DEVOPS WEEKLY ISSUE #386 - 20th May 2018

2 minute read

Lots of practical posts this week on security, observability, tips for building Docker images, an interesting serverless experience report and the importance of reassessing previous configuration decisions.

Sponsor

A culture of communication and collaboration is the key to building DevOps-focused teams and processes. See how manual and automated ChatOps tools work cross-functionally to improve team-wide communication:
http://try.victorops.com/DevOpsWeekly/ChatOpsAdvantages

News

A list of good practical tips for encouraging security and application development teams to work together in your organisation.
https://www.darkreading.com/operations/how-security-can-bridge-the-chasm-with-development-/a/d-id/1331427

As systems get more distributed, latency becomes even more critical to measure and react to. This post explains why and how to debug service latency.
https://medium.com/observability/want-to-debug-latency-7aa48ecbe8f7

Most software teams are regularly making decisions about whether to use something off-the-shelf or build something from scratch. This post is a nice story about just such a case, with the advice to never write your own database.
https://medium.com/@terrycrowley/never-write-your-own-database-736f704c780

A good walkthrough of how to change the deployment model rather than the development model when migrating older technologies. In this case using Docker to package Fortran applications.
https://medium.com/@urban_institute/fortran-and-docker-how-to-combine-legacy-code-with-cutting-edge-components-35e934b15023

An experience report of 6 months using a serverless environment, going from using the basics to adopting frameworks and other associated AWS services.
https://read.acloud.guru/six-months-of-serverless-lessons-learned-f6da86a73526

A few examples of how to build Docker images when you need to access private Git repositories.
https://medium.com/paperchain/fetching-private-github-repos-from-a-docker-container-273f25ec5a74

A good tale of reassessing a previous configuration change in light of improvements to the underlying technology. In this case a sizable reduction in CPU usage by removing out of band garbage collector.
https://githubengineering.com/removing-oobgc/

Determining the suitability of your Kubernetes cluster for stateful workloads requires some knowledge of the system. Litmus provides a cucumber-based testing tool and chaos engineering toolkit for solving this problem.
https://blog.openebs.io/litmus-release-a-chaos-monkey-on-your-kubernetes-stateful-workloads-6345e01b637d

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Events

DevOpsDays Oslo is back for a third year and set for October 29th and 30th. The CFP is open now and the organisers are looking for full length presentations and shorter ignite talks.
https://www.devopsdays.org/events/2018-oslo/welcome/

Tools

Terraform variable generator is a simple tool for generating variable files from Terraform Configuration.
https://github.com/alexandrst88/terraform-variables-generator

More useful Terraform utilities, Terraform Docs creates simple CLI-friendly documentation (or Markdown) by pointing at existing Terraform code.
https://github.com/segmentio/terraform-docs

A culture of communication and collaboration is the key to building DevOps-focused teams and processes. See how manual and automated ChatOps tools work cross-functionally to improve team-wide communication:
http://try.victorops.com/DevOpsWeekly/ChatOpsAdvantages

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