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selftests/net: convert test_vxlan_under_vrf.sh to run it in unique namespace

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Here is the test result after conversion.

]# ./test_vxlan_under_vrf.sh
Checking HV connectivity                                           [ OK ]
Check VM connectivity through VXLAN (underlay in the default VRF)  [ OK ]
Check VM connectivity through VXLAN (underlay in a VRF)            [ OK ]

Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hangbin Liu 2023-12-06 15:07:57 +08:00 committed by David S. Miller
parent d79e907b42
commit d6aab1f632
1 changed files with 36 additions and 34 deletions
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70
tools/testing/selftests/net/test_vxlan_under_vrf.sh
View File

@ -43,15 +43,14 @@
# This tests both the connectivity between vm-1 and vm-2, and that the underlay
# can be moved in and out of the vrf by unsetting and setting veth0's master.
source lib.sh
set -e
cleanup() {
ip link del veth-hv-1 2>/dev/null || true
ip link del veth-tap 2>/dev/null || true
for ns in hv-1 hv-2 vm-1 vm-2; do
ip netns del $ns 2>/dev/null || true
done
cleanup_ns $hv_1 $hv_2 $vm_1 $vm_2
}
# Clean start
@ -60,72 +59,75 @@ cleanup &> /dev/null
[[ $1 == "clean" ]] && exit 0
trap cleanup EXIT
setup_ns hv_1 hv_2 vm_1 vm_2
hv[1]=$hv_1
hv[2]=$hv_2
vm[1]=$vm_1
vm[2]=$vm_2
# Setup "Hypervisors" simulated with netns
ip link add veth-hv-1 type veth peer name veth-hv-2
setup-hv-networking() {
hv=$1
id=$1
ip netns add hv-$hv
ip link set veth-hv-$hv netns hv-$hv
ip -netns hv-$hv link set veth-hv-$hv name veth0
ip link set veth-hv-$id netns ${hv[$id]}
ip -netns ${hv[$id]} link set veth-hv-$id name veth0
ip -netns hv-$hv link add vrf-underlay type vrf table 1
ip -netns hv-$hv link set vrf-underlay up
ip -netns hv-$hv addr add 172.16.0.$hv/24 dev veth0
ip -netns hv-$hv link set veth0 up
ip -netns ${hv[$id]} link add vrf-underlay type vrf table 1
ip -netns ${hv[$id]} link set vrf-underlay up
ip -netns ${hv[$id]} addr add 172.16.0.$id/24 dev veth0
ip -netns ${hv[$id]} link set veth0 up
ip -netns hv-$hv link add br0 type bridge
ip -netns hv-$hv link set br0 up
ip -netns ${hv[$id]} link add br0 type bridge
ip -netns ${hv[$id]} link set br0 up
ip -netns hv-$hv link add vxlan0 type vxlan id 10 local 172.16.0.$hv dev veth0 dstport 4789
ip -netns hv-$hv link set vxlan0 master br0
ip -netns hv-$hv link set vxlan0 up
ip -netns ${hv[$id]} link add vxlan0 type vxlan id 10 local 172.16.0.$id dev veth0 dstport 4789
ip -netns ${hv[$id]} link set vxlan0 master br0
ip -netns ${hv[$id]} link set vxlan0 up
}
setup-hv-networking 1
setup-hv-networking 2
# Check connectivity between HVs by pinging hv-2 from hv-1
echo -n "Checking HV connectivity "
ip netns exec hv-1 ping -c 1 -W 1 172.16.0.2 &> /dev/null || (echo "[FAIL]"; false)
ip netns exec $hv_1 ping -c 1 -W 1 172.16.0.2 &> /dev/null || (echo "[FAIL]"; false)
echo "[ OK ]"
# Setups a "VM" simulated by a netns an a veth pair
setup-vm() {
id=$1
ip netns add vm-$id
ip link add veth-tap type veth peer name veth-hv
ip link set veth-tap netns hv-$id
ip -netns hv-$id link set veth-tap master br0
ip -netns hv-$id link set veth-tap up
ip link set veth-tap netns ${hv[$id]}
ip -netns ${hv[$id]} link set veth-tap master br0
ip -netns ${hv[$id]} link set veth-tap up
ip link set veth-hv address 02:1d:8d:dd:0c:6$id
ip link set veth-hv netns vm-$id
ip -netns vm-$id addr add 10.0.0.$id/24 dev veth-hv
ip -netns vm-$id link set veth-hv up
ip link set veth-hv netns ${vm[$id]}
ip -netns ${vm[$id]} addr add 10.0.0.$id/24 dev veth-hv
ip -netns ${vm[$id]} link set veth-hv up
}
setup-vm 1
setup-vm 2
# Setup VTEP routes to make ARP work
bridge -netns hv-1 fdb add 00:00:00:00:00:00 dev vxlan0 dst 172.16.0.2 self permanent
bridge -netns hv-2 fdb add 00:00:00:00:00:00 dev vxlan0 dst 172.16.0.1 self permanent
bridge -netns $hv_1 fdb add 00:00:00:00:00:00 dev vxlan0 dst 172.16.0.2 self permanent
bridge -netns $hv_2 fdb add 00:00:00:00:00:00 dev vxlan0 dst 172.16.0.1 self permanent
echo -n "Check VM connectivity through VXLAN (underlay in the default VRF) "
ip netns exec vm-1 ping -c 1 -W 1 10.0.0.2 &> /dev/null || (echo "[FAIL]"; false)
ip netns exec $vm_1 ping -c 1 -W 1 10.0.0.2 &> /dev/null || (echo "[FAIL]"; false)
echo "[ OK ]"
# Move the underlay to a non-default VRF
ip -netns hv-1 link set veth0 vrf vrf-underlay
ip -netns hv-1 link set vxlan0 down
ip -netns hv-1 link set vxlan0 up
ip -netns hv-2 link set veth0 vrf vrf-underlay
ip -netns hv-2 link set vxlan0 down
ip -netns hv-2 link set vxlan0 up
ip -netns $hv_1 link set veth0 vrf vrf-underlay
ip -netns $hv_1 link set vxlan0 down
ip -netns $hv_1 link set vxlan0 up
ip -netns $hv_2 link set veth0 vrf vrf-underlay
ip -netns $hv_2 link set vxlan0 down
ip -netns $hv_2 link set vxlan0 up
echo -n "Check VM connectivity through VXLAN (underlay in a VRF) "
ip netns exec vm-1 ping -c 1 -W 1 10.0.0.2 &> /dev/null || (echo "[FAIL]"; false)
ip netns exec $vm_1 ping -c 1 -W 1 10.0.0.2 &> /dev/null || (echo "[FAIL]"; false)
echo "[ OK ]"