Hi,
I have 4 hosts as part of a hostgroup.
I was wondering if there is way to use foreman and puppet to write
/etc/hosts entries on all four hosts i.e. so each host would contain a file
with the following
/etc/hosts:
1.2.3.4 host1
1.2.3.5 host2
1.2.3.6 host3
1.2.3.7 host4
I can create a puppet manifest to write the file, but I'm not sure how I
could make the IPs available as global facts to all hosts in the hostgroup.
Why create one, there are a couple of them allready on puppetforge ->
https://forge.puppetlabs.com/modules?utf-8=✓&sort=downloads&os=redhat&q=hosts
For example:
https://forge.puppetlabs.com/treydock/dynamic_hosts
Met vriendelijke groet, With kind regards,
Jorick Astrego
Netbulae Virtualization Experts
Tel: 053 20 30 270 info@netbulae.eu Staalsteden 4-3A KvK 08198180
Fax: 053 20 30 271 www.netbulae.eu 7547 TA Enschede BTW NL821234584B01
> Hi,
>
> I have 4 hosts as part of a hostgroup.
> I was wondering if there is way to use foreman and puppet to write
> /etc/hosts entries on all four hosts i.e. so each host would contain a file
> with the following
>
> /etc/hosts:
> 1.2.3.4 host1
> 1.2.3.5 host2
> 1.2.3.6 host3
> 1.2.3.7 host4
>
> I can create a puppet manifest to write the file, but I'm not sure how I
> could make the IPs available as global facts to all hosts in the hostgroup.
>
using the API you can easily query for all hosts in a given condition (such
as a hostgroup = '…').
there is already a puppet function that does exactly that at [1] and a very
old blog i wrote about it at [2]
Ohad
[1]
https://github.com/theforeman/puppet-foreman/blob/master/lib/puppet/parser/functions/foreman.rb
[2]
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Thanks, but I think you have mis-understood the question.
Using puppet to write the hosts is not the problem. My problem is how can
I use puppet to obtain the information from foreman in the first place.
i.e. get fetch a list of hosts that belong to a speciifed group, and obtain
there IPs.
Hi Ohad,
Thanks I came across your post - it got me started in the right direction.
It seems the foreman.rb has changed a little since them, as now you have to
pass in a hash object directly.
Anyway it got me a little closer. I was able to get all hosts for my
hostgroup, unfortunately I wasn't able to get the hosts back with IP, I
guess I need to iterate over the hash and make a subsequent requests for
facts.
> Hi Ohad,
>
> Thanks I came across your post - it got me started in the right direction.
>
> It seems the foreman.rb has changed a little since them, as now you have
> to pass in a hash object directly.
> Anyway it got me a little closer. I was able to get all hosts for my
> hostgroup, unfortunately I wasn't able to get the hosts back with IP, I
> guess I need to iterate over the hash and make a subsequent requests for
> facts.
>
> both should normally not be required… the default query for a list of
hosts returns the hosts primary ip. what exactly are you doing?
Ohad
On Tuesday, 27 January 2015 14:53:03 UTC, ohad wrote:
On Tue, Jan 27, 2015 at 12:03 AM, Dave Johnston dave.j...@me.com wrote:
Hi,
I have 4 hosts as part of a hostgroup.
I was wondering if there is way to use foreman and puppet to write
/etc/hosts entries on all four hosts i.e. so each host would contain a file
with the following/etc/hosts:
1.2.3.4 host1
1.2.3.5 host2
1.2.3.6 host3
1.2.3.7 host4I can create a puppet manifest to write the file, but I’m not sure how I
could make the IPs available as global facts to all hosts in the hostgroup.using the API you can easily query for all hosts in a given condition
(such as a hostgroup = ‘…’).
there is already a puppet function that does exactly that at [1] and a
very old blog i wrote about it at [2]Ohad
[1] https://github.com/theforeman/puppet-foreman/
blob/master/lib/puppet/parser/functions/foreman.rb
[2] http://blog.theforeman.org/2012/01/getting-foreman-
search-results-into.html–
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