libvirt_utils.py 文件源码

def delete_virtual_network(network_xml):
    LI('Begin to find and delete network %s' % network_xml)
    tree = ET.ElementTree(file=network_xml)
    root = tree.getroot()
    names = root.findall('./name')
    assert len(names) == 1
    name = names[0].text

    result = 0
    conn = libvirt.open('qemu:///system')

    for net in conn.listAllNetworks():
        if name == net.name():
            if net.isActive():
                net.destroy()
                LI('Network %s is destroyed' % name)
            net.undefine()
            LI('Network %s is deleted' % name)
            result = 1
            break
    conn.close()
    if not result:
        LI('Network %s is not found' % name)