Elastic 官方提供了 QuickStart 让我们简单快速的在本地部署 ElasticSearch，基于 Kubernetes Operator 模式，自动化的部署应用。

当前验证版本：

  • ECK 2.6
  • Mac Docker Desktop 4.15.0
  • Docker Engine: 20.10.21
  • Kubernetes: 1.25.2

部署ECK

安装 CRD（custom resource definitions）

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kubectl create -f https://download.elastic.co/downloads/eck/2.6.1/crds.yaml

安装 Operator

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kubectl apply -f https://download.elastic.co/downloads/eck/2.6.1/operator.yaml

监控 Operator 日志

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kubectl -n elastic-system logs -f statefulset.apps/elastic-operator

部署 ElasticSearch

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cat <<EOF | kubectl apply -f -
apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: quickstart
spec:
  version: 8.6.0
  nodeSets:
  - name: default
    count: 1
    config:
      node.store.allow_mmap: false
EOF

查看集群状态

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kubectl get elasticsearch

查看 pod

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kubectl get pods --selector='elasticsearch.k8s.elastic.co/cluster-name=quickstart'

外部访问

生成密码

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PASSWORD=$(kubectl get secret quickstart-es-elastic-user -o go-template='{{.data.elastic | base64decode}}')

映射外部访问

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kubectl port-forward service/quickstart-es-http 9200

验证

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curl -u "elastic:$PASSWORD" -k "https://localhost:9200"

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{
  "name" : "quickstart-es-default-0",
  "cluster_name" : "quickstart",
  "cluster_uuid" : "PFBJFEyTSPyoF7-kMTYw0g",
  "version" : {
    "number" : "8.6.0",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "f67ef2df40237445caa70e2fef79471cc608d70d",
    "build_date" : "2023-01-04T09:35:21.782467981Z",
    "build_snapshot" : false,
    "lucene_version" : "9.4.2",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  },
  "tagline" : "You Know, for Search"
}

部署 Kibana

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cat <<EOF | kubectl apply -f -
apiVersion: kibana.k8s.elastic.co/v1
kind: Kibana
metadata:
  name: quickstart
spec:
  version: 8.6.0
  count: 1
  elasticsearchRef:
    name: quickstart
EOF

查看集群信息

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kubectl get kibana

关联 ElasticSearch 实例

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kubectl get pod --selector='kibana.k8s.elastic.co/name=quickstart'

访问 Kibana

查看服务状态

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kubectl get service quickstart-kb-http

本地端口映射

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kubectl port-forward service/quickstart-kb-http 5601

生成密码

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kubectl get secret quickstart-es-elastic-user -o=jsonpath='{.data.elastic}' | base64 --decode; echo

验证

访问 https://localhost:5601 elastic/密码 查看