710 lines
24 KiB
Markdown
710 lines
24 KiB
Markdown
# 星枢 Agent 任务解耦技术方案
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> 基于 RabbitMQ 的分布式任务队列架构
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---
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## 一、概述
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### 背景
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当前星枢（主 Agent）与其他 Agent 的通信方式：
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| 方式 | 命令 | 局限 |
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|------|------|------|
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| 本地 | `openclaw agent --agent xingyao --message "..." --deliver` | 同步等待 |
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| 远程 | `ssh ubuntu2 "openclaw agent --agent yunce --message ..."` | 串行阻塞 |
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### 目标
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- **异步执行**：任务下发不等待结果
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- **任务持久化**：重启不丢失
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- **可监控**：实时查看任务状态
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- **可扩展**：支持多 Agent 并行
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---
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## 二、技术选型
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### RabbitMQ vs 其他
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| 特性 | RabbitMQ | Redis Streams | Kafka |
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|------|----------|---------------|-------|
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| 消息确认 | ✅ ACK | ✅ ACK | ✅ ACK |
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| 优先级队列 | ✅ | ❌ | ❌ |
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| 延迟队列 | ✅ (插件) | ✅ | ❌ |
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| 持久化 | ✅ | ✅ | ✅ |
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| 集群 | ✅ | 有限 | ✅ |
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| 生态成熟度 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
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| 轻量级 | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐ |
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**推荐：RabbitMQ**
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理由：
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- 消息确认机制完善
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- 支持复杂路由规则
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- 管理界面友好
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- 适合中低并发场景
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---
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## 三、架构设计
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### 3.1 整体架构
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```
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┌─────────────────────────────────────────────────────────────────────────┐
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│ 用户 │
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│ (Telegram/Discord) │
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└─────────────────────────────────┬───────────────────────────────────────┘
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│
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▼
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┌─────────────────────────────────────────────────────────────────────────┐
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│ 星枢 (主 Agent) │
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│ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │
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│ │ 意图理解 │ │ 任务分解 │ │ 队列管理 │ │ 结果聚合 │ │
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│ └─────────────┘ └─────────────┘ └─────────────┘ └─────────────┘ │
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└─────────────────────────────────┬───────────────────────────────────────┘
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│
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┌─────────────┴─────────────┐
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│ RabbitMQ 集群 │
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│ (task_exchange) │
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└─────────────┬─────────────┘
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│
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┌───────────────────────┼───────────────────────┐
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│ │ │
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▼ ▼ ▼
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┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
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│ Yunce (Agent) │ │ Atlas (Agent) │ │ Prometheus │
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│ 队列: tasks │ │ 队列: tasks │ │ 队列: tasks │
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│ 状态: running │ │ 状态: idle │ │ 状态: idle │
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└────────┬────────┘ └────────┬────────┘ └────────┬────────┘
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│ │ │
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│ ┌──────────────────┴──────────────────┐ │
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│ │ 结果收集 (result_exchange) │ │
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│ └──────────────────┬──────────────────┘ │
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│ │ │
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└──────────────────────┼──────────────────────┘
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│
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▼
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┌─────────────────────────────────────────────────────────────────────────┐
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│ 星枢 (结果处理) │
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│ - 任务状态更新 │
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│ - 用户反馈 │
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│ - 后续任务触发 │
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└─────────────────────────────────────────────────────────────────────────┘
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```
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### 3.2 消息流设计
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```
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┌──────────────────────────────────────────────────────────────────────────┐
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│ 消息生命周期 │
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└──────────────────────────────────────────────────────────────────────────┘
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[1] 任务下发 [5] 结果处理
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│ ▲
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▼ │
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┌────────┐ ┌────────────┐ ┌───────────┐ ┌───────────┐ │
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│ 星枢 │───▶│ RabbitMQ │───▶│ Agent N │───▶│ RabbitMQ │──────┘
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│创建任务 │ │ (持久化) │ │ 执行任务 │ │ (结果队列) │
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└────────┘ └────────────┘ └───────────┘ └───────────┘
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│ │
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│ [4] ACK 确认
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│ │
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[2] 任务入队 │
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(可选: 延迟队列) ▼
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│ ┌───────────┐
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└─────────────▶│ 状态变更 │
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│ (处理中→完成)
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└───────────┘
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[3] Agent 消费任务
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```
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### 3.3 Exchange & Queue 设计
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```
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┌─────────────────┐
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│ task_exchange │ (Topic Exchange)
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│ (星枢下发) │
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└────────┬────────┘
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│
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┌───────────────────┼───────────────────┐
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│ │ │
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▼ ▼ ▼
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┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
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│ queue.yunce │ │ queue.atlas │ │ queue.prometheus│
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│ routing: │ │ routing: │ │ routing: │
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│ task.yunce │ │ task.atlas │ │ task.prometheus │
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└────────┬────────┘ └────────┬────────┘ └────────┬────────┘
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│ │ │
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▼ ▼ ▼
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[Agent: Yunce] [Agent: Atlas] [Agent: Prometheus]
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─────────────────────────────────────────────────────────────────────────
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┌─────────────────┐
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│result_exchange │ (Topic Exchange)
