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passt/test/lib/setup
Stefano Brivio a1e48a02ff test: Add migration tests 
PCAP=1 ./run migrate/bidirectional gives an overview of how the
whole thing is working.

Add 12 tests in total, checking basic functionality with and without
flows in both directions, with and without sockets in half-closed
states (both inbound and outbound), migration behaviour under traffic
flood, under traffic flood with > 253 flows, and strict checking of
sequences under flood with ramp patterns in both directions.

These tests need preparation and teardown for each case, as we need
to restore the source guest in its own context and pane before we can
test again. Eventually, we could consider alternating source and
target so that we don't need to restart from scratch every time, but
that's beyond the scope of this initial test implementation.

Trick: './run migrate/*' runs all the tests with preparation and
teardown steps.

Co-authored-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2025-02-17 08:29:36 +01:00

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#!/bin/sh
#
# SPDX-License-Identifier: GPL-2.0-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>
INITRAMFS="${BASEPATH}/mbuto.img"
VCPUS="$( [ $(nproc) -ge 8 ] && echo 6 || echo $(( $(nproc) / 2 + 1 )) )"
MEM_KIB="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p' /proc/meminfo)"
QEMU_ARCH="$(uname -m)"
[ "${QEMU_ARCH}" = "i686" ] && QEMU_ARCH=i386
# setup_build() - Set up pane layout for build tests
setup_build() {
context_setup_host host
layout_host
}
# setup_passt() - Start qemu and passt
setup_passt() {
context_setup_host host
context_setup_host passt
context_setup_host qemu
layout_passt
# Ports:
#
# guest | host
# --------------|---------------------
# 10001 as server | forwarded to guest
# 10003 | as server
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
[ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
context_run passt "make clean"
context_run passt "make valgrind"
context_run_bg passt "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt ${__opts} -s ${STATESETUP}/passt.socket -f -t 10001 -u 10001 -H hostname1 --fqdn fqdn1.passt.test -P ${STATESETUP}/passt.pid"
# pidfile isn't created until passt is listening
wait_for [ -f "${STATESETUP}/passt.pid" ]
__vmem="$((${MEM_KIB} / 1024 / 4))"
if [ ${VHOST_USER} -eq 1 ]; then
__vmem="$(((${__vmem} + 500) / 1000))G"
__qemu_netdev=" \
-chardev socket,id=c,path=${STATESETUP}/passt.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
else
__qemu_netdev="-device virtio-net-pci,netdev=s \
-netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket"
fi
GUEST_CID=94557
context_run_bg qemu 'qemu-system-'"${QEMU_ARCH}" \
' -machine accel=kvm' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev}" \
" -pidfile ${STATESETUP}/qemu.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_CID"
context_setup_guest guest $GUEST_CID
}
# setup_pasta() - Create a network and user namespace, connect pasta to it
setup_pasta() {
context_setup_host host
context_setup_host passt
context_setup_host unshare
layout_pasta
context_run_bg unshare "unshare -rUnpf ${NSTOOL} hold ${STATESETUP}/ns.hold"
context_setup_nstool ns ${STATESETUP}/ns.hold
# Ports:
#
# ns | host
# ------------------|---------------------
# 10002 as server | spliced to ns
# 10003 spliced to init | as server
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg passt "./pasta ${__opts} -f -t 10002 -T 10003 -u 10002 -U 10003 -P ${STATESETUP}/passt.pid $(${NSTOOL} info -pw ${STATESETUP}/ns.hold)"
# pidfile isn't created until pasta is ready
wait_for [ -f "${STATESETUP}/passt.pid" ]
}
# setup_passt_in_ns() - Set up namespace (with pasta), run qemu and passt into it
setup_passt_in_ns() {
context_setup_host host
context_setup_host pasta
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 ${LOGDIR}/pasta_with_passt.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
