Puppet users - Feb 2012 - Facter displaying multiple IP addresses?

Hi,

I have a motd module (not mine) that rewrites /etc/motd with some
useful host details. One particular piece of information is the IP
address in motd.erb:

FQDN: <%= fqdn %>
IP:   <%= ipaddress %>

I have several hosts that have multiple IP addresses, and I need to
display them as well. When I run facter | grep ipaddress, I get an
array:

ipaddress => 172.26.20.16
ipaddress_eth0 => 172.26.20.16
ipaddress_eth1 => 10.20.30.5
ipaddress_eth2 => 10.20.40.5
ipaddress_eth3 => 10.20.50.5
ipaddress_eth4 => 10.20.60.5
ipaddress_eth5 => 10.20.70.5

Is there a way to display eth{0-5} as well?


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On Mon, Feb 13, 2012 at 2:01 PM, Will S. G. <will@arw.in> wrote:
>
> Is there a way to display eth{0-5} as well?
>
You could do a for loop from 0 to N (5?) and check if the variable exists (if
has_variable?("ipaddress_eth" + index)) then print it. I''m
sure there''s
probably a nicer way of doing this in Ruby :)

- Gonzalo

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You could do

IP:   <%= scope.to_hash.inject([]) { |acc, (k,v)| acc << v if k =~
/^ipaddress_/; acc }.join('', '') %>

Regards,

On Sun, Feb 12, 2012 at 07:01:01PM -0800, Will S. G.
wrote:
> Hi,
> 
> I have a motd module (not mine) that rewrites /etc/motd with some
> useful host details. One particular piece of information is the IP
> address in motd.erb:
> 
> FQDN: <%= fqdn %>
> IP:   <%= ipaddress %>
> 
> I have several hosts that have multiple IP addresses, and I need to
> display them as well. When I run facter | grep ipaddress, I get an
> array:
> 
> ipaddress => 172.26.20.16
> ipaddress_eth0 => 172.26.20.16
> ipaddress_eth1 => 10.20.30.5
> ipaddress_eth2 => 10.20.40.5
> ipaddress_eth3 => 10.20.50.5
> ipaddress_eth4 => 10.20.60.5
> ipaddress_eth5 => 10.20.70.5
> 
> Is there a way to display eth{0-5} as well?
> 
> 
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> 
-- 
Torbjörn Norinder

Campanja AB
Kammakargatan 9A
11140 Stockholm
Map: http://ow.ly/NUlS
www.campanja.com

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