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: {{ .Values.service.name }}
  27   replicas: {{ .Values.replicaCount }}
  28   template:
  29     metadata:
  30       labels:
  31         app: {{ include "common.fullname" . }}
  32         chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
  33         release: "{{ .Release.Name }}"
  34         heritage: "{{ .Release.Service }}"
  35       annotations:
  36         pod.alpha.kubernetes.io/initialized: "true"
  37     spec:
  38     {{- if .Values.nodeSelector }}
  39       nodeSelector:
  40 {{ toYaml .Values.nodeSelector | indent 8 }}
  41     {{- end }}
  42       volumes:
  43       {{- if .Values.externalConfig }}
  44         - name: config
  45           configMap:
  46             name: {{ include "common.fullname" . }}-external-config
  47       {{- end}}
  48         - name: localtime
  49           hostPath:
  50             path: /etc/localtime
  51       imagePullSecrets:
  52       - name: {{ include "common.namespace" . }}-docker-registry-key
  53       containers:
  54         - name: {{ include "common.name" . }}
  55           image: "{{ include "common.repository" . }}/{{ .Values.image }}"
  56           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy | quote}}
  57           env:
  58             - name: POD_NAMESPACE
  59               valueFrom:
  60                 fieldRef:
  61                   apiVersion: v1
  62                   fieldPath: metadata.namespace
  63             - name: MYSQL_USER
  64               value: {{ default "" .Values.config.userName | quote }}
  65             - name: MYSQL_PASSWORD
  66               valueFrom:
  67                 secretKeyRef:
  68                   name: {{ template "common.fullname" . }}
  69                   key: user-password
  70             - name: MYSQL_DATABASE
  71               value: {{ default "" .Values.config.mysqlDatabase | quote }}
  72             - name: MYSQL_ROOT_PASSWORD
  73               valueFrom:
  74                 secretKeyRef:
  75                   name: {{ template "common.fullname" . }}
  76                   key: db-root-password
  77           ports:
  78           - containerPort: {{ .Values.service.internalPort }}
  79             name: {{ .Values.service.portName }}
  80           - containerPort: {{ .Values.service.sstPort }}
  81             name: {{ .Values.service.sstPortName }}
  82           - containerPort: {{ .Values.service.replicationPort }}
  83             name: {{ .Values.service.replicationName }}
  84           - containerPort: {{ .Values.service.istPort }}
  85             name: {{ .Values.service.istPortName }}
  86           readinessProbe:
  87             exec:
  88               command:
  89               - /usr/share/container-scripts/mysql/readiness-probe.sh
  90             initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
  91             periodSeconds: {{ .Values.readiness.periodSeconds }}
  92       {{- if eq .Values.liveness.enabled true }}
  93           livenessProbe:
  94             exec:
  95               command: ["mysqladmin", "ping"]
  96             initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
  97             periodSeconds: {{ .Values.liveness.periodSeconds }}
  98             timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
  99       {{- end }}
 100           resources:
 101 {{ include "common.resources" . | indent 12 }}
 102           volumeMounts:
 103         {{- if .Values.externalConfig }}
 104           - mountPath: /etc/config
 105             name: config
 106         {{- end}}
 107           - mountPath: /etc/localtime
 108             name: localtime
 109             readOnly: true
 110 {{- if .Values.persistence.enabled }}
 111           - mountPath: /var/lib/mysql
 112             name: {{ include "common.fullname" . }}-data
 113       initContainers:
 114         - name: mariadb-galera-prepare
 115           image: "{{ include "common.repository" . }}/{{ .Values.imageInit }}"
 116           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy | quote}}
 117           command: ["sh", "-c", "chown -R 27:27 /var/lib/mysql"]
 118           volumeMounts:
 119             - name: {{ include "common.fullname" . }}-data
 120               mountPath: /var/lib/mysql
 121   volumeClaimTemplates:
 122   - metadata:
 123       name: {{ include "common.fullname" . }}-data
 124       labels:
 125         name: {{ include "common.fullname" . }}
 126         chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
 127         release: "{{ .Release.Name }}"
 128         heritage: "{{ .Release.Service }}"
 129     spec:
 130       accessModes:
 131       - {{ .Values.persistence.accessMode | quote }}
 132       storageClassName: {{ include "common.fullname" . }}-data
 133       resources:
 134         requests:
 135           storage: {{ .Values.persistence.size | quote }}
 136       selector:
 137         matchLabels:
 138           name: {{ include "common.fullname" . }}
 139 {{- end }}