kubernetes/common/postgres/templates/statefulset.yaml

   1 {{/*
   2 # Copyright © 2018 Amdocs, AT&T, Bell Canada
   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 apiVersion: apps/v1beta1
  17 kind: StatefulSet
  18 metadata:
  19   name: {{ include "common.fullname" . }}
  20   namespace: {{ include "common.namespace" . }}
  21   labels:
  22     app: {{ include "common.name" . }}
  23     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
  24     release: {{ .Release.Name }}
  25     heritage: {{ .Release.Service }}
  26 spec:
  27   serviceName: {{ .Values.service.name }}
  28   replicas: {{ .Values.replicaCount }}
  29   template:
  30     metadata:
  31       labels:
  32         app: {{ include "common.name" . }}
  33         release: {{ .Release.Name }}
  34     spec:
  35       initContainers:
  36       - command:
  37         - /bin/sh
  38         - -c
  39         - |
  40           for i in $(seq 0 $(({{ .Values.replicaCount }}-1))); do
  41             if [ ! -d /podroot/data$i ]; then
  42               mkdir -p /podroot/data$i;
  43               chown 26:26 /podroot/data$i;
  44               chmod 700 /podroot/data$i;
  45             fi;
  46           done
  47         env:
  48         - name: POD_NAME
  49           valueFrom: { fieldRef: { fieldPath: metadata.name } }
  50         securityContext:
  51           privileged: true
  52         image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.busyboxImage }}
  53         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  54         name: init-sysctl
  55         volumeMounts:
  56         - name: {{ include "common.fullname" . }}-init
  57           mountPath: /podroot/
  58       containers:
  59       - name: {{ include "common.name" . }}
  60         image: "{{ .Values.postgresRepository }}/{{ .Values.image }}"
  61         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  62         ports:
  63         - containerPort: {{ .Values.service.internalPort }}
  64           name: postgres
  65         # disable liveness probe when breakpoints set in debugger
  66         # so K8s doesn't restart unresponsive container
  67         {{- if eq .Values.liveness.enabled true }}
  68         livenessProbe:
  69           tcpSocket:
  70             port: {{ .Values.service.internalPort }}
  71           initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
  72           periodSeconds: {{ .Values.liveness.periodSeconds }}
  73           timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
  74         {{end -}}
  75         readinessProbe:
  76           tcpSocket:
  77             port: {{ .Values.service.internalPort }}
  78           initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
  79           periodSeconds: {{ .Values.readiness.periodSeconds }}
  80         env:
  81         - name: PGHOST
  82           value: /tmp
  83         - name: PG_PRIMARY_USER
  84           value: primaryuser
  85         - name: PG_MODE
  86           value: set
  87         - name: PG_PRIMARY_HOST
  88           value: "{{.Values.container.name.primary}}"
  89         - name: PG_REPLICA_HOST
  90           value: "{{.Values.container.name.replica}}"
  91         - name: PG_PRIMARY_PORT
  92           value: "{{.Values.service.internalPort}}"
  93         - name: PG_PRIMARY_PASSWORD
  94           valueFrom:
  95             secretKeyRef:
  96               name: {{ template "common.fullname" . }}
  97               key: pg-primary-password
  98         - name: PG_USER
  99           value: "{{.Values.config.pgUserName}}"
 100         - name: PG_PASSWORD
 101           valueFrom:
 102             secretKeyRef:
 103               name: {{ template "common.fullname" . }}
 104               key: pg-user-password
 105         - name: PG_DATABASE
 106           value: "{{.Values.config.pgDatabase}}"
 107         - name: PG_ROOT_PASSWORD
 108           valueFrom:
 109             secretKeyRef:
 110               name: {{ template "common.fullname" . }}
 111               key: pg-root-password
 112         volumeMounts:
 113         - mountPath: /pgdata
 114           name: {{ include "common.fullname" . }}-data
 115         - mountPath: /backup
 116           name: {{ include "common.fullname" . }}-backup
 117           readOnly: true
 118         resources:
 119 {{ toYaml .Values.resources | indent 12 }}
 120         {{- if .Values.nodeSelector }}
 121         nodeSelector:
 122 {{ toYaml .Values.nodeSelector | indent 10 }}
 123         {{- end -}}
 124         {{- if .Values.affinity }}
 125         affinity:
 126 {{ toYaml .Values.affinity | indent 10 }}
 127         {{- end }}
 128       volumes:
 129       - name: localtime
 130         hostPath:
 131           path: /etc/localtime
 132       - name: {{ include "common.fullname" . }}-init
 133         hostPath:
 134           path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountInitPath }}
 135       - name: {{ include "common.fullname" . }}-backup
 136         emptyDir: {}
 137 #{{ if not .Values.persistence.enabled }}
 138       - name: {{ include "common.fullname" . }}-data
 139         emptyDir: {}
 140 #{{ else }}
 141   volumeClaimTemplates:
 142   - metadata:
 143       name: {{ include "common.fullname" . }}-data
 144       labels:
 145         name: {{ include "common.fullname" . }}
 146     spec:
 147       accessModes: [ {{ .Values.persistence.accessMode }} ]
 148       storageClassName: {{ include "common.fullname" . }}-data
 149       resources:
 150         requests:
 151           storage: {{ .Values.persistence.size }}
 152 #{{ end }}