__map_host4=192.0.2.1
__map_host6=2001:db8:9a55::1
__map_ns4=192.0.2.2
__map_ns6=2001:db8:9a55::2
context_run_bg pasta "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P ${STATESETUP}/pasta.pid --map-host-loopback ${__map_host4} --map-host-loopback ${__map_host6} --config-net ${NSTOOL} hold ${STATESETUP}/ns.hold"
wait_for [ -f "${STATESETUP}/pasta.pid" ]
context_setup_nstool qemu ${STATESETUP}/ns.hold
context_setup_nstool ns ${STATESETUP}/ns.hold
context_setup_nstool passt ${STATESETUP}/ns.hold
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_in_pasta.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
[ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
if [ ${VALGRIND} -eq 1 ]; then
context_run passt "make clean"
context_run passt "make valgrind"
context_run_bg passt "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt -f ${__opts} -s ${STATESETUP}/passt.socket -H hostname1 --fqdn fqdn1.passt.test -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P ${STATESETUP}/passt.pid --map-host-loopback ${__map_ns4} --map-host-loopback ${__map_ns6}"
else
context_run passt "make clean"
context_run passt "make"
context_run_bg passt "./passt -f ${__opts} -s ${STATESETUP}/passt.socket -H hostname1 --fqdn fqdn1.passt.test -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P ${STATESETUP}/passt.pid --map-host-loopback ${__map_ns4} --map-host-loopback ${__map_ns6}"
fi
wait_for [ -f "${STATESETUP}/passt.pid" ]
__vmem="$((${MEM_KIB} / 1024 / 4))"
if [ ${VHOST_USER} -eq 1 ]; then
__vmem="$(((${__vmem} + 500) / 1000))G"
__qemu_netdev=" \
-chardev socket,id=c,path=${STATESETUP}/passt.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
else
__qemu_netdev="-device virtio-net-pci,netdev=s \
-netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket"
fi
GUEST_CID=94557
context_run_bg qemu 'qemu-system-'"${QEMU_ARCH}" \
' -machine accel=kvm' \
' -M accel=kvm:tcg' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev}" \
" -pidfile ${STATESETUP}/qemu.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_CID"
context_setup_guest guest $GUEST_CID
}
# setup_two_guests() - Set up two namespace, run qemu and passt in both of them
setup_two_guests() {
context_setup_host host
context_setup_host pasta_1
context_setup_host pasta_2
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
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg pasta_1 "./pasta ${__opts} --trace -l /tmp/pasta1.log -P ${STATESETUP}/pasta_1.pid -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004 --config-net ${NSTOOL} hold ${STATESETUP}/ns1.hold"
context_setup_nstool passt_1 ${STATESETUP}/ns1.hold
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg pasta_2 "./pasta ${__opts} --trace -l /tmp/pasta2.log -P ${STATESETUP}/pasta_2.pid -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001 --config-net ${NSTOOL} hold ${STATESETUP}/ns2.hold"
context_setup_nstool passt_2 ${STATESETUP}/ns2.hold
context_setup_nstool qemu_1 ${STATESETUP}/ns1.hold
context_setup_nstool qemu_2 ${STATESETUP}/ns2.hold
__ifname="$(context_run qemu_1 "ip -j link show | jq -rM '.[] | select(.link_type == \"ether\").ifname'")"
sleep 1
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
[ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
context_run_bg passt_1 "./passt -s ${STATESETUP}/passt_1.socket -P ${STATESETUP}/passt_1.pid -f ${__opts} --fqdn fqdn1.passt.test -H hostname1 -t 10001 -u 10001"
wait_for [ -f "${STATESETUP}/passt_1.pid" ]
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
[ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
context_run_bg passt_2 "./passt -s ${STATESETUP}/passt_2.socket -P ${STATESETUP}/passt_2.pid -f ${__opts} --hostname hostname2 --fqdn fqdn2 -t 10004 -u 10004"
wait_for [ -f "${STATESETUP}/passt_2.pid" ]
__vmem="$((${MEM_KIB} / 1024 / 4))"
if [ ${VHOST_USER} -eq 1 ]; then
__vmem="$(((${__vmem} + 500) / 1000))G"
__qemu_netdev1=" \
-chardev socket,id=c,path=${STATESETUP}/passt_1.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
