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path: root/kubernetes/dmaap/components/message-router/charts/message-router-kafka/templates/statefulset.yaml
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# Modifications Copyright © 2018 AT&T
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "common.fullname" . }}
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ include "common.release" . }}
    heritage: {{ .Release.Service }}
spec:
  selector:
    matchLabels:
      app: {{ include "common.name" . }}
  serviceName: {{ .Values.service.name }}
  replicas: {{ .Values.replicaCount }}
  podManagementPolicy: Parallel
  template:
    metadata:
      labels:
        app:  {{ include "common.name" . }}
        release: {{ include "common.release" . }}
      {{- if .Values.prometheus.jmx.enabled }}
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: {{ .Values.prometheus.jmx.port | quote }}
      {{- end }}
    spec:
      podAntiAffinity:
         {{if eq .Values.podAntiAffinityType "hard" -}}
         requiredDuringSchedulingIgnoredDuringExecution:
         {{- else -}}
         preferredDuringSchedulingIgnoredDuringExecution:
         {{- end}}
         - weight: 1
           podAffinityTerm:
             labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                    - {{ include "common.name" . }}
                  - key: "release"
                    operator: In
                    values:
                    - {{ include "common.release" . }}
             topologyKey: "kubernetes.io/hostname"
      {{- if .Values.nodeAffinity }}
      nodeAffinity:
      {{ toYaml .Values.nodeAffinity | indent 10 }}
      {{- end }}
      initContainers:
      - name: {{ include "common.name" . }}-initcontainer
        image: "{{ .Values.global.ubuntuInitRepository }}/{{ .Values.ubuntuInitImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
      - command:
        - /app/ready.py
        args:
        - --container-name
        - {{ .Values.zookeeper.name }}
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        image: "{{ include "common.repository" . }}/{{ .Values.global.readinessImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: {{ include "common.name" . }}-readiness
      - command:
        -  sh
        - -exec
        - |
          rm -rf '/var/lib/kafka/data/lost+found';
          chown -R 1000:0 /var/lib/kafka/data;
        image: "{{ .Values.busyBoxRepository }}/{{ .Values.busyBoxImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        volumeMounts:
        - mountPath: /var/lib/kafka/data
          name: kafka-data
        name: {{ include "common.name" . }}-permission-fixer
      - command:
        - sh
        args:
        - -c
        - "cd /config-input  && for PFILE in `ls -1 .`; do envsubst <${PFILE} >/etc/kafka/secrets/jaas/${PFILE}; done"
        env:
        - name: ZK_ADMIN
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-client" "key" "login") | indent 10 }}
        - name: ZK_PSWD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-client" "key" "password") | indent 10 }}
        - name: KAFKA_ADMIN
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "kafka-admin" "key" "login") | indent 10 }}
        - name: KAFKA_PSWD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "kafka-admin" "key" "password") | indent 10 }}
        volumeMounts:
        - mountPath: /etc/kafka/secrets/jaas
          name: jaas-config
        - mountPath: /config-input
          name: jaas
        image: "{{ .Values.global.envsubstImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: {{ include "common.name" . }}-update-config
      containers:
      {{- if .Values.prometheus.jmx.enabled }}
      - name: prometheus-jmx-exporter
        image: "{{ .Values.prometheus.jmx.imageRepository }}/{{ .Values.prometheus.jmx.image }}:{{ .Values.prometheus.jmx.imageTag }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        command:
        - java
        - -XX:+UnlockExperimentalVMOptions
        - -XX:+UseCGroupMemoryLimitForHeap
        - -XX:MaxRAMFraction=1
        - -XshowSettings:vm
        - -jar
        - jmx_prometheus_httpserver.jar
        - {{ .Values.prometheus.jmx.port | quote }}
        - /etc/jmx-kafka/jmx-kafka-prometheus.yml
        ports:
        - containerPort: {{ .Values.prometheus.jmx.port }}
        resources:
{{ toYaml .Values.prometheus.jmx.resources | indent 10 }}
        volumeMounts:
        - name: jmx-config
          mountPath: /etc/jmx-kafka
      {{- end }}
      - name: {{ include "common.name" .  }}
        image: "{{ include "common.repository" . }}/{{ .Values.image }}"
        imagePullPolicy:  {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        command:
        - sh
        - -exc
        - |
          export KAFKA_BROKER_ID=${HOSTNAME##*-} && \
          {{- if  .Values.global.aafEnabled }}
          export KAFKA_ADVERTISED_LISTENERS=EXTERNAL_SASL_PLAINTEXT://$(HOST_IP):$(( $KAFKA_BROKER_ID + {{ .Values.service.baseNodePort }} )),INTERNAL_SASL_PLAINTEXT://:{{ .Values.service.internalPort }} && \
          {{ else }}
          export KAFKA_ADVERTISED_LISTENERS=EXTERNAL_PLAINTEXT://$(HOST_IP):$(( $KAFKA_BROKER_ID + {{ .Values.service.baseNodePort }} )),INTERNAL_PLAINTEXT://:{{ .Values.service.internalPort }} && \
          {{- end }}
          exec /etc/confluent/docker/run
        resources:
{{ include "common.resources" . | indent 12 }}
