3.7. 列出虚拟机和总磁盘大小

这个示例打印虚拟机列表及其总磁盘大小（以字节为单位）：

V4

import ovirtsdk4 as sdk
import ovirtsdk4.types as types

connection = sdk.Connection(
    url='https://engine.example.com/ovirt-engine/api',
    username='admin@internal',
    password='password',
    ca_file='ca.pem',
)

vms_service = connection.system_service().vms_service()

virtual_machines = vms_service.list()

if len(virtual_machines) > 0:

    print("%-30s  %s" % ("Name", "Disk Size"))
    print("==================================================")

    for virtual_machine in virtual_machines:
        vm_service = vms_service.vm_service(virtual_machine.id)
        disk_attachments = vm_service.disk_attachments_service().list()
        disk_size = 0
        for disk_attachment in disk_attachments:
            disk = connection.follow_link(disk_attachment.disk)
            disk_size += disk.provisioned_size

            print("%-30s: %d" % (virtual_machine.name, disk_size))

示例输出虚拟机名称及其磁盘大小：

Name                          Disk Size
==================================================
vm1                           50000000000