Register Harvester with Argo CD

[jmgilman]

Add Harvester as a managed cluster in Argo CD to enable GitOps management.

Prerequisites:

• Harvester 3-node cluster operational
• Harvester UI accessible at https://harvester.lab.local

Tasks:

• Extract Harvester kubeconfig from Harvester UI or API

• Create Argo CD cluster Secret:

  apiVersion: v1
  kind: Secret
  metadata:
    name: harvester
    namespace: argocd
    labels:
      argocd.argoproj.io/secret-type: cluster
      lab.gilman.io/cluster-name: harvester
  type: Opaque
  stringData:
    name: harvester
    server: https://10.10.10.11:6443
    config: |
      {
        "tlsClientConfig": { ... }
      }

• Apply secret to platform cluster

• Verify Harvester appears in Argo CD cluster list

• Verify ApplicationSet can now route apps to Harvester

Reference:

• docs/architecture/appendices/B_bootstrap_procedure.md (Step 14)
• docs/architecture/07_deployment_view.md (Harvester as Managed Cluster)

[linear]

HOM-12