Kubernetes Crashloop Diagnostic Runbook

Diagnoses CrashLoopBackOff pods in Kubernetes clusters using kubectl and the Kubernetes API. Fetches pod events, container logs, and resource limits via the /api/v1/namespaces/{ns}/pods/{name}/log endpoint. Provides structured root-cause analysis covering OOMKilled, missing ConfigMaps, failed liveness probes, and image pull errors.

Installation

Use the upstream install or setup path that matches your environment:

• git clone https://github.com/kubernetes/kubernetes
• make
• make quick-release

Requirements and caveats from upstream:

• You have a working Docker environment.

• Source: https://github.com/kubernetes/kubernetes

• Extracted from upstream docs: https://raw.githubusercontent.com/kubernetes/kubernetes/HEAD/README.md

Source

• Agent Skill Exchange