kubernetes/common/elasticsearch/templates/coordinating-deploy.yaml

{{/*
# Copyright © 2020 Bitnami, AT&T, Amdocs, Bell Canada, highstreet technologies
#
# 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
{{ $role := "coordinating-only" -}}
{{ $suffix := $role -}}
{{ $labels := (dict "role" $role "discovery" (include "elasticsearch.clustername" .)) -}}
metadata: {{- include "common.resourceMetadata" (dict "suffix" $suffix "labels" $labels "dot" . )| nindent 2 }}
spec:
  strategy:
    type: {{ .Values.updateStrategy.type }}
    {{- if (eq "Recreate" .Values.updateStrategy.type) }}
    rollingUpdate: null
    {{- end }}
  selector: {{- include "common.selectors" (dict "matchLabels" $labels "dot" .) | nindent 4 }}
  replicas: {{ .Values.replicaCount }}
  template:
    metadata: {{- include "common.templateMetadata" (dict "labels" $labels "dot" .) | nindent 6 }}
    spec:
      imagePullSecrets:
      - name: "{{ include "common.namespace" . }}-docker-registry-key"
      {{- if .Values.affinity }}
      affinity: {{- include "common.tplValue" (dict "value" .Values.affinity "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.nodeSelector }}
      nodeSelector: {{- include "common.tplValue" (dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.tolerations }}
      tolerations: {{- include "common.tplValue" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
      {{- end }}
      serviceAccountName: {{ template "elasticsearch.serviceAccountName" . }}
      {{- if .Values.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.securityContext.fsGroup }}
      {{- end }}

      ## Image that performs the sysctl operation to modify Kernel settings (needed sometimes to avoid boot errors)
      initContainers:
      {{- if .Values.sysctlImage.enabled }}
        - name: sysctl
          image: {{ include "repositoryGenerator.image.busybox" . }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          command:
            - /bin/sh
            - -c
            - |
              set -o errexit
              set -o pipefail
              set -o nounset
              sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
          securityContext:
            privileged: true
      {{- end }}

      containers:
        - name: {{ include "common.name" . }}-nginx
          image: {{ include "repositoryGenerator.image.nginx" . }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.nginx.pullPolicy | quote }}
          ports: {{- include "common.containerPorts" . | indent 12 -}}
          {{- if .Values.nginx.livenessProbe }}
          livenessProbe: {{- toYaml .Values.nginx.livenessProbe | nindent 12 }}
          {{- end }}
          {{- if .Values.nginx.readinessProbe }}
          readinessProbe: {{- toYaml .Values.nginx.readinessProbe | nindent 12 }}
          {{- end }}
          {{- if .Values.nginx.resources }}
          resources: {{- toYaml .Values.nginx.resources | nindent 12 }}
          {{- end }}
          volumeMounts:
          {{- if .Values.nginx.serverBlock }}
          - name: nginx-server-block
            mountPath: /opt/bitnami/nginx/conf/server_blocks
          {{- end }}

        - name: {{ include "common.name" . }}-elasticsearch
          image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
          {{- if .Values.securityContext.enabled }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          securityContext:
            runAsUser: {{ .Values.securityContext.runAsUser }}
          {{- end }}
          env:
            - name: BITNAMI_DEBUG
              value: {{ ternary "true" "false" .Values.debug | quote }}
            - name: ELASTICSEARCH_CLUSTER_NAME
              value: {{ include "elasticsearch.clustername" .}}
            - name: ELASTICSEARCH_CLUSTER_HOSTS
              value: {{ include "common.name" . }}-discovery
            {{- if .Values.plugins }}
            - name: ELASTICSEARCH_PLUGINS
              value: {{ .Values.plugins | quote }}
            {{- end }}
            - name: ELASTICSEARCH_HEAP_SIZE
              value: {{ .Values.heapSize | quote }}
            - name: ELASTICSEARCH_IS_DEDICATED_NODE
              value: "yes"
            - name: ELASTICSEARCH_NODE_TYPE
              value: "coordinating"
            - name: ELASTICSEARCH_PORT_NUMBER
              value: "9000"
            - name: network.bind_host
              value: 127.0.0.1
            - name: network.publish_host
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
          {{/*ports: {{- include "common.containerPorts" . | indent 12 -}} */}}
          {{- if .Values.livenessProbe.enabled }}
          livenessProbe:
            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
            httpGet:
              path: /_cluster/health?local=true
              port: http
          {{- end }}
          {{- if .Values.readinessProbe.enabled}}
          readinessProbe:
            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
            httpGet:
              path: /_cluster/health?local=true
              port: http
          {{- end }}
          {{- if .Values.resources }}
          resources: {{- toYaml .Values.resources | nindent 12 }}
          {{- end}}
          volumeMounts:
            {{- if .Values.config }}
            - mountPath: /opt/bitnami/elasticsearch/config/elasticsearch.yml
              name: config
              subPath: elasticsearch.yml
            {{- end }}
            - name: data
              mountPath: "/bitnami/elasticsearch/data/"
            {{- if .Values.extraVolumeMounts }}
            {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
            {{- end }}
      volumes:
        {{- if .Values.config }}
        - name: config
          configMap:
            name: {{ include "common.fullname" . }}
        {{- end }}
        - name: data
          emptyDir: {}
        {{- if .Values.extraVolumes }}
        {{- toYaml .Values.extraVolumes | nindent 8 }}
        {{- end }}
        {{- if .Values.nginx.serverBlock }}
        - name: nginx-server-block
          configMap:
            name: {{ include "common.fullname" . }}-nginx-server-block
        {{- end }}