helm/dbaas/templates/statefulset.yaml

   1 ################################################################################
   2 #   Copyright (c) 2019 AT&T Intellectual Property.                             #
   3 #   Copyright (c) 2019 Nokia.                                                  #
   4 #                                                                              #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");            #
   6 #   you may not use this file except in compliance with the License.           #
   7 #   You may obtain a copy of the License at                                    #
   8 #                                                                              #
   9 #       http://www.apache.org/licenses/LICENSE-2.0                             #
  10 #                                                                              #
  11 #   Unless required by applicable law or agreed to in writing, software        #
  12 #   distributed under the License is distributed on an "AS IS" BASIS,          #
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
  14 #   See the License for the specific language governing permissions and        #
  15 #   limitations under the License.                                             #
  16 ################################################################################
  17 {{- $ctx := dict "ctx" . "defaultregistry" .Values.dbaas.image.registry }}
  18 ---
  19 apiVersion: apps/v1
  20 kind: StatefulSet
  21 metadata:
  22   name: {{ include "common.statefulsetname.dbaas" . }}-server
  23   namespace: {{ include "common.namespace.platform" . }}
  24   labels:
  25     app: {{ include "common.namespace.platform" . }}-{{ include "common.name.dbaas" . }}
  26     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
  27     release: {{ .Release.Name }}
  28     heritage: {{ .Release.Service }}
  29 spec:
  30   selector:
  31     matchLabels:
  32       app: {{ include "common.namespace.platform" . }}-{{ include "common.name.dbaas" . }}
  33       release: {{ .Release.Name }}
  34   serviceName: {{ template "common.servicename.dbaas.tcp" . }}
  35 {{- if $.Values.dbaas.enableHighAvailability }}
  36   replicas: {{ .Values.dbaas.haReplicas }}
  37 {{- else }}
  38   replicas: {{ .Values.dbaas.saReplicas }}
  39 {{- end }}
  40   podManagementPolicy: OrderedReady
  41   updateStrategy:
  42     type: RollingUpdate
  43   template:
  44     metadata:
  45       labels:
  46         app: {{ include "common.namespace.platform" . }}-{{ include "common.name.dbaas" . }}
  47         release: {{ .Release.Name }}
  48     spec:
  49 {{- if $.Values.dbaas.enablePodAntiAffinity }}
  50       affinity:
  51         podAntiAffinity:
  52           requiredDuringSchedulingIgnoredDuringExecution:
  53             - labelSelector:
  54                 matchLabels:
  55                   app: {{ include "common.namespace.platform" . }}-{{ include "common.name.dbaas" . }}
  56                   release: {{ .Release.Name }}
  57               topologyKey: kubernetes.io/hostname
  58           preferredDuringSchedulingIgnoredDuringExecution:
  59             - weight: 100
  60               podAffinityTerm:
  61                 labelSelector:
  62                   matchLabels:
  63                     app: {{ include "common.namespace.platform" . }}-{{ include "common.name.dbaas" . }}
  64                     release: {{ .Release.Name }}
  65                 topologyKey: topology.kubernetes.io/zone
  66 {{- end }}
  67       imagePullSecrets:
  68         {{- $ctx := dict "ctx" . "defaultregistry" .Values.dbaas.image.registry }}
  69         - name: {{ include "common.dockerregistry.credential" $ctx }}
  70       terminationGracePeriodSeconds: {{ .Values.dbaas.terminationGracePeriodSeconds }}
  71 {{- if $.Values.dbaas.enableHighAvailability }}
  72       initContainers:
  73       - name: config-init
  74         image: {{ include "common.dockerregistry.url" $ctx }}/{{ .Values.dbaas.image.name }}:{{ .Values.dbaas.image.tag }}
