dispatch-module-architecture

DevOps & Security

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处理 BK-CI 构建调度时使用，例如构建机选择、队列推进、配额控制、第三方构建机调度、Docker/Kubernetes 调度。当用户要改任务分配策略而不是 Agent/Worker 执行细节时优先使用。

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Dispatch 模块架构

适用场景

修改第三方构建机、Docker 或 Kubernetes 调度逻辑
处理队列、配额、资源分配和构建机选择
排查任务排队、派发失败或调度不均衡
扩展新的调度类型或构建资源类型

不适用场景

只是修改 Agent 守护、心跳或升级
只是修改 Worker 执行、日志或变量回传
只是开发插件或改 task.json
只是修改流水线业务编排

快速指导

这个 skill 关注的是“任务如何被分配到合适的执行环境”。
Dispatch 的核心不是执行任务，而是做选择、排队、限流和推进。
先按问题类型进入对应参考文档：
- 模块结构与核心对象：reference/1-dispatch-foundation.md
- 队列、配额与调度策略：reference/2-queue-quota-scheduling.md
- 资源类型扩展与排查：reference/3-resource-extension-debug.md
如果问题已经到达构建机并开始执行，切到 agent-module-architecture 或 worker-module-architecture。
如果问题是插件本身不兼容运行环境，切到 pipeline-plugin-development。

高信号规则

Dispatch 解决的是“在哪里跑”和“什么时候跑”
队列、配额、资源类型和监听推进是同一套调度系统的不同面
调度问题要先区分资源不足、策略不匹配还是执行侧异常
新调度类型落地时，数据模型、监听链路和资源约束要一起看

关键陷阱

把 Agent / Worker 执行失败误判成 Dispatch 问题
只看单个服务方法，不看监听、队列和配额的完整推进链
新增调度类型时只补入口，不补限流、状态流转和清理逻辑
调度问题排查只盯代码，不先确认资源池和配额状态