Forum: Cfengine Help
Subject: Re: Question about a goup of host
Author: daveseff
Link to topic: https://cfengine.com/forum/read.php?3,20898,20907#msg-20907
I manage CFengine for a large global bank. These are some of the approaches
I've taken to help me organize hosts:
I've created groups based on location. For example I know that hosts in my
10.10.10.0/24 subnet are my development servers in the US and hosts in my
10.10.20.0/24 are my QA servers in the US. so I create groups like:
classes:
"DEV" or => { ipv4_10_10_10 };
"QA" or => { ipv4_10_10_20 };
"US" or => { "DEV" "QA" };
I can then manage /etc/localtime, resolv.conf and any other machines in all of
my data center locations. The nice thing is that new machines install pick up
the configs without changing the cfengine configs.
For machine specific I've used a module to create classes at run time to I can
distinguish between Virts, different server classes, etc.. This was done via
parsing the output of dmidecode and looking at the "Product" information. I can
then create classes like:
Proliant
Proliant_DL585
ProLiant_DL585_G6
If I have machine specific RPMS or DEBS ( Like firmware ), I can let CFengine
easily manage the application of these packages.
Hope this helps you.
-Dave
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