mirror of
https://github.com/libguestfs/libguestfs.git
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60405e5aa1
OVA is not a particularly well-specified format. The specification allows a directory to be an OVA, so enable that. The spec doesn't mention that ZIP can be used in place of tar, but since we have seen these in the wild, allow that too.
I exported a 2-disk guest from RHEV-M 3.4.0 to see what files it
creates in the Export Storage Domain, and this document summarises the
results of that.
----------------------------------------------------------------------
File layout in ESD:
./master/vms/723e029d-4154-40c7-92b7-5090aee986e0/723e029d-4154-40c7-92b7-5090aee986e0.ovf
First guest disk (20G):
./images/2717b56e-fe78-4575-a6a9-76b6dec7c796/150850e7-51ab-4dac-9547-30b2fbc817fc.meta
./images/2717b56e-fe78-4575-a6a9-76b6dec7c796/150850e7-51ab-4dac-9547-30b2fbc817fc
Second guest disk (2G):
./images/834b8284-9100-41a8-a575-a2303cd0186d/6bcc6613-cf96-4533-a036-bd2f415443fe
./images/834b8284-9100-41a8-a575-a2303cd0186d/6bcc6613-cf96-4533-a036-bd2f415443fe.meta
----------------------------------------------------------------------
Contents of OVF:
<?xml version='1.0' encoding='utf-8'?>
<ovf:Envelope xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1/"
xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData"
xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
ovf:version="3.4.0.0">
<References>
<File ovf:href="2717b56e-fe78-4575-a6a9-76b6dec7c796/150850e7-51ab-4dac-9547-30b2fbc817fc"
ovf:id="150850e7-51ab-4dac-9547-30b2fbc817fc"
ovf:size="21474836480" ovf:description="Active VM" />
<File ovf:href="834b8284-9100-41a8-a575-a2303cd0186d/6bcc6613-cf96-4533-a036-bd2f415443fe"
ovf:id="6bcc6613-cf96-4533-a036-bd2f415443fe"
ovf:size="2147483648" ovf:description="Active VM" />
<Nic ovf:id="4e9a951b-08ce-48a7-9dfc-1e6daf2d684c" />
</References>
<Section xsi:type="ovf:NetworkSection_Type">
<Info>List of networks</Info>
<Network ovf:name="Network 1" />
</Section>
<Section xsi:type="ovf:DiskSection_Type">
<Info>List of Virtual Disks</Info>
<Disk ovf:diskId="150850e7-51ab-4dac-9547-30b2fbc817fc"
ovf:size="20" ovf:actual_size="3"
ovf:vm_snapshot_id="18d67202-603d-4381-a904-4d19adef3281"
ovf:parentRef=""
ovf:fileRef="2717b56e-fe78-4575-a6a9-76b6dec7c796/150850e7-51ab-4dac-9547-30b2fbc817fc"
ovf:format="http://www.vmware.com/specifications/vmdk.html#sparse"
ovf:volume-format="RAW" ovf:volume-type="Sparse"
ovf:disk-interface="VirtIO_SCSI" ovf:boot="true"
ovf:disk-alias="fedora20_Disk1"
ovf:wipe-after-delete="false" />
<Disk ovf:diskId="6bcc6613-cf96-4533-a036-bd2f415443fe"
ovf:size="2" ovf:actual_size="0"
ovf:vm_snapshot_id="18d67202-603d-4381-a904-4d19adef3281"
ovf:parentRef=""
ovf:fileRef="834b8284-9100-41a8-a575-a2303cd0186d/6bcc6613-cf96-4533-a036-bd2f415443fe"
ovf:format="http://www.vmware.com/specifications/vmdk.html#sparse"
ovf:volume-format="RAW" ovf:volume-type="Sparse"
ovf:disk-interface="VirtIO" ovf:boot="false"
ovf:disk-alias="fedora20_Disk2"
ovf:wipe-after-delete="false" />
</Section>
<Content ovf:id="out" xsi:type="ovf:VirtualSystem_Type">
