kubernetes/common/mariadb-galera/templates/statefulset.yaml

   1 {{/*
   2 # Copyright © 2018 Amdocs
   3 # Copyright © 2018,2021 Bell Canada
   4 # Copyright © 2019 Samsung Electronics
   5 # Copyright © 2019-2020 Orange
   6 # Copyright © 2020 Bitnami
   7 #
   8 # Licensed under the Apache License, Version 2.0 (the "License");
   9 # you may not use this file except in compliance with the License.
  10 # You may obtain a copy of the License at
  11 #
  12 #       http://www.apache.org/licenses/LICENSE-2.0
  13 #
  14 # Unless required by applicable law or agreed to in writing, software
  15 # distributed under the License is distributed on an "AS IS" BASIS,
  16 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17 # See the License for the specific language governing permissions and
  18 # limitations under the License.
  19 */}}
  20
  21 apiVersion: apps/v1
  22 kind: StatefulSet
  23 metadata: {{- include "common.resourceMetadata" . | nindent 2 }}
  24 spec:
  25   podManagementPolicy: {{ .Values.podManagementPolicy }}
  26   replicas: {{ .Values.replicaCount }}
  27   selector: {{- include "common.selectors" . | nindent 4 }}
  28   serviceName: {{ include "common.servicename" . }}-headless
  29   updateStrategy:
  30     type: {{ .Values.updateStrategy.type }}
  31     {{- if (eq "Recreate" .Values.updateStrategy.type) }}
  32     rollingUpdate: null
  33     {{- end }}
  34   template:
  35     metadata: {{- include "common.templateMetadata" . | nindent 6 }}
  36     spec:
  37       {{ include "common.podSecurityContext" . | indent 6  | trim }}
  38       initContainers:
  39         # we shouldn't need this but for unknown reason, it's fsGroup is not
  40         # applied
  41         - name: fix-permission
  42           command:
  43             - /bin/sh
  44           args:
  45             - -c
  46             - |
  47               chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /data
  48               chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /bootstrap/
  49               chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /tmp/
  50               {{- if .Values.mariadbConfiguration }}
  51               cp /config/my.cnf /actual/my.cnf
  52               chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /actual
  53               {{- end }}
  54           image: {{ include "repositoryGenerator.image.busybox" . }}
  55           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  56           securityContext:
  57             runAsUser: 0
  58           volumeMounts:
  59             - name: previous-boot
  60               mountPath: /bootstrap
  61             - name: mariadb-tmp-folder
  62               mountPath: /tmp
  63             - name: {{ include "common.fullname" . }}
  64               mountPath: /data
  65             {{- if .Values.mariadbConfiguration }}
  66             - name: mariadb-galera-starting-config
  67               mountPath: /config/my.cnf
  68               subPath: my.cnf
  69             - name: mariadb-galera-actual-config
  70               mountPath: /actual
  71             {{- end }}
  72       containers:
  73         - name: {{ include "common.name" . }}
  74           image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
  75           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy | quote}}
  76           command:
  77             - bash
  78             - -ec
  79             - |
  80                 {{- if (not (empty (.Values.galera.bootstrap.bootstrapFromNode | quote)))}}
  81                 {{- $fullname := include "common.fullname" . }}
  82                 {{- $bootstrapFromNode := int .Values.galera.bootstrap.bootstrapFromNode }}
  83                 # Bootstrap from the indicated node
  84                 NODE_ID="${MY_POD_NAME#"{{ $fullname }}-"}"
  85                 if [[ "$NODE_ID" -eq "{{ $bootstrapFromNode }}" ]]; then
  86                     export MARIADB_GALERA_CLUSTER_BOOTSTRAP=yes
  87                     export MARIADB_GALERA_FORCE_SAFETOBOOTSTRAP={{ ternary "yes" "no" .Values.galera.bootstrap.forceSafeToBootstrap }}
  88                 fi
  89                 {{- end }}
  90                 exec /opt/bitnami/scripts/mariadb-galera/entrypoint.sh /opt/bitnami/scripts/mariadb-galera/run.sh
  91           env:
  92             - name: MY_POD_NAME
  93               valueFrom:
  94                 fieldRef:
  95                   fieldPath: metadata.name
  96             - name: BITNAMI_DEBUG
  97               value: {{ ternary "true" "false" .Values.debug | quote }}
  98             - name: MARIADB_INIT_SLEEP_TIME
  99               value: {{ .Values.init_sleep_time | quote }}
 100             - name: MARIADB_GALERA_CLUSTER_NAME
 101               value: {{ .Values.galera.name | quote }}
 102             - name: MARIADB_GALERA_CLUSTER_ADDRESS
 103               value: "gcomm://{{ template "common.name" . }}-headless.{{ include "common.namespace" . }}.svc.{{ .Values.global.clusterDomain }}"
 104             # Bitnami init script don't behave well in dual stack env.