        ports:
        - containerPort: {{ .Values.service.internalPort }}
        - containerPort: {{ .Values.service.externalPort }}
        {{- if .Values.prometheus.jmx.enabled }}
        - containerPort: {{ .Values.jmx.port }}
          name: jmx
        {{- end }}
       {{ if eq .Values.liveness.enabled true }}
        livenessProbe:
          tcpSocket:
            port: {{ .Values.service.internalPort }}
          initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
          periodSeconds: {{ .Values.liveness.periodSeconds }}
          timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
        {{ end }}
        readinessProbe:
          tcpSocket:
            port: {{ .Values.service.internalPort }}
          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
          periodSeconds: {{ .Values.readiness.periodSeconds }}
          timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
        env:
        - name: HOST_IP
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: status.hostIP
        - name: KAFKA_ZOOKEEPER_CONNECT
          value: {{ include "common.release" . }}-{{.Values.zookeeper.name}}-0.{{.Values.zookeeper.name}}.{{.Release.Namespace}}.svc.cluster.local:{{.Values.zookeeper.port}},{{ include "common.release" . }}-{{.Values.zookeeper.name}}-1.{{.Values.zookeeper.name}}.{{.Release.Namespace}}.svc.cluster.local:{{.Values.zookeeper.port}},{{ include "common.release" . }}-{{.Values.zookeeper.name}}-2.{{.Values.zookeeper.name}}.{{.Release.Namespace}}.svc.cluster.local:{{.Values.zookeeper.port}}
        - name: KAFKA_CONFLUENT_SUPPORT_METRICS_ENABLE
          value: "{{ .Values.kafka.enableSupport }}"
        - name: KAFKA_OPTS
          value: "{{ .Values.kafka.jaasOptions }}"
        {{- if  .Values.global.aafEnabled }}
        - name: KAFKA_OPTS
          value: "{{ .Values.kafka.jaasOptionsAaf }}"
        - name: aaf_locate_url
          value: https://aaf-locate.{{ include "common.namespace" . }}:8095
        - name: KAFKA_LISTENER_SECURITY_PROTOCOL_MAP
          value: "{{ .Values.kafka.protocolMapAaf }}"
        - name: KAFKA_LISTENERS
          value: "{{ .Values.kafka.listenersAaf }}"
        - name: KAFKA_SASL_ENABLED_MECHANISMS
          value: "{{ .Values.kafka.saslMech }}"
        - name: KAFKA_INTER_BROKER_LISTENER_NAME
          value: "{{ .Values.kafka.interBrokerListernerAaf }}"
        - name: KAFKA_SASL_MECHANISM_INTER_BROKER_PROTOCOL
          value: "{{ .Values.kafka.saslInterBrokerProtocol }}"
        - name: KAFKA_AUTHORIZER_CLASS_NAME
          value: "{{ .Values.kafka.authorizer }}"
        {{ else }}
        - name: KAFKA_OPTS
          value: "{{ .Values.kafka.jaasOptions }}"
        - name: KAFKA_LISTENER_SECURITY_PROTOCOL_MAP
          value: "{{ .Values.kafka.protocolMap }}"
        - name: KAFKA_LISTENERS
          value: "{{ .Values.kafka.listeners }}"
        - name: KAFKA_INTER_BROKER_LISTENER_NAME
          value: "{{ .Values.kafka.interBrokerListerner }}"
        {{- end }}
        {{- range $key, $value := .Values.configurationOverrides }}
        - name: {{ printf "KAFKA_%s" $key | replace "." "_" | upper | quote }}
          value: {{ $value | quote }}
        {{- end }}
        {{- if .Values.jmx.port }}
        - name: KAFKA_JMX_PORT
          value: "{{ .Values.jmx.port }}"
        {{- end }}
        - name: enableCadi
          value: "{{ .Values.global.aafEnabled }}"
        volumeMounts:
        - mountPath: /etc/localtime
          name: localtime
          readOnly: true
        - mountPath: /var/run/docker.sock
          name: docker-socket
        {{- if .Values.global.aafEnabled }}
        - mountPath: /etc/kafka/data/cadi.properties
          subPath: cadi.properties
          name: cadi
        {{ end  }}
        - name: jaas-config
          mountPath: /etc/kafka/secrets/jaas
        - mountPath: /var/lib/kafka/data
          name: kafka-data
      {{- if .Values.tolerations }}
      tolerations:
        {{ toYaml .Values.tolerations | indent 10 }}
      {{- end }}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
      - name: jaas-config
        emptyDir:
          medium: Memory
      - name: docker-socket
        hostPath:
          path: /var/run/docker.sock
      {{- if .Values.global.aafEnabled }}
      - name: cadi
        configMap:
          name: {{ include "common.fullname" . }}-cadi-prop-configmap
      {{ end }}
      - name: jaas
        configMap:
          name: {{ include "common.fullname" . }}-jaas-configmap
       {{- if .Values.prometheus.jmx.enabled }}
      - name: jmx-config
        configMap:
          name: {{ include "common.fullname" . }}-prometheus-configmap
       {{- end }}
{{ if not .Values.persistence.enabled }}
      - name: kafka-data
        emptyDir: {}
{{ else }}
  volumeClaimTemplates:
    - metadata:
        name: kafka-data
        labels:
          app: {{ include "common.fullname" . }}
          chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
          release: "{{ include "common.release" . }}"
          heritage: "{{ .Release.Service }}"
      spec:
        accessModes:
          - {{ .Values.persistence.accessMode | quote }}
        storageClassName: {{ include "common.storageClass" . }}
        resources:
          requests:
            storage: {{ .Values.persistence.size | quote }}
{{ end }}
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"