IIRC, there's a BootP module for Ansible. I'm not at a place where I can
verify that though.
On Tue, Nov 8, 2016 at 11:26 AM, Bernard Fay <bernard.fay@xxxxxxxxx> wrote:
> It would be hard to use ansible, cfengine or whatever while there no IP
> address on the new VM.....
>
>
>
> On Tue, Nov 8, 2016 at 10:47 AM, <cpolish@xxxxxxxxxxxx> wrote:
>
> > On 2016-11-07 14:35, Bernard Fay wrote:
> > > Hi,
> > >
> > > We have a virtual environment based on XenServer. In this environment I
> > > defined a template for CentOS 7 servers.
> > >
> > > I would like to start a script a boot time to complete the
> configuration
> > of
> > > new VMs based on this template. How can I have a script started before
> > any
> > > login prompt to ask question to the user to complete the configuration
> > such
> > > as hostname, IP address, etc?
> >
> > Hi Bernard,
> >
> > My first impulse was "don't!", and that's probably the best
> > advise. A popular model is that the "firstboot" package takes
> > care of this at the first user login, and *nix systems sort of
> > depend on this "logged in users do stuff" model.
> >
> > Even better, use ansible, cfengine, chef, or puppet to automate
> > the task of setting things up. This is the _best_ solution and
> > you will eventually come back to it.
> >
> > But, the darker, cynical part of my brain, the part that says
> > "what, you're cutting down on coffee?" part, said "sure you
> > can". Here's how it _could_ be done.
> >
> > DON'T DO THIS. TURN BACK NOW.
> >
> > Replace /sbin/init with a shell script that does what you want.
> > It will be the first userland process started, have the console
> > for I/O, and run as root. At completion, restore the original
> > /sbin/init and reboot. Leave no traces behind. Do not document
> > your awful hack, others will use your words against you.
> >
> > Best regards,
> > --
> > Chuck
> >
> > _______________________________________________
> > CentOS mailing list
> > CentOS@xxxxxxxxxx
> > https://lists.centos.org/mailman/listinfo/centos
> >
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