All posts tagged with 'jenkins'
Shaving yaks – problem solving in Dev Platform
Although I usually work in Support Engineering here at FreeAgent, I was recently given the opportunity to spend a six-week cycle working in the Dev Platform team. The technical aspect of the Support Engineer role is what drives me; I love to take a problem, dig into the source code and figure out how to solve it. The work in Dev Platform promised to be even more technical so I… Continue reading
Have your butler do the de-linting
Lots of our infrastructure is managed by Puppet, the open source configuration management tool that uses its own domain specific language (DSL) to describe how services, files and systems should look. The DSL was inspired by Nagios configuration files, so you’ll find lots of nested blocks under curly braces, indentation, groups of parameters assigned with => separators, all of which can begin to look messy in a large manifest, as… Continue reading
How we run 4 hours of tests in under 4 minutes
Here at FreeAgent we have a test suite that contains over 21,000 individual RSpec examples. Currently it takes approximately 4 hours to run in a single process. Here’s how we’ve tuned our test suite and CI system (Jenkins) to run them in under 4 minutes. 1. Parallelise The first step is to run the specs in parallel. Test queue We use test-queue, a parallel test runner by Aman Gupta. It… Continue reading