# Copyright © 2018 Amdocs, Bell Canada, AT&T
#
# 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: Deployment
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:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app: {{ include "common.name" . }}
  template:
    metadata:
      labels:
        app: {{ include "common.name" . }}
        release: {{ include "common.release" . }}
      name: {{ include "common.name" . }}
    spec:
      hostname: {{ include "common.name" . }}
      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 1000:1000 /logroot
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        securityContext:
          privileged: true
        image: {{ .Values.global.dockerhubRepository | default .Values.dockerhubRepository }}/{{ .Values.global.busyboxImage | default .Values.busyboxImage }}
        imagePullPolicy: {{ .Values.pullPolicy | default .Values.global.pullPolicy }}
        name: init-sysctl
        volumeMounts:
        - name: elasticsearch-data
          mountPath: /logroot/
      containers:
      - name: {{ include "common.name" . }}
        image: "{{ .Values.global.loggingRepository }}/{{ .Values.image }}"
        imagePullPolicy: {{ .Values.pullPolicy | default .Values.global.pullPolicy }}
        ports:
        - containerPort: {{ .Values.service.internalPort }}
        - containerPort: {{ .Values.service.internalPort2 }}
        # 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.internalPort }}
          initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
          periodSeconds: {{ .Values.readiness.periodSeconds }}
        volumeMounts:
          - name: localtime
            mountPath: /etc/localtime
            readOnly: true
          - name: elasticsearch-config
            subPath: elasticsearch.yml
            mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
          - name: elasticsearch-config
            subPath: jvm.options
            mountPath: /usr/share/elasticsearch/config/jvm.options
          - name: elasticsearch-config
            subPath: log4j2.properties
            mountPath: /usr/share/elasticsearch/config/log4j2.properties
          - name: elasticsearch-data
            mountPath: /usr/share/elasticsearch/data
        resources:
{{ include "common.resources" . | indent 12 }}
      {{- if .Values.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
      {{- end -}}
      {{- if .Values.affinity }}
      affinity:
{{ toYaml .Values.affinity | indent 8 }}
      {{- end }}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
      - name: elasticsearch-config
        configMap:
          name: {{ include "common.fullname" . }}-es-config
      - name: elasticsearch-data
        persistentVolumeClaim:
          claimName: {{ include "common.fullname" . }}-data
      restartPolicy: {{ .Values.restartPolicy }}
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"