「云原生」Elasticsearch + Kibana on k8s 讲解与实战操作
2022-10-14 07:42:50Elasticsearch是一个基于Lucene的搜索引擎。它提供了具有HTTP Web界面和无架构JSON文档的分布式，多租户能力的全文搜索引擎。
一、概述
Elasticsearch是一个基于Lucene的搜索引擎。它提供了具有HTTP Web界面和无架构JSON文档的分布式，多租户能力的全文搜索引擎。Elasticsearch是用Java开发的，根据Apache许可条款作为开源发布。
官方文档：https://gitHub.com/elastic/elasticsearch
二、Elasticsearch 编排部署
地址：
1）添加源并下载编排部署包
helm repo add elastic httpshelmhelm pull elasticelasticsearch tar xf elasticsearch
2）构建镜像
Elasticsearch 各版本下载地址：这里就不重新构建镜像了，这里是将远程的镜像推送到我们本地harbor，加速拉取镜像。
docker pull dockerelasticsearchelasticsearchdocker tag dockerelasticsearchelasticsearchmyharborbigdataelasticsearch# 上传镜像docker push myharborbigdataelasticsearch# 删除镜像docker rmi myharborbigdataelasticsearchcrictl rmi myharborbigdataelasticsearch
3）修改yaml编排
image......### 去掉这几行volumeClaimTemplateaccessModesresourcesrequestsstorageGi....persistenceenabledlabels# Add default labels for the volumeClaimTemplate of the StatefulSetenableDannotationsaccessModes ReadWriteOncesizeGistorageClasslocal name elasticsearchhostpath name elasticsearchhostpath name elasticsearchhostpath...protocol httphttpPorttransportPortserviceenabledtype NodePortnodePorthttpPortName
kind StorageClassapiVersion storagev1metadatanameprovisioner kubernetesnoprovisioner
{{- range .Values.persistence.local }}---apiVersion: v1kind: PersistentVolumemetadata:name: {{ .name }}labels:name: {{ .name }}spec:storageClassName: {{ $.Values.persistence.storageClass }}capacity:storage: {{ $.Values.persistence.size }}accessModes:{{- range $.Values.persistence.accessModes }}- {{ . | quote }}{{- end }}local:path: {{ .path }}nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- {{ .host }}---{{- end }}
spec:volumeClaimTemplates:spec:# 去掉这行{{ toYaml .Values.volumeClaimTemplate | indent 6 }}# 新增以下内容：accessModes:{{- range .Values.persistence.accessModes }}- {{ . | quote }}{{- end }}resources:requests:storage: {{ .Values.persistence.size | quote }}{{- if .Values.persistence.storageClass }}{{- if (eq "-" .Values.persistence.storageClass) }}storageClassName: ""{{- else }}storageClassName: "{{ .Values.persistence.storageClass }}"{{- end }}{{- end }}
4）开始部署
# 先创建本地存储目录mkdir p optbigdataserverselasticsearchdatadata1chmod R optbigdataserverselasticsearchdatadata1helm install myelasticsearch .elasticsearch n elasticsearch # 查看helm get notes myelasticsearch n elasticsearchkubectl get podssvc n elasticsearch owide
NAME myelasticsearchLAST DEPLOYED Wed Oct NAMESPACE elasticsearchSTATUS deployedREVISIONNOTES. Watch all cluster members come up.$ kubectl get pods $ helm
5）测试验证
curl http_catnodescurl http_cathealth?pretty
6）elasticsearch-head
elasticsearch-head GitHub下载地址：浏览器 elasticsearch-head插件：
链接：提取码：67v4
7）卸载
helm uninstall myelasticsearch n elasticsearchkubectl ns elasticsearch rm fr optbigdataserverselasticsearchdatadata1
三、Kibana 编排部署
地址：
1）添加源并下载编排部署包
helm repo add bitnamipull bitnami/kibana --version 10.2.6tar -xf kibana-10.2.6.tgz
2）构建镜像
这里也不重新构建镜像了，只是将镜像推送到本地harbor加速，【注意】版本号需要跟ES相对应，版本不一样，可能会存储不兼容的情况。
