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# 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.template import defaultfilters as filters
from django.urls import reverse
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 neutron_exceptions
from horizon import exceptions
from horizon import tables
from horizon.tables import actions
from openstack_dashboard import api
from openstack_dashboard import policy
from openstack_dashboard.usage import quotas
LOG = logging.getLogger(__name__)
class DeleteRouter(policy.PolicyTargetMixin, tables.DeleteAction):
@staticmethod
def action_present(count):
return ungettext_lazy(
u"Delete Router",
u"Delete Routers",
count
)
@staticmethod
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"),)
@actions.handle_exception_with_detail_message(
# normal_log_message
'Failed to delete router %(id)s: %(exc)s',
# target_exception
neutron_exceptions.NeutronClientException,
# target_log_message
'Unable to delete router %(id)s: %(exc)s',
# target_user_message
_('Unable to delete router %(name)s: %(exc)s'),
# logger_name
__name__)
def delete(self, request, obj_id):
# 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)
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"),)
def allowed(self, request, datum=None):
usages = quotas.tenant_quota_usages(request, targets=('router', ))
# when Settings.OPENSTACK_NEUTRON_NETWORK['enable_quotas'] = False
# usages['router'] is empty
if usages.get('router', {}).get('available', 1) <= 0:
if "disabled" not in self.classes:
self.classes = list(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
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"),)
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"),)
def allowed(self, request, datum=None):
if datum.external_gateway_info:
return False
return True
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
def action_present(count):
return ungettext_lazy(
u"Clear Gateway",
u"Clear Gateways",
count
)
@staticmethod
def action_past(count):
return ungettext_lazy(
u"Cleared Gateway",
u"Cleared Gateways",
count
)
name = "clear"
classes = ('btn-cleargateway',)
redirect_url = "horizon:project:routers:index"
policy_rules = (("network", "update_router"),)
action_type = "danger"
@actions.handle_exception_with_detail_message(
# normal_log_message
'Unable to clear gateway for router %(id)s: %(exc)s',
# target_exception
neutron_exceptions.Conflict,
# target_log_message
'Unable to clear gateway for router %(id)s: %(exc)s',
# target_user_message
_('Unable to clear gateway for router %(name)s. '
'Most possible reason is because the gateway is required '
'by one or more floating IPs'),
# logger_name
__name__)
def action(self, request, obj_id):
api.neutron.router_remove_gateway(request, obj_id)
def get_success_url(self, request):
return reverse(self.redirect_url)
def allowed(self, request, datum=None):
if datum.external_gateway_info:
return True
return False
class UpdateRow(tables.Row):
ajax = True
def get_data(self, request, router_id):
router = api.neutron.router_get(request, router_id)
return router
def get_external_network(router):
if router.external_gateway_info:
return router.external_gateway_info['network']
return _("-")
def get_availability_zones(router):
if 'availability_zones' in router and router.availability_zones:
return ', '.join(router.availability_zones)
return _("-")
class RoutersFilterAction(tables.FilterAction):
name = 'filter_project_routers'
filter_type = 'server'
filter_choices = (('name', _("Router Name ="), True),
('status', _("Status ="), True),
('admin_state_up', _("Admin State ="), True,
_("e.g. UP / DOWN")))
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")),
)
class RoutersTable(tables.DataTable):
name = tables.WrappingColumn("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)
availability_zones = tables.Column(get_availability_zones,
verbose_name=_("Availability Zones"))
def __init__(self, request, data=None, needs_form_wrapper=None, **kwargs):
super().__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"]
try:
if not api.neutron.is_extension_supported(
request, "router_availability_zone"):
del self.columns["availability_zones"]
except Exception:
msg = _("Unable to check if router availability zone extension "
"is supported")
exceptions.handle(self.request, msg)
del self.columns['availability_zones']
def get_object_display(self, obj):
return obj.name
class Meta(object):
name = "routers"
verbose_name = _("Routers")
status_columns = ["status"]
row_class = UpdateRow
table_actions = (CreateRouter, DeleteRouter,
RoutersFilterAction)
row_actions = (SetGateway, ClearGateway, EditRouter, DeleteRouter)
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