ff31cb4e74
Implement HA control plane with Load Balancer (3-3 topology)
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Major changes:
- Terraform: Scale to 3 control planes (cx23) + 3 workers (cx33)
- Terraform: Add Hetzner Load Balancer (lb11) for Kubernetes API
- Terraform: Add kube_api_lb_ip output
- Ansible: Add community.network collection to requirements
- Ansible: Update inventory to include LB endpoint
- Ansible: Configure secondary CPs and workers to join via LB
- Ansible: Add k3s_join_endpoint variable for HA joins
- Workflow: Add imports for cp-2, cp-3, and worker-3
- Docs: Update STABLE_BASELINE.md with HA topology and phase gates
Topology:
- 3 control planes (cx23 - 2 vCPU, 8GB RAM each)
- 3 workers (cx33 - 4 vCPU, 16GB RAM each)
- 1 Load Balancer (lb11) routing to all 3 control planes on port 6443
- Workers and secondary CPs join via LB endpoint for HA
Cost impact: +~€26/month (2 extra CPs + 1 extra worker + LB)
2026-03-23 02:39:39 +00:00
8d1f9f4944
fix: add k3s reset logic for primary control plane
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2026-03-21 16:10:17 +00:00
d4fd43e2f5
refactor: simplify k3s-server bootstrap for
2026-03-21 15:48:33 +00:00
9d2f30de32
fix: prepare k3s for external cloud provider
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2026-03-17 01:21:23 +00:00
f0dd31c552
fix: only manage kubeconfig on primary control plane
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2026-03-01 03:02:37 +00:00
b703cb269b
fix: bootstrap k3s HA on private network with dual SANs
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2026-03-01 02:45:00 +00:00
a5ea696e0f
chore: capture k3s secondary install diagnostics on failure
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2026-03-01 02:05:07 +00:00
2ae16414a0
fix: remove strict 9345 precheck for secondary join
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2026-03-01 01:42:28 +00:00
063d6dfcc0
fix: auto-reset broken secondary k3s servers and precheck join ports
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2026-03-01 01:25:20 +00:00
f699936172
fix: increase k3s readiness timeout and emit diagnostics on failure
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2026-03-01 00:59:17 +00:00
27b29322cd
fix: use private network IPs for k3s join and node addressing
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2026-03-01 00:42:55 +00:00
1db435cd42
fix: Use private IP for k3s HA cluster join and advertise
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2026-03-01 00:32:03 +00:00
691b3ed316
fix: Check for k3s service instead of binary for proper HA join detection
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2026-02-28 23:16:39 +00:00
3b3084b997
feat: Add HA Kubernetes cluster with Terraform + Ansible
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- 3x CX23 control plane nodes (HA)
- 4x CX33 worker nodes
- k3s with embedded etcd
- Hetzner CCM for load balancers
- Gitea CI/CD workflows
- Backblaze B2 for Terraform state
2026-02-28 20:24:55 +00:00