__qemu_netdev2=" \
-chardev socket,id=c,path=${STATESETUP}/passt_2.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
else
__qemu_netdev1="-device virtio-net-pci,netdev=s \
-netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_1.socket"
__qemu_netdev2="-device virtio-net-pci,netdev=s \
-netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_2.socket"
fi
GUEST_1_CID=94557
context_run_bg qemu_1 'qemu-system-'"${QEMU_ARCH}" \
' -M accel=kvm:tcg' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev1}" \
" -pidfile ${STATESETUP}/qemu_1.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_1_CID"
GUEST_2_CID=94558
context_run_bg qemu_2 'qemu-system-'"${QEMU_ARCH}" \
' -M accel=kvm:tcg' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev2}" \
" -pidfile ${STATESETUP}/qemu_2.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_2_CID"
context_setup_guest guest_1 ${GUEST_1_CID}
context_setup_guest guest_2 ${GUEST_2_CID}
}
# setup_migrate() - Set up two namespace, run qemu, passt/passt-repair in both
setup_migrate() {
context_setup_host host
context_setup_host mon
context_setup_host pasta_1
context_setup_host pasta_2
layout_migrate
# Ports:
#
# guest #1 | guest #2 | ns #1 | host
# --------- |-----------|-----------|------------
# 10001 as server | | to guest | to ns #1
# 10002 | | as server | to ns #1
# 10003 | | to init | as server
# 10004 | as server | to guest | to ns #1
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
__map_host4=192.0.2.1
__map_host6=2001:db8:9a55::1
__map_ns4=192.0.2.2
__map_ns6=2001:db8:9a55::2
# Option 1: send stuff via spliced path in pasta
# context_run_bg pasta_1 "./pasta ${__opts} -P ${STATESETUP}/pasta_1.pid -t 10001,10002 -T 10003 -u 10001,10002 -U 10003 --config-net ${NSTOOL} hold ${STATESETUP}/ns1.hold"
# Option 2: send stuff via tap (--map-guest-addr) instead (useful to see capture of full migration)
context_run_bg pasta_1 "./pasta ${__opts} -P ${STATESETUP}/pasta_1.pid -t 10001,10002,10004 -T 10003 -u 10001,10002,10004 -U 10003 --map-guest-addr ${__map_host4} --map-guest-addr ${__map_host6} --config-net ${NSTOOL} hold ${STATESETUP}/ns1.hold"
context_setup_nstool passt_1 ${STATESETUP}/ns1.hold
context_setup_nstool passt_repair_1 ${STATESETUP}/ns1.hold
context_setup_nstool passt_2 ${STATESETUP}/ns1.hold
context_setup_nstool passt_repair_2 ${STATESETUP}/ns1.hold
context_setup_nstool qemu_1 ${STATESETUP}/ns1.hold
context_setup_nstool qemu_2 ${STATESETUP}/ns1.hold
__ifname="$(context_run qemu_1 "ip -j link show | jq -rM '.[] | select(.link_type == \"ether\").ifname'")"
sleep 1
__opts="--vhost-user"
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg passt_1 "./passt -s ${STATESETUP}/passt_1.socket -P ${STATESETUP}/passt_1.pid -f ${__opts} -t 10001 -u 10001"
wait_for [ -f "${STATESETUP}/passt_1.pid" ]
context_run_bg passt_repair_1 "./passt-repair ${STATESETUP}/passt_1.socket.repair"
__opts="--vhost-user"
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg passt_2 "./passt -s ${STATESETUP}/passt_2.socket -P ${STATESETUP}/passt_2.pid -f ${__opts} -t 10004 -u 10004"
wait_for [ -f "${STATESETUP}/passt_2.pid" ]
context_run_bg passt_repair_2 "./passt-repair ${STATESETUP}/passt_2.socket.repair"
__vmem="512M" # Keep migration fast
__qemu_netdev1=" \
-chardev socket,id=c,path=${STATESETUP}/passt_1.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
__qemu_netdev2=" \
-chardev socket,id=c,path=${STATESETUP}/passt_2.socket \
-netdev vhost-user,id=v,chardev=c \
-device virtio-net,netdev=v \
-object memory-backend-memfd,id=m,share=on,size=${__vmem} \
-numa node,memdev=m"
GUEST_1_CID=94557
context_run_bg qemu_1 'qemu-system-'"${QEMU_ARCH}" \
' -M accel=kvm:tcg' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev1}" \
" -pidfile ${STATESETUP}/qemu_1.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_1_CID" \
" -monitor unix:${STATESETUP}/qemu_1_mon.sock,server,nowait"
GUEST_2_CID=94558
context_run_bg qemu_2 'qemu-system-'"${QEMU_ARCH}" \
' -M accel=kvm:tcg' \
