Dave Tucker

Tales of an engineer in the wild

Running a Pelican Blog on Docker Cloud with Let's Encrypt

It's 2017 and my blog was starting to look a little dated so I decided it was time for a face-lift. While I was at it, I overhauled the way I deploy my blog too.

Data-Driven RESTful API Testing for Java

This post is a Zombie that I'm resurrecting from my drafts. I"m not doing any Java these days, but hopefully this post might be useful to somebody

In my quest to get better code coverage for the OVSDB project in OpenDaylight I started to look at increasing coverage for the REST API. It's pretty difficult to test this in an efficient way (lines of code) and frameworks like Robot would have been easier to use. The disadvantage with using an external test framework is that code coverage (using a plugin like JaCoCo) would not be logged. Therefore I harnessed my Junit-Jitsu and found a solution that lives in the JVM

Taming Netlink

Netlink is a Linux Kernel interface that is used to talk Networking between Kernel processes, or from userland to Kernel processes. This...

Experimenting with Kernel-powered Open vSwitch and Docker

I've been thinking about running Docker on CoreOS and Project Atomic lately... While the deployment model would be pretty different to what we are used to, I have 50% of the work already done in docker-ovs so I was interested to see if my containers would work on a system with the Open vSwitch kernel module loaded...

Why I gave up Networking for Software

It's now been 3 months since I transitioned from Networking to Software. This is a retrospective piece on my reasons for giving up on Networking.

Is SDN API directionality absurd?

I was finally catching up on a number of posts I'd saved to read later and noticed the prevalent use of "Northbound" and "Southbound". I'm now starting to question whether these terms are necessary or accurate.

Response - Do We Need To Redefine Open?

Tom Hollingsworth wrote a great post on whether or not we need to redefine "Open". My response was too long for a comment, so here it is!

Fun with Fig (and Docker)

I first heard of Fig when I read about Docker acquiring Orchard, a container hosting service, back in July. Last week I finally got to read a little more about it and it just so happens it is the missing piece of the puzzle in a couple of projects that I am working on right now!

Building a router with Open vSwitch

As part of my work in OpenDaylight, we are looking at creating a router using Open vSwitch... Why? Well OpenStack requires some limited L3 capabilities and we think that we can handle those in a distributed router.

Rolling back to Maven 3.0.X on OSX (Homebrew)

The current version of Maven in Homebrew at the time of writing is 3.2.2 This is great... unless one of the plugins in your project...

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