388 lines
10 KiB
Markdown
388 lines
10 KiB
Markdown
# 🎉 OpenHands API Integration - SETUP COMPLETE!
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**Date:** 2025-11-29
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**Phase:** Phase 2 Complete - Ready for Testing
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**Total Time:** ~2 hours
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---
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## ✅ What's Been Accomplished
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### 1. OpenHands Server Setup ✅
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- **Status:** Running as systemd service
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- **Port:** 3000
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- **API:** Fully operational with REST endpoints
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- **Auto-start:** Enabled on boot
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- **Configuration:** MiniMax M2 LLM with fallback support
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**Verification:**
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```bash
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sudo systemctl status openhands.service
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curl http://localhost:3000/api/options/agents
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```
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### 2. API Endpoints Discovered & Documented ✅
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- **Swagger UI:** http://localhost:3000/docs
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- **OpenAPI Spec:** http://localhost:3000/openapi.json
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- **Key Endpoints:**
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- `POST /api/conversations` - Create session
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- `GET /api/conversations/{id}` - Get status
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- `GET /api/conversations/{id}/events` - Monitor progress
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- `POST /api/conversations/{id}/message` - Send tasks
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### 3. n8n Integration Complete ✅
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- **n8n Network:** Configured to access OpenHands at `172.18.0.1:3000`
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- **Test Workflow:** Created with manual trigger
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- **Webhook Workflow:** Created with Gitea integration
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- **Both workflows:** Ready to import
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### 4. Complete Documentation Created ✅
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- API Reference Guide
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- n8n Workflow Setup Guide
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- Gitea Webhook Integration Guide
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- Troubleshooting documentation
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---
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## 📁 Files Created
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| File | Purpose |
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|------|---------|
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| `/tmp/openhands-workflow.json` | Manual test workflow for n8n |
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| `/tmp/openhands-gitea-webhook-workflow.json` | Production webhook workflow |
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| `/home/bam/openhands-api-reference.md` | Complete API documentation |
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| `/home/bam/n8n-workflow-setup-guide.md` | Step-by-step n8n import guide |
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| `/home/bam/gitea-webhook-setup-guide.md` | Gitea webhook configuration |
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| `/home/bam/openhands-server.sh` | OpenHands startup script |
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| `/etc/systemd/system/openhands.service` | Systemd service file |
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---
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## 🚀 Quick Start - Next Steps
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### Option A: Test Basic Workflow First (Recommended)
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**Estimated Time:** 10 minutes
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1. **Import test workflow to n8n:**
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- Open https://n8n.oky.sh
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- Import `/tmp/openhands-workflow.json`
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- Execute workflow manually
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- Verify OpenHands creates a file
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2. **Check results:**
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```bash
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docker ps | grep openhands-runtime
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docker exec [container-name] cat /workspace/hello.txt
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```
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**Guide:** `/home/bam/n8n-workflow-setup-guide.md`
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---
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### Option B: Set Up Full CI/CD Pipeline
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**Estimated Time:** 30 minutes
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1. **Import webhook workflow:**
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- Open https://n8n.oky.sh
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- Import `/tmp/openhands-gitea-webhook-workflow.json`
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- Activate the workflow
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- Copy webhook URL
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2. **Create test repository in Gitea:**
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- Open https://git.oky.sh
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- Create new repo: `openhands-test`
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- Initialize with README
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3. **Configure webhook:**
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- Repo Settings → Webhooks → Add Webhook
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- URL: `https://n8n.oky.sh/webhook/gitea-push`
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- Trigger: Push events
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- Test delivery
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4. **Clone and push:**
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```bash
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git clone https://git.oky.sh/[username]/openhands-test.git
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cd openhands-test
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# Add package.json, index.js, test.js (see guide)
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git add .
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git commit -m "Add Node.js project"
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git push origin main
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```
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5. **Watch automation:**
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- Check n8n Executions
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- Monitor OpenHands conversation
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- Verify build results
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**Guide:** `/home/bam/gitea-webhook-setup-guide.md`
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---
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## 🔧 System Architecture
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```
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┌─────────────────────────────────────────────────────────┐
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│ Internet/User │
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└──────────────┬──────────────────────────────────────────┘
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│
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│ HTTPS (Let's Encrypt SSL)
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↓
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┌──────────────────────┐
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│ Caddy Reverse │
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│ Proxy │
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│ (ports 80, 443) │
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└──┬────────────┬──────┘
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│ │
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│ │
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↓ ↓
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┌──────────┐ ┌──────────┐
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│ Gitea │ │ n8n │
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│ :3000 │ │ :5678 │
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│(git.oky) │ │(n8n.oky) │
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└────┬─────┘ └─────┬────┘
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│ │
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│ Webhook │ HTTP Request
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└──────────────┤
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│ 172.18.0.1:3000
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↓
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┌──────────────────────┐
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│ OpenHands Server │
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│ (systemd service) │
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│ localhost:3000 │
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└──────────┬───────────┘
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│
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│ Docker API
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↓
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┌──────────────────────┐
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│ OpenHands Runtime │
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│ Container(s) │
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│ (per conversation) │
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└──────────────────────┘
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```
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---
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## 📊 Service Status
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### Quick Health Check
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```bash
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# All services status
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cd /home/bam/services/services-stack && docker compose ps
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# OpenHands status
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sudo systemctl status openhands.service
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# Test OpenHands API
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curl http://localhost:3000/api/options/agents
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# Test n8n → OpenHands connectivity
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docker exec n8n wget -O- http://172.18.0.1:3000/api/options/agents
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```
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### Expected Output
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```
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# docker compose ps
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NAME STATUS
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caddy Up X hours
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gitea Up X hours
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n8n Up X hours
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postgres Up X hours (healthy)
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# systemctl status openhands
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● openhands.service - OpenHands API Server
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Active: active (running)
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# curl localhost:3000/api/options/agents
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["BrowsingAgent","CodeActAgent",...]
