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path: root/kubernetes/common/music/charts/music-cassandra/templates/statefulset.yaml
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{{/*
# Copyright © 2018  AT&T, Amdocs, Bell Canada Intellectual Property.  All rights reserved.
#
# 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/v1beta1
kind: StatefulSet
metadata:
  name: {{ include "common.fullname" . }}
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
spec:
  podAntiAffinity:
    preferredDuringSchedulingIgnoredDuringExecution:
    - weight: 1
      podAffinityTerm:
        labelSelector:
          matchExpressions:
            - key: app
              operator: In
              values:
              - {{ .Chart.Name }}
        topologyKey: kubernetes.io/hostname
  serviceName: {{ include "common.servicename" . }}
  replicas: {{ .Values.replicaCount }}
  podManagementPolicy: {{ .Values.podManagementPolicy }}
  updateStrategy:
    type: {{ .Values.updateStrategy.type }}
  template:
    metadata:
      labels:
        app: {{ include "common.name" . }}
        release: {{ .Release.Name }}
      name: {{ include "common.name" . }}
    spec:
      containers:
      - name: {{ include "common.name" . }}
        image: "{{ .Values.global.repository }}/{{ .Values.image.image }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        ports:
        - containerPort: {{ .Values.service.internalPort }}
        - containerPort: {{ .Values.service.internalPort2 }}
        - containerPort: {{ .Values.service.internalPort3 }}
        {{- if eq .Values.liveness.enabled true }}
        livenessProbe:
          exec:
            command:
            - /bin/bash
            - -c
            - nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
          initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
          periodSeconds: {{ .Values.liveness.periodSeconds }}
        {{ end -}}
        readinessProbe:
          exec:
            command:
            - /bin/bash
            - -c
            - nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
          timeoutSeconds: {{ .Values.liveness.periodSeconds }}
        lifecycle:
          preStop:
            exec:
              command: ["/bin/sh", "-c", "PID=$(pidof java) && kill $PID && while ps -p $PID > /dev/null; do sleep 1; done"]
        env:
        {{- $seed_size := default 1 .Values.replicaCount | int -}}
        {{- $global := . }}
          - name: MAX_HEAP_SIZE
            value: {{ .Values.config.heap.max }}
          - name: HEAP_NEWSIZE
            value: {{ .Values.config.heap.min }}
          - name: CASSANDRA_SEEDS
            value: "{{- range $i, $e := until $seed_size }}{{ template "common.fullname" $global }}-{{ $i }}.{{ include "common.servicename" $global }}{{- if (lt ( add 1 $i ) $seed_size ) }},{{- end }}{{- end }}"
          - name: JVM_OPTS
            value: {{ .Values.config.jvmOpts | quote }}
          - name: CASSANDRA_CLUSTER_NAME
            value: {{ .Values.config.clusterName | quote }}
          - name: CASSANDRA_DC
            value: {{ .Values.config.dataCenter | quote }}
          - name: CASSANDRA_RACK
            value: {{ .Values.config.rackName | quote }}
          - name: CASSANDRA_AUTO_BOOTSTRAP
            value: {{ .Values.config.autoBootstrap | quote }}
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
        volumeMounts:
          - name: {{ template "common.name" . }}-data
            mountPath: /var/lib/cassandra
        resources:
{{ toYaml .Values.resources | indent 10 }}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
  {{- if not .Values.persistence.enabled }}
      - name: {{ template "common.name" . }}-data
        emptyDir: {}
  {{- else }}
  volumeClaimTemplates:
    - metadata:
        name: {{ template "common.name" . }}-data
        labels:
          app: {{ template "common.fullname" . }}
          chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
          release: "{{ .Release.Name }}"
          heritage: "{{ .Release.Service }}"
      annotations:
        volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass }}
      spec:
        storageClassName: {{ .Values.persistence.storageClass }}
        accessModes:
          - {{ .Values.persistence.accessMode | quote }}
        resources:
          requests:
            storage: {{ .Values.persistence.size | quote }}
        selector:
          matchLabels:
            app: {{ include "common.name" . }}
            release: "{{ .Release.Name }}"
  {{- end }}