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POHow do I make a puppet class dependent on all of the resources it defines?
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  1. POHow do I make a puppet class dependent on all of the resources it defines?
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    copied!<p>I am working on a rather large and complicated puppet module, and I ran into an issue where declaring a dependency on a class does not translate to a dependency on class resources defined in that class. I have created an example.</p> <pre><code>node default { notify {'This is my notification': require =&gt; Class['big_class'], } class {'big_class':} } class big_class { notify {'This is my big class':} class {'little_class':} } class little_class{ notify {'This is my little class':} class {'smallest_class':} } class smallest_class { notify {'This is my smallest class':} } </code></pre> <p>My desired behavior is for smallest, little, and big to all resolve before the notification. But Puppet doesn't work this way. The result of the run is as follows:</p> <pre><code>Notice: This is my little class Notice: /Stage[main]/Little_class/Notify[This is my little class]/message: defined 'message' as 'This is my little class' Notice: This is my big class Notice: /Stage[main]/Big_class/Notify[This is my big class]/message: defined 'message' as 'This is my big class' Notice: This is my notification Notice: /Stage[main]//Node[default]/Notify[This is my notification]/message: defined 'message' as 'This is my notification' Notice: This is my smallest class Notice: /Stage[main]/Smallest_class/Notify[This is my smallest class]/message: defined 'message' as 'This is my smallest class' Notice: Finished catalog run in 0.05 seconds </code></pre> <p>The smallest class resolved after the 'This is my notification' even though it is defined effectively 'within' a requirement on the notification. What is the best practice for handling this type of senario? If this is the desired behavior, is there a way to declare that resources defined within a class are requirements of that class? Do all of the resources inside of <code>class class_name</code> need to have a meta-parameter <code>before =&gt; Class['class_name'],</code>?</p> <p>Edit: The following results in puppet complaining about dependency cycles.</p> <pre><code>class smallest_class { notify {'This is my smallest class': before =&gt; Class['smallest_class'], } } </code></pre>
 

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