 105             # set it here as long as https://github.com/bitnami/charts/issues/4077 is not solved.
 106             - name: MARIADB_GALERA_NODE_ADDRESS
 107               valueFrom:
 108                 fieldRef:
 109                   fieldPath: status.podIP
 110             - name: MARIADB_ROOT_USER
 111               value: {{ .Values.rootUser.user | quote }}
 112             - name: MARIADB_ROOT_PASSWORD
 113               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.rootPassUID" .) "key" "password") | indent 14 }}
 114             - name: MARIADB_USER
 115               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.userCredentialsUID" .) "key" "login") | indent 14 }}
 116             - name: MARIADB_PASSWORD
 117               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.userCredentialsUID" .) "key" "password") | indent 14 }}
 118             - name: MARIADB_DATABASE
 119               value: {{ .Values.db.name | quote }}
 120             - name: MARIADB_GALERA_MARIABACKUP_USER
 121               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.backupCredentialsUID" .) "key" "login") | indent 14 }}
 122             - name: MARIADB_GALERA_MARIABACKUP_PASSWORD
 123               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.backupCredentialsUID" .) "key" "password") | indent 14 }}
 124             {{- if .Values.extraFlags }}
 125             - name: MARIADB_EXTRA_FLAGS
 126               value: {{ .Values.extraFlags | quote }}
 127             {{- end }}
 128           ports: {{ include "common.containerPorts" . | nindent 12  }}
 129           {{- if .Values.livenessProbe.enabled }}
 130           livenessProbe:
 131             exec:
 132               command:
 133                 - sh
 134                 - -ec
 135                 - |
 136                   exec mysqladmin status -u$MARIADB_ROOT_USER -p$MARIADB_ROOT_PASSWORD
 137             initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
 138             periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
 139             timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
 140             successThreshold: {{ .Values.livenessProbe.successThreshold }}
 141             failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
 142           {{- end }}
 143           {{- if .Values.readinessProbe.enabled }}
 144           readinessProbe:
 145             exec:
 146               command:
 147                 - sh
 148                 - -ec
 149                 - |
 150                   exec mysqladmin status -u$MARIADB_ROOT_USER -p$MARIADB_ROOT_PASSWORD
 151             initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
 152             periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
 153             timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
 154             successThreshold: {{ .Values.readinessProbe.successThreshold }}
 155             failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
 156           {{- end }}
 157           {{- if .Values.startupProbe.enabled }}
 158           startupProbe:
 159             exec:
 160               command:
 161                 - sh
 162                 - -ec
 163                 - |
 164                   exec mysqladmin status -u$MARIADB_ROOT_USER -p$MARIADB_ROOT_PASSWORD
 165             initialDelaySeconds: {{ .Values.startupProbe.initialDelaySeconds }}
 166             periodSeconds: {{ .Values.startupProbe.periodSeconds }}
 167             timeoutSeconds: {{ .Values.startupProbe.timeoutSeconds }}
 168             successThreshold: {{ .Values.startupProbe.successThreshold }}
 169             failureThreshold: {{ .Values.startupProbe.failureThreshold }}
 170           {{- end }}
 171           resources: {{ include "common.resources" . | nindent 12 }}
 172           volumeMounts:
 173             - name: previous-boot
 174               mountPath: /opt/bitnami/mariadb/.bootstrap
 175             - name: {{ include "common.fullname" . }}
 176               mountPath: /bitnami/mariadb
 177             - name: mariadb-tmp-folder
 178               mountPath: /opt/bitnami/mariadb/tmp
 179             {{- if .Values.mariadbConfiguration }}
 180             - name: mariadb-galera-actual-config
 181               mountPath: /opt/bitnami/mariadb/conf
 182             {{- end }}
 183         {{- if default false .Values.global.metrics.enabled }}
 184         - name: {{ include "common.name" . }}-metrics
 185           image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.metrics.image }}
 186           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.metrics.pullPolicy | quote}}
