tests: Add test for OVN uplink attached to VLAN

Signed-off-by: Mark Bolton <[email protected]>

tests/network-ovn

@@ -2127,6 +2127,57 @@ ovn_leases_tests() {
         lxc network delete lxdbr0
 }
 
+ovn_vlan_uplink_tests() {
+    echo "==> vlan uplink"
+
+    sudo ovs-vsctl set open_vswitch . \
+        external_ids:ovn-remote=unix:/var/run/ovn/ovnsb_db.sock \
+        external_ids:ovn-encap-type=geneve \
+        external_ids:ovn-encap-ip=127.0.0.1
+
+    lxc network create lxdbr0 \
+        ipv4.address=10.10.10.1/24 ipv4.nat=true \
+        ipv4.dhcp.ranges=10.10.10.2-10.10.10.199 \
+        ipv6.address=fd42:4242:4242:1010::1/64 ipv6.nat=true \
+        ipv6.ovn.ranges=fd42:4242:4242:1010::200-fd42:4242:4242:1010::254
+
+    echo "==> Create physical UPLINK network with VLAN config set to 10"
+    lxc network create UPLINK --type=physical parent=lxdbr0 \
+        ipv4.ovn.ranges=10.10.10.200-10.10.10.254 \
+        ipv4.gateway=10.10.10.1/24 \
+        vlan=10
+
+    echo "==> Create OVN network"
+    lxc network create ovn-virtual-network --type=ovn network=UPLINK
+    sleep 2
+
+    echo "==> Set up containers"
+    lxc launch "${IMAGE}" c1-ovn -n ovn-virtual-network -s default
+    lxc launch "${IMAGE}" c1-lxdbr0 -n lxdbr0 -s default
+    sleep 2
+
+    # Configure lxdbr0 to handle tagged traffic for VLAN 10 and retain the VLAN tag
+    bridge vlan add dev lxdbr0 vid 10 tagged self
+
+    lxc config device set c1-lxdbr0 eth0 vlan=10
+    lxc exec c1-lxdbr0 -- ip addr add 10.10.10.100/24 dev eth0
+    lxc exec c1-lxdbr0 -- ip link set dev eth0 up
+    lxc exec c1-lxdbr0 -- ip route add default via 10.10.10.1
+
+    echo "==> Ensure OVN network can reach containers on the configured VLAN"
+    lxc exec c1-ovn -- ping -nc1 -4 -w5 10.10.10.100
+
+    echo "==> Ensure containers on VLAN can reach OVN network"
+    ovn_address=$(lxc network get ovn-virtual-network volatile.network.ipv4.address)
+    lxc exec c1-lxdbr0 -- ping -nc1 -4 -w5 "${ovn_address}"
+
+    echo "==> Cleanup"
+    lxc delete -f c1-lxdbr0 c1-ovn
+    lxc network delete ovn-virtual-network
+    lxc network delete UPLINK
+    lxc network delete lxdbr0
+}
+
 # Allow for running a specific set of tests.
 if [ "$#" -gt 0 ]; then
     TEST_CURRENT="ovn_${1}_tests"
@@ -2154,6 +2205,7 @@ else
       echo "Skipping ovn_l3only_tests, not supported"
     fi
     ovn_leases_tests
+    ovn_vlan_uplink_tests
 fi
 
 lxc storage delete default