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d6f6b2d194
Adds an optional element to <domainsnapshot>, which will be used
to give user control over external snapshot filenames on input,
and specify generated filenames on output.
For now, no driver accepts this element; that will come later.
<domainsnapshot>
...
<disks>
<disk name='vda' snapshot='no'/>
<disk name='vdb' snapshot='internal'/>
<disk name='vdc' snapshot='external'>
<driver type='qcow2'/>
<source file='/path/to/new'/>
</disk>
</disks>
<domain>
...
<devices>
<disk ...>
<driver name='qemu' type='raw'/>
<target dev='vdc'/>
<source file='/path/to/old'/>
</disk>
</devices>
</domain>
</domainsnapshot>
* src/conf/domain_conf.h (_virDomainSnapshotDiskDef): New type.
(_virDomainSnapshotDef): Add new elements.
(virDomainSnapshotAlignDisks): New prototype.
* src/conf/domain_conf.c (virDomainSnapshotDiskDefClear)
(virDomainSnapshotDiskDefParseXML, disksorter)
(virDomainSnapshotAlignDisks): New functions.
(virDomainSnapshotDefParseString): Parse new fields.
(virDomainSnapshotDefFree): Clean them up.
(virDomainSnapshotDefFormat): Output them.
* src/libvirt_private.syms (domain_conf.h): Export new function.
* docs/schemas/domainsnapshot.rng (domainsnapshot, disksnapshot):
Add more xml.
* docs/formatsnapshot.html.in: Document it.
* tests/domainsnapshotxml2xmlin/disk_snapshot.xml: New test.
* tests/domainsnapshotxml2xmlout/disk_snapshot.xml: Update.
78 lines
2.4 KiB
XML
78 lines
2.4 KiB
XML
<domainsnapshot>
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<name>my snap name</name>
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<description>!@#$%^</description>
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<parent>
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<name>earlier_snap</name>
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</parent>
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<state>disk-snapshot</state>
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<creationTime>1272917631</creationTime>
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<disks>
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<disk name='hda' snapshot='no'/>
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<disk name='hdb' snapshot='no'/>
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<disk name='hdc' snapshot='internal'/>
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<disk name='hdd' snapshot='external'>
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<driver type='qed'/>
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<source file='/path/to/generated4'/>
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</disk>
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<disk name='hde' snapshot='external'>
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<driver type='qcow2'/>
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<source file='/path/to/new'/>
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</disk>
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<disk name='hdf' snapshot='external'>
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<driver type='qcow2'/>
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<source file='/path/to/generated5'/>
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</disk>
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</disks>
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<domain type='qemu'>
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<name>QEMUGuest1</name>
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<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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<memory>219100</memory>
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<currentMemory>219100</currentMemory>
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<vcpu cpuset='1-4,8-20,525'>1</vcpu>
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<os>
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<type arch='i686' machine='pc'>hvm</type>
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<boot dev='hd'/>
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</os>
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<clock offset='utc'/>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>destroy</on_crash>
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<devices>
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<emulator>/usr/bin/qemu</emulator>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest1'/>
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<target dev='hda' bus='ide'/>
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<address type='drive' controller='0' bus='0' unit='0'/>
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</disk>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest2'/>
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<target dev='hdb' bus='ide'/>
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<address type='drive' controller='0' bus='1' unit='0'/>
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</disk>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest3'/>
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<target dev='hdc' bus='ide'/>
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<address type='drive' controller='0' bus='2' unit='0'/>
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</disk>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest4'/>
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<target dev='hdd' bus='ide'/>
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<address type='drive' controller='0' bus='3' unit='0'/>
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</disk>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest5'/>
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<target dev='hde' bus='ide'/>
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<address type='drive' controller='0' bus='4' unit='0'/>
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</disk>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest6'/>
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<target dev='hdf' bus='ide'/>
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<address type='drive' controller='0' bus='5' unit='0'/>
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</disk>
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<controller type='ide' index='0'/>
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<memballoon model='virtio'/>
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</devices>
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</domain>
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<active>1</active>
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</domainsnapshot>
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