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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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.
from datetime import datetime
from datetime import timedelta
import json
import logging
from django.core.serializers.json import DjangoJSONEncoder
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.http import HttpResponse
from django.utils.translation import ugettext_lazy as _
from django.views.generic import View
from horizon import exceptions
from horizon import forms
from horizon import tabs
from openstack_dashboard import api
from .forms import CreateFlavor, EditFlavor
from .tabs import FlavorDetailTabs
LOG = logging.getLogger(__name__)
class CreateView(forms.ModalFormView):
form_class = CreateFlavor
template_name = 'infrastructure/resource_management/flavors/create.html'
success_url = reverse_lazy(
'horizon:infrastructure:resource_management:index')
class EditView(forms.ModalFormView):
form_class = EditFlavor
template_name = 'infrastructure/resource_management/flavors/edit.html'
form_url = 'horizon:infrastructure:resource_management:flavors:edit'
success_url = reverse_lazy(
'horizon:infrastructure:resource_management:index')
def get_context_data(self, **kwargs):
context = super(EditView, self).get_context_data(**kwargs)
context['flavor_id'] = self.kwargs['flavor_id']
context['form_url'] = self.form_url
context['success_url'] = self.get_success_url()
return context
def get_initial(self):
try:
flavor = api.tuskar.FlavorTemplate.get(
self.request, self.kwargs['flavor_id'])
except:
exceptions.handle(self.request,
_("Unable to retrieve flavor data."))
return {'flavor_id': flavor.id,
'name': flavor.name,
'cpu': flavor.cpu.value,
'memory': flavor.memory.value,
'storage': flavor.storage.value,
'ephemeral_disk': flavor.ephemeral_disk.value,
'swap_disk': flavor.swap_disk.value}
class DetailEditView(EditView):
form_url = 'horizon:infrastructure:resource_management:flavors:detail_edit'
success_url = 'horizon:infrastructure:resource_management:flavors:detail'
def get_success_url(self):
return reverse(self.success_url,
args=(self.kwargs['flavor_id'],))
class DetailView(tabs.TabView):
tab_group_class = FlavorDetailTabs
template_name = 'infrastructure/resource_management/flavors/detail.html'
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context["flavor"] = self.get_data()
return context
def get_data(self):
if not hasattr(self, "_flavor"):
try:
flavor_id = self.kwargs['flavor_id']
flavor = api.tuskar.FlavorTemplate.get(self.request, flavor_id)
except:
redirect = reverse('horizon:infrastructure:'
'resource_management:index')
exceptions.handle(self.request,
_('Unable to retrieve details for '
'flavor "%s".')
% flavor_id,
redirect=redirect)
self._flavor = flavor
return self._flavor
def get_tabs(self, request, *args, **kwargs):
flavor = self.get_data()
return self.tab_group_class(request, flavor=flavor,
**kwargs)
class ActiveInstancesDataView(View):
def get(self, request, *args, **kwargs):
try:
flavor = api.tuskar.FlavorTemplate.get(
self.request, self.kwargs['flavor_id'])
values = flavor.vms_over_time(
datetime.now() - timedelta(days=7), datetime.now())
return HttpResponse(json.dumps(values, cls=DjangoJSONEncoder),
mimetype='application/json')
except:
exceptions.handle(self.request,
_("Unable to retrieve flavor data."))
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