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Chapter 6. Checking audit logs
Audit logs record API requests to the MicroShift API server and can help you identify pod security violations and investigate suspicious requests.
6.1. Identifying pod security violations through audit logs Link kopierenLink in die Zwischenablage kopiert!
You can identify pod security admission violations in a workload by viewing the server audit logs. To do this, you must access and parse audit logs to find these violations.
Prerequisites
-
You have installed the
jqutility. - You have root access to the node.
Procedure
Retrieve the node name by running the following command:
$ NODE_NAME=$(oc get node -ojsonpath='{.items[0].metadata.name}')View the available audit logs by running the following command:
$ oc adm node-logs ${NODE_NAME} --path=kube-apiserver/Example output
rhel-94.lab.local audit-2024-10-18T18-25-41.663.log rhel-94.lab.local audit-2024-10-19T11-21-29.225.log rhel-94.lab.local audit-2024-10-20T04-16-09.622.log rhel-94.lab.local audit-2024-10-20T21-11-41.163.log rhel-94.lab.local audit-2024-10-21T14-06-10.402.log rhel-94.lab.local audit-2024-10-22T06-35-10.392.log rhel-94.lab.local audit-2024-10-22T23-26-27.667.log rhel-94.lab.local audit-2024-10-23T16-52-15.456.log rhel-94.lab.local audit-2024-10-24T07-31-55.238.logParse the audit logs to find pod security violations by running the following command:
$ oc adm node-logs ${NODE_NAME} --path=kube-apiserver/audit.log \ | jq -r 'select((.annotations["pod-security.kubernetes.io/audit-violations"] != null) and (.objectRef.resource=="pods")) | .objectRef.namespace + " " + .objectRef.name + " " + .objectRef.resource' \ | sort | uniq -c