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Should you see frequent SelfSubjectAccessReview requests after upgrading to Ocean Controller version 2?
After you upgrade to Ocean Controller version 2 in AKS, EKS, or GKE, you might notice many SelfSubjectAccessReview requests hitting your API server. These often appear in SIEM alerts and can look suspicious at first. This behavior is normal and expected.

Why you see frequent SelfSubjectAccessReview requests

Ocean Controller version 2 validates access to the custom resources you allowed through the controller’s cluster role. These resources might include objects such as Argo Rollouts or VerticalPodAutoscaler objects for rightsizing.

 

The controller lists these resources and checks permissions when it starts up. It continues to repeat these checks regularly while running. This activity ensures the controller can read and operate on all the resources you configured it to manage.

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Should you see frequent SelfSubjectAccessReview requests after upgrading to Ocean Controller version 2?