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views.py
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views.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, 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.
"""
Views for managing Nova instances.
"""
import logging
from django import shortcuts
from django.utils.translation import ugettext as _
from horizon import api
from horizon import exceptions
from horizon import forms
from horizon import tables
from .forms import CreateGroup, AddRule
from .tables import RulesTable
LOG = logging.getLogger(__name__)
class EditRulesView(tables.DataTableView):
table_class = RulesTable
template_name = 'nova/access_and_security/security_groups/edit_rules.html'
def get_data(self):
security_group_id = int(self.kwargs['security_group_id'])
try:
self.object = api.security_group_get(self.request,
security_group_id)
rules = [api.nova.SecurityGroupRule(rule) for
rule in self.object.rules]
except:
self.object = None
rules = []
exceptions.handle(self.request,
_('Unable to retrieve security group.'))
return rules
def handle_form(self):
try:
groups = api.security_group_list(self.request)
except:
groups = []
exceptions.handle(self.request,
_("Unable to retrieve security groups."))
security_groups = [(group.id, group.name) for group in groups]
initial = {'security_group_id': self.kwargs['security_group_id'],
'security_group_list': security_groups}
return AddRule.maybe_handle(self.request, initial=initial)
def get(self, request, *args, **kwargs):
# Form handling
form, handled = self.handle_form()
if handled:
return handled
# Table action handling
handled = self.construct_tables()
if handled:
return handled
if not self.object:
return shortcuts.redirect("horizon:nova:access_and_security:index")
context = self.get_context_data(**kwargs)
context['form'] = form
context['security_group'] = self.object
if request.is_ajax():
context['hide'] = True
self.template_name = ('nova/access_and_security/security_groups'
'/_edit_rules.html')
return self.render_to_response(context)
class CreateView(forms.ModalFormView):
form_class = CreateGroup
template_name = 'nova/access_and_security/security_groups/create.html'
def get_initial(self):
return {"tenant_id": self.request.user.tenant_id}