Issue #18156 has been reported by John Leach.
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Bug #18156: ipaddress6 facts return bad IPs when privacy extensions are enabled
https://projects.puppetlabs.com/issues/18156
Author: John Leach
Status: Unreviewed
Priority: High
Assignee:
Category:
Target version:
Keywords:
Branch:
Affected Facter version: 1.6.5
If IPv6 privacy extensions are enabled (which they are on at least Ubuntu
Precise and up) then facter returns incorrect IP addresses for the ipaddress6
facts.
When privacy extensions are enabled, several random temporary addresses are
added to the machine, which change on reboot:
<pre>
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
qlen 1000
link/ether 02:24:19:f0:65:4a brd ff:ff:ff:ff:ff:ff
inet 10.240.101.74/30 brd 10.240.101.75 scope global eth0
inet6 2a02:1348:14c:1952:b9ed:198b:474a:a773/64 scope global temporary
dynamic
valid_lft 86120sec preferred_lft 14120sec
inet6 2a02:1348:14c:1952:ad7f:1d47:6e2a:4c4d/64 scope global temporary
deprecated dynamic
valid_lft 86120sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:fc3a:66ce:4b75:23af/64 scope global temporary
deprecated dynamic
valid_lft 86120sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:150b:255e:8eca:854b/64 scope global temporary
deprecated dynamic
valid_lft 86120sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:5953:50:e10c:82a5/64 scope global temporary
deprecated dynamic
valid_lft 86120sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:9b7:5fc5:cee5:a5a4/64 scope global temporary
deprecated dynamic
valid_lft 86120sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:e11d:a331:d82c:8b13/64 scope global temporary
deprecated dynamic
valid_lft 33513sec preferred_lft 0sec
inet6 2a02:1348:14c:1952:24:19ff:fef0:654a/64 scope global dynamic
valid_lft 86120sec preferred_lft 14120sec
inet6 fe80::24:19ff:fef0:654a/64 scope link
valid_lft forever preferred_lft forever
</pre>
facter is returning:
<pre>
ipaddress6 => 2a02:1348:14c:1952:ad7f:1d47:6e2a:4c4d
ipaddress6_eth0 => 2a02:1348:14c:1952:5953:50:e10c:82a5
</pre>
When it should really be returning
<code>2a02:1348:14c:1952:24:19ff:fef0:654a</code> which is non-temporary
address.
I caught this because I was using the ipaddress6 fact in a bind address config
statement and it broke after a reboot (as the IP facter gave me had gone).
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