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from __future__ import annotations
from dataclasses import dataclass
from enum import Enum
from typing import List, Optional, Dict, Union, Any, TYPE_CHECKING
from ..output import log
from ..storage import storage
if TYPE_CHECKING:
_: Any
class NicType(str, Enum):
ISO = "iso"
NM = "nm"
MANUAL = "manual"
@dataclass
class NetworkConfiguration:
type: NicType
iface: Optional[str] = None
ip: Optional[str] = None
dhcp: bool = True
gateway: Optional[str] = None
dns: Union[None, List[str]] = None
def __str__(self):
if self.is_iso():
return "Copy ISO configuration"
elif self.is_network_manager():
return "Use NetworkManager"
elif self.is_manual():
if self.dhcp:
return f'iface={self.iface}, dhcp=auto'
else:
return f'iface={self.iface}, ip={self.ip}, dhcp=staticIp, gateway={self.gateway}, dns={self.dns}'
else:
return 'Unknown type'
# for json serialization when calling json.dumps(...) on this class
def json(self):
return self.__dict__
def is_iso(self) -> bool:
return self.type == NicType.ISO
def is_network_manager(self) -> bool:
return self.type == NicType.NM
def is_manual(self) -> bool:
return self.type == NicType.MANUAL
class NetworkConfigurationHandler:
def __init__(self, config: Union[None, NetworkConfiguration, List[NetworkConfiguration]] = None):
self._configuration = config
@property
def configuration(self):
return self._configuration
def config_installer(self, installation: Any):
if self._configuration is None:
return
if isinstance(self._configuration, list):
for config in self._configuration:
installation.configure_nic(config)
installation.enable_service('systemd-networkd')
installation.enable_service('systemd-resolved')
else:
# If user selected to copy the current ISO network configuration
# Perform a copy of the config
if self._configuration.is_iso():
installation.copy_iso_network_config(
enable_services=True) # Sources the ISO network configuration to the install medium.
elif self._configuration.is_network_manager():
installation.add_additional_packages(["networkmanager"])
if (profile := storage['arguments'].get('profile')) and profile.is_desktop_profile:
installation.add_additional_packages(["network-manager-applet"])
installation.enable_service('NetworkManager.service')
def _backwards_compability_config(self, config: Union[str,Dict[str, str]]) -> Union[List[NetworkConfiguration], NetworkConfiguration, None]:
def get(config: Dict[str, str], key: str) -> List[str]:
if (value := config.get(key, None)) is not None:
return [value]
return []
if isinstance(config, str): # is a ISO network
return NetworkConfiguration(NicType.ISO)
elif config.get('NetworkManager'): # is a network manager configuration
return NetworkConfiguration(NicType.NM)
elif 'ip' in config:
return [NetworkConfiguration(
NicType.MANUAL,
iface=config.get('nic', ''),
ip=config.get('ip'),
gateway=config.get('gateway', ''),
dns=get(config, 'dns'),
dhcp=False
)]
elif 'nic' in config:
return [NetworkConfiguration(
NicType.MANUAL,
iface=config.get('nic', ''),
dhcp=True
)]
else: # not recognized
return None
def _parse_manual_config(self, config: Dict[str, Any]) -> Union[None, List[NetworkConfiguration]]:
manual_configs: List = config.get('config', [])
if not manual_configs:
return None
if not isinstance(manual_configs, list):
log(_('Manual configuration setting must be a list'))
exit(1)
configurations = []
for manual_config in manual_configs:
iface = manual_config.get('iface', None)
if iface is None:
log(_('No iface specified for manual configuration'))
exit(1)
if manual_config.get('dhcp', False) or not any([manual_config.get(v, '') for v in ['ip', 'gateway', 'dns']]):
configurations.append(
NetworkConfiguration(NicType.MANUAL, iface=iface)
)
else:
ip = config.get('ip', '')
if not ip:
log(_('Manual nic configuration with no auto DHCP requires an IP address'), fg='red')
exit(1)
configurations.append(
NetworkConfiguration(
NicType.MANUAL,
iface=iface,
ip=ip,
gateway=config.get('gateway', ''),
dns=config.get('dns', []),
dhcp=False
)
)
return configurations
def parse_arguments(self, config: Any):
nic_type = config.get('type', None)
if not nic_type:
# old style definitions
network_config = self._backwards_compability_config(config)
if network_config:
return network_config
return None
try:
type_ = NicType(nic_type)
except ValueError:
options = [e.value for e in NicType]
log(_('Unknown nic type: {}. Possible values are {}').format(nic_type, options), fg='red')
exit(1)
if type_ != NicType.MANUAL:
self._configuration = NetworkConfiguration(type_)
else: # manual configuration settings
self._configuration = self._parse_manual_config(config)
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