DevOps&SRE Library – Telegram
DevOps&SRE Library
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Библиотека статей по теме DevOps и SRE.

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bunster

Have you ever wished your shell noscripts could be faster, more portable, and secure ? Bunster brings this to life by transforming your shell noscripts into efficient, standalone binaries that are easy to distribute and deploy across platforms (only unix is supported at the moment).

Unlike other tools, Bunster doesn’t just wrap your noscripts in a binary—it compiles them down to efficient native machine code, leveraging the powerful Go toolchain. This ensures performance, portability, and robustness.

Technically speaking, Bunster in fact is a shell-to-Go Transpiler that generates Go source out of your noscripts. Then, optionally uses the Go Toolchain to compile the code to an executable program.

Bunster targets bash noscripts in particular. The current syntax and features are all inherited from bash. additional shells will be supported as soon as we release v1.


https://github.com/yassinebenaid/bunster
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opengrep

Static code analysis engine to find security issues in code.


https://github.com/opengrep/opengrep
Scalable and Organized Terraform Project Structure

Due to the lack of official guidelines for structuring larger Terraform projects, teams often face challenges like waiting for state locks and slow apply times. This post presents a scalable Terraform project structure designed to address these challenges.


https://www.vidbregar.com/blog/terraform-project-structure
terraschema

TerraSchema (or terraschema) is a CLI tool which scans Terraform configuration (.tf) files, parses a list of variables along with their type and validation rules, and converts them to a schema which complies with JSON Schema Draft-07.


https://github.com/HewlettPackard/terraschema
Restructuring How We Think About Alerts

Back in Alerts Are Fundamentally Messy, I made the point that the events we monitor are often fuzzy and uncertain. To make a distinction between what is valid or invalid as an event, context is needed, and since context doesn’t tend to exist within a metric, humans go around and validate alerts to add it. As such, humans are part of the alerting loop, and alerts can be framed as devices used to redirect our attention.

In this post, I want to drive this concept a bit further. Rather than focusing the thinking on the events that result in alerts, I want to switch the lens with which we look at the system and center it on the operators who get the message, and on how we can restructure our alerting to play these roles better.


https://www.honeycomb.io/blog/restructuring-how-we-think-about-alerts
Kubernetes Best Practices I Wish I Had Known Before

In this post, I will highlight some crucial Kubernetes best practices. They are from my years of experience with Kubernetes in production. Think of this as the curated “Kubernetes cheat sheet” you wish you had from Day 1. Buckle up; it’s going to be an exciting ride.


https://www.pulumi.com/blog/kubernetes-best-practices-i-wish-i-had-known-before
Node.js 20 upgrade: a journey through unexpected HEAP issues with Kubernetes

https://deezer.io/node-js-20-upgrade-a-journey-through-unexpected-heap-issues-with-kubernetes-27ae3d325646
How to Optimize Kubernetes for Large Docker Images

https://hackernoon.com/how-to-optimize-kubernetes-for-large-docker-images
Efficiently Handling PostgreSQL Schema Migrations in Kubernetes

Learn how to handle PostgreSQL migrations in Kubernetes using Helm hooks, preventing deadlocks and automating rollback with practical code examples.


https://blog.devgenius.io/efficiently-handling-postgresql-schema-migrations-in-kubernetes-201bf739acbd
flux-operator

The Flux Operator is a Kubernetes CRD controller that manages the lifecycle of CNCF Flux CD and the ControlPlane enterprise distribution.


https://github.com/controlplaneio-fluxcd/flux-operator
lume

A lightweight CLI and local API server to create, run and manage macOS and Linux virtual machines (VMs) natively on Apple Silicon.


https://github.com/trycua/lume
Understand Scheduling in Kubernetes

Scheduling in Kubernetes is the process of assigning pods to worker nodes. This article will explain how the process of scheduling works and all the possible ways to tune it to our desires.


https://medium.com/@josip.cloud/understand-scheduling-in-kubernetes-1c7b24050638
Overview of Kubernetes CNI Network Models: VETH & Bridge / Overlay / BGP

https://medium.com/@rifewang/overview-of-kubernetes-cni-network-models-veth-bridge-overlay-bgp-ea9bfa621d32
Streamlining Helm Values Files with YAML Anchors

In the ever-evolving world of Kubernetes and Helm, managing configuration files efficiently is crucial for smooth deployments. Helm, the popular package manager for Kubernetes, uses YAML files for configuration, which can sometimes become complex and repetitive. One powerful feature that can simplify this process is YAML anchors. This blog will explore how YAML anchors can reduce redundancy and make your Helm values files more manageable and readable.


https://dev.to/pczavre/streamlining-helm-values-files-with-yaml-anchors-bpp