Brilliant, thanks Luke.
Just for the benefit of any future google-searchers, here's a fixed
version of my previous pseudocode that actually works, and
demonstrates this behaviour. A combination include+require function,
as per 0.25, will neaten this up nicely.
class a {
# no guarantee as to which of these is created first
file{"/tmp/x":ensure=>present}
file{"/tmp/y":ensure=>present}
}
class b {
include a
# /tmp/x and /tmp/y are guaranteed to exist before /tmp/z
file{"/tmp/z":
ensure=>present,
require=> Class["a"]
}
}
node my_pc {
include b
}
On May 20, 5:09 pm, Luke Kanies <l...@madstop.com> wrote:
> On May 18, 2009, at 10:04 AM, Chris wrote:
>
>
>
>
>
> > Hi all,
>
> > Prompted by Evan's question about requiring classes between modules; I
> > wonder if someone could clarify my understanding of how this works: If
> > I have
>
> > Class a {
> > some_resource{x:}
> > some_resource{y:}
> > }
>
> > Class b {
> > some_resource{z:
> > require Class[a]
> > }
> > }
>
> > Does this mean that puppet will ensure that some_resource{x:} and
> > some_resource{y:} have been successfully applied before it tries to
> > apply some_resource{z:} ? Or is it equivalent to doing "include a"
> > i.e. all the resources are applied, but in no particular order ?
>
> The former is correct - class dependencies ensure that all resources
> in the required class are applied before *any* resources in the
> requiring class.
>
> 0.25 has a 'require' function that behaves like include + class require.
>
> --
> Never interrupt your enemy when he is making a mistake.
> --Napolean Bonaparte
> ---------------------------------------------------------------------
> Luke Kanies |http://reductivelabs.com|http://madstop.com
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