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from __future__ import annotations
import ipaddress
from typing import Any, Optional, TYPE_CHECKING, List, Union, Dict
from ..menu import MenuSelectionType, TextInput
from ..models.network_configuration import NetworkConfiguration, NicType
from ..networking import list_interfaces
from ..output import FormattedOutput, warn
from ..menu import ListManager, Menu
if TYPE_CHECKING:
_: Any
class ManualNetworkConfig(ListManager):
"""
subclass of ListManager for the managing of network configurations
"""
def __init__(self, prompt: str, ifaces: List[NetworkConfiguration]):
self._actions = [
str(_('Add interface')),
str(_('Edit interface')),
str(_('Delete interface'))
]
super().__init__(prompt, ifaces, [self._actions[0]], self._actions[1:])
def reformat(self, data: List[NetworkConfiguration]) -> Dict[str, Optional[NetworkConfiguration]]:
table = FormattedOutput.as_table(data)
rows = table.split('\n')
# these are the header rows of the table and do not map to any User obviously
# we're adding 2 spaces as prefix because the menu selector '> ' will be put before
# the selectable rows so the header has to be aligned
display_data: Dict[str, Optional[NetworkConfiguration]] = {f' {rows[0]}': None, f' {rows[1]}': None}
for row, iface in zip(rows[2:], data):
row = row.replace('|', '\\|')
display_data[row] = iface
return display_data
def selected_action_display(self, iface: NetworkConfiguration) -> str:
return iface.iface if iface.iface else ''
def handle_action(self, action: str, entry: Optional[NetworkConfiguration], data: List[NetworkConfiguration]):
if action == self._actions[0]: # add
iface_name = self._select_iface(data)
if iface_name:
iface = NetworkConfiguration(NicType.MANUAL, iface=iface_name)
iface = self._edit_iface(iface)
data += [iface]
elif entry:
if action == self._actions[1]: # edit interface
data = [d for d in data if d.iface != entry.iface]
data.append(self._edit_iface(entry))
elif action == self._actions[2]: # delete
data = [d for d in data if d != entry]
return data
def _select_iface(self, data: List[NetworkConfiguration]) -> Optional[Any]:
all_ifaces = list_interfaces().values()
existing_ifaces = [d.iface for d in data]
available = set(all_ifaces) - set(existing_ifaces)
choice = Menu(str(_('Select interface to add')), list(available), skip=True).run()
if choice.type_ == MenuSelectionType.Skip:
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:
warn("You need to enter a valid IP in IP-config mode")
# Implemented new check for correct gateway IP address
gateway = None
while 1:
gateway = TextInput(
_('Enter your gateway (router) IP address or leave blank for none: '),
edit_iface.gateway
).run().strip()
try:
if len(gateway) > 0:
ipaddress.ip_address(gateway)
break
except ValueError:
warn("You need to enter a valid gateway (router) IP address")
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[NetworkConfiguration, List[NetworkConfiguration]]
) -> Optional[NetworkConfiguration | List[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,
allow_reset=True,
allow_reset_warning_msg=warning
).run()
match choice.type_:
case MenuSelectionType.Skip: return preset
case MenuSelectionType.Reset: 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']:
preset_ifaces = preset if isinstance(preset, list) else []
return ManualNetworkConfig('Configure interfaces', preset_ifaces).run()
return preset
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