Tag: devops
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IAM Roles for any workload
ReadBackground A few month back a client of mine wanted to use GitLab pipeline to deploy infrastructure on AWS with Terraform. The key question is…
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Authentication to kube-apiserver via OIDC
ReadBackground There are many benefits of using OIDC to authenticate to kube-api server, especially with multiple clusters that need consistent log-in experience. With the last…
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Kubernetes Platform as a Service and Red Hat OpenShift
ReadThe Three-layer model Kubernetes is so complex that it becomes a buzz word itself. I categorize the related work into three layers: a cluster layer,…
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Kubernetes with Multiple CPU Architectures 2 of 2 – Node and Workload
ReadThe most common server CPU architectures today are amd64 (aka x86_64) and arm64. Although AMD developed the former first, Intel names it as x86_64 (or…
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Kubernetes with Multiple CPU Architectures 1 of 2 – Container Image
ReadWhile working on a multi-arch Kubernetes cluster, I came across quite a few issues with image logistics and decided to put these issues in a…
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GitHub Action Gotchas
ReadI started with GitHub Actions a couple years ago. Recently I came across a few interesting use cases while I was trying to setup Terraform…