nova-docker and environment variables

Thu 28 August 2014 by Lars Kellogg-Stedman Tags openstack docker

I've been playing with Docker a bit recently, and decided to take a look at the nova-docker driver for OpenStack.

The nova-docker driver lets Nova, the OpenStack Compute service, spawn Docker containers instead of hypervisor-based servers. For certain workloads, this leads to better resource utilization than you would get with …

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Booting an instance with multiple fixed addresses

This article expands on my answer to Add multiple specific IPs to instance, a question posted to ask.openstack.org.

In order to serve out SSL services from an OpenStack instance, you will generally want one local ip address for each SSL virtual host you support. It is possible to …

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Multiple external networks with a single L3 agent

In the old days (so, like, last year), Neutron supported a single external network per L3 agent. You would run something like this...

$ neutron net-create external --router:external=true

...and neutron would map this to the bridge defined in external_network_bridge in /etc/neutron/l3_agent.ini. If you wanted to support …

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Video: Configuring OpenStack's external bridge on a single-interface system

I've just put a video on Youtube that looks at the steps required to set up the external bridge (br-ex) on a single-interface system:

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Open vSwitch and persistent MAC addresses

Normally I like to post solutions, but today's post is about a vexing problem to which I have not been able to find a solution.

This started as a simple attempt to set up external connectivity on an all-in-one Icehouse install deployed on an OpenStack instance. I wanted to add …

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