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passt/test/lib/setup
Stefano Brivio 66a95e331e test, seccomp, Makefile: Switch to valgrind runs for passt functional tests 
Pass to seccomp.sh a list of additional syscalls valgrind needs as
EXTRA_SYSCALLS in a new 'valgrind' make target, and add corresponding
support in seccomp.sh itself.

In test setup functions, start passt with valgrind, but not for
performance tests.

Add tests checking that valgrind exits without errors after all the
other tests in the group are done.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2022-03-29 15:35:38 +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
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/lib/setup - Set up and tear down passt and pasta environments
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
VCPUS="$( [ $(nproc) -ge 8 ] && echo 6 || echo $(( $(nproc) / 2 + 1 )) )"
__mem_kib="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p' /proc/meminfo)"
VMEM="$((${__mem_kib} / 1024 / 4))"
# setup_build() - Set up pane layout for build tests
setup_build() {
MODE=build
layout_host
}
# setup_passt() - Build guest initrd with mbuto, start qemu and passt
setup_passt() {
MODE=passt
layout_passt
__mbuto_dir="$(mktemp -d)"
pane_run GUEST "git -C ${__mbuto_dir} clone https://mbuto.lameexcu.se/mbuto/"
pane_wait GUEST
pane_run GUEST "${__mbuto_dir}/mbuto/mbuto -p passt -c lz4 -f mbuto.img"
pane_wait GUEST
rm -rf "${__mbuto_dir}"
# Ports:
#
# guest | host
# --------------|---------------------
# 10001 as server | forwarded to guest
# 10003 | as server
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST "make clean"
pane_wait PASST
pane_run PASST "make valgrind"
pane_wait PASST
pane_run PASST "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt ${__opts} -f -t 10001 -u 10001 -P passt.pid"
sleep 5
pane_run GUEST './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
' -kernel ' "/boot/vmlinuz-$(uname -r)" \
' -initrd mbuto.img -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0 ' \
'virtio-net.napi_tx=1"' \
" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
" -netdev socket,fd=5,id=hostnet0"
pane_wait GUEST
}
# setup_pasta() - Create a network and user namespace, connect pasta to it
setup_pasta() {
MODE=pasta
layout_pasta
pane_run NS 'echo $$'
pane_wait NS
__tty_pid="$(pane_parse NS)"
pane_run NS "unshare -rUnpf /bin/sh"
pane_wait NS
pane_run PASST "pstree -p ${__tty_pid} | sed -n 's/.*(\([0-9].*\))$/\1/p'"
pane_wait PASST
__target_pid="$(pane_parse PASST)"
# Ports:
#
# ns | host
# ------------------|---------------------
# 10002 as server | spliced to ns
# 10003 spliced to init | as server
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/pasta.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST "./pasta ${__opts} -f -t 10002 -T 10003 -u 10002 -U 10003 ${__target_pid}"
sleep 1
}
# setup_passt_in_ns() - Set up namespace (with pasta), run qemu and passt into it
setup_passt_in_ns() {
MODE=passt_in_ns
layout_passt_in_pasta
# Ports:
#
# guest | ns | host
# -------------|--------------------|-----------------
# 10001 as server | forwarded to guest | spliced to ns
# 10002 | as server | spliced to ns
# 10003 | spliced to init | as server
# 10011 as server | forwarded to guest | spliced to ns
# 10012 | as server | spliced to ns
# 10013 | spliced to init | as server
#
# 10021 as server | forwarded to guest |
# 10031 as server | forwarded to guest |
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/pasta_with_passt.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
