Commit 87ce7d79 authored by Florian Westphal's avatar Florian Westphal Committed by Jakub Kicinski
Browse files

selftests: netfilter: ipvs.sh: move to lib.sh infra 



The setup_ns helper makes the netns names random, so replace nsX with $nsX
everywhere.

Replace nc with socat, otherwise script fails on my system due to
incompatible nc versions ("nc: cannot use -p and -l").

Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240411233624.8129-11-fw@strlen.de


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 10e2ed3f

tools/testing/selftests/net/netfilter/ipvs.sh

+68 −85
Original line number Diff line number Diff line 
#!/bin/sh

#!/bin/bash

# SPDX-License-Identifier: GPL-2.0

#

# End-to-end ipvs test suite
@@ -24,8 +24,8 @@ 
# We assume that all network driver are loaded

#



# Kselftest framework requirement - SKIP code is 4.

ksft_skip=4

source lib.sh



ret=0

GREEN='\033[0;92m'

RED='\033[0;31m'
@@ -46,53 +46,39 @@ readonly datalen=32 


sysipvsnet="/proc/sys/net/ipv4/vs/"

if [ ! -d $sysipvsnet ]; then

	modprobe -q ip_vs

	if [ $? -ne 0 ]; then

	if ! modprobe -q ip_vs; then

		echo "skip: could not run test without ipvs module"

		exit $ksft_skip

	fi

fi



ip -Version > /dev/null 2>&1

if [ $? -ne 0 ]; then

	echo "SKIP: Could not run test without ip tool"

	exit $ksft_skip

fi



ipvsadm -v > /dev/null 2>&1

if [ $? -ne 0 ]; then

	echo "SKIP: Could not run test without ipvsadm"

	exit $ksft_skip

fi

checktool "ipvsadm -v" "run test without ipvsadm"

checktool "socat -h" "run test without socat"



setup() {

	ip netns add ns0

	ip netns add ns1

	ip netns add ns2



	ip link add veth01 netns ns0 type veth peer name veth10 netns ns1

	ip link add veth02 netns ns0 type veth peer name veth20 netns ns2

	ip link add veth12 netns ns1 type veth peer name veth21 netns ns2



	ip netns exec ns0 ip link set veth01 up

	ip netns exec ns0 ip link set veth02 up

	ip netns exec ns0 ip link add br0 type bridge

	ip netns exec ns0 ip link set veth01 master br0

	ip netns exec ns0 ip link set veth02 master br0

	ip netns exec ns0 ip link set br0 up

	ip netns exec ns0 ip addr add ${cip_v4}/24 dev br0



	ip netns exec ns1 ip link set lo up

	ip netns exec ns1 ip link set veth10 up

	ip netns exec ns1 ip addr add ${gip_v4}/24 dev veth10

	ip netns exec ns1 ip link set veth12 up

	ip netns exec ns1 ip addr add ${dip_v4}/24 dev veth12



	ip netns exec ns2 ip link set lo up

	ip netns exec ns2 ip link set veth21 up

	ip netns exec ns2 ip addr add ${rip_v4}/24 dev veth21

	ip netns exec ns2 ip link set veth20 up

	ip netns exec ns2 ip addr add ${sip_v4}/24 dev veth20

	setup_ns ns0 ns1 ns2



	ip link add veth01 netns "${ns0}" type veth peer name veth10 netns "${ns1}"

	ip link add veth02 netns "${ns0}" type veth peer name veth20 netns "${ns2}"

	ip link add veth12 netns "${ns1}" type veth peer name veth21 netns "${ns2}"



	ip netns exec "${ns0}" ip link set veth01 up

	ip netns exec "${ns0}" ip link set veth02 up

	ip netns exec "${ns0}" ip link add br0 type bridge

	ip netns exec "${ns0}" ip link set veth01 master br0

	ip netns exec "${ns0}" ip link set veth02 master br0

	ip netns exec "${ns0}" ip link set br0 up

	ip netns exec "${ns0}" ip addr add "${cip_v4}/24" dev br0



	ip netns exec "${ns1}" ip link set veth10 up

	ip netns exec "${ns1}" ip addr add "${gip_v4}/24" dev veth10

	ip netns exec "${ns1}" ip link set veth12 up

	ip netns exec "${ns1}" ip addr add "${dip_v4}/24" dev veth12



	ip netns exec "${ns2}" ip link set veth21 up

	ip netns exec "${ns2}" ip addr add "${rip_v4}/24" dev veth21

	ip netns exec "${ns2}" ip link set veth20 up

	ip netns exec "${ns2}" ip addr add "${sip_v4}/24" dev veth20



	sleep 1
@@ -100,10 +86,7 @@ setup() { 
}



cleanup() {

	for i in 0 1 2

	do

		ip netns del ns$i > /dev/null 2>&1

	done

	cleanup_all_ns



	if [ -f "${outfile}" ]; then

		rm "${outfile}"
@@ -114,13 +97,13 @@ cleanup() { 
}



server_listen() {

	ip netns exec ns2 nc -l -p 8080 > "${outfile}" &

	ip netns exec "$ns2" socat -u -4 TCP-LISTEN:8080,reuseaddr STDOUT > "${outfile}" &

	server_pid=$!

