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

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Beyond Ingress Part II: Securing East-West Traffic with GKE Internal Gateway

This article will also focus on GKE Gateway, but now we're going to explore Internal Regional Gateway for load balancing east-west traffic (i.e. service-to-service) to your application. Leveraging our learnings from my previous post, we'll include the GKE external gateway in this architecture while using the Internal Regional Load Balancer gatewayclass (gke-l7-rilb) to load balance the service-to-service communications in the Bank of Anthos application.


https://medium.com/@bgillman_83663/beyond-ingress-part-ii-securing-east-west-traffic-with-gke-internal-gateway-7aef950aafe2
Designing for Failure: Chaos Engineering Best Practices

If you are leading an engineering team today, your job isn't to prevent failure. It is to design systems that thrive in it. This is the discipline of Chaos Engineering. It is not just about breaking things in production; it is a scientific method for validating resilience.


https://pulse.rajatgupta.work/designing-for-failure-chaos-engineering-best-practices-68503eb1b27b
Building a Centralized Multi Account AWS Monitoring Platform

I was previously part of an organization with 500+ devs with more than 25+ AWS accounts for each client which had to be managed by the DevOps team. The number of people in DevOps team was smaller than the accounts and all of them were mostly active with resources being allocated and deallocated frequently. We utilised many AWS services like EC2, S3, EKS, SageMaker, RDS, Redshift, Cloudfront, Route53, SSM etc


https://medium.com/@varunarora1408/building-a-centralized-multi-account-aws-monitoring-platform-6b14b59ae9d4
New Conversion from cgroup v1 CPU Shares to v2 CPU Weight

I'm excited to announce the implementation of an improved conversion formula from cgroup v1 CPU shares to cgroup v2 CPU weight. This enhancement addresses critical issues with CPU priority allocation for Kubernetes workloads when running on systems with cgroup v2.


https://kubernetes.io/blog/2026/01/30/new-cgroup-v1-to-v2-cpu-conversion-formula
cert-manager-webhook-pdns

A PowerDNS webhook for cert-manager


https://github.com/zachomedia/cert-manager-webhook-pdns
external-dns-provider-mikrotik

ExternalDNS is a Kubernetes add-on for automatically managing DNS records for Kubernetes ingresses and services by using different DNS providers. This webhook provider allows you to automate DNS records from your Kubernetes clusters into your MikroTik router.


https://github.com/mirceanton/external-dns-provider-mikrotik
Stakpak Agent

An open source agent that lives on your machines 24/7, keeps your apps running, and only pings when it needs a human. All the upside of a PaaS, none of the lock-in.


https://github.com/stakpak/agent
kubecfg

kubecfg is a Kubernetes kubeconfig manager for people who switch contexts often and need more than a thin wrapper around kubectl config.


https://github.com/kadirbelkuyu/kubecfg
Kubernetes Remote Code Execution Via Nodes/Proxy GET Permission

In this post I'll describe how to execute code on every Pod in many Kubernetes clusters when using a service account with nodes/proxy GET permissions. This issue was initially reported through the Kubernetes security disclosure process and closed as working as intended.


https://grahamhelton.com/blog/nodes-proxy-rce
Aetòs: From Chaos to Engineering Excellence — A 3-Year Transformation

How we transformed engineering productivity by building an Internal Developer Platform (IDP) that now processes ~50M API calls per day, manages 14,000 VMs, and powers 80+ releases per year and what you can learn from our journey.


https://medium.com/@charudatha/aet%C3%B2s-from-chaos-to-engineering-excellence-a-3-year-transformation-51a3f778678a
Kubernetes v1.35: Extended Toleration Operators to Support Numeric Comparisons (Alpha)

In Kubernetes v1.35, we're introducing Extended Toleration Operators as an alpha feature. This enhancement adds Gt (Greater Than) and Lt (Less Than) operators to spec.tolerations, enabling threshold-based scheduling decisions that unlock new possibilities for SLA-based placement, cost optimization, and performance-aware workload distribution.


https://kubernetes.io/blog/2026/01/05/kubernetes-v1-35-numeric-toleration-operators
📹Вебинар: Выбор между Serverless и Kubernetes для AI-ворклоадов: как определить оптимальную платформу под задачу

На открытом уроке рассмотрим:
- В чем различаются Serverless-подходы и Kubernetes при работе с AI-ворклоадами;
- Какие преимущества и ограничения есть у каждого подхода с точки зрения масштабируемости, стоимости и сложности эксплуатации;
- Какие трейдоффы нужно учитывать при выборе платформы: холодный старт, управление состоянием, поддержка GPU;
- Как обосновывать выбор архитектуры для разных AI-сценариев на практическом воркшопе.

После занятия вы будете знать:
- Как сравнивать Serverless и Kubernetes для различных AI-задач;
- Как выбирать платформу оркестрации в зависимости от требований к нагрузке, бюджету и архитектуре решения;
- Как учитывать ключевые технические ограничения при проектировании AI-инфраструктуры;
- Как аргументированно обосновывать выбор платформы для задач масштабирования, потоковой обработки данных и построения гибридных сред.

⚠️ Открытый урок проходит в преддверии старта курса «ИИ-архитектор».

👉 Для участия зарегистрируйтесь: https://vk.cc/cZywHe

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Migrating from Bitnami PostgreSQL to CloudNative-PG on Kubernetes

If you're running PostgreSQL on Kubernetes, chances are you've used Bitnami's popular Helm charts. They've been a go-to for many, but a significant change is on the horizon. As outlined in this GitHub issue, Bitnami is moving its production-ready charts and images to a commercial offering. For those of us who rely on and advocate for open-source solutions, this means it's time to find a robust alternative.


https://k8scockpit.tech/posts/cloudnative-pg
Ingress-nginx уходит в прошлое. С марта 2026 поддержка прекратилась. А что вместо него? Предлагаем посмотреть на Gateway API, новый стандарт Kubernetes SIG.

23 июля в 17:00 старший SRE-инженер MWS Cloud Евгений Макеев на практике покажет:

чем маршрутизация Gateway API отличается от Ingress
как выбрать контроллер
как установить Gateway API в Managed Kubernetes
как настроить безопасное подключение через TLS-сертификат

Будет полезно для DevOps, платформенным инженерам и разработчикам.

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