A simple GO operator development learning journey

This is about a personal GO operator development learning journey you can follow along the different blog posts I made about the GO operator development using an own (mostly ;-)) simple example called Multi Tenancy Frontend Operator.

The objective is not to be a reference architecture or a perfect guide for every aspect of operator development and the Go programming language, there are a lot of other resources out there.

The objective is just to share what I have discovered until now and share it in following way …

  • … how to get it running
  • … always referencing to the major learning or material resources such as the Operator Lifecycle Manager (OLM), Operator SDK or others which were useful
  • … some simplified diagrams to provide an overview of basic dependencies

I would divide the learning journey in four major sections:

  1. Start to learn
  2. Local development
  3. Using the Operator Lifecycle Manager (OLM)
  4. Monitoring

… and as a reminder: There are many other topics to learn and to take care of.

1. Start to learn

About the learning resources which where useful to me and a little bit about the “why?”.

FYI: I did the two badge I mentioned in the first blog post.

2. Local development

Get the operator running on a local machine and using Kubernetes.
I verified my example project (Multi Tenancy Frontend Operator) also for these topics and it worked for me.

3. Using the Operator Lifecycle Manager (OLM)

I verified my example project (Multi Tenancy Frontend Operator) also for these topics and it worked for me:

4. Monitoring


Additional resources

YouTube videos

Here are two additional personal live streams on YouTube I made related to the topics of the learning journey above until now:

  • Build a GO operator:

Overview diagram

The following diagram is a simplified overview example of the dependencies for an operator deployed with Operator Lifecycle Manager (OLM). The operator is called your-operator and it shows all major dependencies of the existing resources when you finally will use your operator.


I hope this was useful to you and let’s see what’s next?

Greetings,

Thomas

#olm, #operatorsdk, #kubernetes, #bundle, #operator, #operatorlearningjourney, #golang

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