# 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
from django.template.defaultfilters import title # noqa
from django.utils import html
from django.utils import http
from django.utils import safestring
from django.utils.translation import pgettext_lazy
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from horizon import tables
from openstack_dashboard import api
from openstack_dashboard.api import cinder
DELETABLE_STATES = ("available", "error",)
[docs]class BackupVolumeNameColumn(tables.Column):
[docs] def get_raw_data(self, backup):
volume = backup.volume
if volume:
volume_name = volume.name
volume_name = html.escape(volume_name)
else:
volume_name = _("Unknown")
return safestring.mark_safe(volume_name)
[docs] def get_link_url(self, backup):
volume = backup.volume
if volume:
volume_id = volume.id
return reverse(self.link, args=(volume_id,))
[docs]class DeleteBackup(tables.DeleteAction):
policy_rules = (("volume", "backup:delete"),)
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Volume Backup",
u"Delete Volume Backups",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Scheduled deletion of Volume Backup",
u"Scheduled deletion of Volume Backups",
count
)
[docs] def delete(self, request, obj_id):
api.cinder.volume_backup_delete(request, obj_id)
[docs] def allowed(self, request, volume=None):
if volume:
return volume.status in DELETABLE_STATES
return True
[docs]class RestoreBackup(tables.LinkAction):
name = "restore"
verbose_name = _("Restore Backup")
classes = ("ajax-modal",)
policy_rules = (("volume", "backup:restore"),)
[docs] def allowed(self, request, volume=None):
return volume.status == "available"
[docs] def get_link_url(self, datum):
backup_id = datum.id
backup_name = datum.name
volume_id = getattr(datum, 'volume_id', None)
url = reverse("horizon:project:volumes:backups:restore",
args=(backup_id,))
url += '?%s' % http.urlencode({'backup_name': backup_name,
'volume_id': volume_id})
return url
[docs]class UpdateRow(tables.Row):
ajax = True
[docs] def get_data(self, request, backup_id):
backup = cinder.volume_backup_get(request, backup_id)
try:
backup.volume = cinder.volume_get(request,
backup.volume_id)
except Exception:
pass
return backup
[docs]def get_size(backup):
return _("%sGB") % backup.size
[docs]class BackupsTable(tables.DataTable):
STATUS_CHOICES = (
("available", True),
("creating", None),
("restoring", None),
("error", False),
)
STATUS_DISPLAY_CHOICES = (
("available", pgettext_lazy("Current status of a Volume Backup",
u"Available")),
("error", pgettext_lazy("Current status of a Volume Backup",
u"Error")),
("creating", pgettext_lazy("Current status of a Volume Backup",
u"Creating")),
("restoring", pgettext_lazy("Current status of a Volume Backup",
u"Restoring")),
("deleting", pgettext_lazy("Current status of a Volume Backup",
u"Deleting")),
("error_restoring", pgettext_lazy("Current status of a Volume Backup",
u"Error Restoring")),
)
name = tables.Column("name",
verbose_name=_("Name"),
link="horizon:project:volumes:backups:detail")
description = tables.Column("description",
verbose_name=_("Description"),
truncate=40)
size = tables.Column(get_size,
verbose_name=_("Size"),
attrs={'data-type': 'size'})
status = tables.Column("status",
verbose_name=_("Status"),
status=True,
status_choices=STATUS_CHOICES,
display_choices=STATUS_DISPLAY_CHOICES)
volume_name = BackupVolumeNameColumn("name",
verbose_name=_("Volume Name"),
link="horizon:project"
":volumes:volumes:detail")