<Description></Description>
<CreationDate>2014/07/31 21:14:14</CreationDate>
<ExportDate>2014/10/08 13:33:46</ExportDate>
<DeleteProtected>false</DeleteProtected>
<SsoMethod>guest_agent</SsoMethod>
<IsSmartcardEnabled>false</IsSmartcardEnabled>
<TimeZone></TimeZone>
<default_boot_sequence>9</default_boot_sequence>
<Generation>4</Generation>
<VmType>1</VmType>
<MinAllocatedMem>1024</MinAllocatedMem>
<IsStateless>false</IsStateless>
<IsRunAndPause>false</IsRunAndPause>
<AutoStartup>false</AutoStartup>
<Priority>1</Priority>
<CreatedByUserId>
fdfc627c-d875-11e0-90f0-83df133b58cc</CreatedByUserId>
<VmInit ovf:regenerateKeys="false" ovf:networks="[ ]"
ovf:customScript="" />
<Name>fedora20</Name>
<TemplateId>00000000-0000-0000-0000-000000000000</TemplateId>
<TemplateName>Blank</TemplateName>
<IsInitilized>true</IsInitilized>
<Origin>3</Origin>
<DefaultDisplayType>1</DefaultDisplayType>
<TrustedService>false</TrustedService>
<OriginalTemplateId>
00000000-0000-0000-0000-000000000000</OriginalTemplateId>
<OriginalTemplateName>Blank</OriginalTemplateName>
<UseLatestVersion>false</UseLatestVersion>
<Section ovf:id="723e029d-4154-40c7-92b7-5090aee986e0"
ovf:required="false"
xsi:type="ovf:OperatingSystemSection_Type">
<Info>Guest Operating System</Info>
<Description>rhel_7x64</Description>
</Section>
<Section xsi:type="ovf:VirtualHardwareSection_Type">
<Info>1 CPU, 1024 Memeory</Info>
<System>
<vssd:VirtualSystemType>ENGINE
3.4.0.0</vssd:VirtualSystemType>
</System>
<Item>
<rasd:Caption>1 virtual cpu</rasd:Caption>
<rasd:Description>Number of virtual CPU</rasd:Description>
<rasd:InstanceId>1</rasd:InstanceId>
<rasd:ResourceType>3</rasd:ResourceType>
<rasd:num_of_sockets>1</rasd:num_of_sockets>
<rasd:cpu_per_socket>1</rasd:cpu_per_socket>
</Item>
<Item>
<rasd:Caption>1024 MB of memory</rasd:Caption>
<rasd:Description>Memory Size</rasd:Description>
<rasd:InstanceId>2</rasd:InstanceId>
<rasd:ResourceType>4</rasd:ResourceType>
<rasd:AllocationUnits>MegaBytes</rasd:AllocationUnits>
<rasd:VirtualQuantity>1024</rasd:VirtualQuantity>
</Item>
<Item>
<rasd:Caption>fedora20_Disk1</rasd:Caption>
<rasd:InstanceId>
150850e7-51ab-4dac-9547-30b2fbc817fc</rasd:InstanceId>
<rasd:ResourceType>17</rasd:ResourceType>
<rasd:HostResource>
2717b56e-fe78-4575-a6a9-76b6dec7c796/150850e7-51ab-4dac-9547-30b2fbc817fc</rasd:HostResource>
<rasd:Parent>
00000000-0000-0000-0000-000000000000</rasd:Parent>
<rasd:Template>
00000000-0000-0000-0000-000000000000</rasd:Template>
<rasd:ApplicationList></rasd:ApplicationList>
<rasd:StorageId>
b592eac5-7c12-4843-ae51-7b0f90a9dfb4</rasd:StorageId>
<rasd:StoragePoolId>
00000002-0002-0002-0002-0000000000f2</rasd:StoragePoolId>
<rasd:CreationDate>2014/07/31 21:15:03</rasd:CreationDate>
<rasd:LastModified>2014/07/31 21:15:03</rasd:LastModified>
<rasd:last_modified_date>2014/10/08
13:33:46</rasd:last_modified_date>
<Type>disk</Type>
<Device>disk</Device>
<rasd:Address>{unit=0, bus=0, target=0, controller=0,
type=drive}</rasd:Address>
<BootOrder>1</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>scsi0-0-0-0</Alias>
</Item>
<Item>
