Filtering libvirt XML in Nova

Thu 05 February 2015 by Lars Kellogg-Stedman Tags openstack nova

I saw a request from a customer float by the other day regarding the ability to filter the XML used to create Nova instances in libvirt. The customer effectively wanted to blacklist a variety of devices (and device types). The consensus seems to be "you can't do this right now …

read more

Running nova-libvirt and nova-docker on the same host

Sat 17 January 2015 by Lars Kellogg-Stedman Tags openstack docker

I regularly use OpenStack on my laptop with libvirt as my hypervisor. I was interested in experimenting with recent versions of the nova-docker driver, but I didn't have a spare system available on which to run the driver, and I use my regular nova-compute service often enough that I didn't …

read more

Accessing the serial console of your Nova servers

Mon 22 December 2014 by Lars Kellogg-Stedman Tags openstack nova

One of the new features available in the Juno release of OpenStack is support for serial console access to your Nova servers. This post looks into how to configure the serial console feature and then how to access the serial consoles of your Nova servers.

read more

Cloud-init and the case of the changing hostname

Wed 10 December 2014 by Lars Kellogg-Stedman Tags openstack rdo neutron

Setting the stage

I ran into a problem earlier this week deploying RDO Icehouse under RHEL 6. My target systems were a set of libvirt guests deployed from the RHEL 6 KVM guest image, which includes cloud-init in order to support automatic configuration in cloud environments. I take advantage of …

read more

Fedora Atomic, OpenStack, and Kubernetes (oh my)

Mon 24 November 2014 by Lars Kellogg-Stedman Tags openstack kubernetes fedora atomic

While experimenting with Fedora Atomic, I was looking for an elegant way to automatically deploy Atomic into an OpenStack environment and then automatically schedule some Docker containers on the Atomic host. This post describes my solution.

read more