[sheepdog] [PATCH] collie: add vdi rollback support

[MORITA Kazutaka]

At Fri, 31 Aug 2012 19:31:17 +0900,
MORITA Kazutaka wrote:
> 
> This adds a new command 'vdi rollback':
> 
> Usage: collie vdi rollback [-s snapshot] [-a address] [-p port] [-h] <vdiname>
> Options:
>   -s, --snapshot          specify a snapshot id or tag name
>   -a, --address           specify the daemon address (default: localhost)
>   -p, --port              specify the daemon port
>   -h, --help              display this help and exit
> 
> This makes the current vdi a new snapshot, rollbacks to the requested
> snapshot, and branches a new vdi as a new current one.  Removing the
> previous current vdi is a future work.

It seems that this doesn't work well.  I'll send v2 later.

Thanks,

Kazutaka