Issue #2128 has been updated by Nick Lewis.
Being able to specify the node name used for classification on the master via
arbitrary facts won't address the deeper concurrency issues surrounding having
multiple nodes with the same name check in at the same time. You should still
have unique node names for each host that checks in (IE: ec2_apache_${uuid}).
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Feature #2128: Allow arbitrary fact as node_name identifier
https://projects.puppetlabs.com/issues/2128
Author: Bill Bartlett
Status: Accepted
Priority: High
Assignee:
Category: node
Target version: 2.6.x
Affected Puppet version: 0.24.7
Keywords:
Branch:
Currently, the only fact available as a node_name identifier is the hostname.
I would like to have the capability of having any fact be the node_name
identifier.
Use Case:
The reason this discussion came about is EC2. When an EC2 node is brought up,
the hostname is not known. If we were to have a large, auto-scaling
infrastructure, it is currently very difficult (impossible?) to automate
bringing these EC2 nodes into puppet.
One possible solution is to allow any fact as a node_name, and then for each
particular EC2 instance type that one would need scaling (apache, memcache,
mysql all come to mind among many others), the AMI would be customized with a
custom fact. An example could be a fact called "hostclass" that would then be
set to "ec2_apache", "ec2_memcache", or similar. This allows the auto-created
machine, which we would otherwise be unable to differentiate from any other EC2
node, access to puppet in an automated way.
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