GKE Troubleshooting

Purpose

Systematically diagnose and resolve common GKE issues. This skill provides structured debugging workflows, common causes, and proven solutions for the most frequent problems encountered in production deployments.

When to Use

Use this skill when you need to:

• Debug pods stuck in Pending, CrashLoopBackOff, or ImagePullBackOff status
• Troubleshoot networking issues (DNS failures, service connectivity)
• Fix Cloud SQL connection problems or IAM authentication errors
• Resolve Pub/Sub message processing issues
• Investigate resource exhaustion or scheduling failures
• Debug health probe failures
• Diagnose application crashes or startup issues

Trigger phrases: "pod not starting", "CrashLoopBackOff", "debug GKE issue", "Cloud SQL connection failed", "Pub/Sub not working", "pod pending"