19.2 ELK 套件
19.2.1 方案架构
19.2.2 部署流程
1. 编写 Compose 文件
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:7.17.0
container_name: elasticsearch
environment:
- "discovery.type=single-node"
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ports:
- "9200:9200"
volumes:
- es_data:/usr/share/elasticsearch/data
networks:
- logging
kibana:
image: docker.elastic.co/kibana/kibana:7.17.0
container_name: kibana
environment:
- ELASTICSEARCH_HOSTS=http://elasticsearch:9200
ports:
- "5601:5601"
links:
- elasticsearch
networks:
- logging
fluentd:
image: fluent/fluentd-kubernetes-daemonset:v1.14.3-debian-elasticsearch7-1.0
container_name: fluentd
environment:
- "FLUENT_ELASTICSEARCH_HOST=elasticsearch"
- "FLUENT_ELASTICSEARCH_PORT=9200"
- "FLUENT_ELASTICSEARCH_SCHEME=http"
- "FLUENT_UID=0"
ports:
- "24224:24224"
- "24224:24224/udp"
links:
- elasticsearch
volumes:
- ./fluentd/conf:/fluentd/etc
networks:
- logging
volumes:
es_data:
networks:
logging:2. 配置 Fluentd
3. 配置应用容器使用 fluentd 驱动
4. 在 Kibana 中查看日志
Kibana 建索引模式常见坑
5. 验证日志是否写入 Elasticsearch (生产排错必备)
19.2.3 总结
19.2.4 生产要点
索引与保留策略的落地建议
最小可用的“过期索引清理”示例
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