  75         imagePullPolicy: {{ include "common.dockerregistry.pullpolicy" $ctx  }}
  76         command:
  77         - sh
  78         args:
  79         - /readonly-config/init.sh
  80         env:
  81         - name: ANNOUNCE_IP
  82           valueFrom:
  83             fieldRef:
  84               fieldPath: status.podIP
  85         volumeMounts:
  86         - name: config
  87           mountPath: /readonly-config
  88           readOnly: true
  89         - name: data
  90           mountPath: /data
  91 {{- end }}
  92       shareProcessNamespace: true
  93       containers:
  94       - name: {{ include "common.containername.dbaas" . }}-redis
  95         image: {{ include "common.dockerregistry.url" $ctx }}/{{ .Values.dbaas.image.name }}:{{ .Values.dbaas.image.tag }}
  96         imagePullPolicy: {{ include "common.dockerregistry.pullpolicy" $ctx  }}
  97         command:
  98         - redis-server
  99         args:
 100 {{- if $.Values.dbaas.enableHighAvailability }}
 101         - /data/conf/redis.conf
 102 {{- else }}
 103         - /data/redis.conf
 104 {{- end }}
 105         livenessProbe:
 106           exec:
 107             command:
 108             - /bin/sh
 109             - -c
 110             - {{ .Values.dbaas.probeTimeoutCommand }} {{ .Values.dbaas.probeTimeout }} redis-cli -p {{ include "common.serviceport.dbaas.redis" . }} ping
 111           initialDelaySeconds: 15
 112           periodSeconds: 5
 113         readinessProbe:
 114           exec:
 115             command:
 116             - /bin/sh
 117             - -c
 118             - {{ .Values.dbaas.probeTimeoutCommand }} {{ .Values.dbaas.probeTimeout }} redis-cli -p {{ include "common.serviceport.dbaas.redis" . }} ping
 119           initialDelaySeconds: 15
 120           periodSeconds: 5
 121         ports:
 122         - name: redis
 123           containerPort: {{ include "common.serviceport.dbaas.redis" . }}
 124         envFrom:
 125         - configMapRef:
 126             name: {{ include "common.configmapname.dbaas" . }}-appconfig
 127         volumeMounts:
 128         - mountPath: /data
 129 {{- if $.Values.dbaas.enableHighAvailability }}
 130           name: data
 131       - name: {{ include "common.containername.dbaas" . }}-sentinel
 132         image: {{ include "common.dockerregistry.url" $ctx }}/{{ .Values.dbaas.image.name }}:{{ .Values.dbaas.image.tag }}
 133         imagePullPolicy: {{ include "common.dockerregistry.pullpolicy" $ctx  }}
 134         command:
 135           - redis-server
 136         args:
 137           - /data/conf/sentinel.conf
 138           - --sentinel
 139         livenessProbe:
 140           exec:
 141             command:
 142             - /bin/sh
 143             - -c
 144             - {{ .Values.dbaas.probeTimeoutCommand }} {{ .Values.dbaas.probeTimeout }} redis-cli -p {{ include "common.serviceport.dbaas.redis" . }} ping
 145           initialDelaySeconds: 15
 146           periodSeconds: 5
 147         readinessProbe:
 148           exec:
 149             command:
 150             - /bin/sh
 151             - -c
 152             - {{ .Values.dbaas.probeTimeoutCommand }} {{ .Values.dbaas.probeTimeout }} redis-cli -p {{ include "common.serviceport.dbaas.redis" . }} ping
 153           initialDelaySeconds: 15
 154           periodSeconds: 5
 155         ports:
 156           - name: sentinel
 157             containerPort: {{ include "common.serviceport.dbaas.sentinel" . }}
 158         envFrom:
 159         - configMapRef:
 160             name: {{ include "common.configmapname.dbaas" . }}-appconfig
 161         volumeMounts:
 162         - mountPath: /data
 163           name: data
 164 {{- else }}
 165           name: config
 166 {{- end }}
 167       volumes:
 168       - name: config
 169         configMap:
 170           name: {{ template "common.configmapname.dbaas" . }}-config
 171 {{- if $.Values.dbaas.enableHighAvailability }}
 172       - name: data
 173         emptyDir: {}
 174 {{- end }}