[openstack-dev] [Trove] How users should specify a datastore type when creating an instance

Michael Basnight mbasnight at gmail.com
Mon Oct 21 21:05:22 UTC 2013


On Oct 21, 2013, at 1:57 PM, Nikhil Manchanda wrote:

> 
> The image approach works fine if Trove only supports deploying a single
> datastore type (mysql in your case). As soon as we support
> deploying more than 1 datastore type, Trove needs to have some knowledge
> of which guestagent manager classes to load. Hence the need
> for having a datastore type API.
> 
> The argument for needing to keep track of the version is
> similar. Potentially a version increment -- especially of the major
> version -- may require for a different guestagent manager. And Trove
> needs to have this information.

This is also true that we dont want to define the _need_ to have custom images for the datastores. You can, quite easily, deploy mysql or redis on a vanilla image.
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