---
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
  name: forgejo
  namespace: forgejo
spec:
  endpointSelector:
    matchLabels:
      app.kubernetes.io/name: forgejo
      app.kubernetes.io/instance: forgejo
  ingress:
    # Kubelet probes, local port-forwarding, and same-node LoadBalancer backend flows.
    - fromEntities:
        - host
      toPorts:
        - ports:
            - port: "3000"
              protocol: TCP
            - port: "2222"
              protocol: TCP
    # Gateway I Envoy proxy: outbound connections use reserved:ingress identity.
    - fromEntities:
        - ingress
      toPorts:
        - ports:
            - port: "3000"
              protocol: TCP
    - fromEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: kube-system
            gateway.networking.k8s.io/gateway-name: gateway-internal
      toPorts:
        - ports:
            - port: "3000"
              protocol: TCP
    # Flux source-controller clones the GitOps repository over in-cluster SSH.
    - fromEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: flux-system
            app: source-controller
      toPorts:
        - ports:
            - port: "2222"
              protocol: TCP
    # Internal SSH clients hit the dedicated forgejo-ssh LoadBalancer service.
    - fromCIDR:
        - 10.115.187.218/24
        - 10.63.81.107/24
        - 10.162.8.60/24
      toPorts:
        - ports:
            - port: "2222"
              protocol: TCP
  egress:
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: postgres
            cnpg.io/cluster: main
      toPorts:
        - ports:
            - port: "5432"
              protocol: TCP
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: dragonfly
            app.kubernetes.io/name: dragonfly
            app: forgejo
      toPorts:
        - ports:
            - port: "6379"
              protocol: TCP
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: versitygw
            app.kubernetes.io/name: versitygw
            app.kubernetes.io/instance: versitygw
      toPorts:
        - ports:
            - port: "7070"
              protocol: TCP
    # In-cluster clients reach S3 through versitygw-direct BGP LoadBalancer (socket-LB VIP).
    - toCIDR:
        - 10.66.127.81/32
      toPorts:
        - ports:
            - port: "443"
              protocol: TCP
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: kube-system
            k8s-app: kube-dns
      toPorts:
        - ports:
            - port: "53"
              protocol: UDP
            - port: "53"
              protocol: TCP
    # OIDC discovery/token exchange and future repository migrations over HTTPS.
    - toEntities:
        - world
      toPorts:
        - ports:
            - port: "443"
              protocol: TCP
---
apiVersion: cilium.io/v2
kind: CiliumClusterwideNetworkPolicy
metadata:
  name: gateway-internal-egress-forgejo
spec:
  endpointSelector:
    matchLabels:
      "reserved:ingress": ""
  egress:
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: forgejo
            app.kubernetes.io/name: forgejo
            app.kubernetes.io/instance: forgejo
      toPorts:
        - ports:
            - port: "3000"
              protocol: TCP
---
apiVersion: cilium.io/v2
kind: CiliumClusterwideNetworkPolicy
metadata:
  name: host-egress-forgejo
spec:
  nodeSelector: {}
  egress:
    - toEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: forgejo
            app.kubernetes.io/name: forgejo
            app.kubernetes.io/instance: forgejo
      toPorts:
        - ports:
            - port: "3000"
              protocol: TCP
            - port: "2222"
              protocol: TCP
---
# Same-node Gateway/LB backend selections can return to node-local ephemeral
# source ports via the host path.
apiVersion: cilium.io/v2
kind: CiliumClusterwideNetworkPolicy
metadata:
  name: host-ingress-forgejo-replies
spec:
  nodeSelector: {}
  ingress:
    - fromEndpoints:
        - matchLabels:
            k8s:io.kubernetes.pod.namespace: forgejo
            app.kubernetes.io/name: forgejo
            app.kubernetes.io/instance: forgejo
      toPorts:
        - ports:
            - port: "32768"
              endPort: 60999
              protocol: TCP