homelab/k8s/apps/firefly-iii/network-policy.yaml

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: firefly-ingress
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/instance: firefly-iii
      app.kubernetes.io/name: firefly-iii
  policyTypes:
    - Ingress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: traefik-ai
        # The chart's CronJob uses the same selector labels as the application.
        - podSelector:
            matchLabels:
              app.kubernetes.io/instance: firefly-iii
              app.kubernetes.io/name: firefly-iii
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: firefly-data-importer
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: firefly-data-importer-sync
        # hostNetwork traffic is seen as node traffic rather than Pod traffic.
        - ipBlock:
            cidr: 192.168.1.117/32
        - ipBlock:
            cidr: 100.77.155.120/32
      ports:
        - protocol: TCP
          port: 8080
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: firefly-postgres-ingress
spec:
  podSelector:
    matchLabels:
      cnpg.io/cluster: firefly-postgres
  policyTypes:
    - Ingress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/instance: firefly-iii
              app.kubernetes.io/name: firefly-iii
        - podSelector:
            matchLabels:
              cnpg.io/cluster: firefly-postgres
      ports:
        - protocol: TCP
          port: 5432
    # CloudNativePG operator health/status traffic to the instance manager.
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: psql
          podSelector:
            matchLabels:
              app.kubernetes.io/name: cloudnative-pg
      ports:
        - protocol: TCP
          port: 8000
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: firefly-data-importer-ingress
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: firefly-data-importer
  policyTypes:
    - Ingress
  ingress:
    # Shared Traefik serves the public HTTPS importer.
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: kube-system
          podSelector:
            matchLabels:
              app.kubernetes.io/name: traefik
      ports:
        - protocol: TCP
          port: 8080
    # Keep node traffic allowed for probes and local diagnostics.
    - from:
        - ipBlock:
            cidr: 192.168.1.117/32
        - ipBlock:
            cidr: 100.77.155.120/32
      ports:
        - protocol: TCP
          port: 8080