Creating a Windows image for OpenStack
If you want to build a Windows image for use in your OpenStack environment, you can follow the example in the official documentation, or you can grab a Windows 2012r2 evaluation pre-built image from the nice folks at CloudBase.
The CloudBase-provided image is built using a set of scripts and configuration files that CloudBase has made available on GitHub.
The CloudBase repository is an excellent source of information, but I wanted to understand the process myself. This post describes the process I went through to establish an automated process for generating a Windows image suitable for use with OpenStack.read more
Integrating custom code with Nova using hooks
Would you like to run some custom Python code when Nova creates and destroys virtual instances on your compute hosts? This is possible using Nova's support for hooks, but the existing documentation is somewhat short on examples, so I've spent some time trying to get things working.
The demo_nova_hooks repository …read more
Visualizing Heat stacks
I spent some time today learning about Heat autoscaling groups,
which are incredibly nifty but a little opaque from the Heat command
line, since commands such as
heat resource-list don't recurse into
nested stacks. It is possible to introspect these resources (you can
pass the physical resource id of a …