# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
#
# 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.
import logging
from django.core.urlresolvers import reverse
from django.template import defaultfilters as filters
from django.utils.translation import pgettext_lazy
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from neutronclient.common import exceptions as q_ext
from horizon import exceptions
from horizon import messages
from horizon import tables
from openstack_dashboard import api
from openstack_dashboard import policy
from openstack_dashboard.usage import quotas
LOG = logging.getLogger(__name__)
[docs]class DeleteRouter(policy.PolicyTargetMixin, tables.DeleteAction):
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Router",
u"Delete Routers",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Deleted Router",
u"Deleted Routers",
count
)
redirect_url = "horizon:project:routers:index"
policy_rules = (("network", "delete_router"),)
[docs] def delete(self, request, obj_id):
try:
# detach all interfaces before attempting to delete the router
search_opts = {'device_owner': 'network:router_interface',
'device_id': obj_id}
ports = api.neutron.port_list(request, **search_opts)
for port in ports:
api.neutron.router_remove_interface(request, obj_id,
port_id=port.id)
api.neutron.router_delete(request, obj_id)
except q_ext.NeutronClientException as e:
msg = _('Unable to delete router "%s"') % e
LOG.info(msg)
messages.error(request, msg)
redirect = reverse(self.redirect_url)
raise exceptions.Http302(redirect, message=msg)
except Exception:
obj = self.table.get_object_by_id(obj_id)
name = self.table.get_object_display(obj)
msg = _('Unable to delete router "%s"') % name
LOG.info(msg)
exceptions.handle(request, msg)
[docs] def allowed(self, request, router=None):
return True
[docs]class CreateRouter(tables.LinkAction):
name = "create"
verbose_name = _("Create Router")
url = "horizon:project:routers:create"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("network", "create_router"),)
[docs] def allowed(self, request, datum=None):
usages = quotas.tenant_quota_usages(request)
# when Settings.OPENSTACK_NEUTRON_NETWORK['enable_quotas'] = False
# usages['routers'] is empty
if usages.get('routers', {}).get('available', 1) <= 0:
if "disabled" not in self.classes:
self.classes = [c for c in self.classes] + ["disabled"]
self.verbose_name = _("Create Router (Quota exceeded)")
else:
self.verbose_name = _("Create Router")
self.classes = [c for c in self.classes if c != "disabled"]
return True
[docs]class EditRouter(policy.PolicyTargetMixin, tables.LinkAction):
name = "update"
verbose_name = _("Edit Router")
url = "horizon:project:routers:update"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("network", "update_router"),)
[docs]class SetGateway(policy.PolicyTargetMixin, tables.LinkAction):
name = "setgateway"
verbose_name = _("Set Gateway")
url = "horizon:project:routers:setgateway"
classes = ("ajax-modal",)
icon = "camera"
policy_rules = (("network", "update_router"),)
[docs] def allowed(self, request, datum=None):
if datum.external_gateway_info:
return False
return True
[docs]class ClearGateway(policy.PolicyTargetMixin, tables.BatchAction):
help_text = _("You may reset the gateway later by using the"
" set gateway action, but the gateway IP may change.")
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Clear Gateway",
u"Clear Gateways",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Cleared Gateway",
u"Cleared Gateways",
count
)
name = "cleargateway"
classes = ('btn-danger', 'btn-cleargateway')
redirect_url = "horizon:project:routers:index"
policy_rules = (("network", "update_router"),)
[docs] def action(self, request, obj_id):
obj = self.table.get_object_by_id(obj_id)
name = self.table.get_object_display(obj)
try:
api.neutron.router_remove_gateway(request, obj_id)
except Exception as e:
msg = (_('Unable to clear gateway for router '
'"%(name)s": "%(msg)s"')
% {"name": name, "msg": e})
LOG.info(msg)
redirect = reverse(self.redirect_url)
exceptions.handle(request, msg, redirect=redirect)
[docs] def get_success_url(self, request):
return reverse(self.redirect_url)
[docs] def allowed(self, request, datum=None):
if datum.external_gateway_info:
return True
return False
[docs]class UpdateRow(tables.Row):
ajax = True
[docs] def get_data(self, request, router_id):
router = api.neutron.router_get(request, router_id)
return router
[docs]def get_external_network(router):
if router.external_gateway_info:
return router.external_gateway_info['network']
else:
return _("-")
[docs]class RoutersFilterAction(tables.FilterAction):
[docs] def filter(self, table, routers, filter_string):
"""Naive case-insensitive search."""
query = filter_string.lower()
return [router for router in routers
if query in router.name.lower()]
STATUS_DISPLAY_CHOICES = (
("active", pgettext_lazy("current status of router", u"Active")),
("error", pgettext_lazy("current status of router", u"Error")),
)
ADMIN_STATE_DISPLAY_CHOICES = (
("up", pgettext_lazy("Admin state of a Router", u"UP")),
("down", pgettext_lazy("Admin state of a Router", u"DOWN")),
)
[docs]class RoutersTable(tables.DataTable):
name = tables.Column("name",
verbose_name=_("Name"),
link="horizon:project:routers:detail")
status = tables.Column("status",
verbose_name=_("Status"),
status=True,
display_choices=STATUS_DISPLAY_CHOICES)
distributed = tables.Column("distributed",
filters=(filters.yesno, filters.capfirst),
verbose_name=_("Distributed"))
ha = tables.Column("ha",
filters=(filters.yesno, filters.capfirst),
# Translators: High Availability mode of Neutron router
verbose_name=_("HA mode"))
ext_net = tables.Column(get_external_network,
verbose_name=_("External Network"))
admin_state = tables.Column("admin_state",
verbose_name=_("Admin State"),
display_choices=ADMIN_STATE_DISPLAY_CHOICES)
def __init__(self, request, data=None, needs_form_wrapper=None, **kwargs):
super(RoutersTable, self).__init__(
request,
data=data,
needs_form_wrapper=needs_form_wrapper,
**kwargs)
if not api.neutron.get_feature_permission(request, "dvr", "get"):
del self.columns["distributed"]
if not api.neutron.get_feature_permission(request, "l3-ha", "get"):
del self.columns["ha"]
[docs] def get_object_display(self, obj):
return obj.name