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from __future__ import annotations
import logging
from dataclasses import dataclass, field
from enum import Enum
from typing import List, Optional, Dict, Union, Any, TYPE_CHECKING, Tuple
from ..output import log
from ..profile import ProfileConfiguration
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: List[str] = field(default_factory=list)
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'
def as_json(self) -> Dict:
exclude_fields = ['type']
data = {}
for k, v in self.__dict__.items():
if k not in exclude_fields:
if isinstance(v, list) and len(v) == 0:
v = ''
elif v is None:
v = ''
data[k] = v
return data
def as_systemd_config(self) -> str:
match: List[Tuple[str, str]] = []
network: List[Tuple[str, str]] = []
if self.iface:
match.append(('Name', self.iface))
if self.dhcp:
network.append(('DHCP', 'yes'))
else:
if self.ip:
network.append(('Address', self.ip))
if self.gateway:
network.append(('Gateway', self.gateway))
for dns in self.dns:
network.append(('DNS', dns))
config = {'Match': match, 'Network': network}
config_str = ''
for top, entries in config.items():
config_str += f'[{top}]\n'
config_str += '\n'.join([f'{k}={v}' for k, v in entries])
config_str += '\n\n'
return config_str
def json(self) -> Dict:
# for json serialization when calling json.dumps(...) on this class
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,
profile_config: Optional[ProfileConfiguration] = None
):
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_config and profile_config.profile:
if profile_config.profile.is_desktop_type_profile():
installation.add_additional_packages(["network-manager-applet"])
installation.enable_service('NetworkManager.service')
def _parse_manual_config(self, configs: List[Dict[str, Any]]) -> Optional[List[NetworkConfiguration]]:
configurations = []
for manual_config in 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 = manual_config.get('ip', '')
if not ip:
log(_('Manual nic configuration with no auto DHCP requires an IP address'), fg='red')
exit(1)
dns = manual_config.get('dns', [])
if not isinstance(dns, list):
dns = [dns]
configurations.append(
NetworkConfiguration(
NicType.MANUAL,
iface=iface,
ip=ip,
gateway=manual_config.get('gateway', ''),
dns=dns,
dhcp=False
)
)
return configurations
def _parse_nic_type(self, nic_type: str) -> NicType:
try:
return 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)
def parse_arguments(self, config: Any):
if isinstance(config, list): # new data format
self._configuration = self._parse_manual_config(config)
elif nic_type := config.get('type', None): # new data format
type_ = self._parse_nic_type(nic_type)
if type_ != NicType.MANUAL:
self._configuration = NetworkConfiguration(type_)
else: # manual configuration settings
self._configuration = self._parse_manual_config([config])
else:
log(f'Unable to parse network configuration: {config}', level=logging.DEBUG)
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