apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-ingress-from-busybox
  namespace: default
spec:
  podSelector:
    matchLabels: 
      app: nginx
  policyTypes:
  - Ingress
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          ns: airwave-dev