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from __future__ import annotations
import ipaddress
import logging
from typing import Any, Optional, TYPE_CHECKING, List, Union
from ..menu.menu import MenuSelectionType
from ..menu.text_input import TextInput
from ..models.network_configuration import NetworkConfiguration, NicType
from ..networking import list_interfaces
from ..menu import Menu
from ..output import log
from ..menu.list_manager import ListManager
if TYPE_CHECKING:
_: Any
class ManualNetworkConfig(ListManager):
"""
subclass of ListManager for the managing of network configuration accounts
"""
def __init__(self, prompt: str, ifaces: Union[None, NetworkConfiguration, List[NetworkConfiguration]]):
"""
param: prompt
type: str
param: ifaces already defined previously
type: Dict
"""
if ifaces is not None and isinstance(ifaces, list):
display_values = {iface.iface: iface for iface in ifaces}
else:
display_values = {}
self._action_add = str(_('Add interface'))
self._action_edit = str(_('Edit interface'))
self._action_delete = str(_('Delete interface'))
self._iface_actions = [self._action_edit, self._action_delete]
super().__init__(prompt, display_values, self._iface_actions, self._action_add)
def run_manual(self) -> List[NetworkConfiguration]:
ifaces = super().run()
if ifaces is not None:
return list(ifaces.values())
return []
def exec_action(self, data: Any):
if self.action == self._action_add:
iface_name = self._select_iface(data.keys())
if iface_name:
iface = NetworkConfiguration(NicType.MANUAL, iface=iface_name)
data[iface_name] = self._edit_iface(iface)
elif self.target:
iface_name = list(self.target.keys())[0]
iface = data[iface_name]
if self.action == self._action_edit:
data[iface_name] = self._edit_iface(iface)
elif self.action == self._action_delete:
del data[iface_name]
return data
def _select_iface(self, existing_ifaces: List[str]) -> Optional[Any]:
all_ifaces = list_interfaces().values()
available = set(all_ifaces) - set(existing_ifaces)
choice = Menu(str(_('Select interface to add')), list(available), skip=True).run()
if choice.type_ == MenuSelectionType.Esc:
return None
return choice.value
def _edit_iface(self, edit_iface :NetworkConfiguration):
iface_name = edit_iface.iface
modes = ['DHCP (auto detect)', 'IP (static)']
default_mode = 'DHCP (auto detect)'
prompt = _('Select which mode to configure for "{}" or skip to use default mode "{}"').format(iface_name, default_mode)
mode = Menu(prompt, modes, default_option=default_mode, skip=False).run()
if mode.value == 'IP (static)':
while 1:
prompt = _('Enter the IP and subnet for {} (example: 192.168.0.5/24): ').format(iface_name)
ip = TextInput(prompt, edit_iface.ip).run().strip()
# Implemented new check for correct IP/subnet input
try:
ipaddress.ip_interface(ip)
break
except ValueError:
log("You need to enter a valid IP in IP-config mode.", level=logging.WARNING, fg='red')
# Implemented new check for correct gateway IP address
gateway = None
while 1:
gateway_input = TextInput(_('Enter your gateway (router) IP address or leave blank for none: '),
edit_iface.gateway).run().strip()
try:
if len(gateway_input) > 0:
ipaddress.ip_address(gateway_input)
break
except ValueError:
log("You need to enter a valid gateway (router) IP address.", level=logging.WARNING, fg='red')
if edit_iface.dns:
display_dns = ' '.join(edit_iface.dns)
else:
display_dns = None
dns_input = TextInput(_('Enter your DNS servers (space separated, blank for none): '), display_dns).run().strip()
dns = []
if len(dns_input):
dns = dns_input.split(' ')
return NetworkConfiguration(NicType.MANUAL, iface=iface_name, ip=ip, gateway=gateway, dns=dns, dhcp=False)
else:
# this will contain network iface names
return NetworkConfiguration(NicType.MANUAL, iface=iface_name)
def ask_to_configure_network(preset: Union[None, NetworkConfiguration, List[NetworkConfiguration]]) -> Optional[Union[List[NetworkConfiguration], NetworkConfiguration]]:
"""
Configure the network on the newly installed system
"""
network_options = {
'none': str(_('No network configuration')),
'iso_config': str(_('Copy ISO network configuration to installation')),
'network_manager': str(_('Use NetworkManager (necessary to configure internet graphically in GNOME and KDE)')),
'manual': str(_('Manual configuration'))
}
# for this routine it's easier to set the cursor position rather than a preset value
cursor_idx = None
if preset and not isinstance(preset, list):
if preset.type == 'iso_config':
cursor_idx = 0
elif preset.type == 'network_manager':
cursor_idx = 1
warning = str(_('Are you sure you want to reset this setting?'))
choice = Menu(
_('Select one network interface to configure'),
list(network_options.values()),
cursor_index=cursor_idx,
sort=False,
explode_on_interrupt=True,
explode_warning=warning
).run()
match choice.type_:
case MenuSelectionType.Esc: return preset
case MenuSelectionType.Ctrl_c: return None
if choice.value == network_options['none']:
return None
elif choice.value == network_options['iso_config']:
return NetworkConfiguration(NicType.ISO)
elif choice.value == network_options['network_manager']:
return NetworkConfiguration(NicType.NM)
elif choice.value == network_options['manual']:
manual = ManualNetworkConfig('Configure interfaces', preset)
return manual.run_manual()
return preset
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