k8s安装elasticsearch

镜像

镜像版本：可以去 https://hub.docker.com/ 搜索镜像,这里用的是elasticsearch:7.17.4
k8s已经存在存储类 (Storage Class)：alicloud-disk-ssd

服务发现

apiVersion: v1
kind: Service
metadata:
  name: elasticsearch
spec:
  clusterIP: None
  ports:
  - name: elasticsearch-in
    port: 9300
    protocol: TCP
    targetPort: 9300
  - name: elasticsearch-out
    port: 9200
    protocol: TCP
    targetPort: 9200
  selector:
    app: elasticsearch
  type: ClusterIP

部署服务

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elasticsearch
spec:
  replicas: 1
  selector:
    matchLabels:
      app: elasticsearch
  serviceName: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
      - env:
        - name: ES_JAVA_OPTS
          value: -Xms2048m -Xmx2048m
        - name: node.data
          value: "true"
        - name: node.master
          value: "true"
        - name: