On Thursday, September 5, 2013 10:00:34 AM UTC-5, ureal frank wrote:
>
>
>
>
> On Thu, Sep 5, 2013 at 2:25 PM, jcbollinger
> <john.bo...@stjude.org<javascript:>
> > wrote:
>
>>
>>
>> On Wednesday, September 4, 2013 11:40:01 AM UTC-5, ureal frank wrote:
>>>
>>> Hi,
>>>
>>>
>>> I am trying to debug some abnormal behavior here and to help me figure
>>> out what is happening, I've run the agent with --graph option.
>>>
>>> And meanwhile I've found that under resources.odt I see a Class[Main]
>>> node child with a wrong hostname.
>>>
>>> Class[Main]->Node[hyp2-cdn-*picd*.foo.bar]
>>>
>>> but in my manifest I've defined this hostname using a regular expression
>>> like:
>>>
>>> node /^hyp2\-cdn\-*pic\d+*\.foo\.bar$**/ inherits hyp2_base {
>>>
>>> # stuff
>>>
>>> file { ''/tmp/puppet_debug.txt":
>>> ensure => file,
>>> content => "DEBUG"
>>> }
>>> }
>>>
>>> I can see the puppet_debug.txt file content so I can assume it goes
>>> through the correct class, but shouldn't it be:
>>>
>>> Class[Main]->Node[hyp2-cdn-*pic01*.foo.bar] and so on?
>>>
>>>
>>
>> No. Puppet is identifying the chosen *node block* with that label, not
>> the client. The label is Puppet's string version of your regex.
>>
>
> Ah ok.
> I didn't knew that.
> Anyway I think it is a weird way of representing the Node[name] :)
>
>
>>
>> There is still a ticklish issue here, in that Puppet needs to support
>> mixing regex node identifiers with string node idientifiers in the same
>> manifest set. I have seen clashes between the two before, but that doesn't
>> appear to be a problem in your case.
>>
>
> Is there any good practice on this?
> Should I stick to just one way of defining nodes. Just regexp for example?
>
>
I don't think you need to worry too much about it. As I recall, catalog
compilation failed when Puppet's string version of a node regex was the
same as a plain-string node label, so you'll know if you ever get a clash.
And clashes will only happen with node labels that bear a strong similarity
to node regexes used in the same manifest set, so you have more genteel
means to mitigate your risk than forbidding plain-string node labels.
John
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