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DevOps & SRE notes

DevOps & SRE notes

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Helpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19

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πŸ“ˆ Analytical overview of Telegram channel DevOps & SRE notes

Channel DevOps & SRE notes (@devops_sre_notes) in the English language segment is an active participant. Currently, the community unites 12 674 subscribers, ranking 10 038 in the Technologies & Applications category and 2 971 in the USA region.

πŸ“Š Audience metrics and dynamics

Since its creation on Π½Π΅Π²Ρ–Π΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 12 674 subscribers.

According to the latest data from 13 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 224 over the last 30 days and by 10 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 16.54%. Within the first 24 hours after publication, content typically collects 4.74% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 2 095 views. Within the first day, a publication typically gains 600 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 4.
  • Thematic interests: Content is focused on key topics such as kubernete, cluster, author, engineering, monitoring.

πŸ“ Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
β€œHelpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19”

Thanks to the high frequency of updates (latest data received on 14 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.

12 674
Subscribers
+1024 hours
+667 days
+22430 days
Posts Archive
Kubebuilder - SDK for building Kubernetes APIs using CRDs https://github.com/kubernetes-sigs/kubebuilder

Crash-Diagnostics (Crashd) is a tool to help investigate, analyze, and troubleshoot unresponsive or crashed Kubernetes clusters. https://github.com/vmware-tanzu/crash-diagnostics

The article discusses implementing soft data contracts for Terraform stacks, detailing how to exchange structured data between stacks to establish a relationship between upstream (producers) and downstream (consumers) services. It explores using JSON Schema for data validation, ensuring data quality, and creating a mechanism for indirect information exchange. Additionally, the article covers the concept of a soft contract, which involves versioning and managing dependencies through Terraform modules, and provides examples of its application in infrastructure as code practices https://www.sigterm.de/2024/01/24/data-contract-for-terraform-stacks/

In the evolving landscape of Infrastructure as Code (IaC), security remains paramount. This article delves into a sophisticated technique involving ANSI escape sequences that could be exploited to evade detection within Terraform scripts. With an emphasis on demonstrating the intricacy of such vulnerabilities and providing actionable insights for mitigation, the discussion navigates through the conceptual underpinnings, practical implications, and strategic defenses against such evasion tactics. Aimed at developers, security professionals, and IaC practitioners, it underscores the necessity of vigilant security practices in the face of evolving exploitation techniques. https://hackingthe.cloud/terraform/terraform_ansi_escape_evasion/

A FAST Kubernetes manifests validator, with support for Custom Resources! https://github.com/yannh/kubeconform

Asynchronous data replication for Kubernetes volumes https://github.com/backube/volsync

Render's blog post titled "How Render Scaled Knative to 100k+ Web Apps" explores their journey of scaling infrastructure to support over 100,000 web applications using Knative. Faced with a surge in demand after Heroku ended their free offering, Render tackled the challenge of efficiently managing a rapidly growing number of free-tier web services. The article details the technical hurdles encountered and the innovative solutions implemented to optimize Kubernetes networking, ultimately enhancing the scalability and reliability of their platform. This case study showcases Render's commitment to providing a robust, developer-friendly cloud service. https://render.com/blog/knative

KubeLinter is a static analysis tool that checks Kubernetes YAML files and Helm charts to ensure the applications represented in them adhere to best practices. https://github.com/stackrox/kube-linter

πŸ”­ Tracetest - Build integration and end-to-end tests in minutes, instead of days, using OpenTelemetry and trace-based testing. https://github.com/kubeshop/tracetest

Good article about average-load testing https://grafana.com/blog/2024/01/30/average-load-testing/

Kubernetes driver extension of the Chaos Toolkit probes and actions API https://github.com/chaostoolkit/chaostoolkit-kubernetes

Grafana has deprecated Grafana agent and launch a new Alloy project for replacement
Grafana Agent, our existing OSS telemetry agent, and Grafana Agent Operator are now deprecated and will enter into Long-Term Support (LTS) beginning today (April 9, 2024)
Commercial support will end after the LTS phase, which we anticipate will extend for about 18 months until October 31, 2025. End-of-Life (EOL) phase for Grafana Agent and Grafana Agent Operator will begin once LTS ends. Grafana Agent and the Grafana Agent Operator are expected to reach EOL on November 1, 2025. 
https://grafana.com/blog/2024/04/09/grafana-alloy-opentelemetry-collector-with-prometheus-pipelines/

The article is a reflective piece by Jack Lindamood, detailing his experiences and lessons learned from managing infrastructure at a rapidly scaling startup. Jack discusses his decisions regarding various technologies and practices, such as AWS services, Kubernetes, GitOps, and more. He categorizes these decisions into ones he endorses, regrets, or feels ambivalent about, providing insights into the practical implications of each choice for startup infrastructure development. https://cep.dev/posts/every-infrastructure-decision-i-endorse-or-regret-after-4-years-running-infrastructure-at-a-startup/

The article explores the concept of local-first software. This approach advocates for software that ensures user ownership and control over their data, emphasizing principles like offline functionality, device independence, secure and private data handling, and long-term data preservation. Through examining various data storage and sharing models and the potential of Conflict-free Replicated Data Types (CRDTs), the authors propose a shift from cloud-centric to local-first applications, aiming to combine the benefits of cloud collaboration with the sovereignty of personal data ownership. https://www.inkandswitch.com/local-first/

Peirates - Kubernetes Penetration Testing tool https://github.com/inguardians/peirates

Subscribe to AWS Morning Brief Podcast https://t.me/AWSMorningBriefPodcast

E1S - Easily Manage AWS ECS Resources in Terminal(~k9s for ECS) 🐱 https://github.com/keidarcy/e1s

πŸ”¦ Alerts for Kubernetes https://github.com/searchlight/searchlight

A Kubernetes controller to watch changes in ConfigMap and Secrets and do rolling upgrades on Pods with their associated Deployment, StatefulSet, DaemonSet and DeploymentConfig https://github.com/stakater/Reloader