Issue #2128 has been updated by Jeff McCune.

Status changed from Merged - Pending Release to Accepted
Assignee changed from Nick Lewis to Jeff McCune

# Reopened #

Jacob, I'd like to provide more detailed information in the documentation 
strings of the options.  This information will then flow into the online 
documentation, the commented puppet.conf and the help command.

This should be a quick fix so I'll take care of it rather than making you and 
nick switch contexts again.

I likely won't have it done tonight but wanted to update the ticket status.
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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: Jeff McCune
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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