101 lines
3.7 KiB
Markdown
101 lines
3.7 KiB
Markdown
# Session Summary - December 20, 2025
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## 🎯 Session Objectives
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Continue DNS record creation debugging from previous session and identify root cause.
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## ✅ Work Completed
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### 1. **DNS Record Creation Bug Identified**
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**File**: `jester/zlh-api/src/api/provisionAgent.js`
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**Issue**: EdgePublisher expects SHORT hostname but provisionAgent was passing FQDN
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**Root Cause**: Dev container refactor (lines 46, 330-331, 402) accidentally broke hostname formatting
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**Impact**: DNS records never created → servers unreachable
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**The Fix** (NOT YET APPLIED - Ready for next session):
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```javascript
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// DELETE Line 46:
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const ZONE = process.env.TECHNITIUM_ZONE || "zerolaghub.quest";
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// DELETE Lines 330-331:
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const slotHostname = `${hostname}.${ZONE}`;
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// CHANGE Line 402:
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// FROM: slotHostname,
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// TO: slotHostname: hostname,
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```
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**Expected Behavior After Fix**:
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- provisionAgent passes: `hostname: "mc-vanilla-5074"` (SHORT)
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- EdgePublisher adds zone internally: `"mc-vanilla-5074.zerolaghub.quest"` (FQDN)
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- Matches original working version from commit 9138add
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### 2. **Documentation Updates**
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Updated `jester/zlh-grind` repository with:
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- SESSION_LOG.md: December 20 entry with work completed
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- OPEN_THREADS.md: Added "DNS Fix CRITICAL" as top priority
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- SCRATCH/dns_fix_reference.md: Quick reference with exact 3-line fix
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## 🔍 Technical Analysis
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### **Why DNS Records Weren't Creating**
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```
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CURRENT BROKEN FLOW:
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provisionAgent.js (line 402)
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├─ slotHostname: "mc-vanilla-5074.zerolaghub.quest" ← FQDN
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└─> EdgePublisher receives FQDN
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└─> Adds .zerolaghub.quest again
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└─> Creates: "mc-vanilla-5074.zerolaghub.quest.zerolaghub.quest" ← INVALID
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└─> DNS record creation FAILS
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CORRECT FLOW (after fix):
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provisionAgent.js (line 402)
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├─ slotHostname: "mc-vanilla-5074" ← SHORT
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└─> EdgePublisher receives SHORT
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└─> Adds .zerolaghub.quest internally
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└─> Creates: "mc-vanilla-5074.zerolaghub.quest" ← VALID
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└─> DNS record creation SUCCEEDS
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```
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### **Historical Context**
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- Original implementation (commit 9138add): Worked correctly with SHORT hostnames
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- Dev container refactor: Accidentally introduced ZONE variable and FQDN pre-appending
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- Bug symptom: Servers provision successfully but unreachable (DNS never created)
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## 📋 Next Session Priorities
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### **Immediate (Start of Next Session)**
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1. **Apply DNS Fix** - 3-line change in provisionAgent.js (5 minutes)
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2. **Test End-to-End** - Provision new server, verify DNS creates (10 minutes)
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3. **Verify EdgePublisher** - Confirm it still adds zone suffix internally (5 minutes)
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### **Then Continue With**
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- Dev containers implementation (Day 1 of 3-day sprint)
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- WebSocket console streaming
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- EdgeState reliability improvements
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## 🛠 Files Modified
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**None** - Bug identified but fix deferred to next session to maintain context
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## 🔗 Reference Documentation
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- **Quick Fix Guide**: `jester/zlh-grind/SCRATCH/dns_fix_reference.md`
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- **Session Log**: `jester/zlh-grind/SESSION_LOG.md`
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- **Open Threads**: `jester/zlh-grind/OPEN_THREADS.md`
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## 📊 Platform Status
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**Before Session**: 85% complete, DNS bug blocking
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**After Session**: 85% complete, DNS fix identified and documented
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**Next Session**: Apply 3-line fix → 90% complete (DNS functional)
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## 💡 Key Insights
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1. **Root Cause**: Dev container refactor broke hostname formatting contract
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2. **EdgePublisher Contract**: Expects SHORT hostname, adds zone internally
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3. **Quick Win**: 3-line fix resolves critical DNS blocking issue
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4. **Documentation**: Complete fix guide ready for GPT implementation
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---
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**Session Duration**: ~45 minutes
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**Session Type**: Debugging + Documentation
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**Next AI**: GPT (implementation of 3-line DNS fix)
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**Blocking Issue**: Resolved (fix identified, ready to apply)
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