Hi Paul
It looks interesting, I guess I can use your code and extend it to
support complete file system instead of just a file. Will come back to
the list with a patch in case someone else finds it useful
Thanks
On Wed, Jan 15, 2020 at 2:53 PM Paul Barker <pbar...@konsulko.com> wrote:
>
> On Wed, 15 Jan 2020 at 13:05, Ricardo Ribalda Delgado
> <ricardo.riba...@gmail.com> wrote:
> >
> > Hello
> >
> > I am trying to figure out the best way to achieve this. I have a
> > system with a host and a target. The target netboots form the host and
> > have a different package architecture.
> >
> > Usually I was solving this with one partition per image/machine,
> > combined using a .wks file like:
> >
> > part /export --source rootfs --rootfs-dir=target-image --fstype=ext4
> > --label export --align 1024 --use-uuid --fsoptions defaults,ro
> > --extra-space 400M
> > part / --source rootfs --fstype=ext4 --label rootfs --align 1024
> > --use-uuid --fsoptions defaults,ro --extra-space 400M
> >
> > and then calling wic file after generating both images. ("wic create....")
> >
> > This works fine, but now I need to combine both partitions into one.
> > The reason is that the partition needs to play nice with the current
> > OTA upgrade system.
> >
> > What would be the best way to do this?
> >
> > 1) Implement a new wic plugin, called something like muli-rootfs,
> > where I can specify multiple rootfs and in which directory to unpack
> > them
> >
> > 2) Implement a .bb file that combines the two images in one.
> >
> > do_install() {
> > tar -mzxf $HOST/host-image.tar.gz -C ${D}/
> > tar -mzxf $HOST/target-image.tar.gz -C ${D}/export
> > }
> >
> > 3) Another way that I am not aware :)
>
> I've recently added the `--include-path` option to wic on master which
> may be helpful here:
> https://git.openembedded.org/openembedded-core/commit/?id=d4cd27a9837426e809190548a83c6c7c76505114.
> My use case was multiple rootfs copies on different partitions, with
> extra files added to just one copy of the rootfs. But it may also be
> useful for this case.
>
> Thanks,
> Paul
--
Ricardo Ribalda
--
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