# Copyright 2014 Budapest University of Technology and Economics (BME IK) # # This file is part of CIRCLE Cloud. # # CIRCLE is free software: you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free # Software Foundation, either version 3 of the License, or (at your option) # any later version. # # CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more # details. # # You should have received a copy of the GNU General Public License along # with CIRCLE. If not, see <http://www.gnu.org/licenses/>. from __future__ import unicode_literals, absolute_import from django.contrib import messages from django.core.urlresolvers import reverse from django.db.models import Q from django.utils.translation import ugettext_lazy as _ from django.views.generic import UpdateView from braces.views import SuperuserRequiredMixin from sizefield.utils import filesizeformat from common.models import WorkerNotFound from storage.models import DataStore, Disk from ..tables import DiskListTable from ..forms import DataStoreForm, DiskForm class StorageDetail(SuperuserRequiredMixin, UpdateView): model = DataStore form_class = DataStoreForm template_name = "dashboard/storage/detail.html" def get_object(self): return DataStore.objects.get() def get_context_data(self, **kwargs): context = super(StorageDetail, self).get_context_data(**kwargs) ds = self.get_object() try: context['stats'] = self._get_stats() context['missing_disks'] = ds.get_missing_disks() context['orphan_disks'] = ds.get_orphan_disks() except WorkerNotFound: messages.error(self.request, _("The DataStore is offline.")) context['disk_table'] = DiskListTable( self.get_table_data(), request=self.request, template="django_tables2/with_pagination.html") context['filter_names'] = ( ('vm', _("virtual machine")), ('template', _("template")), ('none', _("none")), ) return context def get_table_data(self): ds = self.get_object() qs = Disk.objects.filter(datastore=ds, destroyed=None) filter_name = self.request.GET.get("filter") search = self.request.GET.get("s") filter_queries = { 'vm': { 'instance_set__isnull': False, }, 'template': { 'template_set__isnull': False, }, 'none': { 'template_set__isnull': True, 'instance_set__isnull': True, } } if filter_name: qs = qs.filter(**filter_queries.get(filter_name, {})) if search: search = search.strip() qs = qs.filter(Q(name__icontains=search) | Q(filename__icontains=search)) return qs def _get_stats(self): stats = self.object.get_statistics() free_space = int(stats['free_space']) free_percent = float(stats['free_percent']) total_space = free_space / (free_percent/100.0) used_space = total_space - free_space return { 'used_percent': int(100 - free_percent), 'free_space': filesizeformat(free_space), 'used_space': filesizeformat(used_space), 'total_space': filesizeformat(total_space), } def get_success_url(self): return reverse("dashboard.views.storage") class DiskDetail(SuperuserRequiredMixin, UpdateView): model = Disk form_class = DiskForm template_name = "dashboard/storage/disk.html" def form_valid(self, form): pass