Add documentation for qemu uri on kvm2 driver

[medyagh]

it would be nice to have a doc, showing minikube running with qemu uri.

would be even better to have an example showing it working on the cloud.
Related: 9dfe660

[josedonizetti]

You can assign it to me. I'll create a simple tutorial running minikube on GCE with the remote qemu uri.

[medyagh]

Wonderful, thank you so much !

[afbjorklund]

Cloud ? I don't think we support running in the cloud, it was more for weird local setups...

[josedonizetti]

Yeah, it seems cloud isn't supported. The --kvm-qemu-uri works fine for connecting, but unfortunately some dependencies are only available locally, so it fails to create the KVM machine, for example:

https://github.com/kubernetes/minikube/blob/master/pkg/drivers/kvm/domain.go#L56
https://github.com/kubernetes/minikube/blob/master/pkg/drivers/kvm/domain.go#L62

When the XML template is sent to the qemu remote instance those files have the local paths, and doesn't exist in the remote.

[josedonizetti]

@medyagh any thoughts on this? Is this something we want to make possible?

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