docker pull docker.io/bitnami/kibana:7.17.3docker tag docker.io/bitnami/kibana:7.17.3 myharbor.com/bigdata/kibana:7.17.3# 上传镜像docker push myharbor.com/bigdata/kibana:7.17.3# 删除镜像docker rmi myharbor.com/bigdata/kibana:7.17.3crictl rmi myharbor.com/bigdata/kibana:7.17.3
3）修改yaml编排
image:registry: myharbor.comrepository: bigdata/kibanatag: 8.4.3-debian-11-r1...replicaCount: 1...persistence:enabled: trueaccessModes:- ReadWriteOncesize: 1GistorageClass: "kibana-local-storage"local:- name: kibana-0host: "local-168-182-111"path: "/opt/bigdata/servers/kibana/data/data1"...service:ports:http: 5601type: NodePortnodePorts:http: "30601"...elasticsearch:hosts:- elasticsearch-master.elasticsearchport: "9200"
{{- range .Values.persistence.local }}---apiVersion: v1kind: PersistentVolumemetadata:name: {{ .name }}labels:name: {{ .name }}spec:storageClassName: {{ $.Values.persistence.storageClass }}capacity:storage: {{ $.Values.persistence.size }}accessModes:{{- range $.Values.persistence.accessModes }}- {{ . | quote }}{{- end }}local:path: {{ .path }}nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- {{ .host }}---{{- end }}
kind: StorageClassapiVersion: storage.k8s.io/v1metadata:name: {{ .Values.persistence.storageClass }}provisioner: kubernetes.io/no-provisioner
{{- range .Values.persistence.local }}---apiVersion: v1kind: PersistentVolumemetadata:name: {{ .name }}labels:name: {{ .name }}spec:storageClassName: {{ $.Values.persistence.storageClass }}capacity:storage: {{ $.Values.persistence.size }}accessModes:{{- range $.Values.persistence.accessModes }}- {{ . | quote }}{{- end }}local:path: {{ .path }}nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- {{ .host }}---{{- end }}
4）开始部署
# 先创建本地存储目录mkdir -p /opt/bigdata/servers/kibana/data/data1chmod -R 777 /opt/bigdata/servers/kibana/data/data1helm install my-kibana ./kibana -n kibana --create-namespace# 查看helm get notes my-kibana -n kibana kubectl get pods,svc -n kibana -owide
NAME: my-kibanaLAST DEPLOYED: Thu Oct 13 22:43:30 2022NAMESPACE: kibanaSTATUS: deployedREVISION: 1TEST SUITE: NoneNOTES:CHART NAME: kibanaCHART VERSION: 10.2.6APP VERSION: 8.4.3** PlEase be patient while the chart is being deployed **######################################################################################################### ERROR: You did not provide the Elasticsearch external host or port in your 'helm install' call #########################################################################################################Complete your Kibana deployment by running:helm upgrade --namespace kibana my-kibana my-repo/kibana \--set elasticsearch.hosts[0]=YOUR_ES_HOST,elasticsearch.port=YOUR_ES_PORTReplacing "YOUR_ES_HOST" and "YOUR_ES_PORT" placeholders by the proper values of your Elasticsearch deployment.
5）测试验证
web：
6）卸载
helm uninstall my-kibana -n kibanakubectl delete ns kibana --forcessh local-168-182-111 rm -fr /opt/bigdata/servers/kibana/data/data1/*docker rmi myharbor.com/bigdata/bigdata:8.4.3-debian-11-r1crictl rmi myharbor.com/bigdata/bigdata:8.4.3-debian-11-r1
elasticsearch-on-k8s
下载地址：
下载地址：
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