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

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goaccess

GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal on *nix systems or through your browser. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly.

https://github.com/allinurl/goaccess
Managing Terraform State with Terragrunt

Why do devs choose Terragrunt to manage Terraform state? A look at the challenges of managing Terraform and the use cases for Terragrunt.

https://www.tinystacks.com/blog-post/managing-terraform-state-with-terragrunt
ntfy

ntfy (pronounce: notify) is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, entirely without signup or cost.

https://github.com/binwiederhier/ntfy
Does the GitOps Emperor Have No Clothes?

We like to think the git config repository is equivalent to how things change, but in reality, there is a gap between these static definitions and what actually happens.

https://thenewstack.io/does-the-gitops-emperor-have-no-clothes
greptimedb

GreptimeDB is an open-source time-series database with a special focus on scalability, analytical capabilities and efficiency. It's designed to work on infrastructure of the cloud era, and users benefit from its elasticity and commodity storage.

https://github.com/GreptimeTeam/greptimedb
THE MANY WAYS TO MANAGE ACCESS TO AN EC2 INSTANCE

https://blog.symops.com/2022/09/22/ec2-access
tftree

Display your Terraform module call stack as a tree in your terminal.

https://github.com/busser/tftree
Understanding Kubernetes Evicted Pods

https://sysdig.com/blog/kubernetes-pod-evicted
The Art of Logging

Creating a human- and machine-friendly logging format

https://betterprogramming.pub/creating-a-human-and-machine-freindly-logging-format-bb6d4bb01dca
How to easily configure Grafana Loki and Promtail to receive logs from Heroku

https://grafana.com/blog/2022/09/19/how-to-easily-configure-grafana-loki-and-promtail-to-receive-logs-from-heroku
kairos

With Kairos you can build immutable, bootable Kubernetes and OS images for your edge devices as easily as writing a Dockerfile. Optional P2P mesh with distributed ledger automates node bootstrapping and coordination. Updating nodes is as easy as CI/CD: push a new image to your container registry and let secure, risk-free A/B atomic upgrades do the rest.

https://github.com/kairos-io/kairos
What's Inside Of a Distroless Container Image: Taking a Deeper Look

https://iximiuz.com/en/posts/containers-distroless-images
allero

Allero is a policy tool that prevents misconfigurations in CI/CD pipelines. This helps prevent failures and security risks from reaching production. It also allows R&D teams be less dependent on DevOps engineers when building and maintaining CI/CD pipelines. Allero comes with built-in rules, and developed to be as friendly as possible for you to create your own rules!

https://github.com/allero-io/allero
External Debugging Tools 1: dtrace and strace

Track bugs within an application and its external dependencies without the source code or deep knowledge of the environment using these amazing tools!

https://talktotheduck.dev/external-debugging-tools-dtrace-strace
xg2xg

A handy lookup table of similar technology and services to help ex-googlers survive the real world

https://github.com/jhuangtw/xg2xg
Improving Application Availability with Pod Readiness Gates

Making sure your application running in Kubernetes is available and ready to serve traffic can be very easy with Pod liveness and readiness probes. However, not all application are built to be able to use probes or in some cases require more complex readiness checks which these probes simply cannot perform. Is there however any other solution, if Pod probes just aren't good enough?

https://martinheinz.dev/blog/63