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

   1 # Copyright © 2018 Amdocs, Bell Canada
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #       http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 apiVersion: apps/v1beta1
  16 kind: StatefulSet
  17 metadata:
  18   name: {{ include "common.fullname" . }}
  19   namespace: {{ include "common.namespace" . }}
  20   labels:
  21     app: {{ include "common.fullname" . }}
  22     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
  23     release: "{{ .Release.Name }}"
  24     heritage: "{{ .Release.Service }}"
  25 spec:
  26   serviceName: {{ include "common.fullname" . }}
  27   replicas: {{ .Values.replicaCount }}
  28   template:
  29     metadata:
  30       labels:
  31         app: {{ include "common.fullname" . }}
  32       annotations:
  33         pod.alpha.kubernetes.io/initialized: "true"
  34     spec:
  35     {{- if .Values.nodeSelector }}
  36       nodeSelector:
  37 {{ toYaml .Values.nodeSelector | indent 8 }}
  38     {{- end }}
  39       volumes:
  40       {{- if .Values.externalConfig }}
  41         - name: config
  42           configMap:
  43             name: {{ include "common.fullname" . }}-externalConfig
  44       {{- end}}
  45         - name: localtime
  46           hostPath:
  47             path: /etc/localtime
  48       imagePullSecrets:
  49       - name: {{ include "common.namespace" . }}-docker-registry-key
  50       containers:
  51         - name: {{ include "common.fullname" . }}
  52           image: "{{ include "common.repository" . }}/{{ .Values.image }}"
  53           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy | quote}}
  54           env:
  55             - name: POD_NAMESPACE
  56               valueFrom:
  57                 fieldRef:
  58                   apiVersion: v1
  59                   fieldPath: metadata.namespace
  60             - name: MYSQL_USER
  61               value: {{ default "" .Values.config.userName | quote }}
  62             - name: MYSQL_PASSWORD
  63               valueFrom:
  64                 secretKeyRef:
  65                   name: {{ template "common.fullname" . }}
  66                   key: user-password
  67             - name: MYSQL_DATABASE
  68               value: {{ default "" .Values.config.mysqlDatabase | quote }}
  69             - name: MYSQL_ROOT_PASSWORD
  70               valueFrom:
  71                 secretKeyRef:
  72                   name: {{ template "common.fullname" . }}
  73                   key: db-root-password
  74           ports:
  75           - containerPort: {{ .Values.service.internalPort }}
  76             name: {{ .Values.service.name }}
  77           - containerPort: {{ .Values.service.sstPort }}
  78             name: {{ .Values.service.sstName }}
  79           - containerPort: {{ .Values.service.replicationPort }}
  80             name: {{ .Values.service.replicationName }}
  81           - containerPort: {{ .Values.service.istPort }}
  82             name: {{ .Values.service.istName }}
  83           readinessProbe:
  84             exec:
  85               command:
  86               - /usr/share/container-scripts/mysql/readiness-probe.sh
  87             initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
  88             periodSeconds: {{ .Values.readiness.periodSeconds }}
  89       {{- if eq .Values.liveness.enabled true }}
  90           livenessProbe:
  91             exec:
  92               command: ["mysqladmin", "ping"]
  93             initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
  94             periodSeconds: {{ .Values.liveness.periodSeconds }}
  95             timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
  96       {{- end }}
  97           resources:
  98 {{ toYaml .Values.resources | indent 12 }}
  99           volumeMounts:
 100         {{- if .Values.externalConfig }}
 101           - mountPath: /etc/config
 102             name: config
 103         {{- end}}
 104           - mountPath: /etc/localtime
 105             name: localtime
 106             readOnly: true
 107 {{- if .Values.persistence.enabled }}
 108           - mountPath: /var/lib/mysql
 109             name: {{ include "common.fullname" . }}-data
 110             subPath: data
 111       initContainers:
 112         - name: mariadb-galera-prepare
 113           image: "{{ include "common.repository" . }}/{{ .Values.imageInit }}"
 114           command: ["sh", "-c", "chown -R 27:27 /var/lib/mysql"]
 115           volumeMounts:
 116             - name: {{ include "common.fullname" . }}-data
 117               mountPath: /var/lib/mysql
 118   volumeClaimTemplates:
 119   - metadata:
 120       name: {{ include "common.fullname" . }}-data
 121       annotations:
 122   {{- if .Values.persistence.storageClass }}
 123         volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass | quote }}
 124   {{- else }}
 125         volume.alpha.kubernetes.io/storage-class: default
 126   {{- end }}
 127     spec:
 128       accessModes:
 129       - {{ .Values.persistence.accessMode | quote }}
 130       resources:
 131         requests:
 132           storage: {{ .Values.persistence.size | quote }}
 133 {{- end }}