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│ (结果收集) │
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└────────┬────────┘
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│
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┌───────────────────┼───────────────────┐
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│ │ │
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▼ ▼ ▼
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┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
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│result.yunce │ │result.atlas │ │result.prometheus │
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└────────┬────────┘ └────────┬────────┘ └────────┬────────┘
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│ │ │
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└────────────────────┼────────────────────┘
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│
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▼
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┌─────────────────┐
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│ queue.star聚合 │ ← 星枢监听此队列
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│ routing: result.#│
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└─────────────────┘
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```
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---
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## 四、消息格式定义
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### 4.1 任务消息 (Task Message)
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```json
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{
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"taskId": "task_20260317_001",
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"type": "task",
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"source": "xingyao",
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"target": "yunce",
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"priority": "high",
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"content": {
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"action": "code_review",
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"params": {
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"repo": "my-project",
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"branch": "feature/login"
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}
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},
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"metadata": {
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"createdAt": "2026-03-17T10:30:00Z",
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"expireAt": "2026-03-17T11:30:00Z",
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"retryCount": 0,
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"maxRetries": 3
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}
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}
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```
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### 4.2 结果消息 (Result Message)
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```json
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{
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"taskId": "task_20260317_001",
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"type": "result",
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"source": "yunce",
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"target": "xingyao",
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"status": "success",
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"content": {
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"summary": "代码审查完成",
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"findings": [
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{"severity": "warning", "message": "建议添加参数校验"}
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],
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"output": "/path/to/report.md"
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},
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"metadata": {
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"completedAt": "2026-03-17T10:35:00Z",
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"duration": 300
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}
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}
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```
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### 4.3 心跳消息 (Heartbeat Message)
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```json
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{
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"type": "heartbeat",
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"agent": "yunce",
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"status": "idle",
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"currentTask": null,
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"timestamp": "2026-03-17T10:30:00Z"
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}
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```
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---
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## 五、实现步骤
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### 5.1 RabbitMQ 部署
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```bash
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# Docker 部署
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docker run -d \
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--name rabbitmq \
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-p 5672:5672 \
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-p 15672:15672 \
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-e RABBITMQ_DEFAULT_USER=admin \
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-e RABBITMQ_DEFAULT_PASS=your_password \
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rabbitmq:3.12-management
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# 访问管理界面
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# http://your-server:15672
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```
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### 5.2 创建 Exchange 和 Queue (初始化脚本)
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```python
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# setup_rabbitmq.py
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import pika
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def setup_rabbitmq():
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connection = pika.BlockingConnection(
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pika.ConnectionParameters(host='localhost', port=5672)
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)
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channel = connection.channel()
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# 1. 创建 Exchange
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channel.exchange_declare(exchange='task_exchange', exchange_type='topic', durable=True)
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channel.exchange_declare(exchange='result_exchange', exchange_type='topic', durable=True)
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# 2. 创建任务队列 (按 Agent)
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agents = ['yunce', 'atlas', 'prometheus', 'oracle']
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for agent in agents:
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channel.queue_declare(queue=f'queue.{agent}', durable=True)
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channel.queue_bind(
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exchange='task_exchange',
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queue=f'queue.{agent}',
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routing_key=f'task.{agent}'
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)
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# 3. 创建星枢结果聚合队列
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channel.queue_declare(queue='queue.star', durable=True)
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channel.queue_bind(
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exchange='result_exchange',
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queue='queue.star',
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routing_key='result.#'
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)
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connection.close()
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print("✅ RabbitMQ 初始化完成")
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if __name__ == '__main__':
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setup_rabbitmq()
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```
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### 5.3 星枢任务下发模块
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```python
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# star_sender.py
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import pika
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import json
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import uuid
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from datetime import datetime
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class StarTaskSender:
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def __init__(self, rabbitmq_host='localhost'):
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self.connection = pika.BlockingConnection(
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pika.ConnectionParameters(host=rabbitmq_host)
