On Thu, Jun 23, 2022 at 02:46:35PM +0200, Stefano Brivio wrote:
...
  This depends on a future change in mbuto to accept
external profile
 files. Add a file defining what we need for tests and demos, dropping
 udhcpc, plus udhcpc and dhclient scripts as they're not needed
 anymore, and switch to it.
 
 Suggested-by: David Gibson <david(a)gibson.dropbear.id.au>
 Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com> 
I made some hacks to test this with a locally patched mbuto and it
seems to be working for me now.  I quickly run into other problems
with the passt tests, but it's a good step.  So,

Tested-by: David Gibson <david(a)gibson.dropbear.id.au>

...
  ---
  test/demo/passt  |  2 +-
  test/lib/setup   |  2 +-
  test/passt.mbuto | 34 ++++++++++++++++++++++++++++++++++
  3 files changed, 36 insertions(+), 2 deletions(-)
  create mode 100755 test/passt.mbuto
 
 diff --git a/test/demo/passt b/test/demo/passt
 index 0ece04f..b67ed26 100644
 --- a/test/demo/passt
 +++ b/test/demo/passt
 @@ -56,7 +56,7 @@ say	Let's create a small initramfs image for the guest.
  guest	cd __TEMPDIR__
  guest	git clone git://mbuto.sh/mbuto
  guest	cd mbuto
 -guest	./mbuto -f passt.img -p passt -c lz4
 +guest	./mbuto -f passt.img -p __TEMPDIR__/passt/test/passt.mbuto -c lz4
  sleep	2
  
  nl
 diff --git a/test/lib/setup b/test/lib/setup
 index 0b6d915..cfbac3c 100755
 --- a/test/lib/setup
 +++ b/test/lib/setup
 @@ -34,7 +34,7 @@ setup_passt() {
  	pane_run GUEST "git -C ${__mbuto_dir} clone git://mbuto.sh/mbuto"
  	pane_status GUEST
  
 -	pane_run GUEST "${__mbuto_dir}/mbuto/mbuto -p passt -c lz4 -f mbuto.img"
 +	pane_run GUEST "${__mbuto_dir}/mbuto/mbuto -p test/passt.mbuto -c lz4 -f
mbuto.img"
  	pane_status GUEST
  
  	rm -rf "${__mbuto_dir}"
 diff --git a/test/passt.mbuto b/test/passt.mbuto
 new file mode 100755
 index 0000000..5cafb30
 --- /dev/null
 +++ b/test/passt.mbuto
 @@ -0,0 +1,34 @@
 +#!/bin/sh
 +#
 +# SPDX-License-Identifier: AGPL-3.0-or-later
 +#
 +# PASST - Plug A Simple Socket Transport
 +#  for qemu/UNIX domain socket mode
 +#
 +# test/passt.mbuto - mbuto (https://mbuto.sh) profile for test images
 +#
 +# Copyright (c) 2022 Red Hat GmbH
 +# Author: Stefano Brivio <sbrivio(a)redhat.com>
 +
 +PROGS="${PROGS:-ash,dash,bash ip mount ls insmod mkdir ln cat chmod lsmod
 +       modprobe find grep mknod mv rm umount jq iperf3 dhclient busybox logger
 +       sed tr chown sipcalc cut md5sum nc dd strace ping tail killall sleep
 +       sysctl nproc tcp_rr tcp_crr udp_rr which tee seq bc}"
 +
 +KMODS="${KMODS:- virtio_net virtio_pci}"
 +
 +LINKS="${LINKS:-
 +	 ash,dash,bash		/init
 +	 ash,dash,bash		/bin/sh
 +	 ash,dash,bash		/usr/bin/bash}"
 +
 +DIRS="${DIRS} /tmp"
 +
 +FIXUP="${FIXUP}
 +	:> /etc/fstab
 +	sh +m
 +"
 +
 +OUTPUT="KERNEL=__KERNEL__
 +INITRD=__INITRD__
 +" 
-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

On Sat, Jul 02, 2022 at 12:24:00AM +0200, Stefano Brivio wrote:
...
  On Thu, 23 Jun 2022 14:46:35 +0200
 Stefano Brivio <sbrivio(a)redhat.com> wrote:
 
  This depends on a future change in mbuto to
accept external profile
 files. Add a file defining what we need for tests and demos, dropping
 udhcpc, plus udhcpc and dhclient scripts as they're not needed
 anymore, and switch to it. 
 
 ...I'm not sure that dropping /sbin/dhclient-script is actually
 correct. David, does dhclient happen to work on Fedora without it? 
Uh.. I guess I don't actually know.  The fact that mbuto's currently
not including the virtio-net driver means I'm not even getting to the
point of attempting to dhcp.

...
  On my environment DHCP tests are broken with this
(DHCPv6 works):
 address, route, MTU and DNS are simply not set in the guest. 
-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson