Each controller should use individual service account credentials

kubernetes

Set up the kubernetes integration.

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Description

Each controller should use individual service account credentials. The controller manager creates a service account per controller in the kube-system namespace, generates a credential for it, and builds a dedicated API client with that service account credential for each controller loop to use. Setting the --use-service-account-credentials to true runs each control loop within the controller manager using a separate service account credential. When used in combination with RBAC, this ensures that the control loops run with the minimum permissions required to perform their intended tasks.

Remediation

Edit the Controller Manager pod specification file /etc/kubernetes/manifests/kube-controller-manager.yaml on the master node to set the below parameter:

--use-service-account-credentials=true