Viewing file:  network_bond_interfaces.py (4.97 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
# Copyright 2015 Canonical, Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from urwid import Text, CheckBox
from subiquitycore.view import BaseView
from subiquitycore.ui.buttons import cancel_btn, done_btn
from subiquitycore.ui.container import Columns, ListBox, Pile
from subiquitycore.ui.interactive import Selector
from subiquitycore.ui.utils import Color, Padding
import logging
log = logging.getLogger('subiquitycore.ui.bond_interfaces')
class NetworkBondInterfacesView(BaseView):
def __init__(self, model, controller):
self.model = model
self.controller = controller
self.bond_iface = None
self.bond_mode = Selector(self.model.bonding_modes.values())
self.selected_ifaces = []
body = [
Padding.center_50(self._build_iface_selection()),
Padding.line_break(""),
Padding.center_50(self._build_bondmode_configuration()),
Padding.line_break(""),
Padding.fixed_10(self._build_buttons())
]
super().__init__(ListBox(body))
def _build_iface_selection(self):
log.debug('bond: _build_iface_selection')
items = [
Text("INTERFACE SELECTION")
]
all_iface_names = self.model.get_all_interface_names()
avail_ifnames = [iface for iface in all_iface_names
if not self.model.iface_is_bonded(iface)]
log.debug('available for bonding: {}'.format(avail_ifnames))
if len(avail_ifnames) == 0:
log.debug('Nothing available...')
return Pile([Color.info_minor(Text("No available interfaces."))])
for ifname in avail_ifnames:
device = self.model.get_interface(ifname)
device_speed = self.model.iface_get_speed(ifname)
iface_string = "{} {}, {}".format(device.ifname,
device.ip4,
device_speed)
log.debug('bond: iface_string={}'.format(iface_string))
self.selected_ifaces.append(CheckBox(iface_string))
items += self.selected_ifaces
log.debug('iface_select: items: {}'.format(items))
return Pile(items)
def _build_bondmode_configuration(self):
log.debug('bond: _build_bondmode_configuration')
items = [
Text("BOND CONFIGURATION"),
Columns(
[
("weight", 0.2, Text("Bonding Mode", align="right")),
("weight", 0.3, Color.string_input(self.bond_mode))
],
dividechars=4
),
]
log.debug('bond_mode: items: {}'.format(items))
return Pile(items)
def _build_buttons(self):
log.debug('bond: _build_buttons')
cancel = cancel_btn(on_press=self.cancel)
done = done_btn(on_press=self.done)
items = [
Color.button(done),
Color.button(cancel)
]
log.debug('buttons: items: {}'.format(items))
return Pile(items)
def done(self, result):
selected_labels = [x.get_label() for x in self.selected_ifaces
if x.state]
if len(selected_labels) < 2:
log.debug('Not enough interfaces for bonding')
# FIXME: raise error message?
return
# unpack label into iface name
bond_interfaces = []
for label in selected_labels:
bond_interfaces.append(label.split(' ')[0])
result = {
'bond-interfaces': bond_interfaces,
'bond-mode': self.bond_mode.value,
}
log.debug('bonding_done: result = {}'.format(result))
# generate bond name based on number of bonds created
existing_bonds = self.model.get_bond_masters()
bond_name = "bond{}".format(int(len(existing_bonds)))
try:
self.model.add_bond(ifname=bond_name,
interfaces=result['bond-interfaces'],
params={'bond-mode': result['bond-mode']},
subnets=[])
except ValueError:
log.exception('Failed to add bond: {}'.format(result))
return
log.debug('bond: successful bond creation')
self.controller.prev_view()
def cancel(self, button):
log.debug('bond: button_cancel')
self.controller.prev_view()
|