On Friday, May 24, 2013 5:12:33 AM UTC-5, Markus Shorty Uckelmann wrote:
>
> Hi all,
>
> I'm stuck in the hell of class dependencies and hope that someone here
> can help me.
>
> Puppet-Version is 2.7.21
> It's the Debian Squeeze package from the Puppetlabs Repo.
>
> I want one class to manage everything database related. So I call it in
> "site.pp" like this:
>
> node client1 {
> class { 'database': }
> }
>
> It's parameterized and uses default values. The class "database"
> declares(executes) other classes.
>
> Now to my problem. I have a "sub"-class "database::packages" which must
> be executed before every other stuff inside the database class. Here is
> the code:
>
> 1 class database {
> 2 class { 'database::packages': } ->
> 3 # setup data dirs
> 4 class { 'database::directories':
> 5 # require => Class['database::packages'],
> 6 }
> 7 # Class['database::packages'] -> Class['database::directories']
> 8 }
>
> I tried three different things. None of them worked. First one is the
> chaining arrow in line 2. The next two tries I left commented out. In
> line 5 I tried to require the "packages" class inside the "directories"
> class declaration. And last in line 7 I tried the chaining again.
>
> Whenever I run this code on a client, the "directories" class gets
> executed first
As judged how?
> and fails, because it needs a specific user which is
> setup in the "packages" class.
>
>
All of the methods you tried for declaring the needed relationship are
valid and appear correct. I conclude that you have diagnosed the problem
incorrectly.
To be sure, you do have an order-of-application issue, but I don't think
it's the relative order of these classes themselves that is the problem.
It is more likely a containment issue within one or more of those classes'
implementations. I suggest you read the documentation on that area
(http://docs.puppetlabs.com/puppet/3/reference/lang_containment.html) for
information on that problem and and least one possible solution.
John
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