' -m '${__vmem}' -cpu host -smp '${VCPUS} \
' -kernel '"${KERNEL}" \
' -initrd '${INITRAMFS}' -nographic -serial stdio' \
' -nodefaults' \
' -append "console=ttyS0 mitigations=off apparmor=0" ' \
" ${__qemu_netdev2}" \
" -pidfile ${STATESETUP}/qemu_2.pid" \
" -device vhost-vsock-pci,guest-cid=$GUEST_2_CID" \
" -monitor unix:${STATESETUP}/qemu_2_mon.sock,server,nowait" \
" -incoming tcp:0:20005"
context_setup_guest guest_1 ${GUEST_1_CID}
# Only available after migration:
( context_setup_guest guest_2 ${GUEST_2_CID} & )
}
# teardown_context_watch() - Remove contexts and stop panes watching them
# $1: Pane number watching
# $@: Context names
teardown_context_watch() {
__pane="$1"
shift
for __c; do
context_teardown "${__c}"
done
tmux send-keys -t ${__pane} "C-c"
}
# teardown_build() - Nothing to do, yet
teardown_build() {
teardown_context_watch ${PANE_HOST} host
}
# teardown_passt() - Kill qemu, remove passt PID file
teardown_passt() {
kill $(cat "${STATESETUP}/qemu.pid")
rm "${STATESETUP}/passt.pid"
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_PASST} passt
teardown_context_watch ${PANE_GUEST} qemu guest
}
# teardown_pasta() - Exit namespace, kill pasta process
teardown_pasta() {
${NSTOOL} stop "${STATESETUP}/ns.hold"
context_wait unshare
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_PASST} passt
teardown_context_watch ${PANE_NS} unshare ns
}
# teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
teardown_passt_in_ns() {
context_run ns kill $(cat "${STATESETUP}/qemu.pid")
context_wait qemu
${NSTOOL} stop "${STATESETUP}/ns.hold"
context_wait pasta
rm "${STATESETUP}/passt.pid" "${STATESETUP}/pasta.pid"
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_PASST} pasta passt
teardown_context_watch ${PANE_NS} ns
teardown_context_watch ${PANE_GUEST} qemu guest
}
# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
teardown_two_guests() {
${NSTOOL} exec ${STATESETUP}/ns1.hold -- kill $(cat "${STATESETUP}/qemu_1.pid")
${NSTOOL} exec ${STATESETUP}/ns2.hold -- kill $(cat "${STATESETUP}/qemu_2.pid")
context_wait qemu_1
context_wait qemu_2
${NSTOOL} exec ${STATESETUP}/ns1.hold -- kill $(cat "${STATESETUP}/passt_1.pid")
${NSTOOL} exec ${STATESETUP}/ns2.hold -- kill $(cat "${STATESETUP}/passt_2.pid")
context_wait passt_1
context_wait passt_2
${NSTOOL} stop "${STATESETUP}/ns1.hold"
${NSTOOL} stop "${STATESETUP}/ns2.hold"
context_wait pasta_1
context_wait pasta_2
rm "${STATESETUP}/passt_1.pid" "${STATESETUP}/passt_2.pid"
rm "${STATESETUP}/pasta_1.pid" "${STATESETUP}/pasta_2.pid"
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_GUEST_1} qemu_1 guest_1
teardown_context_watch ${PANE_GUEST_2} qemu_2 guest_2
teardown_context_watch ${PANE_PASST_1} pasta_1 passt_1
teardown_context_watch ${PANE_PASST_2} pasta_2 passt_2
}
# teardown_migrate() - Exit namespaces, kill qemu processes, passt and pasta
teardown_migrate() {
${NSTOOL} exec ${STATESETUP}/ns1.hold -- kill $(cat "${STATESETUP}/qemu_1.pid")
${NSTOOL} exec ${STATESETUP}/ns1.hold -- kill $(cat "${STATESETUP}/qemu_2.pid")
context_wait qemu_1
context_wait qemu_2
${NSTOOL} exec ${STATESETUP}/ns1.hold -- kill $(cat "${STATESETUP}/passt_2.pid")
context_wait passt_1
context_wait passt_2
${NSTOOL} stop "${STATESETUP}/ns1.hold"
context_wait pasta_1
rm -f "${STATESETUP}/passt_1.pid" "${STATESETUP}/passt_2.pid"
rm -f "${STATESETUP}/pasta_1.pid" "${STATESETUP}/pasta_2.pid"
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_GUEST_1} qemu_1 guest_1
teardown_context_watch ${PANE_GUEST_2} qemu_2 guest_2
teardown_context_watch ${PANE_PASST_1} pasta_1 passt_1
teardown_context_watch ${PANE_PASST_2} pasta_1 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_PASST} "C-c"
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
# $*: Suffix list of setup_*() functions to be called
setup() {
for arg do
STATESETUP="${STATEBASE}/${arg}"
mkdir -p "${STATESETUP}"
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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