mirror of
https://passt.top/passt
synced 2024-12-22 21:55:22 +00:00
bec6d3e084
...otherwise, we'll leave processes (dhclient) around. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
376 lines
11 KiB
Bash
Executable File
376 lines
11 KiB
Bash
Executable File
#!/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"
|
|
pane_run PASST "./passt ${__opts} -f -t 10001 -u 10001"
|
|
sleep 1
|
|
|
|
pane_run GUEST './qrap 5 kvm -m '${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"
|
|
|
|
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"
|
|
|
|
__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 ${__ns_pid} -U -n --preserve-credentials"
|
|
pane_wait GUEST
|
|
pane_wait NS
|
|
|
|
pane_run NS "ip -j li sh | jq -rM '.[] | select(.link_type == \"ether\").ifname'"
|
|
pane_wait NS
|
|
__ifname="$(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"
|
|
|
|
#pane_run PASST "valgrind --max-stackframe=3000000 ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
|
|
pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
|
|
sleep 1
|
|
|
|
pane_run GUEST './qrap 5 kvm -m '${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"
|
|
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"
|
|
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"
|
|
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"
|
|
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 and passt
|
|
teardown_passt() {
|
|
tmux send-keys -t ${PANE_PASST} "C-c"
|
|
pane_wait PASST
|
|
tmux send-keys -t ${PANE_GUEST} "C-c"
|
|
pane_wait GUEST
|
|
}
|
|
|
|
# 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, passt and pasta
|
|
teardown_passt_in_ns() {
|
|
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 PASST
|
|
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
|
|
}
|
|
|
|
# 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
|
|
}
|