Lego World – No One DevOps Solution Fits All

I was entertaining the idea of Lego-style DevOps software for quite a while now. I wanted to write about this pretty much after success of my previous post about microservices, but then the whole situation with the virus started to unfold – which led me to a bit of paralysis. Today I’m trying to break… Continue reading Lego World – No One DevOps Solution Fits All

Simple Card Shuffler For Mafia Game

Due to self-isolation we switched from weekly playing mafia (werewolf) game offline to online (via zoom). But we needed a card shuffle mechanics, so I wrote this one: https://mafia.brolia.com over weekend. Source code on GitHub:Back-end – https://github.com/taleodor/mafia-express UI – https://github.com/taleodor/mafia-vue Note that this assumes classic rules, namely only 4 roles: villager, mafia, godfather, sherrif. Sample… Continue reading Simple Card Shuffler For Mafia Game

Microservices – Combinatorial Explosion of Versions

As the IT world transitions to microservices and tools like Kubernetes are roaring, there is this one lingering issue that slowly comes full force. That is Combinatorial Explosion of versions of various microservices. Community expectation is that it is potentially much better than the dependency hell of the previous era. But nonetheless versioning of products… Continue reading Microservices – Combinatorial Explosion of Versions

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Reliza Hub Tutorial Using Our Playground

Reliza Hub is a DevOps Metadata Management System. It helps manage software releases in the era of kubernetes and micro-services. Tutorial covers the following: Projects and Products, and how to create releases for them How to connect CI script to generate new Project releases (we use GitHub Actions as an example) How to send data… Continue reading Reliza Hub Tutorial Using Our Playground

Automatic Version Increments With Reliza Hub: 2 Strategies

This article describes how to set up automated version increments for use in CI build pipelines. I will go over 2 possible strategies: for simple CalVer workflow I would be using open-source Reliza Versioning tool. For fully synchronized workflow I would be using Reliza Hub SaaS. I Choosing Versioning Schema For a software architect, one… Continue reading Automatic Version Increments With Reliza Hub: 2 Strategies

Kubernetes – list all deployed images with sha256 hash

While there is official documentation how to list all kubernetes images here, it’s missing imageID field that includes sha256 hash. Sha256 digest is crucial for our use-case at Reliza, so here are working commands to list all images and all image ids: Notes: Tried on kubernetes 1.17 Images returned are whitespace separated Images are duplicated… Continue reading Kubernetes – list all deployed images with sha256 hash