116 lines
3.0 KiB
Python
116 lines
3.0 KiB
Python
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import pathlib
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from lxml import etree
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from lxml.builder import E
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class NewXML:
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def __init__(
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self,
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name: str,
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title: str,
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memory: int,
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vcpus: int,
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cpu_vendor: str,
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cpu_model: str,
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volume_path: str,
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desc: str | None = None,
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show_boot_menu: bool = False,
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):
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"""
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Initialise basic XML using lxml E-Factory. Ref:
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- https://lxml.de/tutorial.html#the-e-factory
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- https://libvirt.org/formatdomain.html
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"""
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DOMAIN = E.domain
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NAME = E.name
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TITLE = E.title
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DESCRIPTION = E.description
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METADATA = E.metadata
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MEMORY = E.memory
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CURRENTMEMORY = E.currentMemory
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VCPU = E.vcpu
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OS = E.os
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OS_TYPE = E.type
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OS_BOOT = E.boot
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FEATURES = E.features
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ACPI = E.acpi
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APIC = E.apic
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CPU = E.cpu
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CPU_VENDOR = E.vendor
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CPU_MODEL = E.model
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ON_POWEROFF = E.on_poweroff
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ON_REBOOT = E.on_reboot
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ON_CRASH = E.on_crash
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DEVICES = E.devices
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EMULATOR = E.emulator
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DISK = E.disk
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DISK_DRIVER = E.driver
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DISK_SOURCE = E.source
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DISK_TARGET = E.target
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INTERFACE = E.interface
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GRAPHICS = E.graphics
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self.domain = DOMAIN(
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NAME(name),
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TITLE(title),
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DESCRIPTION(desc or ""),
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METADATA(),
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MEMORY(str(memory), unit='MB'),
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CURRENTMEMORY(str(memory), unit='MB'),
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VCPU(str(vcpus), placement='static'),
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OS(
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OS_TYPE('hvm', arch='x86_64'),
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OS_BOOT(dev='cdrom'),
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OS_BOOT(dev='hd'),
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),
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FEATURES(
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ACPI(),
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APIC(),
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),
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CPU(
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CPU_VENDOR(cpu_vendor),
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CPU_MODEL(cpu_model, fallback='forbid'),
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mode='custom',
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match='exact',
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check='partial',
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),
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ON_POWEROFF('destroy'),
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ON_REBOOT('restart'),
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ON_CRASH('restart'),
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DEVICES(
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EMULATOR('/usr/bin/qemu-system-x86_64'),
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DISK(
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DISK_DRIVER(name='qemu', type='qcow2', cache='writethrough'),
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DISK_SOURCE(file=volume_path),
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DISK_TARGET(dev='vda', bus='virtio'),
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type='file',
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device='disk',
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),
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),
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type='kvm',
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)
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def add_volume(self, options: dict, params: dict):
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"""Add disk device to domain."""
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DISK = E.disk
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DISK_DRIVER = E.driver
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DISK_SOURCE = E.source
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DISK_TARGET = E.target
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x = NewXML(
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name='1',
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title='first',
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memory=2048,
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vcpus=4,
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cpu_vendor='Intel',
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cpu_model='Broadwell',
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volume_path='/srv/vm-volumes/5031077f-f9ea-410b-8d84-ae6e79f8cde0.qcow2',
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)
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# x.add_volume()
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# print(x.domain)
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print(etree.tostring(x.domain, pretty_print=True).decode().strip())
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