mirror of
https://passt.top/passt
synced 2025-06-27 08:15:33 +02:00
test: Add CI/demo scripts
Not really quick, definitely dirty. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio
parent
ca325e7583
commit
061519b562
31 changed files with 4816 additions and 0 deletions
248
test/demo/passt
Normal file
248
test/demo/passt
Normal file
|
|
@ -0,0 +1,248 @@
|
|||
# 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/demo/passt - Quick introduction to passt
|
||||
#
|
||||
# Copyright (c) 2021 Red Hat GmbH
|
||||
# Author: Stefano Brivio <sbrivio@redhat.com>
|
||||
|
||||
onlyfor passt
|
||||
say This is a short introduction to
|
||||
em passt
|
||||
say .
|
||||
nl
|
||||
nl
|
||||
sleep 3
|
||||
|
||||
say Let's fetch the source
|
||||
sleep 1
|
||||
tempdir TEMPDIR
|
||||
host cd __TEMPDIR__
|
||||
host git clone https://passt.top/passt
|
||||
sleep 1
|
||||
|
||||
say and build it.
|
||||
sleep 1
|
||||
host cd passt
|
||||
host make avx2
|
||||
sleep 1
|
||||
|
||||
nl
|
||||
nl
|
||||
say A quick look at the man page...
|
||||
sleep 1
|
||||
hostb man ./passt.1
|
||||
sleep 5
|
||||
hostb /ports
|
||||
sleep 2
|
||||
hostb n
|
||||
sleep 2
|
||||
hostb n
|
||||
sleep 10
|
||||
|
||||
nl
|
||||
say '-t' to forward TCP ports.
|
||||
sleep 3
|
||||
host q
|
||||
|
||||
nl
|
||||
nl
|
||||
say Let's create a small initramfs image for the guest.
|
||||
guest cd __TEMPDIR__
|
||||
guest git clone https://mbuto.lameexcu.se/mbuto
|
||||
guest cd mbuto
|
||||
guest ./mbuto -f passt.img -p passt -c lz4
|
||||
sleep 2
|
||||
|
||||
nl
|
||||
nl
|
||||
say We want to isolate passt and guest in a
|
||||
nl
|
||||
say network namespace. For convenience, we'll
|
||||
nl
|
||||
say create it with 'pasta', see also the
|
||||
nl
|
||||
say 'pasta' demo above.
|
||||
sleep 3
|
||||
|
||||
passt cd __TEMPDIR__/passt
|
||||
passt ./pasta
|
||||
sleep 3
|
||||
passt /sbin/dhclient
|
||||
sleep 2
|
||||
passt /sbin/dhclient -6
|
||||
sleep 2
|
||||
|
||||
nl
|
||||
nl
|
||||
say Now let's run 'passt' in the new namespace, and
|
||||
nl
|
||||
say enter this namespace from the guest terminal too.
|
||||
sleep 3
|
||||
pout TARGET_PID echo $$
|
||||
sleep 1
|
||||
|
||||
passtb ./passt -f -t 5201,5203
|
||||
sleep 2
|
||||
|
||||
guest nsenter -t __TARGET_PID__ -U -n --preserve-credentials
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say We're ready to start qemu with the qrap wrapper,
|
||||
nl
|
||||
say that we currently need to connect the netdev
|
||||
nl
|
||||
say back-end to passt's UNIX domain socket.
|
||||
sleep 2
|
||||
hout VMLINUZ echo "/boot/vmlinuz-$(uname -r)"
|
||||
guest ../passt/qrap 5 kvm -m 4096 -cpu host -smp 4 -kernel __VMLINUZ__ -initrd passt.img -nographic -serial stdio -nodefaults -append "console=ttyS0 virtio-net.napi_tx=1" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384 -netdev socket,fd=5,id=hostnet0
|
||||
sleep 10
|
||||
|
||||
nl
|
||||
nl
|
||||
guest ip li sh
|
||||
sleep 3
|
||||
say Guest is up. Let's configure IPv4 first...
