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Complete documentation for future sessions

Browse Source 
- CLAUDE.md for AI agents to understand the codebase
- GITEA-GUIDE.md centralizes all Gitea operations (API, Registry, Auth)
- DEVELOPMENT-WORKFLOW.md explains complete dev process
- ROADMAP.md, NEXT-SESSION.md for planning
- QUICK-REFERENCE.md, TROUBLESHOOTING.md for daily use
- 40+ detailed docs in /docs folder
- Backend as submodule from Gitea

Everything documented for autonomous operation.

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>
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2026-01-20 00:36:53 +01:00
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# ✅ AiWorker Kubernetes Cluster - Setup Completo
**Fecha**: 2026-01-19
**Estado**: ✅ Producción Ready
## 🎯 Resumen del Cluster
### Infraestructura Desplegada
| Componente | Cantidad | Plan | Specs | IP Pública | IP Privada |
|------------------|----------|------------|--------------------------|------------------|-------------|
| Control Planes | 3 | gp.starter | 4 vCPU, 8 GB RAM | 108.165.47.x | 10.100.0.2-4|
| Workers | 3 | gp.small | 8 vCPU, 16 GB RAM | 108.165.47.x | 10.100.0.5-7|
| Load Balancers | 2 | gp.micro | 2 vCPU, 4 GB RAM | 221, 203 | 10.100.0.8-9|
| **Total** | **8** | | **48 vCPU, 104 GB RAM** | | |
### Software Stack
| Componente | Versión | Estado | Propósito |
|-------------------------|--------------|--------|-------------------------------------|
| K3s | v1.35.0+k3s1 | ✅ | Kubernetes distribution |
| Nginx Ingress | latest | ✅ | HTTP/HTTPS routing |
| Cert-Manager | v1.16.2 | ✅ | TLS certificates automation |
| ArgoCD | stable | ✅ | GitOps continuous delivery |
| HAProxy | 2.8.16 | ✅ | Load balancing (on LB nodes) |
| Metrics Server | included | ✅ | Resource metrics |
| CoreDNS | included | ✅ | Cluster DNS |
| Local Path Provisioner | included | ✅ | Dynamic storage |
## 🌐 Arquitectura de Red
```
Internet
↓
[DNS: *.fuq.tv]
↓
┌─────────────┴─────────────┐
↓ ↓
[LB-01: .221] [LB-02: .203]
HAProxy HA HAProxy HA
↓ ↓
└─────────────┬─────────────┘
↓
[Private Network 10.100.0.0/24]
↓
┌───────────────────┼───────────────────┐
↓ ↓ ↓
[CP-01: .2] [CP-02: .3] [CP-03: .4]
K3s + etcd K3s + etcd K3s + etcd
↓ ↓ ↓
─────┴───────────────────┴───────────────────┴─────
↓ ↓ ↓
[Worker-01: .5] [Worker-02: .6] [Worker-03: .7]
Nginx Ingress Nginx Ingress Nginx Ingress
↓ ↓ ↓
[Pods] [Pods] [Pods]
```
## 🔐 Accesos
### Kubernetes
```bash
# Kubeconfig
export KUBECONFIG=~/.kube/aiworker-config
# Comandos
kubectl get nodes
kubectl get pods -A
kubectl get ingress -A
```
### ArgoCD
- **URL**: https://argocd.fuq.tv
- **Usuario**: admin
- **Password**: `LyPF4Hy0wvp52IoU`
### HAProxy Stats
- **LB-01**: http://108.165.47.221:8404/stats
- **LB-02**: http://108.165.47.203:8404/stats
- **Credentials**: admin / aiworker2026
## 📋 DNS Configuración
**Configurado en fuq.tv:**
```
*.fuq.tv A 108.165.47.221
*.fuq.tv A 108.165.47.203
*.r.fuq.tv A 108.165.47.221
*.r.fuq.tv A 108.165.47.203
```
**Subdominios disponibles:**
- `app.fuq.tv` - Dashboard frontend
- `api.fuq.tv` - Backend API
