kubernetes/common/elasticsearch/components/master/templates/statefulset.yaml

   1 {{/*
   2 # Copyright © 2020 Bitnami, AT&T, Amdocs, Bell Canada, highstreet technologies
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15 */}}
  16
  17 apiVersion: apps/v1
  18 kind: StatefulSet
  19 {{ $role := "master" -}}
  20 {{ $suffix := $role -}}
  21 {{ $labels := (dict "role" $role "discovery" .Values.cluster_name) -}}
  22 metadata: {{- include "common.resourceMetadata" (dict "suffix" $suffix "labels" $labels "dot" . )| nindent 2 }}
  23 spec:
  24   updateStrategy:
  25     type: {{ .Values.updateStrategy.type }}
  26     {{- if (eq "OnDelete" .Values.updateStrategy.type) }}
  27     rollingUpdate: null
  28     {{- end }}
  29   selector: {{- include "common.selectors" (dict "matchLabels" $labels "dot" .)| nindent 4 }}
  30   serviceName: {{ include "common.fullname" . }}-master
  31   replicas: {{ .Values.replicaCount }}
  32   template:
  33     metadata: {{- include "common.templateMetadata" (dict "labels" $labels "dot" .) | nindent 6 }}
  34     spec:
  35       imagePullSecrets:
  36       - name: "{{ include "common.namespace" . }}-docker-registry-key"
  37       {{- if .Values.affinity }}
  38       affinity: {{- include "common.tplValue" (dict "value" .Values.affinity "context" $) | nindent 8 }}
  39       {{- end }}
  40       {{- if .Values.nodeSelector }}
  41       nodeSelector: {{- include "common.tplValue" (dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
  42       {{- end }}
  43       {{- if .Values.tolerations }}
  44       tolerations: {{- include "common.tplValue" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
  45       {{- end }}
  46       {{- if .Values.securityContext.enabled }}
  47       securityContext:
  48         fsGroup: {{ .Values.securityContext.fsGroup }}
  49       {{- end }}
  50       {{- if or .Values.sysctlImage.enabled (and .Values.volumePermissions.enabled .Values.persistence.enabled) }}
  51       initContainers:
  52         {{- if .Values.sysctlImage.enabled }}
  53         ## Image that performs the sysctl operation to modify Kernel settings (needed sometimes to avoid boot errors)
  54         - name: sysctl
  55           image: {{ include "repositoryGenerator.image.busybox" . }}
  56           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  57           command:
  58             - /bin/sh
  59             - -c
  60             - |
  61               set -o errexit
  62               set -o pipefail
  63               set -o nounset
  64               sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
  65           securityContext:
  66             privileged: true
  67         {{- end }}
  68         {{- if and .Values.volumePermissions.enabled .Values.persistence.enabled }}
  69         - name: volume-permissions
  70           image: {{ include "repositoryGenerator.image.busybox" . }}
  71           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  72           command:
  73             - /bin/sh
  74             - -c
  75             - |
  76               chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }} //bitnami/elasticsearch/data
  77           securityContext:
  78             runAsUser: 0
  79           {{- if .Values.volumePermissions.resource }}
  80           resources: {{- toYaml .Values.volumePermissions.resources | nindent 12 }}
  81           {{- end }}
  82           volumeMounts:
  83             - name: data
  84               mountPath: "/bitnami/elasticsearch/data"
  85         {{- end }}
  86       {{- end }}
  87       containers:
  88         - name: {{ include "common.name" . }}-master
  89           image: {{ printf "%s/%s" (include "repositoryGenerator.dockerHubRepository" .)  .Values.image }}
  90           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  91           {{- if .Values.securityContext.enabled }}
  92           securityContext:
  93             runAsUser: {{ .Values.securityContext.runAsUser }}
  94           {{- end }}
  95           env:
  96             - name: BITNAMI_DEBUG
  97               value: {{ ternary "true" "false" .Values.debug | quote }}
  98             - name: ELASTICSEARCH_CLUSTER_NAME
  99               value: {{ .Values.cluster_name }}