|
||||
sleep 2
|
||||
guest dhclient
|
||||
sleep 2
|
||||
guest ip ad sh
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
say SLAAC is already done, but we can also
|
||||
nl
|
||||
say get another address via DHCPv6.
|
||||
sleep 3
|
||||
guest dhclient -6
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
say Let's try to communicate between host and guest.
|
||||
sleep 2
|
||||
guestb nc -6 -l -p 5201
|
||||
sleep 2
|
||||
host echo "Hello from the host" | nc -N ::1 5201
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say Now the other way around... using
|
||||
nl
|
||||
say the address of the default gateway.
|
||||
sleep 2
|
||||
gout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
|
||||
sleep 5
|
||||
hostb nc -l -p 31337
|
||||
sleep 2
|
||||
guest echo "Hello from the guest" | nc -N __GW__ 31337
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
say Let's have a (quick!) look at performance
|
||||
nl
|
||||
say more in the "Performance" section below.
|
||||
sleep 3
|
||||
|
||||
host nsenter -t __TARGET_PID__ -U -n --preserve-credentials
|
||||
|
||||
guest /sbin/sysctl -w net.core.rmem_max=536870912
|
||||
guest /sbin/sysctl -w net.core.wmem_max=536870912
|
||||
guest /sbin/sysctl -w net.core.rmem_default=33554432
|
||||
guest /sbin/sysctl -w net.core.wmem_default=33554432
|
||||
guest /sbin/sysctl -w net.ipv4.tcp_rmem="4096 131072 268435456"
|
||||
guest /sbin/sysctl -w net.ipv4.tcp_wmem="4096 131072 268435456"
|
||||
guest /sbin/sysctl -w net.ipv4.tcp_timestamps=0
|
||||
|
||||
host sysctl -w net.ipv4.tcp_rmem="4096 524288 134217728"
|
||||
host sysctl -w net.ipv4.tcp_wmem="4096 524288 134217728"
|
||||
host sysctl -w net.ipv4.tcp_timestamps=0
|
||||
|
||||
gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
|
||||
gout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
|
||||
nl
|
||||
nl
|
||||
info Throughput in Gbps, latency in µs
|
||||
th flow host>guest guest>host
|
||||
|
||||
set OPTS -P4 -w 64M -l 1M -i1 --pacing-timer 100000
|
||||
|
||||
tr TCP/IPv6 throughput
|
||||
hostb sleep 10; iperf3 -c ::1 __OPTS__
|
||||
gout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 2.0 3.0
|
||||
sleep 5
|
||||
guestb sleep 10; iperf3 -c __GW6__%__IFNAME__ -p 5202 __OPTS__ -O3
|
||||
hout BW iperf3 -s1J -p 5202 | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 2.0 3.0
|
||||
|
||||
tl TCP/IPv6 RR latency
|
||||
guestb tcp_rr -C 5201 -P 5203 -6 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_rr -C 5201 -P 5203 --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
hostb tcp_rr -6 --nolog
|
||||
sleep 2
|
||||
gout LAT tcp_rr --nolog -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
|
||||
tl TCP/IPv6 CRR latency
|
||||
guestb tcp_crr -C 5201 -P 5203 -6 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_crr -C 5201 -P 5203 --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
hostb tcp_crr -6 --nolog
|
||||
sleep 2
|
||||
gout LAT tcp_crr --nolog -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
|
||||
tr TCP/IPv4 throughput
|
||||
hostb sleep 10; iperf3 -c 127.0.0.1 __OPTS__
|
||||
gout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 2.0 3.0
|
||||
sleep 5
|
||||
guestb sleep 10; iperf3 -c __GW__ -p 5202 __OPTS__ -O3
|
||||
hout BW iperf3 -s1J -p 5202 | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 2.0 3.0
|
||||
|
||||
tl TCP/IPv4 RR latency
|
||||
guestb tcp_rr -C 5201 -P 5203 -4 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_rr -C 5201 -P 5203 --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
hostb tcp_rr -4 --nolog
|
||||
sleep 2
|
||||
gout LAT tcp_rr --nolog -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
|
||||
tl TCP/IPv4 CRR latency
|
||||
guestb tcp_crr -C 5201 -P 5203 -4 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_crr -C 5201 -P 5203 --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
hostb tcp_crr -4 --nolog
|
||||
sleep 2
|
||||
gout LAT tcp_crr --nolog -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 800
|
||||
sleep 2
|
||||
|
||||
nl
|
||||
nl
|
||||
say Thanks for watching!