- `git.fuq.tv` - Gitea server
- `argocd.fuq.tv` - ArgoCD UI
- `*.r.fuq.tv` - Preview environments (task-123.r.fuq.tv)
## 🧪 Verificación
### Test Application
```bash
# HTTP (redirect a HTTPS)
curl http://test.fuq.tv
# HTTPS con TLS
curl https://test.fuq.tv
# Verificar certificado
curl -v https://test.fuq.tv 2>&1 | grep "issuer"
```
### Cluster Health
```bash
# Nodes
kubectl get nodes -o wide
# System pods
kubectl get pods -A
# Certificates
kubectl get certificate -A
# Ingresses
kubectl get ingress -A
```
## 📁 Namespaces Creados
| Namespace | Propósito | Resource Quota |
|-----------------|----------------------------------------|-----------------------|
| control-plane | Backend, API, MySQL, Redis | 8 CPU, 16 GB RAM |
| agents | Claude Code agent pods | 20 CPU, 40 GB RAM |
| gitea | Git server | 2 CPU, 4 GB RAM |
| monitoring | Prometheus, Grafana (futuro) | - |
| argocd | GitOps controller | - |
| ingress-nginx | Ingress controller | - |
| cert-manager | TLS management | - |
## 💰 Costos Mensuales
```
Control Planes: 3 × $15 = $45
Workers: 3 × $29 = $87
Load Balancers: 2 × $8 = $16
─────────────────────────────
Total: $148/mes
```
## 🔄 Alta Disponibilidad
✅ **Control Plane**: 3 nodos con etcd distribuido - tolera 1 fallo
✅ **Workers**: 3 nodos - workload distribuido
✅ **Load Balancers**: 2 nodos con DNS round-robin - tolera 1 fallo
✅ **Ingress**: Corriendo en todos los workers - redundante
✅ **Storage**: Local path provisioner en cada nodo
## 🚀 Próximos Pasos
1. **Desplegar Gitea**
```bash
kubectl apply -f k8s/gitea/
```
2. **Desplegar Backend**
```bash
kubectl apply -f k8s/backend/
```
3. **Desplegar Frontend**
```bash
kubectl apply -f k8s/frontend/
```
4. **Configurar ArgoCD**
- Conectar repositorio Git
- Crear Applications
- Configurar auto-sync
## 📝 Archivos Importantes
- `CLUSTER-CREDENTIALS.md` - Credenciales y accesos (⚠️ NO COMMITEAR)
- `k8s-cluster-info.md` - Info técnica del cluster
- `scripts/install-k3s-cluster.sh` - Script instalación completa
- `scripts/setup-load-balancers.sh` - Script configuración LBs
- `docs/` - Documentación completa del proyecto
## 🔧 Mantenimiento
### Backup etcd
```bash
ssh root@108.165.47.233 "k3s etcd-snapshot save"
```
### Actualizar K3s
```bash
# En cada nodo (empezar por workers, luego control planes)
ssh root@<node-ip> "curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=v1.X.X+k3s1 sh -"
```
### Monitoreo
```bash
# Resource usage
kubectl top nodes
kubectl top pods -A
# Logs
kubectl logs -f -n <namespace> <pod>
# Events
kubectl get events -A --sort-by='.lastTimestamp'
```
## 🎉 Estado Final
**Cluster Status**: ✅ Production Ready
**Capacidad Total**:
- 48 vCPUs
- 104 GB RAM
- ~2.5 TB Storage
- HA en todos los componentes críticos
**Probado**:
- ✅ Cluster HA funcional
- ✅ Nginx Ingress routing
- ✅ TLS automático con Let's Encrypt
- ✅ DNS resolution
- ✅ Load balancing
- ✅ Private network communication
**Listo para**:
- ✅ Desplegar aplicaciones
- ✅ GitOps con ArgoCD
- ✅ Auto-scaling de pods
- ✅ Certificados TLS automáticos
- ✅ Preview environments
---
**¡Cluster AiWorker listo para producción! 🚀**