Neon Mirrors

Antrea: The Ubiquitous CNI

Jun 20, 2020 k8s

About six months ago, a new container network interface (CNI) was released to the world, this one coming out of VMware called Antrea. I had heard positive things about this new CNI and although I thought "great, yet another CNI", I decided to dive in, take a look, and see why the community needed a new one. …

Complete CI/CD for Hugo on AWS with GitHub Actions

May 3, 2020 blogging

For about five months now, I've been using Hugo to build my personal blog here at neonmirrors.net. It has been a great way for me to get more familiar with modern development practices and learn more about AWS in the process. It was somewhat of a learning curve what with me never having a blog previously, but now that …

Getting Started with Tanzu Kubernetes Grid

Apr 11, 2020 k8s vsphere

After VMworld US 2019 when the Tanzu portfolio was announced, there was naturally a lot of excitement for what VMware was doing around modern application development. Fast forward a couple months when more things were announced, names were changed, and Pivotal became part of VMware, and what Tanzu actually is and what …

Behind the Scenes with Cluster API Provider vSphere

Apr 8, 2020 k8s vsphere

The verdict is in and Kubernetes has proven a great success in its ability to deploy and manage containerized applications. And in that regard, it is now seen as the de facto platform for running cloud-native applications. A somewhat more recent project has emerged which seeks to apply that same system of desired state …

Buy Don't Build

Jan 25, 2020 thoughts

As long as I’ve been involved in technology, I’ve noticed a central theme which reappears countless times and is a powerful influencer in every decision, hire, and discussion. This theme invisibly steers businesses in meaningful ways yet isn't given enough serious thought by developers and technical folks. That theme, …

Why Kubernetes on Virtual Machines?

Jan 17, 2020 k8s vsphere

One of the arguments or debates (depending on how generous you are) that continues to rage in the world of Kubernetes is the old "bare metal versus virtual machines" subject. Some people seem to be all in on bare metal while you have those staunch opponents (as well as some hilarious memes) who advise not …

2020 Public Domain Day

Jan 4, 2020 thoughts

In addition to the customary "Happy New Year" we casually wish each other, the first of January also ushers in a new round of creative works entering the public domain around the world. In Canada, it's works authored by contributors who died in 1969; in the EU it's works authored by contributors who died in …

Authentication and Authorization in Kubernetes

Oct 30, 2019 K8s security authentication

Kubernetes is designed to be secured by default, and many of the built-in technologies and concepts are designed to ensure that is the case. Often times, the first exposure users will have to Kubernetes security will be to authentication and authorization: simply getting inside the cluster and being permitted to do …

pks-rancher-reg: Automated PKS Cluster Registration For Rancher

Oct 15, 2019 k8s rancher pks

My previous blog showed a method that can be used to stand up Rancher Server in HA on VMware PKS, and I’m going to build on it in this one. Having a Rancher Server environment is great for managing all sorts of Kubernetes clusters from the edge to those hosted in cloud providers, but we can also use it to manage VMware …

Rancher HA on Enterprise PKS

Sep 25, 2019 k8s rancher pks nsx-t

Rancher is a container orchestration and management tool that has been around for several years at this point and performs a variety of different functions. In more recent days, it has been refactored to completely adopt Kubernetes. In this blog, I am going to focus on how to build an enterprise-grade, …