Scaling the Kubernetes Cluster in Azure Stack

This is a follow-up to my post about the Kubernetes Cluster running on Azure Stack. In that post, I asked myself how to scale a deployed cluster and how to update the cluster. Since that post went live, I’ve done experimentation on my own, and also learned a few things about the deployment toolset being used for the Kubernetes Cluster Template.

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Using Azure Speech Service with PowerShell

The 100th episode of Buffer Overflow – a weekly tech news podcast I host – is steadily approaching. As I write this, we are getting ready to record episode 98. In preparation for the 100th episode, I thought it might be nice to look over past episodes and find some common themes, running gags, and anything else that caught my eye. At an average of 35 minutes, that’s roughly 57 hours of combined audio. There’s no way I could listen to the entirety of the episodes, and so I started thinking. What if I could transcribe the audio to text, and then search through the text to find all the times we talked about Derrick and Miranda, how we’re all doomed, or smiling poop? The Azure Speech to Text API can be used to convert speech to text of audio files. Why not start there?

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Azure Stack Kubernetes Cluster is NOT AKS

If you’ve been test driving Azure Stack with a full stamp or just the ASDK, you may have decided to try out the Kubernetes Cluster template that is available in the marketplace syndication. This post is meant to walk through what the K8s template is, what it isn’t, and how it works.

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Deploying a Kubernetes Cluster on Azure Stack fails

I just finished updating my Azure Stack ASDK to the latest 1901 version. Before the upgrade I was messing around with the Kubernetes cluster offering, and I wanted to get that added back to my ASDK now that I’ve performed the update. I rushed through the process, and of course got an error. And that error was not very helpful. Just in case you’re like me, and missed a step in the setup for K8s on Azure Stack, here are the various error messages and the solution.

The TL;DR? Add the Service Principal you created for K8s as a Contributor on the subscription the cluster will be running in.

You’re welcome.

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Using Azure Active Directory Authentication with HashiCorp Vault – Part 2

This is the second and probably final post in this series. If you haven’t read the first post I would highly recommend it. When we last left our erstwhile heroes, they had successfully setup the Azure authentication method on a Vault server and created a policy associated with a role in the Azure auth method. The policy grants access to a key-value store called webkv. Now comes the fun part, how does an Azure VM go about using the Azure auth method to access the secrets stored in webkv? So glad you asked!

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