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)
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self.channel = self.connection.channel()
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def send_task(self, target_agent, action, params, priority='normal'):
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task_id = f"task_{datetime.now().strftime('%Y%m%d_%H%M%S')}_{uuid.uuid4().hex[:6]}"
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message = {
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"taskId": task_id,
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"type": "task",
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"source": "xingyao",
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"target": target_agent,
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"priority": priority,
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"content": {
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"action": action,
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"params": params
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},
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"metadata": {
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"createdAt": datetime.now().isoformat() + "Z",
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"retryCount": 0,
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"maxRetries": 3
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}
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}
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self.channel.basic_publish(
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exchange='task_exchange',
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routing_key=f'task.{target_agent}',
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body=json.dumps(message),
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properties=pika.BasicProperties(
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delivery_mode=2, # 持久化
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priority=10 if priority == 'high' else 5
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)
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)
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print(f"✅ 任务已下发: {task_id} -> {target_agent}")
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return task_id
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def close(self):
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self.connection.close()
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# 使用示例
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if __name__ == '__main__':
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sender = StarTaskSender()
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# 下发任务给 Yunce
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task_id = sender.send_task(
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target_agent='yunce',
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action='code_review',
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params={'repo': 'my-project', 'branch': 'main'},
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priority='high'
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)
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sender.close()
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```
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### 5.4 Agent 任务监听模块
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```python
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# agent_listener.py
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import pika
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import json
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import subprocess
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import logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class AgentListener:
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def __init__(self, agent_name, rabbitmq_host='localhost'):
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self.agent_name = agent_name
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self.connection = pika.BlockingConnection(
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pika.ConnectionParameters(host=rabbitmq_host)
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)
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self.channel = self.connection.channel()
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def execute_task(self, task_content):
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"""执行任务的核心逻辑"""
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action = task_content['action']
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params = task_content['params']
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logger.info(f"执行任务: {action}")
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# 根据 action 调用不同的处理函数
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handlers = {
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'code_review': self.handle_code_review,
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'data_analysis': self.handle_data_analysis,
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'file_operation': self.handle_file_operation,
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}
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handler = handlers.get(action, self.handle_default)
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return handler(params)
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def handle_code_review(self, params):
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# 调用 OpenClaw agent
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result = subprocess.run(
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['openclaw', 'agent', '--agent', 'yunce',
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'--message', f"请审查代码仓库 {params.get('repo')}"],
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capture_output=True, text=True
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)
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return {'output': result.stdout, 'status': 'success'}
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def handle_default(self, params):
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return {'message': f'Unknown action: {params}'}
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def on_message(self, ch, method, properties, body):
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"""消息处理回调"""
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try:
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message = json.loads(body)
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task_id = message['taskId']
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logger.info(f"收到任务: {task_id}")
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# 执行任务
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result = self.execute_task(message['content'])
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# 发送结果
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self.send_result(task_id, result)
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# ACK 确认
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ch.basic_ack(delivery_tag=method.delivery_tag)
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except Exception as e:
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logger.error(f"任务执行失败: {e}")
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ch.basic_nack(delivery_tag=method.delivery_tag, requeue=True)
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def send_result(self, task_id, result):
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"""发送结果到星枢"""
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result_message = {
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"taskId": task_id,
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"type": "result",
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"source": self.agent_name,
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"target": "xingyao",
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"status": "success",
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"content": result,
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"metadata": {
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"completedAt": datetime.now().isoformat() + "Z"
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}
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}
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self.channel.basic_publish(
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exchange='result_exchange',
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routing_key=f'result.{self.agent_name}',
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body=json.dumps(result_message),
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properties=pika.BasicProperties(delivery_mode=2)
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)
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def start_listening(self):
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"""开始监听任务队列"""
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self.channel.basic_qos(prefetch_count=1)
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self.channel.basic_consume(
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queue=f'queue.{self.agent_name}',
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on_message_callback=self.on_message
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)
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logger.info(f"🤖 Agent [{self.agent_name}] 开始监听任务队列...")
