charts/bitnami/spring-cloud-dataflow/templates/server/networkpolicy.yaml

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

{{- if .Values.server.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: {{ include "common.capabilities.networkPolicy.apiVersion" . }}
metadata:
  name: {{ include "scdf.server.fullname" . }}
  namespace: {{ include "common.names.namespace" . | quote }}
  {{- $labels := include "common.tplvalues.merge" ( dict "values" ( list .Values.commonLabels ) "context" . ) }}
  labels: {{- include "common.labels.standard" ( dict "customLabels" $labels "context" $ ) | nindent 4 }}
    app.kubernetes.io/component: server
  {{- if .Values.commonAnnotations }}
  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
  {{- end }}
spec:
  {{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.server.podLabels .Values.commonLabels ) "context" . ) }}
  podSelector:
    matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
      app.kubernetes.io/component: server
  policyTypes:
    - Ingress
    - Egress
  {{- if .Values.server.networkPolicy.allowExternalEgress }}
  egress:
    - {}
  {{- else }}
  egress:
    - ports:
        # Allow dns resolution
        - port: 53
          protocol: UDP
        - port: 53
          protocol: TCP
        {{- if .Values.waitForBackends.enabled }}
        # Allow access to kube-apiserver
        {{- range $port := .Values.server.networkPolicy.kubeAPIServerPorts }}
        - port: {{ $port }}
        {{- end }}
        {{- end }}
    {{- if or (.Values.rabbitmq.enabled) (.Values.externalRabbitmq.enabled) }}
    # Allow connection to RabbitMQ
    - ports:
        - port: {{ include "scdf.rabbitmq.port" . }}
      {{- if .Values.rabbitmq.enabled }}
      to:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: rabbitmq
              app.kubernetes.io/instance: {{ .Release.Name }}
      {{- end }}
    {{- end }}
    {{- if or (.Values.kafka.enabled) (.Values.externalKafka.enabled) }}
    # Allow connection to RabbitMQ
    - ports:
        - port: {{ include "scdf.kafka.port" . | int }}
      {{- if .Values.kafka.enabled }}
      to:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: kafka
              app.kubernetes.io/instance: {{ .Release.Name }}
      {{- end }}
    {{- end }}
    # Allow connection to MariaDB
    - ports:
        - port: {{ include "scdf.database.port" . | int }}
      {{- if .Values.mariadb.enabled }}
      to:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: mariadb
              app.kubernetes.io/instance: {{ .Release.Name }}
      {{- end }}
    # Allow connection to skipper
    - ports:
        - port: {{ ternary (coalesce .Values.skipper.service.ports.http .Values.skipper.service.port) .Values.externalSkipper.port .Values.skipper.enabled }}
      {{- if .Values.skipper.enabled }}
      to:
        - podSelector:
            {{- $versionLabel := dict "app.kubernetes.io/version" ( include "common.images.version" ( dict "imageRoot" .Values.skipper.image "chart" .Chart ) ) }}
            {{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.skipper.podLabels .Values.commonLabels $versionLabel ) "context" . ) }}
            matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 14 }}
              app.kubernetes.io/component: skipper
      {{- end }}
    {{- if .Values.metrics.enabled }}
    # Allow connection to prometheus-proxy
    - ports:
        - port: {{ coalesce .Values.metrics.service.ports.http .Values.metrics.service.httpPort }}
        - port: {{ coalesce .Values.metrics.service.ports.rsocket .Values.metrics.service.rsocketPort }}
      to:
        - podSelector:
            {{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.metrics.podLabels .Values.commonLabels ) "context" . ) }}
            matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 14 }}
              app.kubernetes.io/component: prometheus-proxy
    {{- end }}
    {{- if .Values.server.networkPolicy.extraEgress }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.server.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
    {{- end }}
  {{- end }}
  ingress:
    - ports:
        - port: {{ .Values.server.containerPorts.http }}
        - port: {{ coalesce .Values.server.service.ports.http .Values.server.service.port }}
        {{- if .Values.server.jdwp.enabled }}
        - port: {{ coalesce .Values.server.containerPorts.jdwp .Values.server.jdwp.port }}
        {{- end }}
      {{- if not .Values.server.networkPolicy.allowExternal }}
      from:
        - podSelector:
            matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
        - podSelector:
            matchLabels:
              {{ template "scdf.server.fullname" . }}-client: "true"
        {{- if .Values.server.networkPolicy.ingressNSMatchLabels }}
        - namespaceSelector:
            matchLabels:
              {{- range $key, $value := .Values.server.networkPolicy.ingressNSMatchLabels }}
              {{ $key | quote }}: {{ $value | quote }}
              {{- end }}
          {{- if .Values.server.networkPolicy.ingressNSPodMatchLabels }}
          podSelector:
            matchLabels:
              {{- range $key, $value := .Values.server.networkPolicy.ingressNSPodMatchLabels }}
              {{ $key | quote }}: {{ $value | quote }}
              {{- end }}
          {{- end }}
        {{- end }}
      {{- end }}
    {{- if .Values.server.networkPolicy.extraIngress }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.server.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
    {{- end }}
{{- end }}