Learn Kubernetes Weekly issue 72

Golden testing Helm, Pod metrics, Switch to API Gateway, Kubelet authorization, Immutable containers, Persistent volumes in multiple AZs

27 Mar 2024

This newsletter is brought to you by Komodor — simplify cluster management and troubleshooting to unlock the full value of Kubernetes.

  1. Golden testing Helm charts

    Eran Kampf

    Golden tests, also known as snapshot testing, involve comparing the current output of your code with a "golden" reference or a previously stored correct version.

    Learn how to use them to test your Helm charts.

  2. Harnessing the power of metrics: four essential use cases for pod metrics

    Guy Menachem

    In this article, you'll explore four essential use cases for pod metrics and their significance in driving operational excellence:

    1. Cost optimization.
    2. Capacity planning.
    3. Limiting resource consumption.
    4. MTTR measurements.

    sponsored

  3. Kubernetes Gateway API v1.0: should you switch?

    Navendu Pottekkat

    This article teaches about the Kubernetes Gateway API v1.0, its benefits, and whether you should switch from the Ingress API.

    It also explores the pluggable nature of the Gateway API and its potential to become the standard for routing in Kubernetes.

  4. Kubernetes node security: the role of Kubelet authorization

    Seifeddine Rajhi

    In this article, you'll examine the Node authorization mode and the NodeRestriction admission controller.

    These components play a crucial role in granting Kubelets the rights and privileges to access the essential resources required for their operation.

  5. How to use TokenRequest API and TokenVolume Projection in Kubernetes?

    Adil Ilhan

    This article teaches you to manage Service Accounts securely by creating expirable tokens using projected volumes or the TokenRequest API.

    It advises against non-expirable tokens, demonstrates auto-renewal, and how to prevent automatic token mounting.

  6. Enhancing container security: the vital role of ReadOnlyRootFilesystem

    Alex Vazquez

    In this article, learn how ReadOnlyRootFilesystem enhances container security by enforcing immutability, thwarting attacks, and ensuring consistent deployments.

Articles worth checking out:

The continuous Kubernetes reliability platform

Komodor

Simplify cluster management and troubleshooting to unlock the full value of Kubernetes and drive innovation at scale.

The continuous Kubernetes reliability platform
  1. Monitoring and hardening the GitOps delivery pipeline with Flux

    Florian Heubeck

    The ultimate goal of every GitOps setup is complete automation.

    To operate a system hands-off, its monitoring and alerting must be reliable and comprehensive.

    This tutorial will teach you how to monitor a FluxCD-operated GitOps setup on Kubernetes.

    • Site Reliability Engineer with Sidero Labs

    • Salary: $80K to $130K a year

    • Location: remote from Europe

    • Tech stack: Kubernetes, On-premise, ArgoCD, Go, Terraform

    • Platform Engineer with Duro

    • Salary: $135K to $175K a year

    • Location: based in the office (and remote from home) in Los Angeles, CA, USA

    • Tech stack: Kubernetes, Docker, Go, GraphQL, Javascript, Typescript, Terraform

    • DevSecOps Engineer with StockX

    • Salary: $140K to $160K a year

    • Location: remote from the United States

    • Tech stack: Kubernetes, AWS, Azure, Docker, Python, SQL, Terraform

Discover more Kubernetes jobs on Kube Careers →

  1. Falco

    Falco is a cloud-native security tool designed for Linux systems.

    It employs custom rules on kernel events, which are enriched with container and Kubernetes metadata, to provide real-time alerts.

  2. Crossplane troubleshooting tool

    Crossplane Tool is a project designed to experiment with visualizing Crossplane resources.

    The goal is to help Crossplane users understand the structure of their control plane resources and speed up troubleshooting.

  3. Bank Vaults: a Vault swiss-army knife

    Bank-Vaults is an umbrella project which provides various tools for Cloud Native secret management, including:

    • Bank-Vaults CLI to configure Hashicorp Vault.
    • Vault operator.
    • Vault secrets webhook to inject secrets.
    • Vault SDK
  4. GKE and GCLB integration controller

    Autoneg is a GKE-specific Kubernetes controller that works with the GKE Network Endpoint Group (NEG) controller to manage integration between your Kubernetes service endpoints and GCLB backend services.

