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homelab-frontend/k8s/network-policy.yaml
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fix: route k8s API through nginx proxy, drop CiliumNetworkPolicy
2026-08-26 16:24:43 -07:00

79 lines
1.7 KiB
YAML

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: api-gateway
namespace: api
labels:
app: api-gateway
spec:
podSelector:
matchLabels:
app: api-gateway
policyTypes:
- Ingress
- Egress
ingress:
# Allow from ingress-nginx controller (from ingress-nginx namespace)
- from:
- namespaceSelector:
matchLabels:
name: ingress-nginx
ports:
- protocol: TCP
port: 8080
# Allow from Prometheus scraping (if in monitoring namespace)
- from:
- namespaceSelector:
matchLabels:
name: monitoring
ports:
- protocol: TCP
port: 8080
egress:
# Kubernetes API server (via kube-api-proxy nginx in same namespace)
- to:
- podSelector:
matchLabels:
app: kube-api-proxy
ports:
- protocol: TCP
port: 8443
# Allow DNS
- to:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: kube-system
ports:
- protocol: UDP
port: 53
- protocol: TCP
port: 53
# Allow to upstreams (LLM services in llm-serving namespace)
- to:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: llm-serving
ports:
- protocol: TCP
port: 80
- protocol: TCP
port: 8000
- protocol: TCP
port: 8001
# Allow to other upstreams if needed (embeddings, reranker, etc.)
- to:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: llm-serving
ports:
- protocol: TCP
port: 8080
# Allow to atlas (riotpiao-backend) for /cluster/* routes
- to:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: atlas
ports:
- protocol: TCP
port: 8080