# © Copyright IBM Corporation 2017
#
# 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/v1beta1
kind: StatefulSet
metadata:
  name: {{ template "fullname" . }}
  labels:
    app: {{ template "fullname" . }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    release: "{{ .Release.Name }}"
    heritage: "{{ .Release.Service }}"
spec:
  serviceName: {{ .Values.service.name }}
  replicas: 1
  {{- if and (ge (.Capabilities.KubeVersion.Major | int) 1) (ge (.Capabilities.KubeVersion.Minor | int) 7) }}
  updateStrategy:
    type: RollingUpdate
  {{- end }}
  template:
    metadata:
      labels:
        app: {{ template "fullname" . }}
        chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
        release: "{{ .Release.Name }}"
        heritage: "{{ .Release.Service }}"
        QM_IDENTIFIER: "{{ .Release.Name }}"
    spec:
      {{- if .Values.image.pullSecret }}
      imagePullSecrets:
        - name: {{ .Values.image.pullSecret }}
      {{- end }}
      containers:
        - name: qmgr
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
          - containerPort: 1414
          env:
          - name: LICENSE
            value: {{ .Values.license }}
          - name: MQ_QMGR_NAME
            value: {{ .Values.queueManager.name | default .Release.Name | replace "-" "" }}
          {{- if .Values.persistence.enabled }}
          volumeMounts:
          - mountPath: "/mnt/mqm"
            name: "{{ template "fullname" . }}-{{ .Values.dataPVC.name }}"
          {{- end }}
          # Set liveness probe to determine if the queue manager is running
          livenessProbe:
            exec:
              command:
              - chkmqhealthy
            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
          # Set readiness probe to determine if the MQ listener is running
          readinessProbe:
            exec:
              command:
              - chkmqready
            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
          resources:
            limits:
{{ toYaml .Values.resources.limits | indent 14 }}
            requests:
{{ toYaml .Values.resources.requests | indent 14 }}
  volumeClaimTemplates:
  {{- if .Values.persistence.enabled }}
  - metadata:
      name: "{{ template "fullname" . }}-{{ .Values.dataPVC.name }}"
      labels:
        app: {{ template "fullname" . }}
        chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
        release: "{{ .Release.Name }}"
        heritage: "{{ .Release.Service }}"
    spec:
      {{- if .Values.persistence.useDynamicProvisioning }}
      ## If present, use the storageClassName from the values.yaml, else use the
      ## default storageClass setup by Kubernetes Administrator
      ##
      ## Setting storageClassName to nil means use the default storage class
      storageClassName: {{ default nil .Values.dataPVC.storageClassName | quote }}
      {{- else }}
      ## Disable dynamic provisioning
      storageClassName: ""
      {{- end }}
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: {{ .Values.dataPVC.size | quote }}
  {{- end }}