	sleep 0.2

}



client_connect() {

	ip netns exec ns0 timeout 2 nc -w 1 ${vip_v4} ${port} < "${infile}"

	ip netns exec "${ns0}" timeout 2 socat -u -4 STDIN TCP:"${vip_v4}":"${port}" < "${infile}"

}



verify_data() {
@@ -136,58 +119,58 @@ test_service() { 




test_dr() {

	ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0

	ip netns exec "${ns0}" ip route add "${vip_v4}" via "${gip_v4}" dev br0



	ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1

	ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr

	ip netns exec ns1 ipvsadm -a -t ${vip_v4}:${port} -r ${rip_v4}:${port}

	ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1

	ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=1

	ip netns exec "${ns1}" ipvsadm -A -t "${vip_v4}:${port}" -s rr

	ip netns exec "${ns1}" ipvsadm -a -t "${vip_v4}:${port}" -r "${rip_v4}:${port}"

	ip netns exec "${ns1}" ip addr add "${vip_v4}/32" dev lo:1



	# avoid incorrect arp response

	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1

	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_ignore=1

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_announce=2

	# avoid reverse route lookup

	ip netns exec ns2 sysctl -qw  net.ipv4.conf.all.rp_filter=0

	ip netns exec ns2 sysctl -qw  net.ipv4.conf.veth21.rp_filter=0

	ip netns exec ns2 ip addr add ${vip_v4}/32 dev lo:1

	ip netns exec "${ns2}" sysctl -qw  net.ipv4.conf.all.rp_filter=0

	ip netns exec "${ns2}" sysctl -qw  net.ipv4.conf.veth21.rp_filter=0

	ip netns exec "${ns2}" ip addr add "${vip_v4}/32" dev lo:1



	test_service

}



test_nat() {

	ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0

	ip netns exec "${ns0}" ip route add "${vip_v4}" via "${gip_v4}" dev br0



	ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1

	ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr

	ip netns exec ns1 ipvsadm -a -m -t ${vip_v4}:${port} -r ${rip_v4}:${port}

	ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1

	ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=1

	ip netns exec "${ns1}" ipvsadm -A -t "${vip_v4}:${port}" -s rr

	ip netns exec "${ns1}" ipvsadm -a -m -t "${vip_v4}:${port}" -r "${rip_v4}:${port}"

	ip netns exec "${ns1}" ip addr add "${vip_v4}/32" dev lo:1



	ip netns exec ns2 ip link del veth20

	ip netns exec ns2 ip route add default via ${dip_v4} dev veth21

	ip netns exec "${ns2}" ip link del veth20

	ip netns exec "${ns2}" ip route add default via "${dip_v4}" dev veth21



	test_service

}



test_tun() {

	ip netns exec ns0 ip route add ${vip_v4} via ${gip_v4} dev br0



	ip netns exec ns1 modprobe ipip

	ip netns exec ns1 ip link set tunl0 up

	ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=0

	ip netns exec ns1 sysctl -qw net.ipv4.conf.all.send_redirects=0

	ip netns exec ns1 sysctl -qw net.ipv4.conf.default.send_redirects=0

	ip netns exec ns1 ipvsadm -A -t ${vip_v4}:${port} -s rr

	ip netns exec ns1 ipvsadm -a -i -t ${vip_v4}:${port} -r ${rip_v4}:${port}

	ip netns exec ns1 ip addr add ${vip_v4}/32 dev lo:1



	ip netns exec ns2 modprobe ipip

	ip netns exec ns2 ip link set tunl0 up

	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_ignore=1

	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.arp_announce=2

	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0

	ip netns exec ns2 sysctl -qw net.ipv4.conf.tunl0.rp_filter=0

	ip netns exec ns2 sysctl -qw net.ipv4.conf.veth21.rp_filter=0

	ip netns exec ns2 ip addr add ${vip_v4}/32 dev lo:1

	ip netns exec "${ns0}" ip route add "${vip_v4}" via "${gip_v4}" dev br0



	ip netns exec "${ns1}" modprobe -q ipip

	ip netns exec "${ns1}" ip link set tunl0 up

	ip netns exec "${ns1}" sysctl -qw net.ipv4.ip_forward=0

	ip netns exec "${ns1}" sysctl -qw net.ipv4.conf.all.send_redirects=0

	ip netns exec "${ns1}" sysctl -qw net.ipv4.conf.default.send_redirects=0

	ip netns exec "${ns1}" ipvsadm -A -t "${vip_v4}:${port}" -s rr

	ip netns exec "${ns1}" ipvsadm -a -i -t "${vip_v4}:${port}" -r ${rip_v4}:${port}

	ip netns exec "${ns1}" ip addr add ${vip_v4}/32 dev lo:1



	ip netns exec "${ns2}" modprobe -q ipip

	ip netns exec "${ns2}" ip link set tunl0 up

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_ignore=1

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.arp_announce=2

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.rp_filter=0

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.tunl0.rp_filter=0

	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.veth21.rp_filter=0

	ip netns exec "${ns2}" ip addr add "${vip_v4}/32" dev lo:1



	test_service

}