Posts on policy, serverless architecture, the challenges of monitoring Python applications and several posts on tools for developing with Kubernetes this week.

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News

I’ve been working recently on a several handy testing utilities. This post covers integrating both Kubeval and Conftest with Helm in order to validate and test Helm charts.
https://garethr.dev/2019/08/using-conftest-and-kubeval-with-helm/

Monitoring tools like Prometheus typically rely on applications exposing metrics. This post looks the challenges and some approaches to doing so with Python applications.
https://www.metricfire.com/prometheus-tutorials/monitoring-python-web-app

An introduction to the importance of policy enforcement, ABAC (Attribute based access control) and how Open Policy Agent can be used to enforce various types of policy.
https://reese.dev/policing-through-policy/

Adopting serverless moves the security challenges around some. This post explores some of those areas, from authentication, to expanding APIs surface area to increased transit.
https://hackernoon.com/severe-truth-about-serverless-security-and-ways-to-mitigate-major-risks-cd3i3x6f

Another serverless post, this one covering the main traits of the architectural approach, including hostless, stateless, elastic and event-driven.
https://www.thoughtworks.com/insights/blog/traits-serverless-architecture

Several tools are exploring the local development space around Kubernetes, one of them is Skaffold. This post, part of a series, covers it’s current functionality.
https://www.kartar.net/2019/08/skaffold/

Another of those Kubernetes development tools is Garden. This post is more of an experience report, highlighting features that worked well and things missing today.
https://blog.valerauko.net/2019/06/30/garden/

Jobs

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Tools

Curlie provides a CLI tool for making HTTP requests. It aims to offer the power of Curl but with an easier to use and more informative UI.
https://curlie.io/

As the Kubernetes API becomes more commonplace, provisioning small Kubernetes clusters becomes more useful. K3up provides a simple point-and-shoot solution to install a single-node cluster over SSH.
https://sysadmins.co.za/provision-k3s-on-the-fly-with-k3sup/
https://github.com/alexellis/k3sup

Captain is a Kubernetes controller which introduces several custom resources for configuring Helm Chart repositories and deploying Helm Charts to the cluster, based on the upcoming Helm 3 release.
https://github.com/alauda/captain

Think you’ve got what it takes to quickly resolve a system outage? Test your DevOps skillz with the new VictorOps on-call adventure game.
http://try.victorops.com/devopsweekly/devops-on-call-game