Securing Namespaces with Network Policies
Test existing connectivity
kubectl run -i --rm --restart=Never --image=busybox:latest -n ns1 shell -- wget -qO- http://test.ns2.svc.cluster.local
Apply demo network policy
kubectl apply -f exercice-files/lab3.yaml
This demo policy has been built using a GUI available here: https://editor.networkpolicy.io/
Test new connectivity
kubectl run -i --rm --restart=Never --image=busybox:latest -n ns1 shell -- wget -qO- http://test.ns1.svc.cluster.local
kubectl run -i --rm --restart=Never --image=busybox:latest -n ns1 shell -- wget -qO- http://test.ns2.svc.cluster.local
Clean up
kubectl delete -f exercice-files/lab2-1.yaml
