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aiworker/k8s-cluster-info.md
Hector Ros db71705842 Complete documentation for future sessions
- CLAUDE.md for AI agents to understand the codebase
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- DEVELOPMENT-WORKFLOW.md explains complete dev process
- ROADMAP.md, NEXT-SESSION.md for planning
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Everything documented for autonomous operation.

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>
2026-01-20 00:37:19 +01:00

3.9 KiB

AiWorker Kubernetes HA Cluster

Location: Houston, Texas (us-hou-1) Created: 2026-01-19 K3s Version: v1.35.0+k3s1 Network: 10.100.0.0/24 (k8s-cluster-network)

Architecture

                    [Floating IP]
                         |
            ┌────────────┴────────────┐
            |                         |
      [LB-01 (HA)]            [LB-02 (HA)]
            |                         |
            └────────────┬────────────┘
                         |
         ┌───────────────┼───────────────┐
         |               |               |
    [CP-01]         [CP-02]         [CP-03]
    etcd HA          etcd HA         etcd HA
         |               |               |
    ─────┴───────────────┴───────────────┴─────
         |               |               |
    [Worker-01]     [Worker-02]     [Worker-03]

Control Plane Nodes (gp.starter: 4 vCPU, 8 GB RAM)

Hostname Public IP Private IP Role
k8s-cp-01 108.165.47.233 10.100.0.2 control-plane,etcd
k8s-cp-02 108.165.47.235 10.100.0.3 control-plane,etcd
k8s-cp-03 108.165.47.215 10.100.0.4 control-plane,etcd

Worker Nodes (gp.small: 8 vCPU, 16 GB RAM)

Hostname Public IP Private IP Role
k8s-worker-01 108.165.47.225 10.100.0.5 worker
k8s-worker-02 108.165.47.224 10.100.0.6 worker
k8s-worker-03 108.165.47.222 10.100.0.7 worker

Load Balancers (gp.micro: 2 vCPU, 4 GB RAM)

Hostname Public IP Private IP Purpose
k8s-lb-01 (pending) (pending) HAProxy Primary
k8s-lb-02 (pending) (pending) HAProxy Backup

K3s Configuration

# Token
K10e74a5aacfaf4e2e0a291c3b369db8588cf0b9c2590a4d66e04ab960e24fcb4db::server:bc53704a9707d3cd9188af9e558ab50c

# API Server (via LB - will be configured)
https://<floating-ip>:6443

# Direct access (temporary)
https://108.165.47.233:6443

Network Configuration

  • Private Network: 10.100.0.0/24 (eth1)
  • Flannel Interface: eth1
  • All internal communication: via private IPs
  • External access: via public IPs (with firewall)

SSH Access

# Control Planes
ssh root@108.165.47.233  # k8s-cp-01
ssh root@108.165.47.235  # k8s-cp-02
ssh root@108.165.47.215  # k8s-cp-03

# Workers
ssh root@108.165.47.225  # k8s-worker-01
ssh root@108.165.47.224  # k8s-worker-02
ssh root@108.165.47.222  # k8s-worker-03

Kubeconfig

# Local kubeconfig
~/.kube/aiworker-config

# Usage
export KUBECONFIG=~/.kube/aiworker-config
kubectl get nodes

# Or
kubectl --kubeconfig ~/.kube/aiworker-config get nodes

Cost Summary

Component Plan Qty Unit Price Total/Month
Control Planes gp.starter 3 $15/mo $45
Workers gp.small 3 $29/mo $87
Load Balancers gp.micro 2 $8/mo $16
Total 8 $148/mo

Cluster Health

# Check nodes
kubectl get nodes -o wide

# Check system pods
kubectl get pods -A

# Check etcd cluster
kubectl get endpoints -n kube-system kube-apiserver

# Cluster info
kubectl cluster-info

Next Steps

  1. Cluster deployed
  2. 🔄 Configure load balancers (HAProxy)
  3. Setup floating IP for HA
  4. Install Nginx Ingress Controller
  5. Install Cert-Manager
  6. Deploy AiWorker application