__pid_file="$(mktemp)"
pane_run PASST "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P ${__pid_file}"
sleep 1
pane_run PASST ''
pane_wait PASST
__pasta_pid="$(cat "${__pid_file}")"
__ns_pid="$(cat /proc/${__pasta_pid}/task/${__pasta_pid}/children | cut -f1 -d' ')"
rm "${__pid_file}"
pane_run GUEST "nsenter -t ${__ns_pid} -U -n --preserve-credentials"
pane_run NS "nsenter -t ${__ns_pid} -U -n -p --preserve-credentials"
pane_wait GUEST
pane_wait NS
pane_run NS "ip -j li sh | jq -rM '.[] | select(.link_type == \"ether\").ifname'"
pane_wait NS
__ifname="$(pane_parse NS)"
pane_run NS "/sbin/udhcpc -i ${__ifname}"
pane_wait NS
sleep 2
pane_run NS "/sbin/dhclient -6 ${__ifname}"
pane_wait NS
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_in_pasta.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
if [ ${VALGRIND} -eq 1 ]; then
pane_run PASST "make clean"
pane_wait PASST
pane_run PASST "make valgrind"
pane_wait PASST
pane_run PASST "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
else
pane_run PASST "make clean"
pane_wait PASST
pane_run PASST "make"
pane_wait PASST
pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
fi
sleep 5
pane_run GUEST './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
' -kernel ' "/boot/vmlinuz-$(uname -r)" \
' -initrd mbuto.img -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0 ' \
'virtio-net.napi_tx=1"' \
" -device virtio-net-pci,netdev=hostnet0,x-txburst=524288" \
" -netdev socket,fd=5,id=hostnet0"
pane_wait GUEST
}
# setup_two_guests() - Set up two namespace, run qemu and passt in both of them
setup_two_guests() {
MODE=passt_in_ns
layout_two_guests
# Ports:
#
# guest #1 | guest #2 | ns #1 | ns #2 | host
# --------- |-----------|-----------|------------|------------
# 10001 as server | | to guest | to init | to ns #1
# 10002 | | as server | | to ns #1
# 10003 | | to init | to init | as server
# 10004 | as server | to init | to guest | to ns #2
# 10005 | | | as server | to ns #2
__pid1_file="$(mktemp)"
__pid2_file="$(mktemp)"
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/pasta_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST_1 "./pasta ${__opts} -P ${__pid1_file} -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004"
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/pasta_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST_2 "./pasta ${__opts} -P ${__pid2_file} -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001"
sleep 1
pane_run PASST_1 ''
pane_run PASST_2 ''
pane_wait PASST_1
pane_wait PASST_2
__pasta1_pid="$(cat "${__pid1_file}")"
__ns1_pid="$(cat /proc/${__pasta1_pid}/task/${__pasta1_pid}/children | cut -f1 -d' ')"
rm "${__pid1_file}"
__pasta2_pid="$(cat "${__pid2_file}")"
__ns2_pid="$(cat /proc/${__pasta2_pid}/task/${__pasta2_pid}/children | cut -f1 -d' ')"
rm "${__pid2_file}"
pane_run GUEST_1 "nsenter -t ${__ns1_pid} -U -n --preserve-credentials"
pane_run GUEST_2 "nsenter -t ${__ns2_pid} -U -n --preserve-credentials"
pane_run PASST_1 "ip -j li sh | jq -rM '.[] | select(.link_type == \"ether\").ifname'"
pane_wait PASST_1
__ifname="$(pane_parse PASST_1)"
pane_run GUEST_1 "/sbin/udhcpc -i ${__ifname}"
pane_run GUEST_2 "/sbin/udhcpc -i ${__ifname}"
pane_wait GUEST_1
pane_wait GUEST_2
sleep 2
pane_run GUEST_1 "/sbin/dhclient -6 ${__ifname}"
pane_run GUEST_2 "/sbin/dhclient -6 ${__ifname}"
pane_wait GUEST_1
pane_wait GUEST_2
