Illya's Blog

Kubecon Keynote, Austine, TX, 2017

June 8, 2019

Do you want to know what it is like to run 15,000 pods in production? Are you interested in seeing how Kubernetes stands up to the record-breaking viewership and a login rate that is beyond belief on Game of Thrones Season 7 premiere? Come and see things we have done for the Game of Thrones preparation. We will talk about how we provision Kubernetes clusters on AWS, and how we monitor them and microservices that are running on the clusters … More Kubecon Keynote, Austine, TX, 2017

Docker with Amazon ECR

August 30, 2017

TL;DR; If you are using Amazon EC2 Container Registry for your Docker images, you are probably aware that you have to use Docker login for the registry via the Amazon Web Services (AWS) Command Line Interface (CLI) utility. This implies that you have to install and configure the AWS CLI and its dependency (Python), however, there are … More Docker with Amazon ECR

Kubernetes Requests and HPA – When Numbers Don’t Add Up

August 26, 2017

TL;DR: If you are using Kubernetes deployments with request.cpu set to a value other than 1.0 and Horizontal Pod Autoscaling – you may find that the CPU percentages reported by your pods are at odds with CPU percentages reported by HPA. Background Kubernetes provides a Quality of Service concept to pods in terms of requests and limits. According … More Kubernetes Requests and HPA – When Numbers Don’t Add Up

Configuring Certificates for Jenkins Kubernetes Plugin 0.12

August 26, 2017

TL;DR; Th Jenkins Kubernetes Plugin is a great tool to dynamically provision Jenkins slaves as pods on a Kubernetes Cluster(s). All you need to do is add and configure Kubernetes Cloud as part of the Jenkins configuration. While configuring Jenkins hosted on the Kubernetes cloud is very straight-forward in terms of credentials and accessibility, it … More Configuring Certificates for Jenkins Kubernetes Plugin 0.12