Issue #6716 has been updated by James Turnbull.

Status changed from Needs Decision to Ready For Testing
Assignee set to Nigel Kersten
Target version set to 1.5.9

This is a 1.5.9 regression.
----------------------------------------
Bug #6716: facter issues on OSX with ipv6 in macaddress.rb
https://projects.puppetlabs.com/issues/6716

Author: Ben Hughes
Status: Ready For Testing
Priority: Normal
Assignee: Nigel Kersten
Category: 
Target version: 1.5.9
Keywords: 
Branch: https://github.com/barn/facter/tree/tickets%2Fmaster%2F6716


Shocker I know, problems with macaddresses. 

facter/lib/facter/util/macaddress.rb:

<pre>
def self.default_interface
   `#{netstat_command} | /usr/bin/awk  '/^default/{print $6}'`.chomp
end
</pre>

Doesn't work for me, because I have more than one default interface, because 
I'm the guy using IPv6. Which means default_interface has a "\n" on the end, 
which means the:

<pre>
macaddress = `#{ifconfig_command} #{iface} | /usr/bin/awk '/ether/{print 
$2;exit}'`.chomp
</pre>
has a "\n" in the middle, so it errors badly and outputs weird things.

This is due to:
<pre>
[ben@Paresthesia:facter]% netstat -rn | /usr/bin/awk   '/^default/' 
default            192.168.1.254      UGSc           18        0     en1
default                                 2001:44b8:61::16e               UGSc    
       tun1
</pre>

BUT! The second one doesn't have a 6th element, so an empty line gets thrown 
in. 

We could either/or:

1) "netstat -rn -f inet" which will assume IPv4 as the main IP stack....

2) "/usr/bin/awk   '/^default/ {print $6;exit;}'" only print the first 
interface with a default route. If IPv4 has no default route, then IPv6 will be 
used, thus keeping that one user happy.

3) some ugly removal of blank lines in the interface name (.chomp.chomp is what 
I've just written to test it, but that's hideous).

4) replacement ip/macaddress fact handling system.


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