|
||||
sleep 5
|
||||
274
test/demo/pasta
Normal file
274
test/demo/pasta
Normal file
|
|
@ -0,0 +1,274 @@
|
|||
# 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/demo/pasta - Quick introduction to pasta
|
||||
#
|
||||
# Copyright (c) 2021 Red Hat GmbH
|
||||
# Author: Stefano Brivio <sbrivio@redhat.com>
|
||||
|
||||
onlyfor pasta
|
||||
say This is a short introduction to
|
||||
em pasta
|
||||
say .
|
||||
nl
|
||||
nl
|
||||
sleep 3
|
||||
|
||||
say Let's fetch the source
|
||||
sleep 1
|
||||
tempdir TEMPDIR
|
||||
host cd __TEMPDIR__
|
||||
host git clone https://passt.top/passt
|
||||
sleep 1
|
||||
|
||||
say and build it.
|
||||
sleep 1
|
||||
host cd passt
|
||||
host make
|
||||
sleep 1
|
||||
|
||||
nl
|
||||
nl
|
||||
say A quick look at the man page...
|
||||
sleep 1
|
||||
hostb man ./pasta.1
|
||||
sleep 5
|
||||
hostb /pasta
|
||||
sleep 2
|
||||
hostb n
|
||||
sleep 2
|
||||
hostb n
|
||||
sleep 10
|
||||
|
||||
nl
|
||||
say without TARGET_PID, it will create a namespace.
|
||||
sleep 3
|
||||
passt cd __TEMPDIR__/passt
|
||||
passt ./pasta
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
say For convenience, let's enter this namespace
|
||||
nl
|
||||
say from another terminal.
|
||||
sleep 3
|
||||
pout TARGET_PID echo $$
|
||||
sleep 1
|
||||
|
||||
ns nsenter -t __TARGET_PID__ -U -n --preserve-credentials
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say Now, we're ready to configure networking.
|
||||
sleep 2
|
||||
host q
|
||||
|
||||
nl
|
||||
nl
|
||||
ns ip li sh
|
||||
sleep 3
|
||||
say Let's configure IPv4 first...
|
||||
sleep 2
|
||||
ns dhclient
|
||||
sleep 2
|
||||
ns ip ad sh
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
say SLAAC is already done, but we can also
|
||||
nl
|
||||
say get another address via DHCPv6.
|
||||
sleep 3
|
||||
ns dhclient -6
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
say Let's try to communicate between host and namespace
|
||||
sleep 2
|
||||
nl
|
||||
say ...there's no need to configure port forwarding,
|
||||
nl
|
||||
say pasta detects bound ports and forwards them.
|
||||
sleep 3
|
||||
|
||||
nsb nc -6 -l -p 31337
|
||||
sleep 2
|
||||
host echo "Hello from the host" | nc -N ::1 31337
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say Now the other way around...
|
||||
nl
|
||||
say we can use a loopback address
|
||||
sleep
|
||||
hostb nc -l -p 31337
|
||||
sleep 2
|
||||
ns echo "Hello from the namespace" | nc -N 127.0.0.1 31337
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
say or the address of the default gateway.
|
||||
sleep 2
|
||||
nsout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
|
||||
sleep 5
|
||||
hostb nc -l -p 31337
|
||||
sleep 2
|
||||
ns echo "Hello from the namespace" | nc -N __GW__ 31337
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
say UDP...
|
||||
sleep 2
|
||||
ns host -t A passt.top
|
||||
sleep 3
|
||||
say seems to work too.
