On Tue, Sep 20, 2011 at 08:31:27AM -0700, Dan Bode wrote:
> On Tue, Sep 20, 2011 at 5:27 AM, Matthew Willsher <
> matthew.wills...@gmail.com> wrote:
>
> >
> >
> > On Sep 20, 1:02 pm, Matthew Willsher <matthew.wills...@gmail.com>
> > wrote:
> > > On Sep 19, 4:06 pm, Matt <matthew.wills...@gmail.com> wrote:
> > >
> > > > On Sep 19, 3:52 pm, John Kennedy <skeb...@gmail.com> wrote:
> > >
> > > > > Would it be possible to create a class to install Glassfish and
> > require that
> > > > > class to be fulfilled before? I actually thought that
> > > > > require => Package['glassfish']
> > > > > would have the desired effect...
> > >
> > > > That's what I was expecting but it fails when it can't find asadmin
> > > > then if I create a dummy asadmin it files when it can't find
> > > > passwordfile.
> > >
> > > Further reading reveals this to be a function of the provider
> > > suitability checks. Apparently the use of stages (>=2.6) can be used
> > > to resolve this, so there's my way forward.
> >
> > Sorry to post to my own reply and so soon afterwards, but stages
> > appear not to have resolved this. It seems that the provider tests are
> > done irrespective of stages, so at this point it looks as though it's
> > not possible to use providers that exist as the result of the action
> > of another resource.
> >
> > stages were definitely not designed to solve this. It has been a known
> issue for a while and has a few work-arounds.
>
> The pip provider works around this by not using the commands method, and
> instead implements lazy pip.
>
> Another example of a work around if to create a default provider that does
> nothing except determine suitability, then you can explicitly specify
> provider => 'real_provider' during compile time
>
> you can see an example of this approach in the rabbitmq provider
> https://github.com/puppetlabs/puppetlabs-rabbitmq
>
Another workaround is to use optional_command instead of command which
does not add a confine :exists => /path/to/binary. Another one is to add
a custom fact that checks the existance of your command and to wrap all
your resources inside an if $provider_installed { ... }
-Stefan
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