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self.channel.start_consuming()
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# 使用示例
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if __name__ == '__main__':
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import sys
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agent_name = sys.argv[1] if len(sys.argv) > 1 else 'yunce'
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listener = AgentListener(agent_name)
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listener.start_listening()
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```
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### 5.5 星枢结果收集模块
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```python
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# star_receiver.py
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import pika
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import json
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from datetime import datetime
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class StarResultReceiver:
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def __init__(self, rabbitmq_host='localhost'):
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self.connection = pika.BlockingConnection(
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pika.ConnectionParameters(host=rabbitmq_host)
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)
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self.channel = self.connection.channel()
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self.pending_tasks = {} # 跟踪待处理任务
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def on_message(self, ch, method, properties, body):
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message = json.loads(body)
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if message['type'] == 'result':
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task_id = message['taskId']
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status = message['status']
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result = message['content']
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print(f"📋 任务完成: {task_id}")
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print(f" 状态: {status}")
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print(f" 结果: {result}")
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# 更新任务状态
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if task_id in self.pending_tasks:
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self.pending_tasks[task_id]['status'] = 'completed'
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self.pending_tasks[task_id]['result'] = result
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# 可以触发后续任务
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self.handle_next_action(message)
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elif message['type'] == 'heartbeat':
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print(f"💓 Agent 心跳: {message['agent']} - {message['status']}")
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ch.basic_ack(delivery_tag=method.delivery_tag)
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def handle_next_action(self, message):
|
||
"""根据结果触发后续动作"""
|
||
# 示例：根据结果发送新任务
|
||
pass
|
||
|
||
def start_listening(self):
|
||
self.channel.basic_qos(prefetch_count=1)
|
||
self.channel.basic_consume(
|
||
queue='queue.star',
|
||
on_message_callback=self.on_message
|
||
)
|
||
|
||
print("🌟 星枢开始监听任务结果...")
|
||
self.channel.start_consuming()
|
||
|
||
# 使用示例
|
||
if __name__ == '__main__':
|
||
receiver = StarResultReceiver()
|
||
receiver.start_listening()
|
||
```
|
||
|
||
---
|
||
|
||
## 六、监控界面
|
||
|
||
### 6.1 RabbitMQ 管理界面
|
||
|
||
```
|
||
URL: http://localhost:15672
|
||
用户名: admin
|
||
密码: your_password
|
||
|
||
可查看:
|
||
- 队列状态 (Messages, Ready, Unacked)
|
||
- 连接数
|
||
- 消息流速
|
||
- 交换机绑定
|
||
```
|
||
|
||
### 6.2 自定义监控面板 (可选)
|
||
|
||
```python
|
||
# 简单的任务状态查询
|
||
def get_task_status(task_id):
|
||
# 可以通过 REST API 查询
|
||
# 或者维护一个 Redis 状态缓存
|
||
pass
|
||
|
||
def list_pending_tasks():
|
||
# 列出所有待处理任务
|
||
pass
|
||
|
||
def list_agent_status():
|
||
# 列出所有 Agent 状态
|
||
pass
|
||
```
|
||
|
||
---
|
||
|
||
## 七、完整工作流程示例
|
||
|
||
```
|
||
┌─────────────────────────────────────────────────────────────────────────┐
|
||
│ 完整示例：代码审查任务 │
|
||
└─────────────────────────────────────────────────────────────────────────┘
|
||
|
||
[用户]
|
||
│
|
||
│ "星枢，帮我审查 my-project 的 main 分支"
|
||
▼
|
||
[星枢 - 意图理解]
|
||
│ action: code_review
|
||
│ target: yunce
|
||
│ params: {repo: "my-project", branch: "main"}
|
||
▼
|
||
[星枢 - 任务下发]
|
||
│ RabbitMQ: task.yunce
|
||
│ taskId: task_20260317_001
|
||
▼
|
||
[RabbitMQ] (持久化消息)
|
||
▼
|
||
[Yunce Agent - 任务监听]
|
||
│ 收到任务 -> 执行 code_review
|
||
│ 调用: openclaw agent --agent yunce --message "审查 my-project"
|
||
▼
|
||
[Yunce Agent - 返回结果]
|
||
│ RabbitMQ: result.yunce
|
||
│ status: success, findings: [...]
