On Monday, September 16, 2013 12:19:50 AM UTC-5, Rahul Khengare wrote:
>
> Hi Chengkai,
> I have faced similar kind of problem for class ordering using ordering
> arrow (*->)*. You can try the stage resources for ordering classes.
>
>
Run stages are indeed a mechanism for controlling application order of
classes, but they are an awfully big and blunt hammer. Indiscriminate use
of stages is likely to get you into trouble. Instead, you should fix the
problem with your classes.
On Sunday, September 15, 2013 10:44:17 AM UTC+5:30, chengkai liang wrote:
> Hi All,
>>
>> I have the following classes define:
>>
>> init.pp
>>
>> class { 'A': } ->
>> class { 'B': } ->
>> class { 'C': }
>>
>> Supposedly, the execution order should A then B then C, but the actual
>> execution order seems that C is being executed before B. Why is this
>> happening? Isn't -> will chain up the resources order?
>>
>>
Chances are that the chain operator works fine, but your expectation of
what it means to apply (not execute) a class is flawed. Problems of this
kind are usually containment issues: when one class declares another, that
does not inherently place any ordering relationship between the declared
and declaring classes, nor are relationships between the declaring class
and any resources or other classes directly relevant to the declared
class. This is quite different from the case of actual resources declared
by a given class. The distinction is intentional and necessary, but that's
a separate topic.
As JuanBrein suggested, you can find more information about the issue and
the most common solution, the "anchor" pattern, in the language docs.
Here's a link:
http://docs.puppetlabs.com/puppet/3/reference/lang_containment.html .
John
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