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# to you 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
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# software distributed under the License is distributed on an
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apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}"
  namespace: {{ .Values.namespace }}
  labels:
    app: {{ template "pulsar.name" . }}
    chart: {{ template "pulsar.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
    component: {{ .Values.zookeeper.component }}
    cluster: {{ template "pulsar.fullname" . }}
spec:
  serviceName: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}"
  replicas: {{ .Values.zookeeper.replicaCount }}
  selector:
    matchLabels:
      app: {{ template "pulsar.name" . }}
      release: {{ .Release.Name }}
      component: {{ .Values.zookeeper.component }}
  updateStrategy:
{{ toYaml .Values.zookeeper.updateStrategy | indent 4 }}
  podManagementPolicy: {{ .Values.zookeeper.podManagementPolicy }}
  template:
    metadata:
      labels:
        app: {{ template "pulsar.name" . }}
        release: {{ .Release.Name }}
        component: {{ .Values.zookeeper.component }}
        cluster: {{ template "pulsar.fullname" . }}
      annotations:
{{ toYaml .Values.zookeeper.annotations | indent 8 }}
    spec:
    {{- if .Values.zookeeper.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.zookeeper.nodeSelector | indent 8 }}
    {{- end }}
    {{- if .Values.zookeeper.tolerations }}
      tolerations:
{{ toYaml .Values.zookeeper.tolerations | indent 8 }}
    {{- end }}
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: "app"
                operator: In
                values:
                - "{{ template "pulsar.name" . }}"
              - key: "release"
                operator: In
                values:
                - {{ .Release.Name }}
              - key: "component"
                operator: In
                values:
                - {{ .Values.zookeeper.component }}
            topologyKey: "kubernetes.io/hostname"
      terminationGracePeriodSeconds: {{ .Values.zookeeper.gracePeriod }}
      containers:
      - name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}"
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
      {{- if .Values.zookeeper.resources }}
        resources:
{{ toYaml .Values.zookeeper.resources | indent 10 }}
      {{- end }}
        command: ["sh", "-c"]
        args:
        - >
          bin/apply-config-from-env.py conf/zookeeper.conf &&
          bin/apply-config-from-env.py conf/pulsar_env.sh &&
          bin/generate-zookeeper-config.sh conf/zookeeper.conf &&
          bin/pulsar zookeeper
        ports:
        - name: client
          containerPort: 2181
        - name: server
          containerPort: 2888
        - name: leader-election
          containerPort: 3888
        env:
        - name: ZOOKEEPER_SERVERS
          value:
            {{- $global := . }}
            {{ range $i, $e := until (.Values.zookeeper.replicaCount | int) }}{{ if ne $i 0 }},{{ end }}{{ template "pulsar.fullname" $global }}-{{ $global.Values.zookeeper.component }}-{{ printf "%d" $i }}{{ end }}
        envFrom:
        - configMapRef:
            name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}"
        readinessProbe:
          exec:
            command:
            - "bin/pulsar-zookeeper-ruok.sh"
          initialDelaySeconds: 5
          timeoutSeconds: 5
        livenessProbe:
          exec:
            command:
            - "bin/pulsar-zookeeper-ruok.sh"
          initialDelaySeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}-{{ .Values.zookeeper.volumes.data.name }}"
          mountPath: /pulsar/data
    {{- if not .Values.persistence }}
      volumes:
      - name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}-{{ .Values.zookeeper.volumes.data.name }}"
        emptyDir: {}
    {{- end }}
{{- if .Values.persistence }}
  volumeClaimTemplates:
  - metadata:
      name: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}-{{ .Values.zookeeper.volumes.data.name }}"
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: {{ .Values.zookeeper.volumes.data.size }}
    {{- if .Values.zookeeper.volumes.data.storageClassName }}
      storageClassName: "{{ .Values.zookeeper.volumes.data.storageClassName }}"
    {{- else if .Values.zookeeper.volumes.data.storageClass }}
      storageClassName: "{{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }}-{{ .Values.zookeeper.volumes.data.name }}"
    {{- end }}
{{- end }}