virtualbmc.py 文件源码

def set_boot_device(self, bootdevice):
        LOG.debug('Set boot device called for %(domain)s with boot '
                  'device "%(bootdev)s"', {'domain': self.domain_name,
                                           'bootdev': bootdevice})
        device = SET_BOOT_DEVICES_MAP.get(bootdevice)
        if device is None:
            return 0xd5

        with utils.libvirt_open(**self._conn_args) as conn:
            domain = utils.get_libvirt_domain(conn, self.domain_name)
            tree = ET.fromstring(domain.XMLDesc())

            for os_element in tree.findall('os'):
                # Remove all "boot" elements
                for boot_element in os_element.findall('boot'):
                    os_element.remove(boot_element)

                # Add a new boot element with the request boot device
                boot_element = ET.SubElement(os_element, 'boot')
                boot_element.set('dev', device)

            try:
                conn.defineXML(ET.tostring(tree))
            except libvirt.libvirtError as e:
                LOG.error('Failed setting the boot device  %(bootdev)s for '
                          'domain %(domain)s', {'bootdev': device,
                                                'domain': self.domain_name})