+ @classmethod
+ def add_cdrom(cls, file_path, xml_str):
+ """Add a CD-ROM disk XML node in 'devices' node
+
+ <devices>
+ <disk type='file' device='cdrom'>
+ <driver name='qemu' type='raw'/>
+ <source file='/var/lib/libvirt/images/data.img'/>
+ <target dev='hdb'/>
+ <readonly/>
+ </disk>
+ ...
+ </devices>
+ """
+
+ root = ET.fromstring(xml_str)
+ device = root.find('devices')
+
+ disk = ET.SubElement(device, 'disk')
+ disk.set('type', 'file')
+ disk.set('device', 'cdrom')
+
+ driver = ET.SubElement(disk, 'driver')
+ driver.set('name', 'qemu')
+ driver.set('type', 'raw')
+
+ source = ET.SubElement(disk, 'source')
+ source.set('file', file_path)
+
+ target = ET.SubElement(disk, 'target')
+ target.set('dev', 'hdb')
+
+ ET.SubElement(disk, 'readonly')
+ return ET.tostring(root)
+
+ @staticmethod
+ def gen_cdrom_image(connection, file_path, vm_name, vm_user, key_filename):
+ """Generate ISO image for CD-ROM """
+
+ user_config = [" - name: {user_name}",
+ " ssh_authorized_keys:",
+ " - {pub_key_str}"]
+ if vm_user != "root":
+ user_config.append(" sudo: ALL=(ALL) NOPASSWD:ALL")
+
+ meta_data = "/tmp/meta-data"
+ user_data = "/tmp/user-data"
+ with open(".".join([key_filename, "pub"]), "r") as pub_key_file:
+ pub_key_str = pub_key_file.read().rstrip()
+ user_conf = os.linesep.join(user_config).format(pub_key_str=pub_key_str, user_name=vm_user)
+
+ cmd_lst = [
+ "touch %s" % meta_data,
+ USER_DATA_TEMPLATE.format(user_file=user_data, host=vm_name, user_config=user_conf),
+ "genisoimage -output {0} -volid cidata -joliet -r {1} {2}".format(file_path,
+ meta_data,
+ user_data),
+ "rm {0} {1}".format(meta_data, user_data),
+ ]
+ for cmd in cmd_lst:
+ LOG.info(cmd)
+ status, _, error = connection.execute(cmd)
+ if status:
+ raise exceptions.LibvirtQemuImageCreateError(error=error)
+