{{- /*
Copyright Broadcom, Inc. All Rights Reserved.
SPDX-License-Identifier: APACHE-2.0
*/}}

{{- if .Values.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: {{ template "networkPolicy.apiVersion" . }}
metadata:
  name: {{ template "common.names.fullname" . }}
  namespace: {{ include "common.names.namespace" . | quote }}
  labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
  {{- if .Values.commonAnnotations }}
  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
  {{- end }}
spec:
  podSelector:
    matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 6 }}
  policyTypes:
    - Ingress
    - Egress
  {{- if .Values.networkPolicy.allowExternalEgress }}
  egress:
    - {}
  {{- else }}
  egress:
    {{- if eq .Values.architecture "replication" }}
    # Allow dns resolution
    - ports:
        - port: 53
          protocol: UDP
    # Allow outbound connections to other cluster pods
    - ports:
        - port: {{ .Values.master.containerPorts.redis }}
        {{- if .Values.sentinel.enabled }}
        - port: {{ .Values.sentinel.containerPorts.sentinel }}
        {{- end }}
      to:
        - podSelector:
            matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
    {{- end }}
    {{- if .Values.networkPolicy.extraEgress }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
    {{- end }}
  {{- end }}
  ingress:
    # Allow inbound connections
    - ports:
        - port: {{ .Values.master.containerPorts.redis }}
        {{- if .Values.sentinel.enabled }}
        - port: {{ .Values.sentinel.containerPorts.sentinel }}
        {{- end }}
      {{- if not .Values.networkPolicy.allowExternal }}
      from:
        - podSelector:
            matchLabels:
              {{ template "common.names.fullname" . }}-client: "true"
        - podSelector:
            matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
        {{- if or .Values.networkPolicy.ingressNSMatchLabels .Values.networkPolicy.ingressNSPodMatchLabels }}
        - namespaceSelector:
            matchLabels:
              {{- if .Values.networkPolicy.ingressNSMatchLabels }}
                {{- range $key, $value := .Values.networkPolicy.ingressNSMatchLabels }}
                {{ $key | quote }}: {{ $value | quote }}
                {{- end }}
              {{ else }}
                {}
              {{- end }}
          {{- if .Values.networkPolicy.ingressNSPodMatchLabels }}
          podSelector:
            matchLabels:
              {{- range $key, $value := .Values.networkPolicy.ingressNSPodMatchLabels }}
              {{ $key | quote }}: {{ $value | quote }}
              {{- end }}
          {{- end }}
        {{- end }}
      {{- end }}
    {{- if .Values.metrics.enabled }}
    # Allow prometheus scrapes for metrics
    - ports:
        - port: {{ .Values.metrics.containerPorts.http }}
      {{- if not .Values.networkPolicy.metrics.allowExternal }}
      from:
        {{- if or .Values.networkPolicy.metrics.ingressNSMatchLabels .Values.networkPolicy.metrics.ingressNSPodMatchLabels }}
        - namespaceSelector:
            matchLabels:
              {{- if .Values.networkPolicy.metrics.ingressNSMatchLabels }}
                {{- range $key, $value := .Values.networkPolicy.metrics.ingressNSMatchLabels }}
                {{ $key | quote }}: {{ $value | quote }}
                {{- end }}
              {{ else }}
                {}
              {{- end }}
          {{- if .Values.networkPolicy.metrics.ingressNSPodMatchLabels }}
          podSelector:
            matchLabels:
              {{- range $key, $value := .Values.networkPolicy.metrics.ingressNSPodMatchLabels }}
              {{ $key | quote }}: {{ $value | quote }}
              {{- end }}
          {{- end }}
        {{- end }}
      {{- end }}
    {{- end }}
    {{- if .Values.networkPolicy.extraIngress }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
    {{- end }}
{{- end }}