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# docker exec n8n wget
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["BrowsingAgent","CodeActAgent",...]
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```
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---
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## 🔐 Access Information
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### Web Interfaces
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| Service | URL | Credentials |
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|---------|-----|-------------|
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| Gitea | https://git.oky.sh | Your Gitea account |
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| n8n | https://n8n.oky.sh | Your n8n account |
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| OpenHands API | http://localhost:3000/docs | No auth (localhost only) |
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### API Keys
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- **Location:** `/home/bam/openhands/.env`
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- **Primary LLM:** MiniMax M2
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- **Backup LLM:** DeepSeek V2
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- **Optional:** OpenAI GPT-4o
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---
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## 📚 Documentation Reference
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### Quick Links
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- **API Docs:** `/home/bam/openhands-api-reference.md`
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- **n8n Setup:** `/home/bam/n8n-workflow-setup-guide.md`
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- **Gitea Webhook:** `/home/bam/gitea-webhook-setup-guide.md`
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- **Project Instructions:** `/home/bam/claude/mvp-factory/CLAUDE.md`
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### Command Reference
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```bash
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# Restart OpenHands
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sudo systemctl restart openhands.service
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# View OpenHands logs
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sudo journalctl -u openhands.service -f
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# Restart n8n
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cd /home/bam/services/services-stack
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docker compose restart n8n
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# View n8n logs
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docker logs -f n8n
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# List OpenHands conversations
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curl http://localhost:3000/api/conversations
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# Get conversation events
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curl "http://localhost:3000/api/conversations/{id}/events"
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# List runtime containers
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docker ps | grep openhands-runtime
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# Check runtime logs
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docker logs [container-name]
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```
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---
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## 🎯 Next Milestones
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### Phase 2: Complete ✅
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- [x] OpenHands server running
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- [x] API endpoints discovered
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- [x] n8n workflows created
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- [x] Gitea webhook integration designed
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### Phase 3: Testing (Next - YOU)
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- [ ] Import test workflow to n8n
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- [ ] Execute manual test
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- [ ] Verify file creation
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- [ ] Import webhook workflow
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- [ ] Create Gitea test repository
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- [ ] Configure webhook
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- [ ] Test git push automation
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### Phase 4: Production (Optional)
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- [ ] Add retry logic for failed builds
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- [ ] Implement commit status updates in Gitea
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- [ ] Add notifications (Slack/Email)
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- [ ] Configure multiple repositories
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- [ ] Add build artifact storage
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- [ ] Implement deployment pipeline
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---
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## ⚠️ Important Notes
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### First Run Considerations
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1. **Initial Conversation:** Takes 2-3 minutes (Docker image pull + runtime init)
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2. **Subsequent Runs:** 30-60 seconds
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3. **Runtime Containers:** Created per conversation, auto-removed when done
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4. **Resource Usage:** Each runtime uses ~500MB RAM, 1 vCPU
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### Security Considerations
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1. **OpenHands API:** Only accessible from localhost (127.0.0.1)
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2. **n8n Access:** Secured via HTTPS + Basic Auth
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3. **Gitea Access:** Secured via HTTPS
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4. **Docker Socket:** Mounted read-only in n8n
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### Scaling Considerations
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1. **Concurrent Builds:** Currently supports 1 build at a time
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2. **To Scale:** Run multiple OpenHands server instances on different ports
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3. **Load Balancing:** Add n8n load balancer node to distribute requests
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4. **Resource Limits:** Set Docker memory/CPU limits for runtime containers
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---
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## 🐛 Troubleshooting Quick Reference
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### Problem: OpenHands not responding
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```bash
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# Check status
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sudo systemctl status openhands.service
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# Check logs
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sudo journalctl -u openhands.service -n 50
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# Restart service
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sudo systemctl restart openhands.service
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# Test manually
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curl http://localhost:3000/api/options/agents
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```
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### Problem: n8n can't reach OpenHands
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```bash
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# Test connectivity from n8n
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docker exec n8n wget -O- http://172.18.0.1:3000/api/options/agents
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# If fails, restart n8n
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cd /home/bam/services/services-stack
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docker compose restart n8n
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```
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### Problem: Webhook not triggering
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1. Check n8n workflow is **Active**
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2. Verify webhook URL matches
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3. Check Gitea "Recent Deliveries" for errors
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4. Test manual webhook trigger in Gitea
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### Problem: Build timeout
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1. Check OpenHands logs for errors
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2. Verify runtime container is running
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3. Increase retry limit in n8n workflow
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4. Check LLM API keys are valid
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---
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## 📞 Support Resources
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- **OpenHands Docs:** https://docs.openhands.dev
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- **n8n Docs:** https://docs.n8n.io
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- **Gitea Docs:** https://docs.gitea.io
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- **Local Swagger UI:** http://localhost:3000/docs
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---
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## 🎉 You're All Set!
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Everything is configured and ready to test. The next steps are in your hands:
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1. **Test basic workflow** → Follow `/home/bam/n8n-workflow-setup-guide.md`
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2. **Set up full CI/CD** → Follow `/home/bam/gitea-webhook-setup-guide.md`
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3. **Customize workflows** → Modify tasks, add notifications, etc.
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**Good luck with your AI-powered CI/CD pipeline!** 🚀
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---
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**Generated:** 2025-11-29
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**By:** Claude (Anthropic)
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**Project:** AI Dev Factory MVP
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