On Sat, Jan 14, 2017 at 10:31:05AM -0500, John Ferlan wrote:
[...]
>> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-vxhs.args
b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-vxhs.args
>> new file mode 100644
>> index 0000000..f6e3e37
>> --- /dev/null
>> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-vxhs.args
>> @@ -0,0 +1,24 @@
>> +LC_ALL=C \
>> +PATH=/bin \
>> +HOME=/home/test \
>> +USER=test \
>> +LOGNAME=test \
>> +QEMU_AUDIO_DRV=none \
>> +/usr/libexec/qemu-kvm \
>> +-name QEMUGuest1 \
>> +-S \
>> +-M pc \
>> +-cpu qemu32 \
>> +-m 214 \
>> +-smp 1,sockets=1,cores=1,threads=1 \
>> +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
>> +-nographic \
>> +-nodefaults \
>> +-monitor unix:/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server,nowait \
>> +-no-acpi \
>> +-boot c \
>> +-usb \
>> +-drive file=vxhs://192.168.0.1:9999/eb90327c-8302-4725-9e1b-4e85ed4dc251,\
>> +format=raw,if=none,id=drive-virtio-disk0,cache=none \
>
> Please use the modern syntax for disk specification, not the
> legacy URI syntax ie
>
> -drive driver=vxhs,vdisk-id=eb90327c-8302-4725-4e85ed4dc251,\
> server.host=example.com,server.port=12345,format=raw,
> if=none,id=driver-virtio-disk0,cache=0
>
FWIW: qemuBuildDriveStr doesn't support that yet for any driver -
although it probably should be updated... Timing wise whether that work
could get done before this work is ready - I'm not sure. While I agree
the code "should" use the new syntax - I do think we'd have to make
adjustments to all drive strings. That would probably mean knowing
whether the new syntax was "in place" before the current libvirt qemu
minimum version...
The pre-existing drivers in libvirt need to support both new & old syntax,
in order that we have compat with older QEMU versions. As a brand new driver,
IMHO, VXHS must support the new syntax exclusively - there's no reason to
use the old syntax. We don't need to convert all existing drivers to the
new syntax at the same time, but the VHXS patch can start the trend.
Regards,
Daniel
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