On Sat, Jul 23, 2005 at 03:15:12PM -0400, Joey Hess wrote:
>
> I've wanted for a while a way to let dhcp servers broadcast a preseed
> file (either content or url). If you can point me at a way to make a
> dhcp server do that and show me what it looks like to a dhcp client,
> then the rest of the peices should be very easy to put together.
My idea is based on having seen
| if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
| filename "/eb-ROM-image.lzpxe";
| } else if substring (option vendor-class-identifier, 0, 9) = "Etherboot"
| {
| filename "/kernel.img";
| }
in a DHCP _server_ configuration file.
I still haven't found time to dive into netcfg to find out which
vendor-class-identifier is emits (broadcasts).
When netcfg in d-i includes "inStaller" as vendor-class-identifier,
then can at DHCP server side the configuration contain:
| if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
| filename "/eb-ROM-image.lzpxe";
| } else if substring (option vendor-class-identifier, 0, 9) = "Etherboot"
| {
| filename "/kernel.img";
| } else if substring (option vendor-class-identifier, 0, 9) = "inStaller"
| {
| filename "http://webserver.domain.tld/path/to/preseed.cfg";;
| }
The string "http://webserver.domain.tld/path/to/preseed.cfg"; is an URL
that is understood by `wget`.
Cheers
Geert Stappers
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