Based way to exclude systems?

[Tom Tucker]

I would like to use a profile that would be applied against all Linux based systems to ensure they have an appropriate /etc/ntp.conf based on their data center location as defined by Hiera.  My question is how do I deploy this client based ntp.conf to all Linux systems, but also ensure my four Linux based NTP server feeding these clients continue to have unique server based NTP configs? 

 

In other words….

I have four data centers and 2000+ systems.  If you are a Linux system and not marked as an NTP server then use this client ntp.conf.

 

What is the best way to achieve such?

 

Thanks in advance,

[JonY]

Use an ENC: https://docs.puppetlabs.com/guides/external_nodes.html

[Garrett Honeycutt]

Hi Tom,

Instead of thinking in terms on exclusions, think in terms of roles of
systems. In regards to NTP you have two, ntp clients and ntp servers. I
would include an ntp class for all of your Linux based systems and if
the role is ntp server then you have a level in Hiera for it that
describes the changes that are particular to those systems such as
different upstream NTP servers, options, etc.

Best regards,
-g

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Garrett Honeycutt
@learnpuppet
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