On k8s, where audit logs of starting/stopping pods or containers are stored?
On k8s, we often store logs in hostpath /var/log, and let one agent mount this path and be charged of flush these logfiles. I wonder if there is one file in hostpath, store the audit logs of starting/stopping pods or containers.
It is not enabled by default, but you can do it by Audit, which is a part of kube-apiserver functionality.
You should create a policy for Audit which will describe what you want to catch and then you have 2 options how to store them - push somewhere using WebHook or write to files on a Master node.
To enable writing to a file, you should set a CLI flag for kube-apiserver: --audit-log-path with a path for log files.
Also, I highly recommend you to set a size limit for that files by --audit-log-maxsize because they can be really big.