Add test case to vlan break-trough (#7686)

Different applications connecting to the same NS and using the the same VLAN. These NSCs now can run on the same node. Signed-off-by: Laszlo Kiraly <laszlo.kiraly@est.tech> Signed-off-by: Laszlo Kiraly <laszlo.kiraly@est.tech>
networkservicemesh · Nov 29, 2022 · 6db2c74 · 6db2c74
1 parent df5fe1e
commit 6db2c74
Showing 1 changed file with 33 additions and 11 deletions.
diff --git a/examples/use-cases/Kernel2RVlanMultiNS/README.md b/examples/use-cases/Kernel2RVlanMultiNS/README.md
@@ -213,7 +213,7 @@ spec:
           - name: NSM_CONNECT_TO
             value: "registry.nsm-system:5002"
           - name: NSM_SERVICES
-            value: "blue-bridge.ns-kernel2vlan-multins-2 { vlan: 300; via: gw1 }, green-bridge.ns-kernel2vlan-multins-2 { vlan: 400; via: gw1 }"
+            value: "blue-bridge.ns-kernel2vlan-multins-2 { vlan: 300; via: gw1 }, green-bridge.ns-kernel2vlan-multins-2 { vlan: 300; via: gw1 }"
           - name: NSM_CIDR_PREFIX
             value: 172.10.2.0/24
 EOF
@@ -294,7 +294,7 @@ EOF
 Deploy the last client
 
 ```bash
- kubectl apply -n nsm-system -f client.yaml
+kubectl apply -n nsm-system -f client.yaml
 ```
 
 Wait for applications ready:
@@ -329,7 +329,7 @@ Create a docker image for test external connections:
 cat > Dockerfile <<EOF
 FROM alpine:3.15.0
 
-RUN apk add ethtool
+RUN apk add ethtool tcpdump iproute2
 
 ENTRYPOINT [ "tail", "-f", "/dev/null" ]
 EOF
@@ -343,12 +343,10 @@ docker run --cap-add=NET_ADMIN --rm -d --network bridge-2 --name rvm-tester rvm-
 docker exec rvm-tester ip link set eth0 down
 docker exec rvm-tester ip link add link eth0 name eth0.100 type vlan id 100
 docker exec rvm-tester ip link add link eth0 name eth0.300 type vlan id 300
-docker exec rvm-tester ip link add link eth0 name eth0.400 type vlan id 400
 docker exec rvm-tester ip link set eth0 up
 docker exec rvm-tester ip addr add 172.10.0.254/24 dev eth0.100
 docker exec rvm-tester ip addr add 172.10.1.254/24 dev eth0
 docker exec rvm-tester ip addr add 172.10.2.254/24 dev eth0.300
-docker exec rvm-tester ip addr add 172.10.2.253/24 dev eth0.400
 docker exec rvm-tester ethtool -K eth0 tx off
 ```
 
@@ -374,7 +372,7 @@ Check first vlan from tester container:
 status=0
 for nsc in "${NSCS[@]}"
 do
-  for vlan_if_name in eth0.100 eth0.300 eth0.400
+  for vlan_if_name in eth0.100 eth0.300
   do
     docker exec rvm-tester ping -w 1 -c 1 ${IP_ADDR[$nsc]} -I ${vlan_if_name}
     if test $? -eq 0
@@ -416,13 +414,13 @@ do
 done
 ```
 
-Check vlan (300 and 400) from tester container:
+Check vlan (300) from tester container:
 
 ```bash
 status=0
 for nsc in "${NSCS_BLUE[@]}"
 do
-  for vlan_if_name in eth0.100 eth0 eth0.400
+  for vlan_if_name in eth0.100 eth0
   do
     docker exec rvm-tester ping -w 1 -c 1 ${IP_ADDR_BLUE[$nsc]} -I ${vlan_if_name}
     if test $? -eq 0
@@ -438,15 +436,39 @@ do
 done
 for nsc in "${NSCS_GREEN[@]}"
 do
-  for vlan_if_name in eth0.100 eth0 eth0.300
+  for vlan_if_name in eth0.100 eth0
   do
     docker exec rvm-tester ping -w 1 -c 1 ${IP_ADDR_GREEN[$nsc]} -I ${vlan_if_name}
     if test $? -eq 0
       then
         status=2
     fi
   done
-  docker exec rvm-tester ping -c 1 ${IP_ADDR_GREEN[$nsc]} -I eth0.400
+  docker exec rvm-tester ping -c 1 ${IP_ADDR_GREEN[$nsc]} -I eth0.300
+  if test $? -ne 0
+    then
+      status=1
+  fi
+done
+if test ${status} -eq 1
+  then
+    false
+fi
+```
+
+Delete the NSCs connected to blue-bridge network service:
+
+```bash
+kubectl delete deployment alpine-2-bg -n ns-kernel2vlan-multins-2
+```
+
+Check vlan (300) from tester container:
+
+```bash
+status=0
+for nsc in "${NSCS_GREEN[@]}"
+do
+  docker exec rvm-tester ping -c 1 ${IP_ADDR_GREEN[$nsc]} -I eth0.300
   if test $? -ne 0
     then
       status=1
@@ -480,7 +502,7 @@ Check first vlan from tester container:
 status=0
 for nsc in "${NSCS[@]}"
 do
-  for vlan_if_name in eth0 eth0.300 eth0.400
+  for vlan_if_name in eth0 eth0.300
   do
     docker exec rvm-tester ping -w 1 -c 1 ${IP_ADDR[$nsc]} -I ${vlan_if_name}
     if test $? -eq 0