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       {{- include "common.imagePullSecrets" . | nindent 6 }}
  36       {{- if .Values.affinity }}
  37       affinity: {{- include "common.tplValue" (dict "value" .Values.affinity "context" $) | nindent 8 }}
  38       {{- end }}
  39       {{- if .Values.nodeSelector }}
  40       nodeSelector: {{- include "common.tplValue" (dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
  41       {{- end }}
  42       {{- if .Values.tolerations }}
  43       tolerations: {{- include "common.tplValue" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
  44       {{- end }}
  45       {{- if .Values.securityContext.enabled }}
  46       securityContext:
  47         fsGroup: {{ .Values.securityContext.fsGroup }}
  48       {{- end }}
  49       {{- if or .Values.sysctlImage.enabled (and .Values.volumePermissions.enabled .Values.persistence.enabled) }}
  50       initContainers:
  51         {{- if .Values.sysctlImage.enabled }}
  52         ## Image that performs the sysctl operation to modify Kernel settings (needed sometimes to avoid boot errors)
  53         - name: sysctl
  54           image: {{ include "repositoryGenerator.image.busybox" . }}
  55           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  56           command:
  57             - /bin/sh
  58             - -c
  59             - |
  60               set -o errexit
  61               set -o pipefail
  62               set -o nounset
  63               sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
  64           securityContext:
  65             privileged: true
  66         {{- end }}
  67         {{- if and .Values.volumePermissions.enabled .Values.persistence.enabled }}
  68         - name: volume-permissions
  69           image: {{ include "repositoryGenerator.image.busybox" . }}
  70           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  71           command:
  72             - /bin/sh
  73             - -c
  74             - |
  75               chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }} //bitnami/elasticsearch/data
  76           securityContext:
  77             runAsUser: 0
  78           {{- if .Values.volumePermissions.resource }}
  79           resources: {{- toYaml .Values.volumePermissions.resources | nindent 12 }}
  80           {{- end }}
  81           volumeMounts:
  82             - name: data
  83               mountPath: "/bitnami/elasticsearch/data"
  84         {{- end }}
  85       {{- end }}
  86       containers:
  87         - name: {{ include "common.name" . }}-master
  88           image: {{ printf "%s/%s" (include "repositoryGenerator.dockerHubRepository" .)  .Values.image }}
  89           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  90           {{- if .Values.securityContext.enabled }}
  91           securityContext:
  92             runAsUser: {{ .Values.securityContext.runAsUser }}
  93           {{- end }}
  94           env:
  95             - name: BITNAMI_DEBUG
  96               value: {{ ternary "true" "false" .Values.debug | quote }}
  97             - name: ELASTICSEARCH_CLUSTER_NAME
  98               value: {{ .Values.cluster_name }}
  99             - name: ELASTICSEARCH_CLUSTER_HOSTS
 100               value: {{ include "common.name" . }}-discovery
 101             - name: ELASTICSEARCH_CLUSTER_MASTER_HOSTS
 102               {{- $elasticsearchMasterFullname := printf "%s-%s" (include "common.fullname" . ) "master" }}
 103               {{- $replicas := int .Values.replicaCount }}
 104               value: {{range $i, $e := until $replicas }}{{ $elasticsearchMasterFullname }}-{{ $e }} {{ end }}
 105             - name: ELASTICSEARCH_MINIMUM_MASTER_NODES
 106               value: {{ add (div .Values.replicaCount 2) 1 | quote }}
 107             {{- if .Values.plugins }}
 108             - name: ELASTICSEARCH_PLUGINS
 109               value: {{ .Values.plugins | quote }}
 110             {{- end }}
 111             - name: ELASTICSEARCH_HEAP_SIZE
 112               value: {{ .Values.heapSize | quote }}
 113             - name: ELASTICSEARCH_IS_DEDICATED_NODE
 114               value: {{ .Values.dedicatednode | quote }}
 115             - name: ELASTICSEARCH_NODE_TYPE
 116               value: "master"
 117             - name: network.bind_host
 118               value: 127.0.0.1
 119             - name: network.publish_host
 120               valueFrom:
 121                 fieldRef:
 122                   fieldPath: status.podIP
 123           ports: {{- include "common.containerPorts" . |indent 12 }}
 124           {{- if .Values.livenessProbe.enabled }}
 125           livenessProbe:
 126             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
 127             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
 128             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
 129             successThreshold: {{ .Values.livenessProbe.successThreshold }}
 130             failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
 131             httpGet:
 132               path: /_cluster/health?local=true
 133               port: 9200
 134           {{- end }}
 135           {{- if .Values.readinessProbe.enabled }}
 136           readinessProbe:
 137             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
 138             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
 139             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
 140             successThreshold: {{ .Values.livenessProbe.successThreshold }}
 141             failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
 142             httpGet:
 143               path: /_cluster/health?local=true
 144               port: 9200
 145           {{- end }}
 146           {{- if .Values.resources }}
 147           resources: {{- toYaml .Values.resources | nindent 12 }}
 148           {{- end }}
 149           volumeMounts:
 150             {{- if .Values.config }}
 151             - mountPath: /opt/bitnami/elasticsearch/config/elasticsearch.yml
 152               name: config
 153               subPath: elasticsearch.yml
 154             {{- end }}
 155             - name: data
 156               mountPath: /bitnami/elasticsearch/data
 157             {{- if .Values.extraVolumeMounts }}
 158             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
 159             {{- end }}
 160       volumes:
 161         {{- if .Values.config }}
 162         - name: config
 163           configMap:
 164             name: {{ include "common.fullname" . }}
 165         {{- end }}
 166         {{- if .Values.extraVolumes }}
 167         {{- toYaml .Values.extraVolumes | nindent 8 }}
 168         {{- end }}
 169 {{- if not .Values.persistence.enabled }}
 170         - name: "data"
 171           emptyDir: {}
 172 {{- else }}
 173   volumeClaimTemplates:
 174     - metadata:
 175         name: "data"
 176         {{- if .Values.persistence.annotations }}
 177         annotations: {{- toYaml .Values.persistence.annotations | nindent 10 }}
 178         {{- end }}
 179       spec:
 180         accessModes:
 181           - {{ .Values.persistence.accessMode }}
 182         storageClassName: {{ include "common.storageClass" (dict "dot" . "suffix" .Values.persistence.suffix) }}
 183         resources:
 184           requests:
 185             storage: {{ .Values.persistence.size | quote }}
 186 {{- end }}