<rasd:Caption>fedora20_Disk2</rasd:Caption>
<rasd:InstanceId>
6bcc6613-cf96-4533-a036-bd2f415443fe</rasd:InstanceId>
<rasd:ResourceType>17</rasd:ResourceType>
<rasd:HostResource>
834b8284-9100-41a8-a575-a2303cd0186d/6bcc6613-cf96-4533-a036-bd2f415443fe</rasd:HostResource>
<rasd:Parent>
00000000-0000-0000-0000-000000000000</rasd:Parent>
<rasd:Template>
00000000-0000-0000-0000-000000000000</rasd:Template>
<rasd:ApplicationList></rasd:ApplicationList>
<rasd:StorageId>
b592eac5-7c12-4843-ae51-7b0f90a9dfb4</rasd:StorageId>
<rasd:StoragePoolId>
00000002-0002-0002-0002-0000000000f2</rasd:StoragePoolId>
<rasd:CreationDate>2014/10/08 13:06:51</rasd:CreationDate>
<rasd:LastModified>2014/10/08 13:06:51</rasd:LastModified>
<rasd:last_modified_date>2014/10/08
13:33:46</rasd:last_modified_date>
<Type>disk</Type>
<Device>disk</Device>
<rasd:Address></rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias></Alias>
</Item>
<Item>
<rasd:Caption>Ethernet adapter on rhevm</rasd:Caption>
<rasd:InstanceId>
4e9a951b-08ce-48a7-9dfc-1e6daf2d684c</rasd:InstanceId>
<rasd:ResourceType>10</rasd:ResourceType>
<rasd:OtherResourceType>ovirtmgmt</rasd:OtherResourceType>
<rasd:ResourceSubType>3</rasd:ResourceSubType>
<rasd:Connection>rhevm</rasd:Connection>
<rasd:Linked>true</rasd:Linked>
<rasd:Name>nic1</rasd:Name>
<rasd:MACAddress>00:1a:4a:6b:ec:cb</rasd:MACAddress>
<rasd:speed>1000</rasd:speed>
<Type>interface</Type>
<Device>bridge</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x03, function=0x0}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>net0</Alias>
</Item>
<Item>
<rasd:Caption>USB Controller</rasd:Caption>
<rasd:InstanceId>3</rasd:InstanceId>
<rasd:ResourceType>23</rasd:ResourceType>
<rasd:UsbPolicy>DISABLED</rasd:UsbPolicy>
</Item>
<Item>
<rasd:Caption>Graphical Controller</rasd:Caption>
<rasd:InstanceId>
74e9c132-70a0-4114-8c63-f1a8414439f3</rasd:InstanceId>
<rasd:ResourceType>20</rasd:ResourceType>
<rasd:VirtualQuantity>1</rasd:VirtualQuantity>
<rasd:SinglePciQxl>true</rasd:SinglePciQxl>
<Type>video</Type>
<Device>qxl</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x02, function=0x0}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>true</IsReadOnly>
<Alias>video0</Alias>
<SpecParams>
<ram>65536</ram>
<vram>32768</vram>
<heads>1</heads>
</SpecParams>
</Item>
<Item>
<rasd:Caption>CDROM</rasd:Caption>
<rasd:InstanceId>
f539c2b6-a64d-4856-a2ef-4d5d610124a7</rasd:InstanceId>
<rasd:ResourceType>15</rasd:ResourceType>
<Type>disk</Type>
<Device>cdrom</Device>
<rasd:Address>{unit=0, bus=1, target=0, controller=0,
type=drive}</rasd:Address>
<BootOrder>2</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>true</IsReadOnly>
<Alias>ide0-1-0</Alias>
<SpecParams>
<path></path>
</SpecParams>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
13215af9-485e-4eed-ad08-d7ac421c5d51</rasd:InstanceId>
<Type>controller</Type>
<Device>usb</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x01, function=0x2}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>usb0</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
34e58a07-be16-496c-b3bf-138d41996e96</rasd:InstanceId>
