horizon/openstack_dashboard/dashboards/project/routers/forms.py
Akihiro Motoki cd7c1b5110 Address RemovedInDjango40Warning (2)
django.utils.translation.ugettext(), ugettext_lazy(), ugettext_noop(),
ungettext(), and ungettext_lazy() are deprecated in favor of the
functions that they’re aliases for: django.utils.translation.gettext(),
gettext_lazy(), gettext_noop(), ngettext(), and ngettext_lazy().

https://docs.djangoproject.com/en/4.0/releases/3.0/#id3

Change-Id: I77878f84e9d10cf6a136dada81eabf4e18676250
2022-02-04 16:22:07 +09:00

216 lines
9.3 KiB
Python

# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
# All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Views for managing Neutron Routers.
"""
import logging
from django.urls import reverse
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
LOG = logging.getLogger(__name__)
class CreateForm(forms.SelfHandlingForm):
name = forms.CharField(max_length=255, label=_("Router Name"),
required=False)
admin_state_up = forms.BooleanField(
label=_("Enable Admin State"),
initial=True,
required=False,
help_text=_("If checked, the router will be enabled."))
external_network = forms.ThemableChoiceField(label=_("External Network"),
required=False)
enable_snat = forms.BooleanField(label=_("Enable SNAT"),
initial=True,
required=False)
mode = forms.ThemableChoiceField(label=_("Router Type"))
ha = forms.ThemableChoiceField(label=_("High Availability Mode"))
az_hints = forms.MultipleChoiceField(
label=_("Availability Zone Hints"),
required=False,
help_text=_("Availability Zones where the router may be scheduled. "
"Leaving this unset is equivalent to selecting all "
"Availability Zones"))
failure_url = 'horizon:project:routers:index'
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
self.dvr_allowed = api.neutron.get_feature_permission(self.request,
"dvr", "create")
if self.dvr_allowed:
mode_choices = [('server_default', _('Use Server Default')),
('centralized', _('Centralized')),
('distributed', _('Distributed'))]
self.fields['mode'].choices = mode_choices
else:
del self.fields['mode']
self.ha_allowed = api.neutron.get_feature_permission(self.request,
"l3-ha", "create")
if self.ha_allowed:
ha_choices = [('server_default', _('Use Server Default')),
('enabled', _('Enable HA mode')),
('disabled', _('Disable HA mode'))]
self.fields['ha'].choices = ha_choices
else:
del self.fields['ha']
networks = self._get_network_list(request)
if networks:
self.fields['external_network'].choices = networks
else:
del self.fields['external_network']
self.enable_snat_allowed = self.initial['enable_snat_allowed']
if (not networks or not self.enable_snat_allowed):
del self.fields['enable_snat']
try:
az_supported = api.neutron.is_extension_supported(
self.request, 'router_availability_zone')
if az_supported:
zones = api.neutron.list_availability_zones(
self.request, 'router', 'available')
self.fields['az_hints'].choices = [(zone['name'], zone['name'])
for zone in zones]
else:
del self.fields['az_hints']
except Exception:
msg = _("Failed to get availability zone list.")
exceptions.handle(self.request, msg)
del self.fields['az_hints']
def _get_network_list(self, request):
search_opts = {'router:external': True}
try:
networks = api.neutron.network_list(request, **search_opts)
except Exception as e:
LOG.info('Failed to get network list: %s', e)
msg = _('Failed to get network list.')
messages.warning(request, msg)
networks = []
choices = [(network.id, network.name or network.id)
for network in networks]
if choices:
choices.insert(0, ("", _("Select network")))
return choices
def handle(self, request, data):
try:
params = {'name': data['name'],
'admin_state_up': data['admin_state_up']}
# NOTE: admin form allows to specify tenant_id.
# We have the logic here to simplify the logic.
if 'tenant_id' in data and data['tenant_id']:
params['tenant_id'] = data['tenant_id']
if 'external_network' in data and data['external_network']:
params['external_gateway_info'] = {'network_id':
data['external_network']}
if self.enable_snat_allowed:
params['external_gateway_info']['enable_snat'] = \
data['enable_snat']
if 'az_hints' in data and data['az_hints']:
params['availability_zone_hints'] = data['az_hints']
if (self.dvr_allowed and data['mode'] != 'server_default'):
params['distributed'] = (data['mode'] == 'distributed')
if (self.ha_allowed and data['ha'] != 'server_default'):
params['ha'] = (data['ha'] == 'enabled')
router = api.neutron.router_create(request, **params)
message = (_('Router %s was successfully created.') %
router.name_or_id)
messages.success(request, message)
return router
except Exception as exc:
LOG.info('Failed to create router: %s', exc)
if exc.status_code == 409:
msg = _('Quota exceeded for resource router.')
else:
if data["name"]:
msg = _('Failed to create router "%s".') % data['name']
else:
msg = _('Failed to create router.')
redirect = reverse(self.failure_url)
exceptions.handle(request, msg, redirect=redirect)
return False
class UpdateForm(forms.SelfHandlingForm):
name = forms.CharField(label=_("Name"), required=False)
admin_state = forms.BooleanField(
label=_("Enable Admin State"),
required=False,
help_text=_("If checked, the router will be enabled."))
mode = forms.ThemableChoiceField(label=_("Router Type"))
ha = forms.BooleanField(label=_("High Availability Mode"), required=False)
redirect_url = reverse_lazy('horizon:project:routers:index')
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
self.dvr_allowed = api.neutron.get_feature_permission(self.request,
"dvr", "update")
if not self.dvr_allowed:
del self.fields['mode']
elif self.initial.get('mode') == 'distributed':
# Neutron supports only changing from centralized to
# distributed now.
mode_choices = [('distributed', _('Distributed'))]
self.fields['mode'].widget = forms.TextInput(attrs={'readonly':
'readonly'})
self.fields['mode'].choices = mode_choices
else:
mode_choices = [('centralized', _('Centralized')),
('distributed', _('Distributed'))]
self.fields['mode'].choices = mode_choices
# TODO(amotoki): Due to Neutron Bug 1378525, Neutron disables
# PUT operation. It will be fixed in Kilo cycle.
# self.ha_allowed = api.neutron.get_feature_permission(
# self.request, "l3-ha", "update")
self.ha_allowed = False
if not self.ha_allowed:
del self.fields['ha']
def handle(self, request, data):
try:
params = {'admin_state_up': data['admin_state'],
'name': data['name']}
if self.dvr_allowed:
params['distributed'] = (data['mode'] == 'distributed')
if self.ha_allowed:
params['ha'] = data['ha']
router = api.neutron.router_update(request,
self.initial['router_id'],
**params)
msg = _('Router %s was successfully updated.') % router.name_or_id
messages.success(request, msg)
return router
except Exception as exc:
LOG.info('Failed to update router %(id)s: %(exc)s',
{'id': self.initial['router_id'], 'exc': exc})
name_or_id = data['name'] or self.initial['router_id']
msg = _('Failed to update router %s') % name_or_id
exceptions.handle(request, msg, redirect=self.redirect_url)