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CoreDNS Is Not Working, Causing Application Outage On An OKE Cluster (Doc ID 2631100.1)

Last updated on MARCH 12, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.

Goal

We no longer have K8s DNS working on a new cluster recently brought into service. External DNS is working fine, however internal Kubernetes- based DNS is no longer working:Noticing below-

Could not find endpoints for service "SAMPLE" in namespace "default". DNS records will be created once endpoints show up.

Solution

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In this Document
Goal
Solution


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