apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: {{ include "flex-auth.name" . }}
  labels:
    {{- include "flex-auth.labels" . | nindent 4 }}
spec:
  podSelector:
    matchLabels:
      {{- include "flex-auth.selectorLabels" . | nindent 6 }}
  policyTypes:
    - Ingress
    - Egress
  {{- if or .Values.auditDelivery.enabled (eq (include "flex-auth.callerAuth.enabled" .) "true") }}
  egress:
    {{- if eq (include "flex-auth.callerAuth.enabled" .) "true" }}
    - ports:
        - port: 443
          protocol: TCP
        - port: 6443
          protocol: TCP
    {{- end }}
    {{- if .Values.auditDelivery.enabled }}
    {{- if or (not (regexMatch "^[1-9][0-9]*$" (toString .Values.auditDelivery.receiverPort))) (lt (int .Values.auditDelivery.receiverPort) 1) (gt (int .Values.auditDelivery.receiverPort) 65535) }}
    {{- fail "auditDelivery.receiverPort must be explicitly set to a valid receiver port" }}
    {{- end }}
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: {{ required "auditDelivery.receiverNamespace is required" .Values.auditDelivery.receiverNamespace | quote }}
          podSelector:
            matchLabels:
              app.kubernetes.io/name: {{ required "auditDelivery.receiverPodName is required" .Values.auditDelivery.receiverPodName | quote }}
      ports:
        - port: {{ .Values.auditDelivery.receiverPort }}
          protocol: TCP
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: {{ required "auditDelivery.dnsNamespace is required" .Values.auditDelivery.dnsNamespace | quote }}
          podSelector:
            matchLabels:
              k8s-app: {{ required "auditDelivery.dnsPodLabel is required" .Values.auditDelivery.dnsPodLabel | quote }}
      ports:
        - port: 53
          protocol: UDP
        - port: 53
          protocol: TCP
    {{- end }}
  {{- else }}
  egress: []
  {{- end }}
  {{- if .Values.consumer.isolated }}
  ingress: []
  {{- else }}
  ingress:
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: {{ required "consumer.namespace is required when not isolated" .Values.consumer.namespace }}
          podSelector:
            matchLabels:
              app.kubernetes.io/name: {{ required "consumer.podName is required when not isolated" .Values.consumer.podName }}
      ports:
        - port: {{ .Values.service.port }}
          protocol: TCP
  {{- end }}