GDM configurations with a puppet module

[warron.french]

Hello all,

   I have created a puppet module (and class) that manages the content of the banners of systems.

By banners, I am referring to:

• /etc/issue
• /etc/issue.net
• /etc/motd

These are all controlled by a class in my module named mas_shared_all_bannersmgmt with the class for those three files named - mas_shared_all_bannersmgmt::text.

I have another empty class currently called mas_shared_all_bannersmgmt::gdm and I want it to be able to control the banner at the login prompt while logging in for Gnome Desktop.

I will also eventually want to create another class called mas_shared_all_bannersmgmt::kdm and it will be in association with commands for KDE desktop environments ( I know a little redundant), as managed by KDM.

Currently, I don't know if the same login banner (Legal Notice Text, whatever..) if set for Gnome will work for KDE... I will learn after I figure this out for Gnome (GDM).

Can someone please point me in the best direction to accomplish this?  I haven't found a single Puppet Module at the forge, and there isn't a resource for KDM/GDM type of behaviors either.

After I get it working I intend to share it with the Puppet Forge, after I figure out how to make that happen as well.

Thanks for the advice and guidance,

--------------------------

Warron French

[Christopher Peterson]

If I understand correctly, I think this is as much of a gnome/kde question as a puppet one.

GNOME

To set a login message for gnome you can use gsettings:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Desktop_Migration_and_Administration_Guide/customizing-login-screen.html#displaying-text-banner

To make gsettings changes via puppet there is this module that I haven't used:
https://github.com/camptocamp/puppet-gnome


KDE

For KDE it seems to be set in kdmrc. Look at the manual around GreetString and related options. Use file_line or something, probably.



Christopher

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[Warron French]

Christopher, thanks for replying.  I am going to look into these.

If nothing else, maybe it will teach me how to do it differently.  This is an excellent start though, thank you.

[Garrett Honeycutt]

On 10/21/16 4:03 PM, warron.french wrote:
> Hello all,
> I have created a puppet module (and class) that manages the content
> of the banners of systems.
>
> By banners, I am referring to:
>

> * /etc/issue
> * /etc/issue.net <http://issue.net>
> * /etc/motd

>
> These are all controlled by a class in my module named

> *mas_shared_all_bannersmgmt *with the class for those three files named
> - *mas_shared_all_bannersmgmt::text.*

>
> I have another empty class currently called

> *mas_shared_all_bannersmgmt::gdm* and I want it to be able to control

> the banner at the login prompt while logging in for Gnome Desktop.
>
> I will also eventually want to create another class called

> *mas_shared_all_bannersmgmt::kdm* and it will be in association with

> commands for KDE desktop environments ( I know a little redundant), as
> managed by KDM.
>
> Currently, I don't know if the same login banner (Legal Notice Text,
> whatever..) if set for Gnome will work for KDE... I will learn after I

> figure this out for Gnome (*GDM*).

>
> Can someone please point me in the best direction to accomplish this? I
> haven't found a single Puppet Module at the forge, and there isn't a
> resource for KDM/GDM type of behaviors either.
>
> After I get it working I intend to share it with the Puppet Forge, after
> I figure out how to make that happen as well.
>
>
> Thanks for the advice and guidance,
>
> --------------------------
>
> Warron French

Hi Warron,

Suggest using Ericsson/motd[1]. It manages just those three files, is
actively maintained, has tests and works on a ton of platforms.

If you are using the roles and profiles approach, you could have
different data in Hiera depending on your profile and have profiles for
GDM, KDM, etc.

[1] - https://github.com/Ericsson/puppet-module-motd

Best regards,
-g

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