Thanks to both of you... :)
Matt
------------------------------
*From: *"Peter Bukowinski" <pmb...@gmail.com>
*To: *puppet-users@googlegroups.com
*Sent: *Wednesday, February 29, 2012 1:01:14 PM
*Subject: *Re: [Puppet Users] Modifying a FACT Value In a Manifest
On Feb 29, 2012, at 1:10 PM, Matt Mencel wrote:
In my network every subnets default gateway is X.X.X.1. That router
gateway is always running ntpd which I want to give be default as the ntp
server in every hosts ntp.conf.
Since there is no official "default gateway" fact yet, what I want to be
able to do in my manifest is take the $ipaddress fact and turn it into the
gateway for that subnet.
For example...
IP = 10.1.1.12
GW = 10.1.1.1
I'm using the puppetlabs-ntp module, so I should be able to do something
like this in my classes...I think... I just need to know how to get the .1
address in there...
class mycustomclass:ntp {
class { "ntp":
servers => [ DOT_ONE_ADDRESS_FOR_HOSTS_IP_GOES_HERE ],
autoupdate => false,
}
}
If this was raw ruby I could do some string magic to turn the last value to
1. I don't know how to do that with the Puppet DSL though.
Thanks,
Matt
Oh, look. I get to be useful! I've done something similar for my computer
cluster class. I base the ip of the eth4 interface off the ip of eth0,
changing one octet from 39 to 38. Here's the line:
$eth4ip = regsubst($::ipaddress_eth0, '\.39\.', '.38.')
For your purpose, you'd need to do something like this:
$ntpip = regsubst($::ipaddress, '[0-9]+$', '1')
--
*Peter M. Bukowinski*
Sr. Systems Engineer
Janelia Farm Research Campus, HHMI
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