|
||
▼
|
||
[RabbitMQ]
|
||
│ result.# -> queue.star
|
||
▼
|
||
[星枢 - 结果收集]
|
||
│ 接收结果 -> 更新状态
|
||
│ 格式化输出 -> 推送给用户
|
||
▼
|
||
[用户]
|
||
│ 收到审查报告
|
||
```
|
||
|
||
---
|
||
|
||
## 八、部署建议
|
||
|
||
### 8.1 生产环境配置
|
||
|
||
```yaml
|
||
# docker-compose.yml
|
||
version: '3.8'
|
||
|
||
services:
|
||
rabbitmq:
|
||
image: rabbitmq:3.12-management
|
||
ports:
|
||
- "5672:5672"
|
||
- "15672:15672"
|
||
environment:
|
||
RABBITMQ_DEFAULT_USER: admin
|
||
RABBITMQ_DEFAULT_PASS: ${RABBITMQ_PASSWORD}
|
||
volumes:
|
||
- rabbitmq_data:/var/lib/rabbitmq
|
||
healthcheck:
|
||
test: ["CMD", "rabbitmq-diagnostics", "check_running"]
|
||
interval: 30s
|
||
|
||
volumes:
|
||
rabbitmq_data:
|
||
```
|
||
|
||
### 8.2 安全建议
|
||
|
||
1. **认证**：启用 RabbitMQ 用户认证
|
||
2. **SSL/TLS**：生产环境启用 amqps
|
||
3. **VHost**：不同项目使用不同 vhost
|
||
4. **权限**：最小权限原则
|
||
|
||
---
|
||
|
||
## 九、故障处理
|
||
|
||
| 故障场景 | 解决方案 |
|
||
|----------|----------|
|
||
| Agent 宕机 | 任务自动重新入队 (requeue) |
|
||
| RabbitMQ 宕机 | 消息持久化，重启后恢复 |
|
||
| 任务超时 | 设置 TTL，自动移到死信队列 |
|
||
| 消息积压 | 监控队列长度，扩展消费者 |
|
||
|
||
---
|
||
|
||
## 十、进阶功能
|
||
|
||
### 10.1 延迟任务
|
||
|
||
```python
|
||
# 延迟队列：让任务在指定时间后执行
|
||
def send_delayed_task(target, action, delay_seconds):
|
||
# 使用 RabbitMQ 延迟插件 或 配合 Redis 实现
|
||
pass
|
||
```
|
||
|
||
### 10.2 优先级队列
|
||
|
||
```python
|
||
# 高优先级任务优先处理
|
||
channel.queue_declare(queue='queue.yunce', arguments={
|
||
'x-max-priority': 10
|
||
})
|
||
```
|
||
|
||
### 10.3 任务超时
|
||
|
||
```python
|
||
# 消息 TTL + 死信队列
|
||
channel.queue_declare(
|
||
queue='queue.yunce',
|
||
arguments={
|
||
'x-message-ttl': 3600000, # 1小时
|
||
'x-dead-letter-exchange': 'dlx_exchange'
|
||
}
|
||
)
|
||
```
|
||
|
||
---
|
||
|
||
## 附录：文件清单
|
||
|
||
| 文件 | 说明 |
|
||
|------|------|
|
||
| `setup_rabbitmq.py` | RabbitMQ 初始化脚本 |
|
||
| `star_sender.py` | 星枢任务下发模块 |
|
||
| `agent_listener.py` | Agent 任务监听模块 |
|
||
| `star_receiver.py` | 星枢结果收集模块 |
|
||
| `docker-compose.yml` | 一键部署配置 |
|
||
|
||
---
|
||
|
||
*文档版本: 1.0*
|
||
*创建时间: 2026-03-17*
|
||
*作者: 云策*
|