kubernetes/common/mongo/templates/statefulset.yaml

{{/*
# Copyright © 2018 Orange
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/}}

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "common.fullname" . }}
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ include "common.release" . }}
    heritage: {{ .Release.Service }}
spec:
  serviceName: {{ .Values.service.name }}
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app: {{ include "common.name" . }}
  template:
    metadata:
      labels:
        app: {{ include "common.name" . }}
        release: {{ include "common.release" . }}
    spec:
{{ include "common.podSecurityContext" . | indent 6 }}
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"
      initContainers:
        # we shouldn't need this but for unknown reason, it's fsGroup is not
        # applied
        - name: fix-permission
          command:
            - /bin/sh
          args:
            - -c
            - |
              chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /data
          image: {{ include "repositoryGenerator.image.busybox" . }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          securityContext:
            runAsUser: 0
          volumeMounts:
            - name: {{ include "common.fullname" . }}-data
              mountPath: /data
      containers:
        - name: {{ include "common.name" . }}
          image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          command:
          - docker-entrypoint.sh
          args:
          - --nounixsocket
          env:
            - name: MONGO_INITDB_DATABASE
              value: "{{ .Values.config.dbName }}"
          ports:
          - containerPort: {{ .Values.service.internalPort }}
          # disable liveness probe when breakpoints set in debugger
          # so K8s doesn't restart unresponsive container
          {{- if eq .Values.liveness.enabled true }}
          livenessProbe:
            exec:
              command:
                - mongo
                - --eval
                - "db.adminCommand('ping')"
            initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
            periodSeconds: {{ .Values.liveness.periodSeconds }}
            timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
          {{end -}}
          readinessProbe:
            tcpSocket:
              port: {{ .Values.service.internalPort }}
            initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
            periodSeconds: {{ .Values.readiness.periodSeconds }}
          volumeMounts:
          - name: {{ include "common.fullname" . }}-data
            mountPath: /data/db
          resources: {{ include "common.resources" . | nindent 12 }}
{{ include "common.containerSecurityContext" . | indent 10 }}
        {{- if .Values.nodeSelector }}
        nodeSelector:
{{ toYaml .Values.nodeSelector | indent 10 }}
        {{- end -}}
        {{- if .Values.affinity }}
        affinity:
{{ toYaml .Values.affinity | indent 10 }}
        {{- end }}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
  {{- if .Values.persistence.enabled }}
  volumeClaimTemplates:
  - metadata:
      name: {{ include "common.fullname" . }}-data
      labels:
        name: {{ include "common.fullname" . }}
        chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
        release: "{{ include "common.release" . }}"
        heritage: "{{ .Release.Service }}"
    spec:
      accessModes:
      - {{ .Values.persistence.accessMode | quote }}
      storageClassName: {{ include "common.storageClass" . }}
      resources:
        requests:
          storage: {{ .Values.persistence.size | quote }}
  {{- else }}
      volumes:
      - name: {{ include "common.fullname" . }}-data
        emptyDir: {}
  {{- end }}