Files
CKS-Lessons/lab/lesson-8-solution.yaml
2026-08-23 15:29:06 +06:00

63 lines
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YAML

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: default-deny-all
namespace: cks-net-hard
spec:
podSelector: {}
policyTypes:
- Ingress
- Egress
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-ledger-ingress-from-checkout
namespace: cks-net-hard
spec:
podSelector:
matchLabels:
app: ledger
policyTypes:
- Ingress
ingress:
- from:
- podSelector:
matchLabels:
app: checkout
ports:
- protocol: TCP
port: 8080
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-checkout-egress
namespace: cks-net-hard
spec:
podSelector:
matchLabels:
app: checkout
policyTypes:
- Egress
egress:
- to:
- podSelector:
matchLabels:
app: ledger
ports:
- protocol: TCP
port: 8080
- to:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: kube-system
podSelector:
matchLabels:
k8s-app: kube-dns
ports:
- protocol: UDP
port: 53
- protocol: TCP
port: 53