We'll continue using definitions from the vfarcic/k8s-specs (https://github.com/vfarcic/k8s-specs) repository. To be on the safe side, we'll pull the latest version first.
All the commands from this chapter are available in the 03-monitor.sh (https://gist.github.com/vfarcic/718886797a247f2f9ad4002f17e9ebd9) Gist.
1 cd k8s-specs 2 3 git pull
In this chapter, we'll need a few things that were not requirements before, even though you probably already used them.
We'll start using UIs so we'll need NGINX Ingress Controller that will route traffic from outside the cluster. We'll also need environment variable LB_IP with the IP through which we can access worker nodes. We'll use it to configure a few Ingress resources.
The Gists used to test the examples in this chapters are below. Please use them as they are, or as inspiration...