es-sw-policy.yaml

apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
  name: secure-empire-elasticsearch
  namespace: default
specs:
- endpointSelector:
    matchLabels:
      component: elasticsearch
  ingress:
  - fromEndpoints:
    - matchLabels:
        app: spaceship
    toPorts:
    - ports:
      - port: "9200"
        protocol: TCP
      rules:
        http:
        - method: ^PUT$
          path: ^/spaceship_diagnostics/stats/.*$
  - fromEndpoints:
    - matchLabels:
        app: empire-hq
    toPorts:
    - ports:
      - port: "9200"
        protocol: TCP
      rules:
        http:
        - method: ^GET$
          path: ^/spaceship_diagnostics/_search/??.*$
        - method: ^GET$
          path: ^/troop_logs/_search/??.*$
  - fromEndpoints:
    - matchLabels:
        app: outpost
    toPorts:
    - ports:
      - port: "9200"
        protocol: TCP
      rules:
        http:
        - method: ^PUT$
          path: ^/troop_logs/log/.*$
- egress:
  - toEndpoints:
    - matchExpressions:
      - key: k8s:io.kubernetes.pod.namespace
        operator: Exists
  - toEntities:
    - cluster
    - host
  endpointSelector: {}
  ingress:
  - {}