232 lines
9.3 KiB
Python
232 lines
9.3 KiB
Python
# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
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# Copyright 2013, Big Switch Networks, Inc.
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#
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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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from collections import OrderedDict
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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 pgettext_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 horizon import tables
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from horizon import tabs
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from horizon.utils import memoized
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from openstack_dashboard import api
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from openstack_dashboard.utils import filters
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from openstack_dashboard.dashboards.project.routers\
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import forms as project_forms
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from openstack_dashboard.dashboards.project.routers import tables as rtables
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from openstack_dashboard.dashboards.project.routers import tabs as rdtabs
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class IndexView(tables.DataTableView):
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table_class = rtables.RoutersTable
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page_title = _("Routers")
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FILTERS_MAPPING = {'admin_state_up': {_("up"): True, _("down"): False}}
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def _get_routers(self, search_opts=None):
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try:
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search_opts = self.get_filters(
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filters=search_opts, filters_map=self.FILTERS_MAPPING)
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tenant_id = self.request.user.tenant_id
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routers = api.neutron.router_list(self.request,
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tenant_id=tenant_id,
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**search_opts)
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except Exception:
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routers = []
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exceptions.handle(self.request,
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_('Unable to retrieve router list.'))
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ext_net_dict = self._list_external_networks()
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for r in routers:
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r.name = r.name_or_id
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self._set_external_network(r, ext_net_dict)
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return routers
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def get_data(self):
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routers = self._get_routers()
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return routers
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def _list_external_networks(self):
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try:
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search_opts = {'router:external': True}
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ext_nets = api.neutron.network_list(self.request,
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**search_opts)
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ext_net_dict = OrderedDict((n['id'], n.name_or_id)
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for n in ext_nets)
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except Exception as e:
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msg = _('Unable to retrieve a list of external networks "%s".') % e
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exceptions.handle(self.request, msg)
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ext_net_dict = {}
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return ext_net_dict
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def _set_external_network(self, router, ext_net_dict):
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gateway_info = router.external_gateway_info
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if gateway_info:
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ext_net_id = gateway_info['network_id']
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if ext_net_id in ext_net_dict:
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gateway_info['network'] = ext_net_dict[ext_net_id]
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else:
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msg_params = {'ext_net_id': ext_net_id, 'router_id': router.id}
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msg = _('External network "%(ext_net_id)s" expected but not '
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'found for router "%(router_id)s".') % msg_params
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messages.error(self.request, msg)
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# gateway_info['network'] is just the network name, so putting
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# in a smallish error message in the table is reasonable.
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# Translators: The usage is "<UUID of ext_net> (Not Found)"
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gateway_info['network'] = pgettext_lazy(
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'External network not found',
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u'%s (Not Found)') % ext_net_id
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class DetailView(tabs.TabbedTableView):
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tab_group_class = rdtabs.RouterDetailTabs
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template_name = 'horizon/common/_detail.html'
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failure_url = reverse_lazy('horizon:project:routers:index')
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network_url = 'horizon:project:networks:detail'
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page_title = "{{ router.name|default:router.id }}"
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@memoized.memoized_method
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def _get_data(self):
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try:
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router_id = self.kwargs['router_id']
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router = api.neutron.router_get(self.request, router_id)
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router.set_id_as_name_if_empty(length=0)
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except Exception:
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msg = _('Unable to retrieve details for router "%s".') \
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% router_id
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exceptions.handle(self.request, msg, redirect=self.failure_url)
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if router.external_gateway_info:
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ext_net_id = router.external_gateway_info['network_id']
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router.external_gateway_info['network_url'] = reverse(
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self.network_url, args=[ext_net_id])
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try:
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ext_net = api.neutron.network_get(self.request, ext_net_id,
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expand_subnet=False)
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ext_net.set_id_as_name_if_empty(length=0)
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router.external_gateway_info['network'] = ext_net.name
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except Exception:
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msg = _('Unable to retrieve an external network "%s".') \
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% ext_net_id
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exceptions.handle(self.request, msg)
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router.external_gateway_info['network'] = ext_net_id
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return router
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@memoized.memoized_method
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def _get_ports(self):
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try:
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ports = api.neutron.port_list(self.request,
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device_id=self.kwargs['router_id'])
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except Exception:
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ports = []
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msg = _('Unable to retrieve port details.')
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exceptions.handle(self.request, msg)
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return ports
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def get_context_data(self, **kwargs):
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context = super(DetailView, self).get_context_data(**kwargs)
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router = self._get_data()
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table = rtables.RoutersTable(self.request)
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context["router"] = router
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context["url"] = self.failure_url
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context["actions"] = table.render_row_actions(router)
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context['dvr_supported'] = api.neutron.get_feature_permission(
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self.request, "dvr", "get")
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context['ha_supported'] = api.neutron.get_feature_permission(
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self.request, "l3-ha", "get")
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choices = rtables.STATUS_DISPLAY_CHOICES
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router.status_label = filters.get_display_label(choices, router.status)
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choices = rtables.ADMIN_STATE_DISPLAY_CHOICES
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router.admin_state_label = (
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filters.get_display_label(choices, router.admin_state))
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return context
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def get_tabs(self, request, *args, **kwargs):
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router = self._get_data()
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ports = self._get_ports()
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return self.tab_group_class(request, router=router,
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ports=ports, **kwargs)
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class CreateView(forms.ModalFormView):
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form_class = project_forms.CreateForm
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form_id = "create_router_form"
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template_name = 'project/routers/create.html'
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success_url = reverse_lazy("horizon:project:routers:index")
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page_title = _("Create Router")
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submit_label = _("Create Router")
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submit_url = reverse_lazy("horizon:project:routers:create")
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def get_context_data(self, **kwargs):
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context = super(CreateView, self).get_context_data(**kwargs)
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context['enable_snat_allowed'] = self.initial['enable_snat_allowed']
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return context
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def get_initial(self):
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enable_snat_allowed = api.neutron.get_feature_permission(
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self.request, 'ext-gw-mode', 'create_router_enable_snat')
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self.initial['enable_snat_allowed'] = enable_snat_allowed
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return super(CreateView, self).get_initial()
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class UpdateView(forms.ModalFormView):
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form_class = project_forms.UpdateForm
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form_id = "update_router_form"
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template_name = 'project/routers/update.html'
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success_url = reverse_lazy("horizon:project:routers:index")
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page_title = _("Edit Router")
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submit_label = _("Save Changes")
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submit_url = "horizon:project:routers:update"
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def get_context_data(self, **kwargs):
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context = super(UpdateView, self).get_context_data(**kwargs)
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args = (self.kwargs['router_id'],)
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context["router_id"] = self.kwargs['router_id']
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context['submit_url'] = reverse(self.submit_url, args=args)
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return context
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def _get_object(self, *args, **kwargs):
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router_id = self.kwargs['router_id']
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try:
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return api.neutron.router_get(self.request, router_id)
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except Exception:
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redirect = self.success_url
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msg = _('Unable to retrieve router details.')
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exceptions.handle(self.request, msg, redirect=redirect)
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def get_initial(self):
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router = self._get_object()
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initial = {'router_id': router['id'],
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'tenant_id': router['tenant_id'],
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'name': router['name'],
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'admin_state': router['admin_state_up']}
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if hasattr(router, 'distributed'):
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initial['mode'] = ('distributed' if router.distributed
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else 'centralized')
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if hasattr(router, 'ha'):
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initial['ha'] = router.ha
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return initial
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