Source code for openstack_dashboard.dashboards.project.databases.views

# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2013 Rackspace Hosting
#
#    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 database instances.
"""
import logging

from django.core.urlresolvers import reverse
from django.utils.datastructures import SortedDict
from django.utils.translation import ugettext_lazy as _

from horizon import exceptions
from horizon import tables as horizon_tables
from horizon import tabs as horizon_tabs
from horizon.utils import memoized
from horizon import workflows as horizon_workflows

from openstack_dashboard import api
from openstack_dashboard.dashboards.project.databases import tables
from openstack_dashboard.dashboards.project.databases import tabs
from openstack_dashboard.dashboards.project.databases import workflows


LOG = logging.getLogger(__name__)


[docs]def get_host(instance): if hasattr(instance, "hostname"): return instance.hostname elif hasattr(instance, "ip") and instance.ip: return instance.ip[0] return _("Not Assigned")
[docs]class IndexView(horizon_tables.DataTableView): table_class = tables.InstancesTable template_name = 'project/databases/index.html'
[docs] def has_more_data(self, table): return self._more
@memoized.memoized_method
[docs] def get_flavors(self): try: flavors = api.trove.flavor_list(self.request) except Exception: flavors = [] msg = _('Unable to retrieve database size information.') exceptions.handle(self.request, msg) return SortedDict((unicode(flavor.id), flavor) for flavor in flavors)
def _extra_data(self, instance): flavor = self.get_flavors().get(instance.flavor["id"]) if flavor is not None: instance.full_flavor = flavor instance.host = get_host(instance) return instance
[docs] def get_data(self): marker = self.request.GET.get( tables.InstancesTable._meta.pagination_param) # Gather our instances try: instances = api.trove.instance_list(self.request, marker=marker) self._more = instances.next or False except Exception: self._more = False instances = [] msg = _('Unable to retrieve database instances.') exceptions.handle(self.request, msg) map(self._extra_data, instances) return instances
[docs]class LaunchInstanceView(horizon_workflows.WorkflowView): workflow_class = workflows.LaunchInstance template_name = "project/databases/launch.html"
[docs] def get_initial(self): initial = super(LaunchInstanceView, self).get_initial() initial['project_id'] = self.request.user.project_id initial['user_id'] = self.request.user.id return initial
[docs]class DetailView(horizon_tabs.TabbedTableView): tab_group_class = tabs.InstanceDetailTabs template_name = 'project/databases/detail.html'
[docs] def get_context_data(self, **kwargs): context = super(DetailView, self).get_context_data(**kwargs) context["instance"] = self.get_data() return context
@memoized.memoized_method
[docs] def get_data(self): try: LOG.info("Obtaining instance for detailed view ") instance_id = self.kwargs['instance_id'] instance = api.trove.instance_get(self.request, instance_id) instance.host = get_host(instance) except Exception: redirect = reverse('horizon:project:databases:index') msg = _('Unable to retrieve details ' 'for database instance: %s') % instance_id exceptions.handle(self.request, msg, redirect=redirect) try: instance.full_flavor = api.trove.flavor_get( self.request, instance.flavor["id"]) except Exception: LOG.error('Unable to retrieve flavor details' ' for database instance: %s' % instance_id) return instance
[docs] def get_tabs(self, request, *args, **kwargs): instance = self.get_data() return self.tab_group_class(request, instance=instance, **kwargs)