Visualizing cluster logs using ELK.

It's very essential to cater to kubernetes cluster logs for gathering information and monitoring cluster health. It's always a better practice to gather information and visualize them via graphs, curves to analyze the data and get better understanding about clusters. Via ELK stack logs can be collected and be visualized in a better way.

Below is the normal screenshot of Kibana dashboard -

Steps of collecting logs for kubernetes are -

To configure a place for log storing - Elasticsearch

Forwarding logs configuration - Logstash

Farming all logs from other nodes - Filebeat/Metricbeat

Visualizing logs - Kibana

Frontend to view dashboard - Ingress or traefik

Log rotation - Curator