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qemu: Add test cases for 'host_cdrom' blockdev backend via <disk>

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Simulate that the device is a cdrom when the path equals to /dev/cdrom
to provide testing for the 'host_cdrom' backend.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-10-15 13:47:46 +02:00
parent b9759291c5
commit 8bcda6e260
6 changed files with 24 additions and 11 deletions
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4
tests/qemuxml2argvdata/disk-cdrom.args
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@ -25,8 +25,8 @@ server,nowait \
-no-shutdown \
-no-acpi \
-usb \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
-drive file=/dev/cdrom,format=raw,if=none,id=drive-ide0-0-0,readonly=on \
-device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
-drive file=/root/boot.iso,format=raw,if=none,id=drive-ide0-0-1,readonly=on \
-device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
-drive if=none,id=drive-ide0-1-0,readonly=on \

4
tests/qemuxml2argvdata/disk-cdrom.x86_64-2.12.0.args
View File

@ -27,8 +27,8 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-no-acpi \
-boot strict=on \
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
-drive file=/dev/cdrom,format=raw,if=none,id=drive-ide0-0-0,readonly=on \
-device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
-drive file=/root/boot.iso,format=raw,if=none,id=drive-ide0-0-1,readonly=on \
-device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 \
-drive if=none,id=drive-ide0-1-0,readonly=on \

6
tests/qemuxml2argvdata/disk-cdrom.x86_64-latest.args
View File

@ -29,11 +29,11 @@ file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
-no-acpi \
-boot strict=on \
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
-blockdev '{"driver":"host_cdrom","filename":"/dev/cdrom",\
"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw",\
-blockdev '{"node-name":"libvirt-4-format","read-only":true,"driver":"raw",\
"file":"libvirt-4-storage"}' \
-device ide-hd,bus=ide.0,unit=0,drive=libvirt-4-format,id=ide0-0-0,bootindex=1 \
-device ide-cd,bus=ide.0,unit=0,drive=libvirt-4-format,id=ide0-0-0 \
-blockdev '{"driver":"file","filename":"/root/boot.iso",\
"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw",\

5
tests/qemuxml2argvdata/disk-cdrom.xml
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@ -14,10 +14,11 @@
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-i386</emulator>
<disk type='block' device='disk'>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<source dev='/dev/cdrom'/>
<target dev='hda' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='file' device='cdrom'>

11
tests/qemuxml2argvtest.c
View File

@ -407,6 +407,17 @@ testCompareXMLToArgvCreateArgs(virQEMUDriverPtr drv,
VIR_QEMU_PROCESS_START_COLD) < 0)
return NULL;
for (i = 0; i < vm->def->ndisks; i++) {
virDomainDiskDefPtr disk = vm->def->disks[i];
/* host cdrom requires special treatment in qemu, mock it */
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
disk->src->format == VIR_STORAGE_FILE_RAW &&
virStorageSourceIsBlockLocal(disk->src) &&
STREQ(disk->src->path, "/dev/cdrom"))
disk->src->hostcdrom = true;
}
for (i = 0; i < vm->def->nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = vm->def->hostdevs[i];

5
tests/qemuxml2xmloutdata/disk-cdrom.xml
View File

@ -14,10 +14,11 @@
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-i386</emulator>
<disk type='block' device='disk'>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<source dev='/dev/cdrom'/>
<target dev='hda' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='file' device='cdrom'>