Installing Minikube and Prometheus on Ubuntu 20.04 as of 3/11/2023

Background

You might think it's strange that I've included a specific date in the title of this post, which means that you haven't tried to perform this kind of installation at two points in time some number of months apart. See, EVERYTHING in this space is changing rapidly. The latest and greatest way to install Prometheus in Kubernetes (whether it's actual K8s or minikube or anything else) is to install kube-prometheus-stack (https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-prometheus-stack) via a helm chart. But the specific details can be changed at any time. None of the many links I found gave me a working installation without modifying the commands at least a little. So I'm hoping this post is useful to at least one person before one or more changes make it obsolete.

Solution

Here's the script that will get everything installed. You can Google any of the commands you want to see why they're in here if you're curious. But if you just need a stinkin' cluster with Prometheus installed, the exact script to do it is below. Some additional links I used to get to this point:

Installing kube-prometheus-stack:

https://github.com/LianDuanTrain/Helm3/blob/master/3%20Helm%20Deep%20Dive/3-11%20Use%20Helm%203%20to%20Install%20Prometheus%20%20on%20MiniKube%20in%2010%20Mins.md

Better instructions that still needed to be cleaned up a bit:

https://getbetterdevops.io/setup-prometheus-and-grafana-on-kubernetes/