We had a discussion with Daniel and agreed on following: 1) we accept the feature 2) we want to have an option to specify grub config file. And if this option is present, the scanning would be disabled 3) to avoid multiple round-trips can we request all the possible files in parallel?
On Wed, 30 Oct 2019, 11:40 Javier Martinez Canillas, <javi...@redhat.com> wrote: > Hello Vladimir, > > On 10/29/19 5:18 PM, Vladimir 'phcoder' Serbinenko wrote: > > What is the problem with main grub.cfg just including the files based on > > environment variables? > > > > Do you mean having a grub.cfg that fetches the machine specific grub.cfg? > i.e: > > configfile (tftp,$net_default_server)/EFI/BOOT/grub.cfg.$net_default_ip > > While is true that this could be done, is not ideal since then all the > logic > to determine which config file to fetch will have to be encoded into this > first > stage grub.cfg that will be downloaded by all the machines. > > This policy will have to be written as a GRUB config script instead of > being in > the installation server backend, that could just provide the machine > specific > config files using the suffixes convention introduced by this patch-set. > > And when managing a big fleet of machines the monolithic approach of > having all > this policy in a single grub.cfg file could be hard to maintain and error > prone. > > As mentioned in the commit message, others bootloaders already support > this. For > example pxelinux and yaboot. So users migrating from pxelinux and yaboot > to GRUB > for PXE booting asked for this since they already have built > infrastructure that > rely on this feature. > > We have been carrying these patches since 2012 and our users expect this > feature > to be available for their network installation environments. I also think > that's > useful and gives GRUB feature parity with other bootloaders for network > booting. > > Best regards, > -- > Javier Martinez Canillas > Software Engineer - Desktop Hardware Enablement > Red Hat > >
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