{{/*
# Copyright © 2017 Amdocs, Bell Canada
# 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 }}
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: {{ .Values.maxUnavailable }}
  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:
      {{- if .Values.nodeAffinity }}
      nodeAffinity:
        {{ toYaml .Values.nodeAffinity | indent 10 }}
      {{- end }}
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"
      initContainers:
      - name: {{ include "common.name" . }}-permission-fixer
        command:
        - sh
        - -exec
        - >
          chown -R 1000:0 /tmp/zookeeper/apikeys;
        image: {{ include "repositoryGenerator.image.busybox" . }}
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        volumeMounts:
        - mountPath: /tmp/zookeeper/apikeys
          name: zookeeper-data
      - command:
        - sh
        args:
        - -c
        - "cd /config-input && for PFILE in `ls -1 .`; do envsubst <${PFILE} >/etc/zookeeper/secrets/jaas/${PFILE}; done"
        env:
        - name: ZK_ADMIN
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-admin" "key" "login") | indent 10 }}
        - name: ZK_PSWD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-admin" "key" "password") | indent 10 }}
        volumeMounts:
        - mountPath: /etc/zookeeper/secrets/jaas
          name: jaas-config
        - mountPath: /config-input
          name: jaas
        image: {{ include "repositoryGenerator.image.envsubst" . }}
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: {{ include "common.name" . }}-update-config
      containers:
      {{- if .Values.prometheus.jmx.enabled }}
      - name: prometheus-jmx-exporter
        image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .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-zookeeper/jmx-zookeeper-prometheus.yml
        ports:
        - containerPort: {{ .Values.prometheus.jmx.port }}
        resources:
{{ toYaml .Values.prometheus.jmx.resources | indent 10 }}
        volumeMounts:
        - name: jmx-config
          mountPath: /etc/jmx-zookeeper
      {{- end }}
      - name: {{ include "common.name" . }}
        image: {{ include "repositoryGenerator.repository" . }}/{{ .Values.image }}
        imagePullPolicy:  {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        resources:
{{ include "common.resources" . | indent 12 }}
        ports:
        - containerPort: {{ .Values.service.clientPort }}
          name: {{ .Values.service.clientPortName }}
        - containerPort: {{ .Values.service.serverPort }}
          name: {{ .Values.service.serverPortName }}
        - containerPort: {{ .Values.service.leaderElectionPort }}
          name: {{ .Values.service.leaderElectionPortName }}
        {{- if .Values.prometheus.jmx.enabled }}
        - containerPort: {{ .Values.jmx.port }}
          name: jmx
        {{- end }}
        {{ if eq .Values.liveness.enabled true }}
        livenessProbe:
          exec:
            command:  ['/bin/bash', '-c', 'echo "ruok" | nc -w 2 -q 2 localhost 2181 | grep imok']
          initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
          periodSeconds: {{ .Values.liveness.periodSeconds }}
          timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
        {{ end }}
        readinessProbe:
          exec:
            command: ['/bin/bash', '-c', 'echo "ruok" | nc -w 2 -q 2 localhost 2181 | grep imok']
          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
          periodSeconds: {{ .Values.readiness.periodSeconds }}
          timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
        resources:
{{ include "common.resources" . | indent 10 }}
        env:
        - name : KAFKA_HEAP_OPTS
          value: "{{ .Values.zkConfig.heapOptions }}"
        {{- if .Values.jmx.port }}
        - name : KAFKA_JMX_PORT
          value: "{{ .Values.jmx.port }}"
        {{- end }}
        - name : ZOOKEEPER_REPLICAS
          value: "{{ .Values.replicaCount }}"
        - name : ZOOKEEPER_TICK_TIME
          value: "{{ .Values.zkConfig.tickTime }}"
        - name : ZOOKEEPER_SYNC_LIMIT
          value: "{{ .Values.zkConfig.syncLimit }}"
        - name : ZOOKEEPER_INIT_LIMIT
          value: "{{ .Values.zkConfig.initLimit }}"
        - name : ZOOKEEPER_MAX_CLIENT_CNXNS
          value: "{{ .Values.zkConfig.maxClientCnxns }}"
        - name : ZOOKEEPER_AUTOPURGE_SNAP_RETAIN_COUNT
          value: "{{ .Values.zkConfig.autoPurgeSnapRetainCount}}"
        - name : ZOOKEEPER_AUTOPURGE_PURGE_INTERVAL
          value: "{{ .Values.zkConfig.autoPurgePurgeInterval}}"
        - name: ZOOKEEPER_CLIENT_PORT
          value: "{{ .Values.zkConfig.clientPort }}"
        - name: KAFKA_OPTS
          value: "{{ .Values.zkConfig.kafkaOpts }}"
        - name: ZOOKEEPER_QUORUM_LISTEN_ON_ALL_IPS
          value: "true"
        - name: ZOOKEEPER_SERVER_ID
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        command:
        - "bash"
        - "-c"
        - |
          ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-}+1)) \
          /etc/confluent/docker/run
        volumeMounts:
        - mountPath: /etc/localtime
          name: localtime
          readOnly: true
        - mountPath: /var/lib/zookeeper/data
          name: zookeeper-data
        - name: jaas-config
          mountPath: /etc/zookeeper/secrets/jaas
      {{- if .Values.tolerations }}
      tolerations:
        {{ toYaml .Values.tolerations | indent 10 }}
      {{- end }}
      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
      - name: jaas-config
        emptyDir:
          medium: Memory
      - name: docker-socket
        hostPath:
          path: /var/run/docker.sock
      - 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: zookeeper-data
        emptyDir: {}
{{ else }}
  volumeClaimTemplates:
    - metadata:
        name: zookeeper-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 }}