How to enable debug level logging for the kube-auth-api DaemonSet in Rancher v2.3+ provisioned Kubernetes clusters

This document (000020055) is provided subject to the disclaimer at the end of this document.

Situation

Task

The kube-auth-api DaemonSet is deployed to controlplane nodes, in Rancher v2.3+ provisioned Kubernetes clusters, to provide user authentication functionality for the authorized cluster endpoint. When troubleshooting an issue with authorized cluster endpoint authentication, it may be helpful to analyse the kube-auth-api logs at debug level, and this article details how to enable debug logging.

Pre-requisites

Resolution

  1. Navigate to the workloads view of the System project, within the Rancher UI, for the relevant Rancher provisioned cluster.

  2. Locate the kube-api-auth DaemonSet, within the cattle-system namespace, click the vertial elipses and select Edit, per the following screenshot:

    Edit the kube-api-auth daemonset

  3. Click Show advanced options in the bottom left.

  4. Expand the Command section, enter /usr/bin/kube-api-auth --debug serve in the Command field, per the following screenshat, and click Save:

    Replace the command with --debug option

  5. The kube-api-auth pod(s) will restart with the new debug logging configuration. Viewing the kube-api-auth logs you should now obeserve log messages with level=debug.

Further reading

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000020055
  • Creation Date: 06-May-2021
  • Modified Date:06-May-2021
    • SUSE Rancher

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