Foreman => RHN integration

Hi,

I need to integrate foreman with RHN, so that when i create VM, it would be
autumatiacly subscribed tho RHN licence and when i delet VM in foreman
licence should be free,

For the first task, Looks like i can use redhat_register
<https://github.com/theforeman/community-templates/blob/master/snippets/redhat_register.erb>snipet
in the kikcstart, In my case i assigend a varibale "activation_key" on my
base hostgroup. So it gives following syntax on kickstart

Activation in RHN based on @host.params["activation_key"].

> # See hostgroups parameters
> <%= snippets "redhat_register" %>

For the 2-nd taks, looks like i shall use foreamn_hook with some python
call to xmlrpc in order to free the licence. But i can't find any working
example. Not in internet nor on redhat site.

any ideas?

Additional issues:
How to store RHN password, more or less securely ?
How to assign vms to particular virtualisation host (comute resource),
without generating activation_keys for each of them? We have RHEV licence
that allows to host unlimited RHELs.

> Hi,
>
> I need to integrate foreman with RHN, so that when i create VM, it would be
> autumatiacly subscribed tho RHN licence and when i delet VM in foreman
> licence should be free,
>
> For the first task, Looks like i can use redhat_register
> <https://github.com/theforeman/community-templates/blob/master/snippets/redhat_register.erb>snipet
> in the kikcstart, In my case i assigend a varibale "activation_key" on my
> base hostgroup. So it gives following syntax on kickstart
>
> # Activation in RHN based on @host.params["activation_key"].
> > # See hostgroups parameters
> > <%= snippets "redhat_register" %>
>
>
>
> For the 2-nd taks, looks like i shall use foreamn_hook with some python
> call to xmlrpc in order to free the licence. But i can't find any working
> example. Not in internet nor on redhat site.
>
> any ideas?

I haven't seen a pre-written hook for it, but it's doable with some
work.

There's a python example here:
https://access.redhat.com/solutions/432563

RHN Classic is deprecated, so it doesn't have the same newer API's that
Spacewalk has like searching by hostname - so I think you'll be limited
to deleting the system by systemid or searching the listUserSystems
output.

API docs for RHN are here:
https://rhn.redhat.com/rhn/apidoc/index.jsp

If you go the systemid route, you'll have to get that info
(/etc/sysconfig/rhn/systemid) into Foreman with a custom fact. In your
host destroy hook, query the foreman API for facts, get the systemid,
and delete the system from RHN.

··· On Tue, Jan 13, 2015 at 04:16:27AM -0800, Iakov Gan wrote:

Additional issues:
How to store RHN password, more or less securely ?
How to assign vms to particular virtualisation host (comute resource),
without generating activation_keys for each of them? We have RHEV licence
that allows to host unlimited RHELs.


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Best Regards,

Stephen Benjamin
Red Hat Engineering