# Copyright (c) 2019 IBM, Bell Canada
# Copyright (c) 2020 Samsung Electronics
#
# 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: {{ include "common.release" . }}
    heritage: {{ .Release.Service }}
spec:
  replicas: {{ .Values.replicaCount }}
  strategy:
    type: RollingUpdate
    rollingUpdate:
      # This allow a new pod to be ready before terminating the old one
      # causing no downtime when replicas is set to 1
      maxUnavailable: 0

      # maxSurge to 1 is very important for the hazelcast integration
      # we only want one pod at a time to restart not multiple
      # and break the hazelcast cluster. We should not use % maxSurge value
      # ref : https://hazelcast.com/blog/rolling-upgrade-hazelcast-imdg-on-kubernetes/
      maxSurge: 1
  template:
    metadata:
      labels:
        app: {{ include "common.name" . }}
        release: {{ include "common.release" . }}
    spec:
      initContainers:
      - command:
        - sh
        args:
        - -c
        - "cd /config-input && for PFILE in `ls -1 .`; do envsubst '${CDS_DB_USERNAME},${CDS_DB_PASSWORD},${SDNC_DB_USERNAME},${SDNC_DB_PASSWORD}' <${PFILE} >/config/${PFILE}; done"
        env:
        - name: CDS_DB_USERNAME
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "cds-db-user-creds" "key" "login") | indent 10}}
        - name: CDS_DB_PASSWORD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "cds-db-user-creds" "key" "password") | indent 10}}
        - name: SDNC_DB_USERNAME
          value: root
        - name: SDNC_DB_PASSWORD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "sdnc-db-root-pass" "key" "password") | indent 10}}
        volumeMounts:
        - mountPath: /config-input/application.properties
          name: {{ include "common.fullname" . }}-config
          subPath: application.properties
        - mountPath: /config
          name: processed-config
        image: "{{ .Values.global.envsubstImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: {{ include "common.name" . }}-update-config

      - command:
        - /root/ready.py
        args:
        - --container-name
        - cds-db
        {{- if .Values.dmaapEnabled  }}
        - --container-name
        - message-router
        {{ end }}
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        image: "{{ .Values.global.readinessRepository }}/{{ .Values.global.readinessImage }}"
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        name: {{ include "common.name" . }}-readiness
      - name: fix-permission
        command:
        - chown
        - -R
        - 100:101
        - /opt/app/onap/blueprints/deploy
        image: busybox:latest
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        volumeMounts:
        - mountPath: {{ .Values.persistence.deployedBlueprint }}
          name: {{ include "common.fullname" . }}-blueprints
      containers:
        - name: {{ include "common.name" . }}
          image: "{{ include "common.repository" . }}/{{ .Values.image }}"
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          env:
          - name: APP_CONFIG_HOME
            value: {{ .Values.config.appConfigDir }}
          - name: USE_SCRIPT_COMPILE_CACHE
            value: {{ .Values.config.useScriptCompileCache | quote }}
          # Cluster should only be enabled when replicaCount is more than 2 and useScriptCompileCache is set to false otherwise it won't work properly
          - name: CLUSTER_ENABLED
            value: {{ if and (gt (int (.Values.replicaCount)) 2) (not .Values.config.useScriptCompileCache) }} {{ .Values.cluster.enabled | quote }} {{ else }} "false" {{ end }}
          - name: CLUSTER_ID
            value: {{ .Values.cluster.clusterName }}
          - name: CLUSTER_NODE_ID
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: CLUSTER_CONFIG_FILE
            value: {{ .Values.config.appConfigDir }}/hazelcast.yaml
          ports:
          - containerPort: {{ .Values.service.http.internalPort }}
          - containerPort: {{ .Values.service.grpc.internalPort }}
          - containerPort: {{ .Values.service.cluster.internalPort }}
          # disable liveness probe when breakpoints set in debugger
          # so K8s doesn't restart unresponsive container
          {{ if .Values.liveness.enabled }}
          livenessProbe:
            httpGet:
              path: /api/v1/execution-service/health-check
              port: {{ .Values.service.http.internalPort }}
              httpHeaders:
              - name: Authorization
                value: Basic Y2NzZGthcHBzOmNjc2RrYXBwcw==
            initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
            periodSeconds: {{ .Values.liveness.periodSeconds }}
            timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
          {{ end }}
          readinessProbe:
            httpGet:
              path: /api/v1/execution-service/health-check
              port: {{ .Values.service.http.internalPort }}
              httpHeaders:
              - name: Authorization
                value: Basic Y2NzZGthcHBzOmNjc2RrYXBwcw==
            initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
            periodSeconds: {{ .Values.readiness.periodSeconds }}
            timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
          volumeMounts:
          - mountPath: /etc/localtime
            name: localtime
            readOnly: true
          - mountPath: {{ .Values.config.appConfigDir }}/application.properties
            name: processed-config
            subPath: application.properties
          - mountPath: {{ .Values.config.appConfigDir }}/error-messages_en.properties
            name: {{ include "common.fullname" . }}-config
            subPath: error-messages_en.properties
          - mountPath: {{ .Values.config.appConfigDir }}/logback.xml
            name: {{ include "common.fullname" . }}-config
            subPath: logback.xml
          - mountPath: {{ .Values.config.appConfigDir }}/hazelcast.yaml
            name: {{ include "common.fullname" . }}-config
            subPath: hazelcast.yaml

          - mountPath: {{ .Values.config.appConfigDir }}/ONAP_RootCA.cer
            name: {{ include "common.fullname" . }}-config
            subPath: ONAP_RootCA.cer

          - mountPath: {{ .Values.persistence.deployedBlueprint }}
            name: {{ include "common.fullname" . }}-blueprints
          resources:
{{ include "common.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: application.properties
              path: application.properties
            - key: error-messages_en.properties
              path: error-messages_en.properties
            - key: logback.xml
              path: logback.xml
            - key: hazelcast.yaml
              path: hazelcast.yaml
            - key: ONAP_RootCA.cer
              path: ONAP_RootCA.cer
        - name: {{ include "common.fullname" . }}-blueprints
          persistentVolumeClaim:
            claimName: {{ include "common.release" . }}-cds-blueprints
        - name: processed-config
          emptyDir:
            medium: Memory
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"