GenerateBlockDevices generates block devices from /dev, not including any of the following: loop, dm, nbd, sr.

GetBIOSVendor returns bios vendor.

GetSubID returns the subid of the underlying service vke has one method of extraction of the subid vlb has another method of extraction of the subid.

GetVPSID returns the VPS ID from http://169.254.169.254/v1.json .instanceid.

ErrUnableToGetSUBID returned if unable to get subid.