class NetworkView(BaseView): title = _("Network connections") excerpt = _("Configure at least one interface this server can use to talk " "to other machines, and which preferably provides sufficient " "access for updates.") footer = _("Select an interface to configure it or select Done to " "continue") def __init__(self, model, controller): self.model = model self.controller = controller self.dev_to_row = {} self.cur_netdevs = [] self.error = Text("", align='center') self.device_table = TablePile(self._build_model_inputs(), spacing=2, colspecs={ 0: ColSpec(rpad=1), 4: ColSpec(can_shrink=True, rpad=1), }) self._create_bond_btn = menu_btn(_("Create bond"), on_press=self._create_bond) bp = button_pile([self._create_bond_btn]) bp.align = 'left' self.listbox = ListBox([self.device_table] + [ bp, ]) self.bottom = Pile([ Text(""), self._build_buttons(), Text(""), ]) self.error_showing = False self.frame = Pile([('pack', Text("")), ('pack', Padding.center_79(Text(_(self.excerpt)))), ('pack', Text("")), Padding.center_90(self.listbox), ('pack', self.bottom)]) self.frame.set_focus(self.bottom) super().__init__(self.frame) def _build_buttons(self): back = back_btn(_("Back"), on_press=self.cancel) done = done_btn(_("Done"), on_press=self.done) return button_pile([done, back]) _action_INFO = _stretchy_shower(ViewInterfaceInfo) _action_EDIT_WLAN = _stretchy_shower(NetworkConfigureWLANStretchy) _action_EDIT_IPV4 = _stretchy_shower(EditNetworkStretchy, 4) _action_EDIT_IPV6 = _stretchy_shower(EditNetworkStretchy, 6) _action_EDIT_BOND = _stretchy_shower(BondStretchy) _action_ADD_VLAN = _stretchy_shower(AddVlanStretchy) def _action_DELETE(self, device): self.controller.rm_virtual_interface(device) def _action(self, sender, action, device): action, meth = action log.debug("_action %s %s", action.name, device.name) meth(device) def _cells_for_device(self, dev): notes = [] if dev.is_bond_slave: notes.append( _("enslaved to {}").format(dev._net_info.bond['master'])) for v in 4, 6: if dev.configured_ip_addresses_for_version(v): notes.extend([ "{} (static)".format(a) for a in dev.configured_ip_addresses_for_version(v) ]) elif dev.dhcp_for_version(v): if v == 4: fam = AF_INET elif v == 6: fam = AF_INET6 fam_addresses = [] for a in dev._net_info.addresses.values(): log.debug("a %s", a.serialize()) if a.family == fam and a.source == 'dhcp': fam_addresses.append("{} (from dhcp)".format( a.address)) if fam_addresses: notes.extend(fam_addresses) else: notes.append( _("DHCPv{v} has supplied no addresses").format(v=v)) if notes: notes = ", ".join(notes) else: notes = '-' return (dev.name, dev.type, notes) def new_link(self, new_dev): for i, cur_dev in enumerate(self.cur_netdevs): if cur_dev.name > new_dev.name: netdev_i = i break else: netdev_i = len(self.cur_netdevs) new_rows = self._rows_for_device(new_dev, netdev_i) self.device_table.insert_rows(3 * netdev_i + 1, new_rows) def update_link(self, dev): row = self.dev_to_row[dev] for i, text in enumerate(self._cells_for_device(dev)): row.columns[2 * (i + 1)].set_text(text) def del_link(self, dev): log.debug("del_link %s", (dev in self.cur_netdevs)) if dev in self.cur_netdevs: netdev_i = self.cur_netdevs.index(dev) self.device_table.remove_rows(3 * netdev_i, 3 * (netdev_i + 1)) del self.cur_netdevs[netdev_i] if isinstance(self._w, StretchyOverlay): stretchy = self._w.stretchy if getattr(stretchy, 'device', None) is dev: self.remove_overlay() def _rows_for_device(self, dev, netdev_i=None): if netdev_i is None: netdev_i = len(self.cur_netdevs) rows = [] name, typ, addresses = self._cells_for_device(dev) actions = [] for action in NetDevAction: meth = getattr(self, '_action_' + action.name) opens_dialog = getattr(meth, 'opens_dialog', False) if dev.supports_action(action): actions.append( (_(action.value), True, (action, meth), opens_dialog)) menu = ActionMenu(actions) connect_signal(menu, 'action', self._action, dev) row = make_action_menu_row([ Text("["), Text(name), Text(typ), Text(addresses, wrap='clip'), menu, Text("]"), ], menu) self.dev_to_row[dev] = row.base_widget self.cur_netdevs[netdev_i:netdev_i] = [dev] rows.append(row) if dev.type == "vlan": info = _("VLAN {id} on interface {link}").format( **dev._configuration) elif dev.type == "bond": info = _("bond master for {}").format(', '.join( dev._net_info.bond['slaves'])) else: info = " / ".join([dev.hwaddr, dev.vendor, dev.model]) rows.append( Color.info_minor(TableRow([Text(""), (4, Text(info)), Text("")]))) rows.append(Color.info_minor(TableRow([(4, Text(""))]))) return rows def _build_model_inputs(self): netdevs = self.model.get_all_netdevs() masters = [] for master in netdevs: if not master._net_info.bond['is_master']: continue masters.append((_("Set master to %s") % master.name, True, { 'action': 'add_master', 'master': master }, False)) rows = [] rows.append( TableRow([ Color.info_minor(Text(header)) for header in ["", "NAME", "TYPE", "NOTES / ADDRESSES", ""] ])) for dev in netdevs: rows.extend(self._rows_for_device(dev)) return rows def _create_bond(self, sender): self.show_stretchy_overlay(BondStretchy(self)) def show_network_error(self, action, info=None): self.error_showing = True self.bottom.contents[0:0] = [ (Text(""), self.bottom.options()), (Color.info_error(self.error), self.bottom.options()), ] if action == 'stop-networkd': exc = info[0] self.error.set_text("Stopping systemd-networkd-failed: %r" % (exc.stderr, )) elif action == 'apply': self.error.set_text("Network configuration could not be applied; " "please verify your settings.") elif action == 'timeout': self.error.set_text("Network configuration timed out; " "please verify your settings.") elif action == 'down': self.error.set_text("Downing network interfaces failed.") elif action == 'canceled': self.error.set_text("Network configuration canceled.") elif action == 'add-vlan': self.error.set_text("Failed to add a VLAN tag.") elif action == 'rm-dev': self.error.set_text("Failed to delete a virtual interface.") else: self.error.set_text("An unexpected error has occurred; " "please verify your settings.") def done(self, result): if self.error_showing: self.bottom.contents[0:2] = [] self.controller.network_finish(self.model.render()) def cancel(self, button=None): self.controller.cancel()
class NetworkDeviceTable(WidgetWrap): def __init__(self, parent, dev_info): self.parent = parent self.dev_info = dev_info super().__init__(self._create()) def _create(self): # Create the widget for a nic. This consists of a Pile containing a # table, an info line and a blank line. The first row of the table is # the one that can be focused and has a menu for manipulating the nic, # the other rows summarize its address config. # [ name type notes ▸ ] \ # address info | <- table # more address info / # mac / vendor info / model info # <blank line> actions = [] for action in NetDevAction: meth = getattr(self.parent, '_action_' + action.name) opens_dialog = getattr(meth, 'opens_dialog', False) if action in self.dev_info.enabled_actions: actions.append( (action.str(), True, (action, meth), opens_dialog)) menu = ActionMenu(actions) connect_signal(menu, 'action', self.parent._action, self) trows = [ make_action_menu_row([ Text("["), Text(self.dev_info.name), Text(self.dev_info.type), Text(self._notes(), wrap='clip'), menu, Text("]"), ], menu) ] + self._address_rows() self.table = TablePile(trows, colspecs=self.parent.device_colspecs, spacing=2) self.table.bind(self.parent.heading_table) if self.dev_info.type == "vlan": info = _("VLAN {id} on interface {link}").format( id=self.dev_info.vlan.id, link=self.dev_info.vlan.link) elif self.dev_info.type == "bond": info = _("bond master for {interfaces}").format( interfaces=', '.join(self.dev_info.bond.interfaces)) else: info = " / ".join([ self.dev_info.hwaddr, self.dev_info.vendor, self.dev_info.model, ]) return Pile([ ('pack', self.table), ('pack', Color.info_minor(Text(" " + info))), ('pack', Text("")), ]) def _notes(self): notes = [] if self.dev_info.type == "wlan": config = self.dev_info.wlan.config if config.ssid is not None: notes.append(_("ssid: {ssid}".format(ssid=config.ssid))) else: notes.append(_("not connected")) if not self.dev_info.is_connected: notes.append(_("not connected")) if self.dev_info.bond_master: notes.append( _("enslaved to {device}").format( device=self.dev_info.bond_master)) if notes: notes = ", ".join(notes) else: notes = '-' return notes def _address_rows(self): address_info = [] for v, dhcp_status, static_config in ( (4, self.dev_info.dhcp4, self.dev_info.static4), (6, self.dev_info.dhcp6, self.dev_info.static6), ): if dhcp_status.enabled: label = Text("DHCPv{v}".format(v=v)) addrs = dhcp_status.addresses if addrs: address_info.extend([(label, Text(addr)) for addr in addrs]) elif dhcp_status.state == DHCPState.PENDING: s = Spinner(self.parent.controller.app.aio_loop, align='left') s.rate = 0.3 s.start() address_info.append((label, s)) elif dhcp_status.state == DHCPState.TIMED_OUT: address_info.append((label, Text(_("timed out")))) elif dhcp_status.state == DHCPState.RECONFIGURE: address_info.append((label, Text("-"))) elif static_config.addresses: address_info.append(( Text(_('static')), Text(', '.join(static_config.addresses)), )) if len(address_info) == 0 and not self.dev_info.is_used: reason = self.dev_info.disabled_reason if reason is None: reason = "" address_info.append((Text(_("disabled")), Text(reason))) rows = [] for label, value in address_info: rows.append(TableRow([Text(""), label, (2, value)])) return rows def update(self, dev_info): # Update the display of dev to represent the current state. # # The easiest way of doing this would be to just create a new table # widget for the device and replace the current one with it. But that # is jarring if the menu for the current device is open, so instead we # overwrite the contents of the first (menu) row of the table, and # replace all other rows of the with new content (which is OK as they # cannot be focused). self.dev_info = dev_info first_row = self.table.table_rows[0].base_widget first_row.cells[1][1].set_text(dev_info.name) first_row.cells[2][1].set_text(dev_info.type) first_row.cells[3][1].set_text(self._notes()) self.table.remove_rows(1, len(self.table.table_rows)) self.table.insert_rows(1, self._address_rows())