|
||||
sleep 3
|
||||
|
||||
nl
|
||||
nl
|
||||
em pasta
|
||||
say can also take packet captures.
|
||||
sleep 3
|
||||
passt exit
|
||||
sleep 2
|
||||
temp TEMP
|
||||
passtb ./pasta -p __TEMP__.pcap
|
||||
sleep 2
|
||||
passt
|
||||
passt /sbin/dhclient
|
||||
sleep 2
|
||||
hostb tshark -r __TEMP__.pcap
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say And there are tons of totally useless
|
||||
sleep 1
|
||||
bsp 14
|
||||
say absolutely useful features
|
||||
nl
|
||||
say you can find described in the man page.
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say Let's have a (quick!) look at performance
|
||||
nl
|
||||
say more in the "Performance" section below.
|
||||
sleep 3
|
||||
passt exit
|
||||
passt CFLAGS="-g" make avx2
|
||||
sleep 2
|
||||
passt perf record -g ./pasta
|
||||
sleep 2
|
||||
|
||||
pout TARGET_PID echo $$
|
||||
sleep 1
|
||||
ns nsenter -t __TARGET_PID__ -U -n --preserve-credentials
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
info Throughput in Gbps, latency in µs
|
||||
th flow init>ns ns>init
|
||||
|
||||
set OPTS -P4 -l 1M -w 32M -i1 --pacing-timer 100000
|
||||
|
||||
tr TCP/IPv6 throughput
|
||||
nsb sleep 10; iperf3 -c ::1 __OPTS__
|
||||
hout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 10.0 20.0
|
||||
sleep 5
|
||||
hostb sleep 10; iperf3 -c ::1 __OPTS__
|
||||
nsout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 10.0 20.0
|
||||
|
||||
tl TCP/IPv6 RR latency
|
||||
hostb tcp_rr -6 --nolog
|
||||
sleep 2
|
||||
nsout LAT tcp_rr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
nsb tcp_rr -6 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_rr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
|
||||
tl TCP/IPv6 CRR latency
|
||||
hostb tcp_crr -6 --nolog
|
||||
sleep 2
|
||||
nsout LAT tcp_crr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
nsb tcp_crr -6 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_crr --nolog -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
|
||||
tr TCP/IPv4 throughput
|
||||
nsb sleep 10; iperf3 -c 127.0.0.1 __OPTS__
|
||||
hout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 10.0 20.0
|
||||
sleep 5
|
||||
hostb sleep 10; iperf3 -c 127.0.0.1 __OPTS__
|
||||
nsout BW iperf3 -s1J | jq -rM ".end.sum_received.bits_per_second"
|
||||
bw __BW__ 10.0 20.0
|
||||
|
||||
tl TCP/IPv4 RR latency
|
||||
hostb tcp_rr -4 --nolog
|
||||
sleep 2
|
||||
nsout LAT tcp_rr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
nsb tcp_rr -4 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_rr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
|
||||
tl TCP/IPv4 CRR latency
|
||||
hostb tcp_crr -4 --nolog
|
||||
sleep 2
|
||||
nsout LAT tcp_crr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
nsb tcp_crr -4 --nolog
|
||||
sleep 2
|
||||
hout LAT tcp_crr --nolog -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
|
||||
lat __LAT__ 1000 500
|
||||
sleep 2
|
||||
|
||||
sleep 5
|
||||
passt exit
|
||||
sleep 2
|
||||
killp PASST
|
||||
killp HOST
|
||||
sleep 2
|
||||
nsb perf report -g --max-stack 3
|
||||
sleep 10
|
||||
|
||||
nl
|
||||
nl
|
||||
say I
|
||||
em knew
|
||||
say it.
|
||||
em syscalls
|
||||
say .
|
||||
sleep 5
|
||||
|
||||
nl
|
||||
nl
|
||||
say Thanks for watching!
|
||||
sleep 5
|
||||
Loading…
Add table
Add a link
Reference in a new issue