Recent Posts

Tiller and Docker environment variables

After a recent query was posted on the Tiller issue tracker, I thought it might be useful to show a complete example of using Tiller and one of it’s plugins to create a dynamic Docker container. I assume you’re at least somewhat familiar with Tiller. If not, take a quick look through my documentation and other related blog posts.

Tiller v0.0.7 now supports environment variables

Just a quick update : Tiller has just been updated to v0.0.7. I’ve just added a new EnvironmentDataSource which is super-simple, but very convenient. It makes all your environment variables accessible to templates (as global values) by converting them to lower-case, and prefixing them with env_.

Tiller project and Docker container configuration

After several days of hacking on my Runner.rb project, I’m pleased to say that I’ve completed a much more polished and complete solution to shipping multiple configuration files in a single Docker container. The project is now known as Tiller and has been published as a Ruby gem so you can just run gem install tiller to install it. You can find a good overview of it, and how it works over at the Github, but it’s still essentially the same approach :

Getting started with Sensu on Solaris

Sensu is a monitoring framework written in Ruby. It’s small and very easy to extend, as well as being extremely scalable. It uses a message bus to communicate with it’s different components (clients, servers, api hosts) as well as external systems such as Graphite, which can be used to produce graphs and store metrics.