
>>>> Package <| state == real |>
>>>>
>>>
>> Sounds reasonable, I have actually tried something like this before hoping
>> it would work. (the use case was that I wanted to specify some dependency
>> for all resources of a given type that I was realizing)
>>
>
> I'm curious how many people are actually using this syntax for resource
> realization rather than the realize() function?
>
> Generally when I realize resources, I'm doing so for very specific
> resources, not large collections of resources.
>
> Should we be conflating querying/collecting and realizing like this at
> all?
>
>
We have only been teaching <| |> in the puppetmaster training as a way to
realize virtual resources. We do not teach that it is possible to override
attributes with this syntax as well: <| |> {} (at least in part b/c the
implications/non-determinism terrify me) , and do not teach that it actually
effects all resources.
The common example from class is something like:
class db::users {
user { ['alice', 'bob']:
ensure => present,
gid => 'dbadmin',
}
}
class app::users {
user { ['charlie', 'bob']:
ensure => present,
gid => 'webadmin',
}
}
class app {
User<| gid == 'webadmin' |>
...
}
class db {
User<| gid == 'dbadmin' |>
...
}
so that a machine can safely be a webserver and db server without conflict.
>
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