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