Re: [Libguestfs] Provide NBD via Browser over Websockets

On Sat, Oct 13, 2018 at 9:45 PM Eric Wheeler <nbd(a)lists.ewheeler.net&gt; wrote: Hello all, It might be neat to attach ISOs to KVM guests via websockets.  Basically the  browser would be the NBD "server" and an NBD client would run on the hypervisor, then use `virsh change-media vm1 hdc --insert /dev/nbd0` could use an ISO from my desk to boot from. Here's an HTML5 open file example: https://stackoverflow.com/questions/3582671/how-to-open-a-local-disk-file... and the NBD protocol looks simple enough to implement in javascript: https://stackoverflow.com/questions/17295140/where-is-the-network-block-d... What do you think? Does anyone have an interest in doing this? HTML File API is very limited: - you cannot access any file except file provided by the user interactively - no support for sparseness or underlying disk block size So it will be a pretty bad backend for NBD server. What are you trying to do?

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