infra/clusters/vntx/README.md

VNTX K3s Cluster

This cluster runs all infrastructure services previously deployed as individual VMs on Proxmox.

Architecture

• Platform: Flatcar Linux on Proxmox VE
• Kubernetes: K3s (lightweight Kubernetes)
• Nodes: 3 control plane + 2 worker nodes
• Storage: Longhorn distributed storage
• Load Balancer: MetalLB

Services

Infrastructure Services (infrastructure/)

• Monitoring: Icinga2, Prometheus, Grafana
• DNS: Unbound, CoreDNS
• Authentication: FreeRADIUS
• Reverse Proxy: Caddy

System Services (system/)

• Storage: Longhorn
• Ingress: Traefik (K3s default)
• Certificates: cert-manager
• Backups: Velero

Applications (apps/)

• User-facing applications

Deployment Order

1. Deploy Flatcar VMs via Terraform
2. Bootstrap K3s cluster via Ansible
3. Deploy system services
4. Deploy infrastructure services
5. Migrate data from existing VMs