Hi,
One other option that would be useful is what if my cobbler server has
a whole lot of profiles but I only want a few or the situation where -
since we have module ownership now - I only want "my profiles" on the
iso.
From what I read before, createiso basically mirrors the cobbler
server onto the livecd right? ( if error, please correct ) That's
cool, but what if I have a whole lot of media - like 10 distros - I
may only want to put my "Fedora X x86 desktop profiles" on the cd
right? Secondly, if I did have 10 distros, no way that all fits on my
one dvd...
Also, this might be a dumb question but does the livecd know how to
"install to self" as well?
Yours,
Aaron
On Mon, May 5, 2008 at 10:47 AM, Michael DeHaan <mdehaan@xxxxxxxxxx>
wrote:
Subhendu Ghosh wrote:
Michael DeHaan wrote:
For a while Cobbler has had a solution based
on koan and the live CD to enable network
provisioning of bare metal in environments
that either do not have DHCP, or do not have
control over DHCP that is sufficient enough to
set up a PXE environment. Naturally, if you
can set up a PXE environment with Cobbler,
it's very useful to have, and you'll want it.
So, along came the live CD.
The live CD was built using a recent Fedora,
and it had the magic ability to install any
distro -- /except/ you had to use Fedora to
build the Live CD, and the build process was
slow, and the live image was a bit bigger than
it needed to be. However, due to driver
constraints, it didn't always support the
latest in storage technology -- that was a
problem.
We have finally implemented the low-tech
solution, thanks to various folks in Red Hat
GPS, and some hacking I've done to integrate
that closer into cobbler.
Using 0.9.X or later (it's checked in now into
the git "devel" branch) you can do:
cobbler buildiso [--iso=] [--tempdir=]
[--profiles=]
This will automatically generate an ISO that
allows for menus just like Cobbler's PXE boot
menus, for installing new systems. I also
plan to allow a configurable default profile
for those who want to mass deploy this image
using remote management processors, etc.
The menu will contain an entry for each bare
metal bootable profile, with the current data
set in Cobbler. Given that Cobbler now
generates kickstarts in real time, changes to
the kickstart templates can be made without
reburning the CD!
Again, the live CD is more dynamic, but this
is much smaller, faster, and easier to build.
The one thing the live CD still offers is
simulation of the MAC address detection
feature of PXE, but if you don't need to use
cobbler system records to provision your
lab/datacenter/etc, this will also get you
there -- and is probably the perfect fit if
the Live CD was not working out for you.
Test release will be available soon, git is
available now.
--Michael
If the iso(s) can be made available through the web
infrastructure, and accessible via a predefined or
calculated path, then a external rules engine could
drive the provisioning process through the remote
management processors's virtual media capabilities.
It can :)
mkdir /var/www/html/foo
cobbler buildiso --iso=/var/www/html/foo/kickstart.iso
I just need add the flag for setting what the default is and
making the timeouts variable.
Perhaps the profiles module could be extended to
define whether a iso should be generated or not. An
easy way to automatically generate boot isos.
Right now there's some basic code to keep paravirt "-xen"
distros from showing up on the ISO since they have no chance
of being bootable. Though that is a good idea.
Another possibility is to add it as "cobbler profile edit
--name=foo ... --menu=foo" to do submenus, and if we really
wanted that. We could allow
--menu=hide as part of that syntax.
-sg
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