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stages/ovf: write virtualbox

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Expand the written XML to include information as used by VirtualBox.
This should not affect any other use cases of the OVF document that is
generated and is purely extra information consumed by VirtualBox.

Signed-off-by: Simon de Vlieger <supakeen@redhat.com>
This commit is contained in:
Simon de Vlieger 2025-06-30 08:17:31 +02:00 • committed by Simon de Vlieger
parent d85ead3956
commit 9559cd0528
1 changed files with 53 additions and 2 deletions
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55
stages/org.osbuild.ovf
View file

@ -1,20 +1,22 @@
#!/usr/bin/python3
import json
import os
import random
import subprocess
import sys
import uuid
import osbuild.api
from osbuild.util import checksum
OVF_TEMPLATE = """<?xml version="1.0"?>
<Envelope xmlns="http://schemas.dmtf.org/ovf/envelope/1" xmlns:cim="http://schemas.dmtf.org/wbem/wscim/1/common" xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vmw="http://www.vmware.com/schema/ovf" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Envelope xmlns="http://schemas.dmtf.org/ovf/envelope/1" xmlns:cim="http://schemas.dmtf.org/wbem/wscim/1/common" xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vmw="http://www.vmware.com/schema/ovf" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:vbox="http://www.virtualbox.org/ovf/machine">
<References>
<File ovf:href="{image_name}" ovf:id="file1" ovf:size="{vmdk_size}"/>
</References>
<DiskSection>
<Info>Virtual disk information</Info>
<Disk ovf:capacity="{vmdk_capacity}" ovf:capacityAllocationUnits="byte" ovf:diskId="vmdisk1" ovf:fileRef="file1" ovf:format="http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized" ovf:populatedSize="{vmdk_size}"/>
<Disk ovf:capacity="{vmdk_capacity}" ovf:capacityAllocationUnits="byte" ovf:diskId="vmdisk1" ovf:fileRef="file1" ovf:format="http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized" ovf:populatedSize="{vmdk_size}" vbox:uuid="{vbox_disk_uuid}"/>
</DiskSection>
<NetworkSection>
<Info>The list of logical networks</Info>
@ -84,11 +86,56 @@ OVF_TEMPLATE = """<?xml version="1.0"?>
<vmw:Config ovf:required="false" vmw:key="bootOptions.efiSecureBootEnabled" vmw:value="false"/>
<vmw:Config ovf:required="false" vmw:key="firmware" vmw:value="efi"/>
</VirtualHardwareSection>
<vbox:Machine ovf:required="false" version="1.16-linux" uuid="{vbox_machine_uuid}" name="packer-virtualbox-UNIX" OSType="{vbox_os_type}" snapshotFolder="Snapshots">
<ovf:Info>Complete VirtualBox machine configuration in VirtualBox format</ovf:Info>
<Hardware>
<CPU count="2">
<PAE enabled="true"/>
<LongMode enabled="true"/>
<X2APIC enabled="true"/>
<HardwareVirtExLargePages enabled="false"/>
</CPU>
<Memory RAMSize="1024"/>
<Boot>
<Order position="1" device="HardDisk"/>
<Order position="2" device="DVD"/>
<Order position="3" device="None"/>
<Order position="4" device="None"/>
</Boot>
<BIOS>
<IOAPIC enabled="true"/>
<SmbiosUuidLittleEndian enabled="true"/>
</BIOS>
<Network>
<Adapter slot="0" enabled="true" MACAddress="{vbox_mac_address}" type="82540EM">
<NAT/>
</Adapter>
</Network>
<AudioAdapter driver="OSS" enabledIn="false" enabledOut="false"/>
<Clipboard/>
</Hardware>
<StorageControllers>
<StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
<AttachedDevice type="HardDisk" hotpluggable="false" port="0" device="0">
<Image uuid="{vbox_disk_uuid}"/>
</AttachedDevice>
</StorageController>
</StorageControllers>
</vbox:Machine>
</VirtualSystem>
</Envelope>
"""
def vbox_mac_address():
# https://github.com/mirror/vbox/blob/b9657cd5351cf17432b664009cc25bb480dc64c1/src/VBox/Main/src-server/HostImpl.cpp#L3267
# VirtualBox-6.1.12 src/VBox/NetworkServices/Dhcpd/Config.cpp line 276
mac_address = "080027"
for _ in range(0, 3):
mac_address += "".join(random.sample("0123456789abcdef", 2))
return mac_address
def virtual_size(vmdk):
cmd = ["qemu-img", "info", "--output=json", vmdk]
res = subprocess.run(
@ -107,6 +154,10 @@ def write_template(vmdk):
ovf_data = OVF_TEMPLATE.format(
vmdk_size=os.stat(vmdk).st_size,
vmdk_capacity=virtual_size(vmdk),
vbox_machine_uuid=str(uuid.uuid4()),
vbox_disk_uuid=str(uuid.uuid4()),
vbox_os_type="ArchLinux_64",
vbox_mac_address=vbox_mac_address(),
image_name=basename,
)