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Chapter 6. Checking audit logs
You can use audit logs to identify pod security violations.
6.1. Identifying pod security violations through audit logs
You can identify pod security admission violations on a workload by viewing the server audit logs. The following procedure shows you how to access the audit logs and parse them to find pod security admission violations in a workload.
Prerequisites
-
You have installed
jq. -
You have access to the cluster as a user with the
cluster-adminrole.
Procedure
To retrieve the node name, run the following command:
$ <node_name>=$(oc get node -ojsonpath='{.items[0].metadata.name}')To view the audit logs, run the following command:
$ oc adm node-logs <node_name> --path=kube-apiserver/ 1- 1
- Replace <node_name> with the name of the node retrieved from the previous step.
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.log
To parse the affected audit logs, enter 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 1- 1
- Replace <node_name> with the name of the node retrieved from the previous step.
