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Message-ID: <20231130040105.1265779-8-liuhangbin@gmail.com>
Date: Thu, 30 Nov 2023 12:00:58 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Shuah Khan <shuah@...nel.org>,
David Ahern <dsahern@...nel.org>,
linux-kselftest@...r.kernel.org,
Po-Hsu Lin <po-hsu.lin@...onical.com>,
Guillaume Nault <gnault@...hat.com>,
Petr Machata <petrm@...dia.com>,
James Prestwood <prestwoj@...il.com>,
Jaehee Park <jhpark1013@...il.com>,
Ido Schimmel <idosch@...dia.com>,
Francesco Ruggeri <fruggeri@...sta.com>,
Justin Iurman <justin.iurman@...ege.be>,
Xin Long <lucien.xin@...il.com>,
Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 net-next 07/14] selftests/net: convert traceroute.sh to run it in unique namespace
Here is the test result after conversion.
]# ./traceroute.sh
TEST: IPV6 traceroute [ OK ]
TEST: IPV4 traceroute [ OK ]
Tests passed: 2
Tests failed: 0
Acked-by: David Ahern <dsahern@...nel.org>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
tools/testing/selftests/net/traceroute.sh | 82 ++++++++++-------------
1 file changed, 36 insertions(+), 46 deletions(-)
diff --git a/tools/testing/selftests/net/traceroute.sh b/tools/testing/selftests/net/traceroute.sh
index de9ca97abc30..282f14760940 100755
--- a/tools/testing/selftests/net/traceroute.sh
+++ b/tools/testing/selftests/net/traceroute.sh
@@ -4,6 +4,7 @@
# Run traceroute/traceroute6 tests
#
+source lib.sh
VERBOSE=0
PAUSE_ON_FAIL=no
@@ -69,9 +70,6 @@ create_ns()
[ -z "${addr}" ] && addr="-"
[ -z "${addr6}" ] && addr6="-"
- ip netns add ${ns}
-
- ip netns exec ${ns} ip link set lo up
if [ "${addr}" != "-" ]; then
ip netns exec ${ns} ip addr add dev lo ${addr}
fi
@@ -160,12 +158,7 @@ connect_ns()
cleanup_traceroute6()
{
- local ns
-
- for ns in host-1 host-2 router-1 router-2
- do
- ip netns del ${ns} 2>/dev/null
- done
+ cleanup_ns $h1 $h2 $r1 $r2
}
setup_traceroute6()
@@ -176,33 +169,34 @@ setup_traceroute6()
