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
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安装 Operator
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| kubectl apply -f https://download.elastic.co/downloads/eck/2.6.1/operator.yaml
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监控 Operator 日志
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| kubectl -n elastic-system logs -f statefulset.apps/elastic-operator
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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
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查看集群状态
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| kubectl get elasticsearch
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查看 pod
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| kubectl get pods --selector='elasticsearch.k8s.elastic.co/cluster-name=quickstart'
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外部访问
生成密码
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| PASSWORD=$(kubectl get secret quickstart-es-elastic-user -o go-template='{{.data.elastic | base64decode}}')
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映射外部访问
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| kubectl port-forward service/quickstart-es-http 9200
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验证
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| curl -u "elastic:$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"
}
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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
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查看集群信息
关联 ElasticSearch 实例
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| kubectl get pod --selector='kibana.k8s.elastic.co/name=quickstart'
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访问 Kibana
查看服务状态
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| kubectl get service quickstart-kb-http
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本地端口映射
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| kubectl port-forward service/quickstart-kb-http 5601
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生成密码
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| kubectl get secret quickstart-es-elastic-user -o=jsonpath='{.data.elastic}' | base64 --decode; echo
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验证
访问 https://localhost:5601 elastic/密码 查看