 100             - name: ELASTICSEARCH_CLUSTER_HOSTS
 101               value: {{ include "common.name" . }}-discovery
 102             - name: ELASTICSEARCH_CLUSTER_MASTER_HOSTS
 103               {{- $elasticsearchMasterFullname := printf "%s-%s" (include "common.fullname" . ) "master" }}
 104               {{- $replicas := int .Values.replicaCount }}
 105               value: {{range $i, $e := until $replicas }}{{ $elasticsearchMasterFullname }}-{{ $e }} {{ end }}
 106             - name: ELASTICSEARCH_MINIMUM_MASTER_NODES
 107               value: {{ add (div .Values.replicaCount 2) 1 | quote }}
 108             {{- if .Values.plugins }}
 109             - name: ELASTICSEARCH_PLUGINS
 110               value: {{ .Values.plugins | quote }}
 111             {{- end }}
 112             - name: ELASTICSEARCH_HEAP_SIZE
 113               value: {{ .Values.heapSize | quote }}
 114             - name: ELASTICSEARCH_IS_DEDICATED_NODE
 115               value: {{ .Values.dedicatednode | quote }}
 116             - name: ELASTICSEARCH_NODE_TYPE
 117               value: "master"
 118             - name: network.bind_host
 119               value: 127.0.0.1
 120             - name: network.publish_host
 121               valueFrom:
 122                 fieldRef:
 123                   fieldPath: status.podIP
 124           ports: {{- include "common.containerPorts" . |indent 12 }}
 125           {{- if .Values.livenessProbe.enabled }}
 126           livenessProbe:
 127             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
 128             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
 129             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
 130             successThreshold: {{ .Values.livenessProbe.successThreshold }}
 131             failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
 132             httpGet:
 133               path: /_cluster/health?local=true
 134               port: 9200
 135           {{- end }}
 136           {{- if .Values.readinessProbe.enabled }}
 137           readinessProbe:
 138             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
 139             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
 140             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
 141             successThreshold: {{ .Values.livenessProbe.successThreshold }}
 142             failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
 143             httpGet:
 144               path: /_cluster/health?local=true
 145               port: 9200
 146           {{- end }}
 147           {{- if .Values.resources }}
 148           resources: {{- toYaml .Values.resources | nindent 12 }}
 149           {{- end }}
 150           volumeMounts:
 151             {{- if .Values.config }}
 152             - mountPath: /opt/bitnami/elasticsearch/config/elasticsearch.yml
 153               name: config
 154               subPath: elasticsearch.yml
 155             {{- end }}
 156             - name: data
 157               mountPath: /bitnami/elasticsearch/data
 158             {{- if .Values.extraVolumeMounts }}
 159             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
 160             {{- end }}
 161       volumes:
 162         {{- if .Values.config }}
 163         - name: config
 164           configMap:
 165             name: {{ include "common.fullname" . }}
 166         {{- end }}
 167         {{- if .Values.extraVolumes }}
 168         {{- toYaml .Values.extraVolumes | nindent 8 }}
 169         {{- end }}
 170 {{- if not .Values.persistence.enabled }}
 171         - name: "data"
 172           emptyDir: {}
 173 {{- else }}
 174   volumeClaimTemplates:
 175     - metadata:
 176         name: "data"
 177         {{- if .Values.persistence.annotations }}
 178         annotations: {{- toYaml .Values.persistence.annotations | nindent 10 }}
 179         {{- end }}
 180       spec:
 181         accessModes:
 182           - {{ .Values.persistence.accessMode }}
 183         storageClassName: {{ include "common.storageClass" (dict "dot" . "suffix" .Values.persistence.suffix) }}
 184         resources:
 185           requests:
 186             storage: {{ .Values.persistence.size | quote }}
 187 {{- end }}