horizon/horizon/dashboards/nova/instances_and_volumes/views.py

75 lines
2.6 KiB
Python

# 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.
# Copyright 2012 OpenStack LLC
#
# 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 Instances and Volumes.
"""
import logging
from django.contrib import messages
from django.utils.translation import ugettext as _
from django.utils.datastructures import SortedDict
from novaclient import exceptions as novaclient_exceptions
from horizon import api
from horizon import exceptions
from horizon import tables
from .instances.tables import InstancesTable
from .volumes.tables import VolumesTable
LOG = logging.getLogger(__name__)
class IndexView(tables.MultiTableView):
table_classes = (InstancesTable, VolumesTable)
template_name = 'nova/instances_and_volumes/index.html'
def get_instances_data(self):
# Gather our instances
try:
instances = api.server_list(self.request)
except:
instances = []
exceptions.handle(self.request, _('Unable to retrieve instances.'))
# Gather our flavors and correlate our instances to them
if instances:
try:
flavors = api.flavor_list(self.request)
full_flavors = SortedDict([(str(flavor.id), flavor) for \
flavor in flavors])
for instance in instances:
instance.full_flavor = full_flavors[instance.flavor["id"]]
except:
msg = _('Unable to retrieve instance size information.')
exceptions.handle(self.request, msg)
return instances
def get_volumes_data(self):
# Gather our volumes
try:
volumes = api.volume_list(self.request)
except novaclient_exceptions.ClientException, e:
volumes = []
LOG.exception("ClientException in volume index")
messages.error(self.request, _('Unable to fetch volumes: %s') % e)
return volumes