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qemu: domain: Use 'raw' for 'volume' disks without format

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Storage pools might want to specify format of the image when translating
the volume thus we can't add any default format when parsing the XML.

Add a explicit format when starting the VM and format is not present
neither by user specifying it nor by the storage pool translation
function.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-01-31 15:37:53 +01:00
parent 2f78ca803a
commit 3bc3cca7bb
3 changed files with 10 additions and 5 deletions
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5
src/qemu/qemu_domain.c
View File

@ -13714,6 +13714,11 @@ qemuDomainPrepareDiskSource(virDomainDiskDefPtr disk,
{
qemuDomainPrepareDiskCachemode(disk);
/* add raw file format if the storage pool did not fill it in */
if (disk->src->type == VIR_STORAGE_TYPE_VOLUME &&
disk->src->format <= VIR_STORAGE_FILE_NONE)
disk->src->format = VIR_STORAGE_FILE_RAW;
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) {
if (qemuDomainPrepareDiskSourceBlockdev(disk, priv, cfg) < 0)
return -1;

6
tests/qemuxml2argvdata/disk-source-pool-mode.args
View File

@ -21,16 +21,16 @@ server,nowait \
-no-shutdown \
-no-acpi \
-usb \
-drive file=/some/block/device/unit:0:0:1,if=none,id=drive-ide0-0-1,\
-drive file=/some/block/device/unit:0:0:1,format=raw,if=none,id=drive-ide0-0-1,\
media=cdrom,readonly=on \
-device ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
-drive file=iscsi://iscsi.example.com:3260/demo-target/2,if=none,\
-drive file=iscsi://iscsi.example.com:3260/demo-target/2,format=raw,if=none,\
id=drive-ide0-0-2,media=cdrom,readonly=on \
-device ide-drive,bus=ide.0,unit=2,drive=drive-ide0-0-2,id=ide0-0-2 \
-drive file=/tmp/idedisk.img,format=raw,if=none,id=drive-ide0-0-3 \
-device ide-drive,bus=ide.0,unit=3,drive=drive-ide0-0-3,id=ide0-0-3,\
bootindex=1 \
-drive file=iscsi://iscsi.example.com:3260/demo-target/3,if=none,\
-drive file=iscsi://iscsi.example.com:3260/demo-target/3,format=raw,if=none,\
id=drive-ide0-0-4,media=cdrom,readonly=on \
-device ide-drive,bus=ide.0,unit=4,drive=drive-ide0-0-4,id=ide0-0-4 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

4
tests/qemuxml2argvdata/disk-source-pool.args
View File

@ -21,8 +21,8 @@ server,nowait \
-no-shutdown \
-no-acpi \
-usb \
-drive file=/some/block/device/cdrom,if=none,id=drive-ide0-0-1,media=cdrom,\
readonly=on \
-drive file=/some/block/device/cdrom,format=raw,if=none,id=drive-ide0-0-1,\
media=cdrom,readonly=on \
-device ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
-drive if=none,id=drive-ide0-1-0,media=cdrom,readonly=on \
-device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \