The preceding EFK stack collects Pods' logs only, because Fluentd is monitoring /var/log/containers/* in the Kubernetes node host. It is good enough to monitor an application's behavior, but, as a Kubernetes administrator, you also need some Kubernetes system logs such as master and node logs.
There is an easy way to achieve Kubernetes system log management that integrates with the EFK stack; add a Kubernetes Event Exporter, which keeps monitoring a Kubernetes event. When the new event has occurred, send a log to Elasticsearch. So, you can monitor a Kubernetes event with Kibana as well.
We have prepared an Eventer (Event Exporter) add-on (https://raw.githubusercontent.com/kubernetes-cookbook/second-edition/master/chapter9/9-1/eventer.yml ...
