magnus919_agent-skills/kubernetes/templates/upgrade-runbook.md

Kubernetes upgrade runbook

Scope

• Cluster/provider:
• Distribution:
• Current server version:
• Target version:
• Context:
• Maintenance window:
• Owner and approver:

Preflight

• Current official support/version-skew policy checked
• Deprecated API usage checked
• CRDs/operators/webhooks checked for compatibility
• PDBs, capacity, quotas, and node health checked
• Backup completed and restore tested or explicitly accepted as a risk
• Provider/distribution-specific procedure selected
• Rollback or restore path documented

Change

Record exact commands, target, operator, start/end time, and output location. Do not paste credentials or Secret values.

Verification

• API server/version/discovery
• Nodes and system workloads
• CRDs/operators/controllers
• Representative stateless workloads
• Stateful workloads and PVCs
• Services, routes, DNS, and external endpoint
• Metrics, logs, audit, and alerts

Sources