es-networkpolicy.yaml

es-networkpolicy.yaml

{{- if .Values.networkPolicy.enabled }}
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: {{ include "elasticsearch.fullname" . }}
  namespace: {{ .Release.Namespace }}
  labels:
    {{- include "elasticsearch.labels" . | nindent 4 }}
spec:
  podSelector:
    matchLabels:
      elasticsearch.k8s.elastic.co/cluster-name: {{ include "elasticsearch.fullname" . }}
  policyTypes:
    - Ingress
  ingress:
    # ----------------------------------------------------------------
    # Intra-namespace: ES node-to-node transport (9300) and HTTP (9200)
    # ----------------------------------------------------------------
    - from:
        - podSelector: {}
      ports:
        - protocol: TCP
          port: 9200
        - protocol: TCP
          port: 9300

    # ----------------------------------------------------------------
    # ECK operator namespace — needs access for reconciliation
    # ----------------------------------------------------------------
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: elastic-system
      ports:
        - protocol: TCP
          port: 9200

    # ----------------------------------------------------------------
    # Allowed external namespaces — HTTP only (9200)
    # ----------------------------------------------------------------
    {{- range .Values.networkPolicy.allowedNamespaces }}
    - from:
        - namespaceSelector:
            matchLabels:
              {{- toYaml .matchLabels | nindent 14 }}
      ports:
        - protocol: TCP
          port: 9200
    {{- end }}
{{- end }}