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 $(({{ .Values.replicaCount }}-1))); do mkdir -p /podroot/data$i; done
  41           chmod 777 /podroot/*
  42         env:
  43         - name: POD_NAME
  44           valueFrom: { fieldRef: { fieldPath: metadata.name } }
  45         securityContext:
  46           privileged: true
  47         image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.busyboxImage }}
  48         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  49         name: init-sysctl
  50         volumeMounts:
  51         - name: {{ include "common.fullname" . }}-init
  52           mountPath: /podroot/
  53       containers:
  54       - name: {{ include "common.name" . }}
  55         image: "{{ .Values.postgresRepository }}/{{ .Values.image }}"
  56         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
  57         ports:
  58         - containerPort: {{ .Values.service.internalPort }}
  59           name: postgres
  60         # disable liveness probe when breakpoints set in debugger
  61         # so K8s doesn't restart unresponsive container
  62         {{- if eq .Values.liveness.enabled true }}
  63         livenessProbe:
  64           tcpSocket:
  65             port: {{ .Values.service.internalPort }}
  66           initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
  67           periodSeconds: {{ .Values.liveness.periodSeconds }}
  68           timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
  69         {{end -}}
  70         readinessProbe:
  71           tcpSocket:
  72             port: {{ .Values.service.internalPort }}
  73           initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
  74           periodSeconds: {{ .Values.readiness.periodSeconds }}
  75         env:
  76         - name: PGHOST
  77           value: /tmp
  78         - name: PG_PRIMARY_USER
  79           value: primaryuser
  80         - name: PG_MODE
  81           value: set
  82         - name: PG_PRIMARY_HOST
  83           value: "{{.Values.container.name.primary}}"
  84         - name: PG_REPLICA_HOST
  85           value: "{{.Values.container.name.replica}}"
  86         - name: PG_PRIMARY_PORT
  87           value: "{{.Values.service.internalPort}}"
  88         - name: PG_PRIMARY_PASSWORD
  89           valueFrom:
  90             secretKeyRef:
  91               name: {{ template "common.fullname" . }}
  92               key: pg-primary-password
  93         - name: PG_USER
  94           value: "{{.Values.config.pgUserName}}"
  95         - name: PG_PASSWORD
  96           valueFrom:
  97             secretKeyRef:
  98               name: {{ template "common.fullname" . }}
  99               key: pg-user-password
 100         - name: PG_DATABASE
 101           value: "{{.Values.config.pgDatabase}}"
 102         - name: PG_ROOT_PASSWORD
 103           valueFrom:
 104             secretKeyRef:
 105               name: {{ template "common.fullname" . }}
 106               key: pg-root-password
 107         volumeMounts:
 108         - mountPath: /pgdata
 109           name: {{ include "common.fullname" . }}-data
 110         - mountPath: /backup
 111           name: {{ include "common.fullname" . }}-backup
 112           readOnly: true
 113         resources:
 114 {{ toYaml .Values.resources | indent 12 }}
 115         {{- if .Values.nodeSelector }}
 116         nodeSelector:
 117 {{ toYaml .Values.nodeSelector | indent 10 }}
 118         {{- end -}}
 119         {{- if .Values.affinity }}
 120         affinity:
 121 {{ toYaml .Values.affinity | indent 10 }}
 122         {{- end }}
 123       volumes:
 124       - name: localtime
 125         hostPath:
 126           path: /etc/localtime
 127       - name: {{ include "common.fullname" . }}-init
 128         hostPath:
 129           path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Namespace }}/{{ .Values.persistence.mountInitPath }}
 130       - name: {{ include "common.fullname" . }}-backup
 131         emptyDir: {}
 132 #{{ if not .Values.persistence.enabled }}
 133       - name: {{ include "common.fullname" . }}-data
 134         emptyDir: {}
 135 #{{ else }}
 136   volumeClaimTemplates:
 137   - metadata:
 138       name: {{ include "common.fullname" . }}-data
 139       labels:
 140         name: {{ include "common.fullname" . }}
 141     spec:
 142       accessModes: [ {{ .Values.persistence.accessMode }} ]
 143       storageClassName: {{ include "common.fullname" . }}-data
 144       resources:
 145         requests:
 146           storage: {{ .Values.persistence.size }}
 147 #{{ end }}