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kube-elk's Introduction

使用方式

重要提示:示例环境使用的是阿里云 Kubernetes 服务,如使用其他 K8S 环境会有些差异,可自行修改 yaml 文件相应的 storageClassName 和 Service type 等

1. 创建单独的 namespace

# kubectl apply -f 00-ns.yaml

2. 生成开启 x-pack 时的 ssl 证书

// 参考:https://github.com/elastic/helm-charts/blob/master/elasticsearch/examples/security/Makefile#L24-L35
# docker run --name es-certutil -i -w /tmp docker.elastic.co/elasticsearch/elasticsearch:7.14.0 /bin/sh -c  \
    "elasticsearch-certutil ca --out /tmp/es-ca.p12 --pass '' && \
    elasticsearch-certutil cert --name security-master --dns \
    security-master --ca /tmp/es-ca.p12 --pass '' --ca-pass '' --out /tmp/elastic-certificates.p12"
# docker cp es-certutil:/tmp/elastic-certificates.p12 ./
# kubectl -n ns-elk create secret generic elastic-certificates --from-file=./elastic-certificates.p12

3. 部署 elasticsearch master 节点

# kubectl -n ns-elk apply -f 01-es-master.yaml

4. 部署 elasticsearch data 节点

# kubectl -n ns-elk apply -f 02-es-data.yaml

5. 部署 elasticsearch client/ingest 节点

# kubectl -n ns-elk apply -f 03-es-client.yaml

6. 暴露 elasticsearch service

# kubectl -n ns-elk apply -f 04-es-service.yaml

7. 设置 elasticsearch 的密码

// 记得保存这些初始密码
# kubectl -n ns-elk exec -it $(kubectl -n ns-elk get pods | grep elasticsearch-client | sed -n 1p | awk '{print $1}') -- bin/elasticsearch-setup-passwords auto -b
Changed password for user apm_system
PASSWORD apm_system = MxlMXbMah7x54c4YQjPj

Changed password for user kibana_system
PASSWORD kibana_system = dgPCuR2ayG9FPCYLHlav

Changed password for user kibana
PASSWORD kibana = dgPCuR2ayG9FPCYLHlav

Changed password for user logstash_system
PASSWORD logstash_system = KgynQ5D3pD3OXDmV5IMA

Changed password for user beats_system
PASSWORD beats_system = ZMTRWXeVkEsrKU3BPl27

Changed password for user remote_monitoring_user
PASSWORD remote_monitoring_user = Vp5WI34HRO8XfRgAzBrC

Changed password for user elastic
PASSWORD elastic = 03sWFWzGOjNOCioqcbV3

8. 配置 kibana.yaml 连接 elasticsearch 的 secret

// 使用上面生成的用户 elastic 的密码 03sWFWzGOjNOCioqcbV3(后续访问 elasticsearch 或者 登录 kibana 都是用这个用户和密码)
# kubectl -n ns-elk create secret generic elasticsearch-password --from-literal password=03sWFWzGOjNOCioqcbV3 

9. 部署 kibana

# kubectl -n ns-elk apply -f 05-kibana.yaml

10. 部署 zookeeper

# helm -n ns-elk install zookeeper -f 06-zk.yaml ./zookeeper

11. 部署 kafka

# helm -n ns-elk install kafka -f 07-kafka.yaml ./kafka

12. 部署 filebeat

# kubectl -n ns-elk apply -f 08-filebeat.yaml

13. 部署 logstach

# kubectl -n ns-elk apply -f 09-logstach.yaml

14. 其他

如果拉取不了 docker.elastic.co 的镜像,可以使用 https://hub.docker.com/u/awker 下的相关镜像

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