def _device_has_ibft_connection(self, device):
ac = device.get_active_connection()
if ac:
con = ac.get_connection()
if is_ibft_connection(con):
return True
return False
def get_dracut_arguments(self, iface, target_ip, hostname, ibft):
"""Get dracut arguments for the iface and iSCSI target.
The dracut arguments would activate the iface in initramfs so that the
iSCSI target can be attached (for example to mount root filesystem).
:param iface: network interface used to connect to the target
:param target_ip: IP of the iSCSI target
:param hostname: static hostname to be configured
:param ibft: the device should be configured from iBFT
"""
log.debug("Getting dracut arguments for iface %s target %s (ibft==%s)",
iface, target_ip, ibft)
dracut_args = []
if not self.nm_available:
log.debug(
"Get dracut arguments: can't be obtained, no NetworkManager available."
)
return dracut_args
if iface and iface not in (device.get_iface()
for device in self.nm_client.get_devices()):
log.error("Get dracut arguments for %s: device not found", iface)
return dracut_args
connections = self.nm_client.get_connections()
target_connections = []
if ibft:
target_connections = [
con for con in connections if is_ibft_connection(con)
]
else:
for cfg in self._device_configurations.get_for_device(iface):
uuid = cfg.connection_uuid
if uuid:
connection = self.nm_client.get_connection_by_uuid(uuid)
if connection:
target_connections.append(connection)
if target_connections:
if len(target_connections) > 1:
log.debug(
"Get dracut arguments: "
"multiple connections found for traget %s: %s, taking the first one",
[con.get_uuid() for con in target_connections], target_ip)
connection = target_connections[0]
else:
log.error(
"Get dracut arguments: can't find connection for target %s",
target_ip)
return dracut_args
dracut_args = list(
get_dracut_arguments_from_connection(self.nm_client, connection,
iface, target_ip, hostname,
ibft))
return dracut_args