<Type>channel</Type>
<Device>spicevmc</Device>
<rasd:Address>{port=3, bus=0, controller=0,
type=virtio-serial}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>channel2</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
93c31401-d15b-45c1-9a0f-053616f3d6ad</rasd:InstanceId>
<Type>channel</Type>
<Device>unix</Device>
<rasd:Address>{port=2, bus=0, controller=0,
type=virtio-serial}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>channel1</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
a47198dc-9ce6-4ec1-9936-e731e25d3957</rasd:InstanceId>
<Type>controller</Type>
<Device>ide</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x01, function=0x1}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>ide0</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
b7dbcd22-2580-4ef0-af85-cbed64952cf2</rasd:InstanceId>
<Type>controller</Type>
<Device>virtio-serial</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x05, function=0x0}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>virtio-serial0</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
de72be17-014f-4ba8-b78d-48217bd06af3</rasd:InstanceId>
<Type>channel</Type>
<Device>unix</Device>
<rasd:Address>{port=1, bus=0, controller=0,
type=virtio-serial}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>channel0</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
734fad08-019f-4482-acb3-011f3f79819e</rasd:InstanceId>
<Type>controller</Type>
<Device>virtio-scsi</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x04, function=0x0}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>false</IsReadOnly>
<Alias>scsi0</Alias>
</Item>
<Item>
<rasd:ResourceType>0</rasd:ResourceType>
<rasd:InstanceId>
c4eb8c25-7d85-4cc9-9e3c-cfd1c455b05b</rasd:InstanceId>
<Type>balloon</Type>
<Device>memballoon</Device>
<rasd:Address>{bus=0x00, domain=0x0000, type=pci,
slot=0x06, function=0x0}</rasd:Address>
<BootOrder>0</BootOrder>
<IsPlugged>true</IsPlugged>
<IsReadOnly>true</IsReadOnly>
<Alias>balloon0</Alias>
<SpecParams>
<model>virtio</model>
</SpecParams>
</Item>
</Section>
<Section xsi:type="ovf:SnapshotsSection_Type">
<Snapshot ovf:id="18d67202-603d-4381-a904-4d19adef3281">
<Type>ACTIVE</Type>
<Description>Active VM</Description>
<CreationDate>2014/07/31 21:14:14</CreationDate>
</Snapshot>
</Section>
</Content>
</ovf:Envelope>
----------------------------------------------------------------------
Contents of first disk .meta file:
DOMAIN=39b6af0e-1d64-40c2-97e4-4f094f1919c7
VOLTYPE=LEAF
CTIME=1412773630
FORMAT=RAW
IMAGE=2717b56e-fe78-4575-a6a9-76b6dec7c796
DISKTYPE=2
PUUID=00000000-0000-0000-0000-000000000000
LEGALITY=LEGAL
MTIME=1412773653
POOL_UUID=
DESCRIPTION=
TYPE=SPARSE
SIZE=41943040
EOF
----------------------------------------------------------------------
Contents of second disk .meta:
DOMAIN=39b6af0e-1d64-40c2-97e4-4f094f1919c7
VOLTYPE=LEAF
CTIME=1412773629
FORMAT=RAW
IMAGE=834b8284-9100-41a8-a575-a2303cd0186d
DISKTYPE=2
PUUID=00000000-0000-0000-0000-000000000000
LEGALITY=LEGAL
MTIME=1412773630
POOL_UUID=
DESCRIPTION=
TYPE=SPARSE
SIZE=4194304
EOF