3.14. 分离虚拟磁盘

Find the virtual machine:
Detach the first disk from the virtual machine:
Remove the attachment. The default behavior is that the disk is detached
from the virtual machine, but not deleted from the system. If you wish to
delete the disk, change the `detach_only` parameter to `false`.

# Find the virtual machine:
vm = vms_service.list(search: 'name=myvm').first

# Detach the first disk from the virtual machine:
vm_service = vms_service.vm_service(vm.id)
attachments_service = vm_service.disk_attachments_service
attachment = attachments_service.list.first

# Remove the attachment. The default behavior is that the disk is detached
# from the virtual machine, but not deleted from the system. If you wish to
# delete the disk, change the `detach_only` parameter to `false`.
attachment.remove(detach_only: true)