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nse-composition

README.md

Test NSE composition

This example demonstrates a more complex Network Service, where we chain three passthrough and one ACL Filtering NS endpoints. It demonstrates how NSM allows for service composition (chaining). It involves a combination of kernel and memif mechanisms, as well as VPP enabled endpoints.

Requires

Make sure that you have completed steps from basic or memory setup.

Run

Deploy NSC and NSE:

kubectl apply -k https://github.com/networkservicemesh/deployments-k8s/examples/features/nse-composition?ref=7a2735f6f8c8ed02d058c1a6a2f04846a3d88cad

Wait for applications ready:

kubectl wait --for=condition=ready --timeout=5m pod -l app=alpine -n ns-nse-composition
kubectl wait --for=condition=ready --timeout=1m pod -l app=nse-kernel -n ns-nse-composition

Ping from NSC to NSE:

kubectl exec pods/alpine -n ns-nse-composition -- ping -c 4 172.16.1.100

Check TCP Port 8080 on NSE is accessible to NSC

kubectl exec pods/alpine -n ns-nse-composition -- wget -O /dev/null --timeout 5 "172.16.1.100:8080"

Check TCP Port 80 on NSE is inaccessible to NSC

kubectl exec pods/alpine -n ns-nse-composition -- wget -O /dev/null --timeout 5 "172.16.1.100:80"
if [ 0 -eq $? ]; then
  echo "error: port :80 is available" >&2
  false
else
  echo "success: port :80 is unavailable"
fi

Ping from NSE to NSC:

kubectl exec deployments/nse-kernel -n ns-nse-composition -- ping -c 4 172.16.1.101

Cleanup

Delete ns:

kubectl delete ns ns-nse-composition