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST_1 "./passt -f ${__opts} -t 10001 -u 10001"
sleep 1
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
pane_run PASST_2 "./passt -f ${__opts} -t 10004 -u 10004"
pane_run GUEST_2 'cp mbuto.img mbuto_2.img'
pane_wait GUEST_2
pane_run GUEST_1 './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
' -kernel ' "/boot/vmlinuz-$(uname -r)" \
' -initrd mbuto.img -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0 ' \
'virtio-net.napi_tx=1"' \
" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
" -netdev socket,fd=5,id=hostnet0"
pane_run GUEST_2 './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
' -kernel ' "/boot/vmlinuz-$(uname -r)" \
' -initrd mbuto_2.img -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0 ' \
'virtio-net.napi_tx=1"' \
" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
" -netdev socket,fd=5,id=hostnet0"
pane_wait GUEST_1
pane_wait GUEST_2
}
# teardown_passt() - Kill qemu, remove passt PID file
teardown_passt() {
tmux send-keys -t ${PANE_GUEST} "C-c"
pane_wait GUEST
rm passt.pid
}
# teardown_passt() - Exit namespace, kill pasta process
teardown_pasta() {
tmux send-keys -t ${PANE_PASST} "C-c"
pane_wait PASST
tmux send-keys -t ${PANE_NS} "C-d"
pane_wait NS
}
# teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
teardown_passt_in_ns() {
tmux send-keys -t ${PANE_GUEST} "C-c"
pane_wait GUEST
tmux send-keys -t ${PANE_GUEST} "C-d"
[ ${VALGRIND} -eq 0 ] && tmux send-keys -t ${PANE_PASST} "C-c"
[ ${VALGRIND} -eq 0 ] && pane_wait GUEST
tmux send-keys -t ${PANE_PASST} "C-d"
tmux send-keys -t ${PANE_NS} "C-d"
pane_wait GUEST
pane_wait NS
pane_wait PASST
rm passt.pid
}
# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
teardown_two_guests() {
tmux send-keys -t ${PANE_GUEST_1} "C-c"
pane_wait GUEST_1
tmux send-keys -t ${PANE_GUEST_1} "C-d"
tmux send-keys -t ${PANE_GUEST_2} "C-c"
pane_wait GUEST_2
tmux send-keys -t ${PANE_GUEST_2} "C-d"
tmux send-keys -t ${PANE_PASST_1} "C-c"
pane_wait PASST_1
tmux send-keys -t ${PANE_PASST_1} "C-d"
tmux send-keys -t ${PANE_PASST_2} "C-c"
pane_wait PASST_2
tmux send-keys -t ${PANE_PASST_2} "C-d"
tmux send-keys -t ${PANE_NS_1} "C-d"
tmux send-keys -t ${PANE_NS_2} "C-d"
pane_wait GUEST_1
pane_wait GUEST_2
ns_1_wait
ns_2_wait
pane_wait PASST_1
pane_wait PASST_2
}
# teardown_demo_passt() - Exit namespace, kill qemu, passt and pasta
teardown_demo_passt() {
tmux send-keys -t ${PANE_GUEST} "C-c"
pane_wait GUEST
tmux send-keys -t ${PANE_GUEST} "C-d"
tmux send-keys -t ${PANE_HOST} "C-d"
tmux send-keys -t ${PANE_PASST} "C-c"
pane_wait PASST
tmux send-keys -t ${PANE_PASST} "C-d"
pane_wait GUEST
pane_wait HOST
pane_wait PASST
tmux kill-pane -a -t 0
tmux send-keys -t 0 "C-c"
}
# teardown_demo_pasta() - Exit perf and namespace from remaining pane
teardown_demo_pasta() {
tmux send-keys -t ${PANE_NS} "q"
pane_wait NS
tmux send-keys -t ${PANE_NS} "C-d"
pane_wait NS
tmux kill-pane -a -t 0
tmux send-keys -t 0 "C-c"
}
# teardown_demo_podman() - Exit namespaces
teardown_demo_podman() {
tmux send-keys -t ${PANE_NS1} "C-d"
tmux send-keys -t ${PANE_NS2} "C-d"
pane_wait NS1
pane_wait NS2
tmux kill-pane -a -t 0
tmux send-keys -t 0 "C-c"
}
# setup() - Run setup_*() functions
# $*: Suffix list of setup_*() functions to be called
setup() {
for arg do
eval setup_${arg}
done
}
# teardown() - Run teardown_*() functions
# $*: Suffix list of teardown_*() functions to be called
teardown() {
for arg do
eval teardown_${arg}
done
}
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