cleanup_traceroute6
set -e
- create_ns host-1
- create_ns host-2
- create_ns router-1
- create_ns router-2
+ setup_ns h1 h2 r1 r2
+ create_ns $h1
+ create_ns $h2
+ create_ns $r1
+ create_ns $r2
# Setup N3
- connect_ns router-2 eth3 - 2000:103::2/64 host-2 eth3 - 2000:103::4/64
- ip netns exec host-2 ip route add default via 2000:103::2
+ connect_ns $r2 eth3 - 2000:103::2/64 $h2 eth3 - 2000:103::4/64
+ ip netns exec $h2 ip route add default via 2000:103::2
# Setup N2
- connect_ns router-1 eth2 - 2000:102::1/64 router-2 eth2 - 2000:102::2/64
- ip netns exec router-1 ip route add default via 2000:102::2
+ connect_ns $r1 eth2 - 2000:102::1/64 $r2 eth2 - 2000:102::2/64
+ ip netns exec $r1 ip route add default via 2000:102::2
# Setup N1. host-1 and router-2 connect to a bridge in router-1.
- ip netns exec router-1 ip link add name ${brdev} type bridge
- ip netns exec router-1 ip link set ${brdev} up
- ip netns exec router-1 ip addr add 2000:101::1/64 dev ${brdev}
+ ip netns exec $r1 ip link add name ${brdev} type bridge
+ ip netns exec $r1 ip link set ${brdev} up
+ ip netns exec $r1 ip addr add 2000:101::1/64 dev ${brdev}
- connect_ns host-1 eth0 - 2000:101::3/64 router-1 eth0 - -
- ip netns exec router-1 ip link set dev eth0 master ${brdev}
- ip netns exec host-1 ip route add default via 2000:101::1
+ connect_ns $h1 eth0 - 2000:101::3/64 $r1 eth0 - -
+ ip netns exec $r1 ip link set dev eth0 master ${brdev}
+ ip netns exec $h1 ip route add default via 2000:101::1
- connect_ns router-2 eth1 - 2000:101::2/64 router-1 eth1 - -
- ip netns exec router-1 ip link set dev eth1 master ${brdev}
+ connect_ns $r2 eth1 - 2000:101::2/64 $r1 eth1 - -
+ ip netns exec $r1 ip link set dev eth1 master ${brdev}
# Prime the network
- ip netns exec host-1 ping6 -c5 2000:103::4 >/dev/null 2>&1
+ ip netns exec $h1 ping6 -c5 2000:103::4 >/dev/null 2>&1
set +e
}
@@ -217,7 +211,7 @@ run_traceroute6()
setup_traceroute6
# traceroute6 host-2 from host-1 (expects 2000:102::2)
- run_cmd host-1 "traceroute6 2000:103::4 | grep -q 2000:102::2"
+ run_cmd $h1 "traceroute6 2000:103::4 | grep -q 2000:102::2"
log_test $? 0 "IPV6 traceroute"
cleanup_traceroute6
@@ -240,12 +234,7 @@ run_traceroute6()
cleanup_traceroute()
{
- local ns
-
- for ns in host-1 host-2 router
- do
- ip netns del ${ns} 2>/dev/null
- done
+ cleanup_ns $h1 $h2 $router
}
setup_traceroute()
@@ -254,24 +243,25 @@ setup_traceroute()
cleanup_traceroute
set -e
- create_ns host-1
- create_ns host-2
- create_ns router
+ setup_ns h1 h2 router
+ create_ns $h1
+ create_ns $h2
+ create_ns $router
- connect_ns host-1 eth0 1.0.1.3/24 - \
- router eth1 1.0.3.1/24 -
- ip netns exec host-1 ip route add default via 1.0.1.1
+ connect_ns $h1 eth0 1.0.1.3/24 - \
+ $router eth1 1.0.3.1/24 -
+ ip netns exec $h1 ip route add default via 1.0.1.1
- ip netns exec router ip addr add 1.0.1.1/24 dev eth1
- ip netns exec router sysctl -qw \
+ ip netns exec $router ip addr add 1.0.1.1/24 dev eth1
+ ip netns exec $router sysctl -qw \
net.ipv4.icmp_errors_use_inbound_ifaddr=1
- connect_ns host-2 eth0 1.0.2.4/24 - \
- router eth2 1.0.2.1/24 -
- ip netns exec host-2 ip route add default via 1.0.2.1
+ connect_ns $h2 eth0 1.0.2.4/24 - \
+ $router eth2 1.0.2.1/24 -
+ ip netns exec $h2 ip route add default via 1.0.2.1
# Prime the network
- ip netns exec host-1 ping -c5 1.0.2.4 >/dev/null 2>&1
+ ip netns exec $h1 ping -c5 1.0.2.4 >/dev/null 2>&1
set +e
}
@@ -286,7 +276,7 @@ run_traceroute()
setup_traceroute
# traceroute host-2 from host-1 (expects 1.0.1.1). Takes a while.
- run_cmd host-1 "traceroute 1.0.2.4 | grep -q 1.0.1.1"
+ run_cmd $h1 "traceroute 1.0.2.4 | grep -q 1.0.1.1"
log_test $? 0 "IPV4 traceroute"
cleanup_traceroute
--
2.41.0
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