Ganeti Web Manager: cluster should only automatically import virtual machines once
completed by: Jonathan
mentors: Leslie Hawthorn, Greg Lund-Chaix, Peter Krenesky, Lance Albertson, Jeff Sheltren
Please make sure to submit your patch for this task and to take required notes for it in the OSUOSL issue tracker at http://code.osuosl.org/issues/609. Required notes would include letting the community know you are working on the issue with a note in the tracker, any notes on progress or difficulties implementing, etc.
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Currently whenever a cluster is saved it calls Cluster.sync_virtual_machines() which imports all virtual machines. This should only happen once, the first time it has valid connection credentials. This can be detected by determining if info is None. It should only ever be None if it has never queried ganeti for information before