Issue #7559 has been updated by Michael Arnold.
Why don't we just solve this problem the simple way and query for the
availability of the service endpoint? Replace this:
if (Facter::Util::EC2.has_euca_mac? || Facter::Util::EC2.has_openstack_mac?
||
Facter::Util::EC2.has_ec2_arp? || Facter::Util::EC2.has_flag_file?) &&
Facter::Util::EC2.can_connect?
with this:
if (Facter::Util::EC2.can_connect?
in lib/facter/ec2.rb. Then I will finally have out-of-the-box, useful EC2
facts. (And this is what Amazon does with the version of facter that they ship
for Amazon Linux.)
----------------------------------------
Feature #7559: Fact for identifying Amazon VPC instances.
https://projects.puppetlabs.com/issues/7559#change-78249
Author: Nigel Kersten
Status: Accepted
Priority: Normal
Assignee:
Category: library
Target version:
Keywords: vpc ec2 arp
Branch:
Affected Facter version: 1.6.10
(From the list)
I ran into a buglet in facter 1.5.9rc6 (from tmz repo). In normal AWS
instances it works great. In VPC instances if doesn't work. This seems
to be because VPC instances don't use the fe:ff:ff:... MAC addresses.
<pre>
/sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 02:67:4E:E1:26:30
inet addr:172.17.129.24 ...
/sbin/arp
Address HWtype HWaddress Flags Mask Iface
169.254.169.253 ether 02:67:4E:C0:00:01 C eth0
172.17.128.1 ether 02:67:4E:C0:00:01 C eth0
/sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 02:67:4E:DA:58:16
inet addr:172.17.128.126
/sbin/arp
Address HWtype HWaddress Flags Mask Iface
169.254.169.253 ether 02:67:4E:C0:00:01 C eth0
172.17.128.1 ether 02:67:4E:C0:00:01 C eth0
</pre>
Of the two VPC EC2 instances I've seen, the MAC address always start
with 02:67:4E. I have only seen two instances, both in the same VPC, so
I don't know if this holds for every VPC instance, YMMV.
in ec2.rb , the following seemed to work:
<pre>
def has_euca_mac?
!!(Facter.value(:macaddress) =~ %r{^02:67:4[eE]:})
end
</pre>
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