RDO Bug Triage
This Wednesday, January 15, at 14:00 UTC (that's 9AM US/Eastern, or
date -d "14:00 UTC" in your local timezone) I will be helping out
RDO bug triage day. We'll be trying to validate all the
untriaged bugs opened against RDO.
Feel free to drop by … read more
Visualizing Neutron Networking with GraphViz
I've put together a few tools to help gather information about your
Neutron and network configuration and visualize it in different ways.
All of these tools are available as part of my neutron-diag
repository on GitHub.
In this post I'm going to look at a tool that will help you … read more
An introduction to OpenStack Heat
Heat is a template-based orchestration mechanism for use with
OpenStack. With Heat, you can deploy collections of resources --
networks, servers, storage, and more -- all from a single,
In this article I will introduce Heat templates and the
Because Heat began life as … read more
A Python interface to signalfd() using FFI
I just recently learned about the
signalfd(2) system call, which was
introduced to the Linux kernel back in 2007:
signalfd() creates a file descriptor that can be used to accept
signals targeted at the caller. This provides an alternative to
the use of a signal handler or sigwaitinfo(2 …
In this post I'm going to step through an example web chat system
implemented in Python (with Bottle and gevent) that uses long
polling to implement a simple publish/subscribe mechanism for
efficiently updating connected clients.
My pubsub_example repository on GitHub has a complete
project that implements the ideas discussed … read more