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conf: Properly parse <backingStore/>

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The terminator would not be parsed properly since the XPath selector was
looking for an populated element, and also the code did not bother
assigning the terminating virStorageSourcePtr to the backingStore
property of the parent.

Some tests would catch it if there wasn't bigger fallout from the change
to backing store termination in a693fdba01. Fix them properly now.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1509110
This commit is contained in:
Peter Krempa 2017-11-08 15:42:51 +01:00
parent 676768edeb
commit 19448a2561
7 changed files with 22 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/conf/domain_conf.c
View File

@ -8545,23 +8545,21 @@ virDomainDiskBackingStoreParse(xmlXPathContextPtr ctxt,
char *idx = NULL;
int ret = -1;
if (!(ctxt->node = virXPathNode("./backingStore[*]", ctxt))) {
if (!(ctxt->node = virXPathNode("./backingStore", ctxt))) {
ret = 0;
goto cleanup;
}
if (!(type = virXMLPropString(ctxt->node, "type"))) {
if (VIR_ALLOC(backingStore) < 0)
goto cleanup;
/* terminator does not have a type */
if (VIR_ALLOC(backingStore) < 0)
goto cleanup;
if (!(type = virXMLPropString(ctxt->node, "type"))) {
VIR_STEAL_PTR(src->backingStore, backingStore);
ret = 0;
goto cleanup;
}
if (VIR_ALLOC(backingStore) < 0)
goto cleanup;
if (!(flags & VIR_DOMAIN_DEF_PARSE_INACTIVE) &&
(idx = virXMLPropString(ctxt->node, "index")) &&
virStrToLong_uip(idx, NULL, 10, &backingStore->id) < 0) {

1
tests/qemuhotplugtestdomains/qemuhotplug-base-live+disk-scsi-wwn+disk-scsi-duplicate-wwn.xml
View File

@ -22,6 +22,7 @@
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/dev/null'/>
<backingStore/>
<target dev='sdf' bus='scsi'/>
<readonly/>
<shareable/>

1
tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-active-commit.xml
View File

@ -20,6 +20,7 @@
<backingStore type='block' index='1'>
<format type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<backingStore/>
</backingStore>
<mirror type='block' job='active-commit'>
<format type='raw'/>

3
tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-backing-chains-active.xml
View File

@ -49,6 +49,7 @@
<backingStore type='file' index='6'>
<format type='raw'/>
<source file='/tmp/Fedora-17-x86_64-Live-KDE.iso'/>
<backingStore/>
</backingStore>
</backingStore>
</backingStore>
@ -63,6 +64,7 @@
<source protocol='gluster' name='Volume1/Image'>
<host name='example.org' port='6000'/>
</source>
<backingStore/>
<target dev='vdc' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</disk>
@ -79,6 +81,7 @@
<backingStore type='file' index='1'>
<format type='qcow2'/>
<source file='/tmp/image.qcow'/>
<backingStore/>
</backingStore>
<target dev='vdd' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>

4
tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-mirror-active.xml
View File

@ -16,6 +16,7 @@
<emulator>/usr/bin/qemu-system-i686</emulator>
<disk type='block' device='disk'>
<source dev='/dev/HostVG/QEMUGuest1'/>
<backingStore/>
<mirror type='block' job='copy' ready='yes'>
<source dev='/dev/HostVG/QEMUGuest1Copy'/>
</mirror>
@ -24,12 +25,14 @@
</disk>
<disk type='block' device='cdrom'>
<source dev='/dev/HostVG/QEMUGuest2'/>
<backingStore/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<disk type='file' device='disk'>
<source file='/tmp/data.img'/>
<backingStore/>
<mirror type='file' file='/tmp/copy.img' format='qcow2' job='copy'>
<format type='qcow2'/>
<source file='/tmp/copy.img'/>
@ -39,6 +42,7 @@
</disk>
<disk type='file' device='disk'>
<source file='/tmp/logs.img'/>
<backingStore/>
<mirror type='file' file='/tmp/logcopy.img' format='qcow2' job='copy' ready='abort'>
<format type='qcow2'/>
<source file='/tmp/logcopy.img'/>

4
tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-mirror-old.xml
View File

@ -16,6 +16,7 @@
<emulator>/usr/bin/qemu-system-i686</emulator>
<disk type='block' device='disk'>
<source dev='/dev/HostVG/QEMUGuest1'/>
<backingStore/>
<mirror type='file' file='/dev/HostVG/QEMUGuest1Copy' job='copy' ready='yes'>
<source file='/dev/HostVG/QEMUGuest1Copy'/>
</mirror>
@ -24,12 +25,14 @@
</disk>
<disk type='block' device='cdrom'>
<source dev='/dev/HostVG/QEMUGuest2'/>
<backingStore/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<disk type='file' device='disk'>
<source file='/tmp/data.img'/>
<backingStore/>
<mirror type='file' file='/tmp/copy.img' format='qcow2' job='copy'>
<format type='qcow2'/>
<source file='/tmp/copy.img'/>
@ -39,6 +42,7 @@
</disk>
<disk type='file' device='disk'>
<source file='/tmp/logs.img'/>
<backingStore/>
<target dev='vdb' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>

1
tests/qemuxml2xmloutdata/qemuxml2xmlout-seclabel-static-labelskip.xml
View File

@ -18,6 +18,7 @@
<source dev='/dev/HostVG/QEMUGuest1'>
<seclabel model='selinux' labelskip='yes'/>
</source>
<backingStore/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>