# Copyright © 2017 Amdocs, Bell Canada
#
# 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: extensions/v1beta1
kind: Deployment
metadata:
  name: {{ include "common.fullname" . }}
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
spec:
  replicas: {{ .Values.replicaCount }}
  template:
    metadata:
      labels:
        app: {{ include "common.name" . }}
        release: {{ .Release.Name }}
    spec:
      initContainers:
      - command:
        - /bin/sh
        - -c
        - |
          sysctl -w vm.max_map_count=262144
          mkdir -p /logroot/elasticsearch/logs
          mkdir -p /logroot/elasticsearch/data
          chmod -R 777 /logroot/elasticsearch
          chown -R root:root /logroot
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        securityContext:
          privileged: true
        image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.busyboxImage }}
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: init-sysctl
        volumeMounts:
        - name: {{ include "common.fullname" . }}-logs
          mountPath: /logroot/
      containers:
        - name: {{ include "common.name" . }}
          image: "{{ .Values.global.loggingRepository | default .Values.loggingRepository }}/{{ .Values.image }}"
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          ports:
          - containerPort: {{ .Values.service.internalPort }}
            name: {{ .Values.service.name }}
          - containerPort: {{ .Values.service.internalPortTcp }}
            name: {{ .Values.service.name }}-tcp
# disable liveness probe when breakpoints set in debugger
          # so K8s doesn't restart unresponsive container
          {{- if eq .Values.liveness.enabled true }}
          livenessProbe:
            tcpSocket:
              port: {{ .Values.service.internalPort }}
            initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
            periodSeconds: {{ .Values.liveness.periodSeconds }}
          {{ end -}}
          readinessProbe:
            tcpSocket:
              port: {{ .Values.service.internalPortTcp }}
            initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
            periodSeconds: {{ .Values.readiness.periodSeconds }}
          env:
          volumeMounts:
          - mountPath: /etc/localtime
            name: localtime
            readOnly: true
          - mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
            name: {{ include "common.fullname" . }}-config
            subPath: elasticsearch.yml
          - mountPath: /usr/share/elasticsearch/data/
            name: {{ include "common.fullname" . }}-data
          resources:
{{ toYaml .Values.resources | indent 12 }}
        {{- 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
        - name: {{ include "common.fullname" . }}-config
          configMap:
            name: {{ include "common.fullname" . }}-configmap
            items:
            - key: elasticsearch.yml
              path: elasticsearch.yml
        - name: {{ include "common.fullname" . }}-data
          persistentVolumeClaim:
            claimName: {{ include "common.fullname" . }}
        - name: {{ include "common.fullname" . }}-logs
          hostPath:
            path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Namespace }}/{{ .Values.persistence.mountSubPathLogs }}
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"