 187           env:
 188             - name: MARIADB_METRICS_EXTRA_FLAGS
 189               value: {{ default "" (join " " .Values.metrics.extraFlags) | quote }}
 190             - name: MARIADB_ROOT_USER
 191               value: {{ .Values.rootUser.user | quote }}
 192             - name: MARIADB_ROOT_PASSWORD
 193               {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.rootPassUID" .) "key" "password") | indent 14}}
 194           command:
 195             - sh
 196             - -c
 197             - |
 198               DATA_SOURCE_NAME="$MARIADB_ROOT_USER:$MARIADB_ROOT_PASSWORD@(localhost:3306)/" /bin/mysqld_exporter $MARIADB_METRICS_EXTRA_FLAGS
 199           ports:
 200             - name: tcp-metrics
 201               containerPort: 9104
 202           livenessProbe:
 203             httpGet:
 204               path: /metrics
 205               port: tcp-metrics
 206             initialDelaySeconds: {{ .Values.metrics.livenessProbe.initialDelaySeconds }}
 207             periodSeconds: {{ .Values.metrics.livenessProbe.periodSeconds }}
 208             timeoutSeconds: {{ .Values.metrics.livenessProbe.timeoutSeconds }}
 209             successThreshold: {{ .Values.metrics.livenessProbe.successThreshold }}
 210             failureThreshold: {{ .Values.metrics.livenessProbe.failureThreshold }}
 211           readinessProbe:
 212             httpGet:
 213               path: /metrics
 214               port: tcp-metrics
 215             initialDelaySeconds: {{ .Values.metrics.readinessProbe.initialDelaySeconds }}
 216             periodSeconds: {{ .Values.metrics.readinessProbe.periodSeconds }}
 217             timeoutSeconds: {{ .Values.metrics.readinessProbe.timeoutSeconds }}
 218             successThreshold: {{ .Values.metrics.readinessProbe.successThreshold }}
 219             failureThreshold: {{ .Values.metrics.readinessProbe.failureThreshold }}
 220           {{ include "common.containerSecurityContext" . | indent 10 | trim }}
 221           resources: {{- toYaml .Values.metrics.resources | nindent 12 }}
 222         {{- end }}
 223       imagePullSecrets:
 224         - name: {{ include "common.namespace" . }}-docker-registry-key
 225       {{- if .Values.schedulerName }}
 226       schedulerName: {{ .Values.schedulerName | quote }}
 227       {{- end }}
 228       {{- if .Values.priorityClassName }}
 229       priorityClassName: {{ .Values.priorityClassName }}
 230       {{- end }}
 231       serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
 232       {{- if .Values.affinity }}
 233       affinity: {{- include "common.tplValue" ( dict "value" .Values.affinity "context" $) | nindent 8 }}
 234       {{- else }}
 235       affinity:
 236         podAffinity: {{- include "common.affinities.pods" (dict "type" .Values.podAffinityPreset "context" $) | nindent 10 }}
 237         podAntiAffinity: {{- include "common.affinities.pods" (dict "type" .Values.podAntiAffinityPreset "context" $) | nindent 10 }}
 238         nodeAffinity: {{- include "common.affinities.nodes" (dict "type" .Values.nodeAffinityPreset.type "key" .Values.nodeAffinityPreset.key "values" .Values.nodeAffinityPreset.values) | nindent 10 }}
 239       {{- end }}
 240       {{- if .Values.nodeSelector }}
 241       nodeSelector: {{- include "common.tplValue" ( dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
 242       {{- end }}
 243       {{- if .Values.tolerations }}
 244       tolerations: {{- include "common.tplValue" (dict "value" .Values.tolerations "context" .) | nindent 8 }}
 245       {{- end }}
 246       volumes:
 247         - name: previous-boot
 248           emptyDir: {}
 249         - name: mariadb-tmp-folder
 250           emptyDir: {}
 251         {{- if .Values.mariadbConfiguration  }}
 252         - name:  mariadb-galera-actual-config
 253           emptyDir: {}
 254         - name: mariadb-galera-starting-config
 255           configMap:
 256             name: {{ printf "%s-configuration" (include "common.fullname" .) }}
 257         {{- end }}
 258 {{- if and .Values.persistence.enabled .Values.persistence.existingClaim }}
 259         - name: {{ include "common.fullname" . }}
 260           persistentVolumeClaim:
 261             claimName: {{ .Values.persistence.existingClaim }}
 262 {{- else if not .Values.persistence.enabled }}
 263         - name: {{ include "common.fullname" . }}
 264           emptyDir: {}
 265 {{- else if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
 266   volumeClaimTemplates:
 267     - {{ include "common.PVCTemplate" (dict "dot" . "suffix" "data" "persistenceInfos" .Values.persistence) | indent 6 | trim }}
 268 {{- end }}