kineticdata/kinetic-topicsKinetic Topics Docker镜像是一个用于部署和运行Kinetic Topics服务的容器化解决方案。Kinetic Topics是一个高性能的分布式主题消息系统,旨在提供可靠的消息发布/订阅功能,支持实时数据传输和处理。
该镜像封装了Kinetic Topics服务的所有必要组件,简化了部署流程,确保了环境一致性,并支持快速扩展。
Kinetic Topics Docker镜像适用于以下场景:
bashdocker run -d --name kinetic-topics -p 8080:8080 kinetic-topics:latest
bashdocker run -d --name kinetic-topics \ -p 8080:8080 \ -e KINETIC_TOPICS_NODE_ID=node1 \ -e KINETIC_TOPICS_CLUSTER_NAME=my-cluster \ kinetic-topics:latest
Kinetic Topics支持以下环境变量进行配置:
| 环境变量名称 | 描述 | 默认值 | 必需 |
|---|---|---|---|
KINETIC_TOPICS_NODE_ID | 节点唯一标识符 | 自动生成 | 否 |
KINETIC_TOPICS_CLUSTER_NAME | 集群名称 | default | 否 |
KINETIC_TOPICS_LISTEN_ADDRESS | 服务监听地址 | 0.0.0.0 | 否 |
KINETIC_TOPICS_PORT | 服务端口 | 8080 | 否 |
KINETIC_TOPICS_ADVERTISE_ADDRESS | 集群通信地址 | 容器IP | 否 |
KINETIC_TOPICS_SEED_NODES | 集群种子节点 | 空 | 否 |
KINETIC_TOPICS_DATA_DIR | 数据存储目录 | /data | 否 |
KINETIC_TOPICS_LOG_LEVEL | 日志级别 | info | 否 |
KINETIC_TOPICS_MAX_MESSAGE_SIZE | 最大消息大小(MB) | 10 | 否 |
KINETIC_TOPICS_AUTH_ENABLED | 是否启用认证 | false | 否 |
KINETIC_TOPICS_USERNAME | 管理员用户名 | admin | 否 |
KINETIC_TOPICS_PASSWORD | 管理员密码 | 随机生成 | 否 |
为确保数据持久化,建议挂载数据卷:
bashdocker run -d --name kinetic-topics \ -p 8080:8080 \ -v /host/path/to/data:/data \ kinetic-topics:latest
如需更复杂的配置,可通过挂载配置文件实现:
bashdocker run -d --name kinetic-topics \ -p 8080:8080 \ -v /host/path/to/config:/etc/kinetic-topics \ kinetic-topics:latest
配置文件示例 (kinetic-topics.yml):
yamlnode: id: "node1" listenAddress: "0.0.0.0" port: 8080 advertiseAddress: "192.168.1.100" cluster: name: "my-cluster" seedNodes: ["192.168.1.101:8080", "192.168.1.102:8080"] storage: dataDir: "/data" retentionPolicy: "7d" maxMessageSize: *** # 10MB network: maxConnections: 1000 receiveBufferSize: *** sendBufferSize: *** security: enabled: true tls: enabled: false authentication: type: "password" users: - username: "admin" passwordHash: "$2a$10$xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
以下是使用Docker Compose部署3节点Kinetic Topics集群的示例:
yamlversion: '3.8' services: kinetic-topics-1: image: kinetic-topics:latest container_name: kinetic-topics-1 ports: - "8081:8080" environment: - KINETIC_TOPICS_NODE_ID=node1 - KINETIC_TOPICS_CLUSTER_NAME=kinetic-cluster - KINETIC_TOPICS_ADVERTISE_ADDRESS=kinetic-topics-1 - KINETIC_TOPICS_SEED_NODES=kinetic-topics-1:8080,kinetic-topics-2:8080,kinetic-topics-3:8080 - KINETIC_TOPICS_DATA_DIR=/data volumes: - data-node1:/data networks: - kinetic-network restart: unless-stopped kinetic-topics-2: image: kinetic-topics:latest container_name: kinetic-topics-2 ports: - "8082:8080" environment: - KINETIC_TOPICS_NODE_ID=node2 - KINETIC_TOPICS_CLUSTER_NAME=kinetic-cluster - KINETIC_TOPICS_ADVERTISE_ADDRESS=kinetic-topics-2 - KINETIC_TOPICS_SEED_NODES=kinetic-topics-1:8080,kinetic-topics-2:8080,kinetic-topics-3:8080 - KINETIC_TOPICS_DATA_DIR=/data volumes: - data-node2:/data networks: - kinetic-network restart: unless-stopped kinetic-topics-3: image: kinetic-topics:latest container_name: kinetic-topics-3 ports: - "8083:8080" environment: - KINETIC_TOPICS_NODE_ID=node3 - KINETIC_TOPICS_CLUSTER_NAME=kinetic-cluster - KINETIC_TOPICS_ADVERTISE_ADDRESS=kinetic-topics-3 - KINETIC_TOPICS_SEED_NODES=kinetic-topics-1:8080,kinetic-topics-2:8080,kinetic-topics-3:8080 - KINETIC_TOPICS_DATA_DIR=/data volumes: - data-node3:/data networks: - kinetic-network restart: unless-stopped networks: kinetic-network: driver: bridge volumes: data-node1: data-node2: data-node3:
启动集群:
bashdocker-compose up -d
查看集群状态:
bashdocker-compose logs -f
bashdocker logs -f kinetic-topics
Kinetic Topics默认在 /metrics 端点提供Prometheus格式的监控指标:
bashcurl http://localhost:8080/metrics
bashdocker exec -it kinetic-topics curl http://localhost:8080/health
正常响应:
json{"status": "healthy", "nodeId": "node1", "clusterSize": 1}
只需启动新的Kinetic Topics容器,并将KINETIC_TOPICS_SEED_NODES设置为现有集群中的任意节点。
bashdocker exec -it kinetic-topics /opt/kinetic-topics/bin/backup -d /data/backup
然后可以将备份文件从容器中复制出来:
bashdocker cp kinetic-topics:/data/backup ./local-backup
bashdocker pull kinetic-topics:latest docker stop kinetic-topics docker rm kinetic-topics docker run -d --name kinetic-topics [OPTIONS] kinetic-topics:latest
建议在升级前备份数据,并在新版本启动时使用相同的数据卷。

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