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Scenario #89
Cluster Management
K8s v1.19, AWS EKS
Failed Pod Upgrade Due to Incompatible API Versions
A pod upgrade failed because it was using deprecated APIs not supported in the new version.
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What Happened
When upgrading to a new Kubernetes version, a pod upgrade failed due to deprecated APIs in use.
Diagnosis Steps
- 1Checked the pod spec and identified deprecated API versions in use.
- 2Verified the Kubernetes changelog for API deprecations in the new version.
Root Cause
The pod was using APIs that were deprecated in the new Kubernetes version, causing the upgrade to fail.
Fix/Workaround
• Updated the pod spec to use supported API versions.
• Reapplied the deployment with the updated APIs.Lessons Learned
Regularly review Kubernetes changelogs for deprecated API versions.
How to Avoid
- 1Implement a process to upgrade and test all components for compatibility before applying changes.
- 2Use tools like kubectl deprecations to identify deprecated APIs.