tools/elasticsearch/templates/network-policy.yaml


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apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-logstash-and-grafana-to-elasticsearch
  namespace: monitoring
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: elasticsearch
  policyTypes:
    - Ingress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: logstash
      ports:
        - protocol: TCP
          port: 9200
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: grafana
      ports:
        - protocol: TCP
          port: 9200