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

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envio

envio is an open source CLI tool that helps make managing environment variables a breeze. With envio, users can create encrypted profiles that contain a collection of environment variables associated with a specific project or use case. envio ensures security and simplifies the development process by allowing users to easily switch between profiles as needed and load them in their current terminal session for immediate use.

https://github.com/humblepenguinn/envio
The quantum state of a TCP port

Have you noticed how simple questions sometimes lead to complex answers? Today we will tackle one such question. Category: our favorite - Linux networking.

https://blog.cloudflare.com/the-quantum-state-of-a-tcp-port
terraform-plan

GitHub Action to run Terraform plan and add a comment with the changes.

https://github.com/cds-snc/terraform-plan
Practical tips for rightsizing your Kubernetes workloads

In this post, we will explain how Kubernetes schedules pods on nodes and how that affects your resource usage. We will also share some practical tips to help you rightsize your Kubernetes workloads for cost efficiency and performance.

https://www.datadoghq.com/blog/rightsize-kubernetes-workloads
pyinfra

pyinfra automates infrastructure super fast at massive scale. It can be used for ad-hoc command execution, service deployment, configuration management and more.

https://github.com/Fizzadar/pyinfra
Key Elastic Dev Commands for Troubleshooting Disk Issues

Disk-related issues with Elasticsearch can present themselves through various symptoms. It is important to understand their root causes and know how to deal with them when they arise. As an Elasticsearch cluster administrator, you are likely to encounter some of the following cluster symptoms:

- Cannot create or modify an index
- Data is no longer written to some indices
- Shards are not getting allocated
- A node is missing

This article presents some helpful Dev Tools commands for troubleshooting and solving the underlying issues, along with recommendations to minimize the risk of disk-related problems occurring in your environment.

https://sematext.com/blog/elastic-dev-command-to-know-about-disk
supavisor

Supavisor is a scalable, cloud-native Postgres connection pooler. A Supavisor cluster is capable of proxying millions of Postgres end-client connections into a stateful pool of native Postgres database connections.

For database managers, Supavisor simplifies the task of managing Postgres clusters by providing easy configuration of highly available Postgres clusters

https://github.com/supabase/supavisor
20 Terraform Best Practices to Improve your TF workflow

In this article, we explore best practices for managing Infrastructure as Code (IaC) with Terraform. Terraform is one of the most used tools in the IaC space that enables us to safely and predictably apply changes to our infrastructure.

https://spacelift.io/blog/terraform-best-practices
plane

Open Source JIRA, Linear and Height Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.

https://github.com/makeplane/plane
Autometrics

Autometrics is an open source framework that makes it easy to understand the health and performance of your code in production.

https://github.com/autometrics-dev
aws-sam-wireguard

This is a serverless application that allows you to deploy a WireGuard VPN server on AWS using AWS Serverless Application Model (SAM). SAM is an open-source framework for building serverless applications that provides shorthand syntax to express functions, APIs, databases, and event source mappings.

https://github.com/ovcharenko/aws-sam-wireguard
Who reads your email?

This is the second blog post on the topic of the centralization of the internet.

https://www.netmeister.org/blog/mx-diversity.html
Oncall Compensation for Software Engineers

https://blog.pragmaticengineer.com/oncall-compensation
external-resizer

Sidecar container that watches Kubernetes PersistentVolumeClaims objects and triggers controller side expansion operation against a CSI endpoint

https://github.com/kubernetes-csi/external-resizer
highlight

The open source, full-stack monitoring platform. Error monitoring, session replay, logging and more. 

https://github.com/highlight/highlight
kubefirst

The Kubefirst CLI creates instant GitOps platforms that integrate some of the best tools in cloud native from scratch in minutes.

https://github.com/kubefirst/kubefirst
How to Find and Fix Elasticsearch Unassigned Shards

https://sematext.com/blog/elasticsearch-unassigned-shards
terraform-provider-docker

Terraform Docker provider

https://github.com/kreuzwerker/terraform-provider-docker
Provisioning Kubernetes clusters on AWS with Terraform and EKS

TL;DR: In this guide, you will learn how to create clusters on the AWS Elastic Kubernetes Service (EKS) with eksctl and Terraform. By the end of the tutorial, you will automate creating three clusters (dev, staging, prod) complete with the ALB Ingress Controller in a single click.

UPDATED IN JANUARY 2023

https://learnk8s.io/terraform-eks