A new Nova service: nova-conductor for OpenStack

So much great technology, so little time to test it all!

Russell Bryant

The Grizzly release of OpenStack Nova will have a new service, nova-conductor. The service was discussed on the openstack-dev list and it was merged today. There is currently a configuration option that can be turned on to make it optional, but it is possible that by the time Grizzly is released, this service will be required.

One of the efforts that started during Folsom development and is scheduled to be completed in Grizzly is no-db-compute. In short, this effort is to remove direct database access from the nova-compute service. There are two main reasons we are doing this. Compute nodes are the least trusted part of a nova deployment, so removing direct database access is a step toward reducing the potential impact of a compromised compute node. The other benefit of no-db-compute is for upgrades. Direct database access complicates the ability to do live rolling upgrades. We’re working…

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