I spent some time last week creating a custom precise image that has all of the configuration necessary to allow users to log in to an instance as soon as it's booted. There's a bunch of wins here:
1. Instance creation time is down to 1 - 3.5 minutes, which is the time it takes openstack to pick up the action from the queue and build the instance. It was previously 6 - 11 minutes (and usually closer to 11 minutes), due to needing a full puppet run. We'll be able to further reduce the 1 - 3.5 minute time with OpenStack upgrades. 2. As soon as an instance shows "active" it's ready to be logged into. No needing to wait until a puppet run occurs 3. Instances will be smaller on disk, since the initial instance has most packages that are installed from our base, ldap, and monitoring puppet classes. 4. A failed puppet run won't make an instance inaccessible. So, no more delete/recreate of instances will be needed when a puppet run fails. I don't think it will be as easy to make the lucid images, but I'll be trying to make that happen this week. - Ryan
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