George Adams IV

Retrying Ansible Tasks in a Loop

Ansible’s loops are fairly powerful considering they are defined with YAML. However, the semantics for adding retry logic can be tricky. If…

George Adams

Jun 6, 2016

Mechanical Sympathy through DevOps

Modern software engineers lack mechanical sympathy.

George Adams

May 30, 2016

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George Adams

Mar 14, 2016

Using Raspberry Pi 3’s Bluetooth in Docker

In my previous post, I talked about how I set up my new Raspberry Pi 3 with Ansible to lay a foundation that included Docker. In the first project I wanted to tackle with my Pi, I needed to use Bluetooth. Since I’ve never used Bluetooth before, I had to…

My Raspberry Pi 3 Setup

As soon as I heard about the Raspberry Pi 3, I knew I wanted one. The onboard Bluetooth and WiFi, more powerful processor, and maturity of the maker culture around the Pi pushed me over the edge. Once I got it in hand, I had to lay a good foundation on which I could build my little…

Experimenting with Delivering a Reactive Python Application

Recently, I had to extend a console script written in Python 3 to be reactive. The new incarnation needed to execute a task on an interval or when it received a TCP signal. Sometimes, it’ll receive a burst of messages and other…

George Adams

Feb 21, 2016

Insert a Command’s Output into a Vim Buffer

In my last post, I illustrated how to write the contents of the current buffer to a shell command via standard input. It would be cruel to not offer a mechanism to also read in from a command’s standard out. Most recently, I’ve used this to insert the…

George Adams

Feb 7, 2016

See What You’ve Changed in a Vim Buffer

With an open buffer, you move around, check things out, and maybe you fat-finger a few keys. Something changed, but you’re not sure what.

You work on your project. You save your files and commit them. It’s time to go home for the day…

George Adams

Jan 29, 2016

Upload a Rendered Template to S3 using Ansible

Ansible 2.0 has been released, making many common tasks much simpler and more robust. One problem that I often had was uploading a rendered template to Amazon S3. Ansible’s S3 module takes a path to a local file and uploads it to a bucket. However…

George Adams

Jan 24, 2016

Continuing Education

Software Craftsmanship is all about raising the bar. Among other things, that means continuing to learn and improve oneself. From education, we derive new ways of thinking and gain experiences that lead us to create better solutions in less time. Back when I was a child, the value of a…