  5. Hypershift: clusters with hosted control planes

    HyperShift is a middleware for hosting OpenShift control planes at scale that saves cost and time to provision and portability cross-cloud with a strong separation of concerns between management and workloads.

Other interesting projects:

Upcoming Kubernetes events

  1. Mar

    27

    Platform Engineering on EKS

    Online & in-person meetup organized by AWS Bulgaria User Group.

    • Location: Sofia, BG and virtual

    • This is a free event.

  2. Apr

    3

    The attacker perspective: insights from hacking Alibaba Cloud's Kubernetes environments

    Online meetup organized by Cloud Technology in the North.

    • This is a virtual event

    • This is a free event.

  3. Mar

    28

    Kubernetes network observability with Retina

    Online webinar organized by Peter Jausovec.

    • This is a virtual event

    • This is a free event.

  4. Mar

    28

    The ultimate guide to container security

    Online webinar organized by Palo Alto Networks.

    • This is a virtual event

    • This is a free event.

  5. Mar

    27

    iPaaS is passé and HIP ain't hip

    Online webinar organized by Fiorano.

    • This is a virtual event

    • This is a free event.

Discover more Kubernetes events on Kube Events →

Kubernetes Call for Papers

  1. expired

    CloudNativeSecurityCon North America

    The Call For Paper was open until 1 April 2024 at UTC. More info →
    • Location: Seattle, WA, USA

    • In-person conference organized by Linux Foundation.

    • The conference starts on the 26 June 2024.

    • Apply here
  2. expired

    Kubernetes Community Days Italy 2024

    The Call For Paper was open until 4 April 2024 at UTC. More info →
    • Location: Milan, IT

    • In-person conference organized by KCD Italy.

    • The conference starts on the 20 June 2024.

    • Apply here
  3. expired

    Kubernetes Community Days Czech Slovak 2024

    The Call For Paper was open until 31 March 2024 at UTC. More info →
    • Location: Prague, CZ and virtual

    • Online & in-person conference organized by KCD Czech & Slovak.

    • The conference starts on the 6 June 2024.

    • Apply here
  4. expired

    ContainerDays 2024

    The Call For Paper was open until 31 March 2024 at UTC. More info →
    • Location: Hamburg, DE

    • In-person conference organized by Loovent.

    • The conference starts on the 4 September 2024.

    • Apply here
  5. expired

    Kubernetes Community Days Zürich 2024

    The Call For Paper was open until 1 April 2024 at UTC. More info →
    • Location: Zürich, CH

    • In-person conference organized by KCD Zürich.

    • The conference starts on the 13 June 2024.

    • Apply here
  6. expired

    Kubernetes Community Days Argentina 2024

    The Call For Paper was open until 5 April 2024 at UTC. More info →
    • Location: Buenos Aires, AR

    • In-person conference organized by KCD Argentina.

    • The conference starts on the 10 May 2024.

    • Apply here
  7. expired

    Kubernetes Community Days Barcelona 2024

    The Call For Paper was open until 1 April 2024 at UTC. More info →
    • Location: Madrid, ES

    • In-person meetup organized by KCD Spain.

    • The meetup starts on the 13 June 2024.

    • Apply here
  8. expired

    Kubernetes Community Days Hyderabad 2024

    The Call For Paper was open until 15 April 2024 at UTC. More info →
    • Location: Hyderabad, IN and virtual

    • Online & in-person meetup organized by KCD Hyderabad.

    • The meetup starts on the 22 June 2024.

    • Apply here
  9. 7

    days

    KubeCon China

    The Call For Paper is open until 5 May 2024 at UTC. More info →
    • Location: Hong Kong, HK

    • In-person conference organized by Linux Foundation.

    • The conference starts on the 21 August 2024.

    • Apply here

Until next time!

— Dan

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