Source code for openstack_dashboard.dashboards.admin.aggregates.views
# 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 django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon import workflows
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.aggregates \
import constants
from openstack_dashboard.dashboards.admin.aggregates \
import forms as aggregate_forms
from openstack_dashboard.dashboards.admin.aggregates \
import tables as project_tables
from openstack_dashboard.dashboards.admin.aggregates \
import workflows as aggregate_workflows
INDEX_URL = constants.AGGREGATES_INDEX_URL
[docs]class IndexView(tables.MultiTableView):
table_classes = (project_tables.HostAggregatesTable,
project_tables.AvailabilityZonesTable)
template_name = constants.AGGREGATES_TEMPLATE_NAME
page_title = _("Host Aggregates")
[docs] def get_host_aggregates_data(self):
request = self.request
aggregates = []
try:
aggregates = api.nova.aggregate_details_list(self.request)
except Exception:
exceptions.handle(request,
_('Unable to retrieve host aggregates list.'))
aggregates.sort(key=lambda aggregate: aggregate.name.lower())
return aggregates
[docs] def get_availability_zones_data(self):
request = self.request
availability_zones = []
try:
availability_zones = \
api.nova.availability_zone_list(self.request, detailed=True)
except Exception:
exceptions.handle(request,
_('Unable to retrieve availability zone list.'))
availability_zones.sort(key=lambda az: az.zoneName.lower())
return availability_zones
[docs]class CreateView(workflows.WorkflowView):
workflow_class = aggregate_workflows.CreateAggregateWorkflow
template_name = constants.AGGREGATES_CREATE_VIEW_TEMPLATE
page_title = _("Create Host Aggregate")
[docs]class UpdateView(forms.ModalFormView):
template_name = constants.AGGREGATES_UPDATE_VIEW_TEMPLATE
form_class = aggregate_forms.UpdateAggregateForm
success_url = reverse_lazy(constants.AGGREGATES_INDEX_URL)
page_title = _("Edit Host Aggregate")
[docs] def get_initial(self):
aggregate = self.get_object()
return {'id': self.kwargs["id"],
'name': aggregate.name,
'availability_zone': aggregate.availability_zone}
[docs] def get_context_data(self, **kwargs):
context = super(UpdateView, self).get_context_data(**kwargs)
context['id'] = self.kwargs['id']
return context
[docs] def get_object(self):
if not hasattr(self, "_object"):
aggregate_id = self.kwargs['id']
try:
self._object = \
api.nova.aggregate_get(self.request, aggregate_id)
except Exception:
msg = _('Unable to retrieve the aggregate to be updated')
exceptions.handle(self.request, msg)
return self._object
[docs]class ManageHostsView(workflows.WorkflowView):
template_name = constants.AGGREGATES_MANAGE_HOSTS_TEMPLATE
workflow_class = aggregate_workflows.ManageAggregateHostsWorkflow
success_url = reverse_lazy(constants.AGGREGATES_INDEX_URL)
page_title = _("Manage Hosts Aggregate")
[docs] def get_initial(self):
return {'id': self.kwargs["id"]}
[docs] def get_context_data(self, **kwargs):
context = super(ManageHostsView, self).get_context_data(**kwargs)
context['id'] = self.kwargs['id']
return context