Vagrant plugins
Earlier this fall I started using vagrant-libvirt, a plugin for vagrant that enables it to use libvirt instead of virtualbox for managing VMs. Since I started using it I’ve contributed some bug fixes and some improvements, such as enabling parallel operations on VMs and implementing a reload command.
Stopping docker packaging
Now that docker 0.7 has been released, I’m not planning on updating docker-rhel-rpm anymore. You no longer need a custom kernel to run docker, and you can install it from the Fedora or EPEL repositories.
R10 git hook
r10k is a great tool that simplifies fetching puppet modules and updating environments. Since it doesn’t include a sample post-receive or post-update git hook, I decided to publish the one I’m using at sciurus/r10k-git-hook. I’m running gitolite on the same server as my puppet master, and I fiddle with umask and setgid so that when r10k runs as the gitolite user it writes files that the puppet user can read. This is arguably not as nice as plugging r10k into a proper CI system, but it gets the job done.
Monitoring a process via python
A friend of mine recently mentioned he was working on the following problem: