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Phase 3 Quick Start Guide

Goal: Transform 7-node workflow → 11-node autonomous CI/CD with retry logic Time: 4-5 hours Workflow ID: j1MmXaRhDjvkRSLa

🚀 5-MINUTE SETUP

1. Get Gitea Token (Required for Status Updates)

# UI Method (Easiest):
# 1. Go to https://git.oky.sh/user/settings/applications
# 2. Click "Generate Token"
# 3. Name: n8n-autonomous-build
# 4. Scopes: repo, admin:repo_hook
# 5. Copy token (format: gho_...)

2. Create Test Repository

# Via API:
curl -X POST https://git.oky.sh/api/v1/user/repos \
  -H "X-Gitea-Token: {YOUR_TOKEN}" \
  -H "Content-Type: application/json" \
  -d '{"name":"autonomous-build-test","description":"Phase 3 test repo"}'

# Or via UI:
# https://git.oky.sh → + → New Repository

3. Configure Webhook

Go to: https://git.oky.sh/gitadmin/autonomous-build-test/settings/hooks
Add Webhook:
- URL: https://n8n.oky.sh/webhook/openhands-autonomous-build
- Trigger: Push events
- Active: ✓

📋 IMPLEMENTATION CHECKLIST

Phase A: Add New Nodes (90 min)

Node 3: Initialize Retry Counter
- Type: Code
- Code: See phase3-code-snippets.md → "Node 3"
Node 7: Decision - Build OK?
- Type: IF
- Condition: $json.build_success == true
Node 8: Update Gitea Success
- Type: HTTP
- URL: https://git.oky.sh/api/v1/repos/{owner}/{repo}/statuses/{sha}
- Token: {YOUR_GITEA_API_TOKEN}
Node 9: Format Error for Retry
- Type: Code
- Code: See phase3-code-snippets.md → "Node 9"
Node 10: Check Retry Count
- Type: IF
- Condition: $json.can_retry == true

Phase B: Modify Existing Nodes (60 min)

Node 2: Extract Repo Info
- Add: repo_name, owner, branch, commit_sha
Node 4: Execute OpenHands Build
- Enhance command with error feedback
- Add data preservation pattern
Node 6: Check Build Results
- Add: build_success, error_details
Node 11: Final Response
- Support both success AND failure paths

Phase C: Test (90 min)

Test 1: Success Path (30 min)
Test 2: Retry with Fixable Errors (30 min)
Test 3: Max Retries (3 attempts) (30 min)

📚 KEY RESOURCES

File	Purpose
`phase3-implementation-plan.md`	Complete implementation guide (11 nodes)
`phase3-code-snippets.md`	Ready-to-copy code for each node
`phase3-quickstart.md`	This file - quick start guide
`phase3.md`	Original Phase 3 plan

🔧 NODES BREAKDOWN

Current Workflow (7 nodes)

[1] Gitea Webhook
[2] Extract Repo Info
[3] Start OpenHands Build
[4] Wait 10s
[5] Check Build Status
[6] Format Response
[7] Send Response

Target Workflow (11 nodes)

[1] Gitea Webhook
[2] Extract Repo Info (MODIFY)
[3] Initialize Retry Counter (NEW)
[4] Start OpenHands Build (MODIFY)
[5] Wait 10s
[6] Check Build Results (MODIFY)
[7] Decision: Build OK? (NEW)
     ├─ YES → [8] Update Gitea Success → [11] Response
     └─ NO → [9] Format Error Feedback
                  ↓
              [10] Check Retry Count
                  ├─ YES → Loop to [4]
                  └─ NO → [11] Final Response

⚠️ CRITICAL REMINDERS

1. Data Preservation Pattern

ALWAYS use this in SSH nodes:

const sshOutput = $json;
const repoData = $node["Extract Repo Info"].json;

return {
  ...repoData,  // ← PRESERVE INPUT DATA
  code: sshOutput.code,
  stdout: sshOutput.stdout,
  stderr: sshOutput.stderr
};

2. Retry Counter Initialization

MUST initialize in Node 3:

$workflow.staticData = $workflow.staticData || {};
$workflow.staticData.retry_count = ($workflow.staticData.retry_count || 0) + 1;

3. SSH Node Configuration

Host: localhost
User: bam
Private Key: /home/bam/.ssh/n8n_key
Timeout: 300000 (5 minutes)

🧪 QUICK TESTS

Test 1: Manual Workflow Trigger

curl -X POST https://n8n.oky.sh/webhook/openhands-autonomous-build \
  -H "Content-Type: application/json" \
  -d '{
    "repository": {
      "name": "test-project",
      "full_name": "gitadmin/test-project",
      "owner": {"name": "gitadmin", "username": "gitadmin"}
    },
    "ref": "refs/heads/main",
    "after": "abc123def456789012345678901234567890abcd"
  }'

Test 2: SSH Connectivity

ssh -i /home/bam/.ssh/n8n_key bam@localhost \
  "sh /home/bam/openhands-sdk-wrapper-sh.sh 'Test connection'"

📊 SUCCESS CRITERIA

✅ End-to-end completes: Push → Build → Response ✅ Retry works: Max 3 attempts, then stop ✅ Gitea status: Updates to success/failure ✅ Error feedback: OpenHands receives previous errors ✅ Real projects: Works with actual MVP project

🆘 TROUBLESHOOTING

Problem	Quick Fix
Retry count always 0	Initialize `$workflow.staticData`
Gitea status not updating	Check token has "repo" scope
Workflow hangs	Increase SSH timeout to 5 min
Data lost in loop	Use `$node["Node Name"].json` pattern
Same errors on retry	Include error in task string

📞 CURRENT STATUS

✅ Phase 2 Complete
✅ Workflow ID: j1MmXaRhDjvkRSLa
✅ OpenHands SDK: Working
✅ n8n + Gitea: Configured
⏳ Phase 3: Ready to implement

🎯 NEXT STEPS

Now: Read phase3-implementation-plan.md
Then: Generate Gitea token
Then: Start with Node 3 (Initialize Retry Counter)
Follow: phase3-code-snippets.md for exact code

Total Time: 4-5 hours Can start immediately! 🚀

Quick Start Guide - Last Updated: 2025-12-02

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