passt/test/passt.mbuto
David Gibson 1fb2bd6754 tests: Add rudimentary debugging to dhclient-script
We now supply a minimal dhclient-script of our own in the mbuto boot image.
There are some problems with it, so add some basic logging to help debug
it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2022-07-22 19:41:42 +02:00

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#!/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@redhat.com>
PROGS="${PROGS:-ash,dash,bash ip mount ls insmod mkdir ln cat chmod lsmod
modprobe find grep mknod mv rm umount jq iperf3 dhclient hostname
sed tr chown sipcalc cut md5sum nc dd strace ping tail killall sleep
sysctl nproc tcp_rr tcp_crr udp_rr which tee seq bc}"
KMODS="${KMODS:- virtio_net virtio_pci}"
LINKS="${LINKS:-
ash,dash,bash /init
ash,dash,bash /bin/sh}"
DIRS="${DIRS} /tmp /sbin /var/log"
FIXUP="${FIXUP}"'
cat > /sbin/dhclient-script << EOF
#!/bin/sh
LOG=/var/log/dhclient-script.log
echo \${reason} \${interface} >> \$LOG
set >> \$LOG
[ -n "\${new_interface_mtu}" ] && ip link set dev \${interface} mtu \${new_interface_mtu}
[ -n "\${new_ip_address}" ] && ip addr add \${new_ip_address}/\${new_subnet_mask} dev \${interface}
[ -n "\${new_routers}" ] && for r in \${new_routers}; do ip route add default via \${r} dev \${interface}; done
[ -n "\${new_domain_name_servers}" ] && for d in \${new_domain_name_servers}; do echo "nameserver \${d}" >> /etc/resolv.conf; done
[ -n "\${new_domain_name}" ] && (printf "search"; for d in \${new_domain_name}; do printf " %s" "\${d}"; done; printf "\n") >> /etc/resolv.conf
[ -n "\${new_ip6_address}" ] && ip addr add \${new_ip6_address}/\${new_ip6_prefixlen} dev \${interface}
[ -n "\${new_dhcp6_name_servers}" ] && for d in \${new_dhcp6_name_servers}; do echo "nameserver \${d}%\${interface}" >> /etc/resolv.conf; done
[ -n "\${new_dhcp6_domain_search}" ] && (printf "search"; for d in \${new_dhcp6_domain_search}; do printf " %s" "\${d}"; done; printf "\n") >> /etc/resolv.conf
[ -n "\${new_host_name}" ] && hostname "\${new_host_name}"
exit 0
EOF
chmod 755 /sbin/dhclient-script
ln -s /sbin /usr/sbin
:> /etc/fstab
sh +m
'
OUTPUT="KERNEL=__KERNEL__
INITRD=__INITRD__
"