02_elasticsearch_resource.yaml

apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: es-log
  namespace: elastic-system
spec:
  version: 7.6.2
  nodeSets:
  - name: quickstart
    count: 5
    config:
      node.master: true
      node.data: true
      node.ingest: true
    podTemplate:
      spec:
        nodeSelector:
          yandex.cloud/node-group-id: <dedicated-ig-for-elasticsearch>
        http:
          tls:
            selfSignedCertificate:
              subjectAltNames:
              - dns: es-log-es-http.elastic-system.svc.cluster.local
              - dns: es-log-es-http.elastic-system.svc
              - dns: es-log-es-http
              - dns: logs.svc.cluster.local
        containers:
        - name: elasticsearch
          resources:
            requests:
              memory: 8Gi
              cpu: 4000m
            limits:
              memory: 10Gi
              cpu: 4000m
          env:
          - name: ES_JAVA_OPTS
            value: "-Xms6g -Xmx6g"
        initContainers:
        - name: sysctl
          securityContext:
            privileged: true
          command: ['sh', '-c', 'sysctl -w vm.max_map_count=262144']
        - name: install-plugins
          command: 
          - sh
          - -c
          - |
            bin/elasticsearch-plugin install --batch repository-s3
    volumeClaimTemplates:
    - metadata:
        name: elasticsearch-data
      spec:
        accessModes:
        - ReadWriteOnce
        storageClassName: yc-network-ssd
        resources:
          requests:
            storage: 1280Gi