# Copyright 2012 Nebula, Inc.
#
# 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.utils import html
from django.utils.http import urlencode
from django.utils import safestring
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 base
from openstack_dashboard.api import cinder
from openstack_dashboard import policy
from openstack_dashboard.dashboards.project.volumes \
.volumes import tables as volume_tables
[docs]class LaunchSnapshot(volume_tables.LaunchVolume):
name = "launch_snapshot"
[docs] def get_link_url(self, datum):
base_url = reverse(self.url)
vol_id = "%s:snap" % self.table.get_object_id(datum)
params = urlencode({"source_type": "volume_snapshot_id",
"source_id": vol_id})
return "?".join([base_url, params])
[docs] def allowed(self, request, snapshot=None):
if snapshot:
if (snapshot._volume and
getattr(snapshot._volume, 'bootable', '') == 'true'):
return snapshot.status == "available"
return False
[docs]class DeleteVolumeSnapshot(policy.PolicyTargetMixin, tables.DeleteAction):
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Volume Snapshot",
u"Delete Volume Snapshots",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Scheduled deletion of Volume Snapshot",
u"Scheduled deletion of Volume Snapshots",
count
)
policy_rules = (("volume", "volume:delete_snapshot"),)
policy_target_attrs = (("project_id",
'os-extended-snapshot-attributes:project_id'),)
[docs] def delete(self, request, obj_id):
api.cinder.volume_snapshot_delete(request, obj_id)
[docs]class EditVolumeSnapshot(policy.PolicyTargetMixin, tables.LinkAction):
name = "edit"
verbose_name = _("Edit Snapshot")
url = "horizon:project:volumes:snapshots:update"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume:update_snapshot"),)
policy_target_attrs = (("project_id",
'os-extended-snapshot-attributes:project_id'),)
[docs] def allowed(self, request, snapshot=None):
return snapshot.status == "available"
[docs]class CreateVolumeFromSnapshot(tables.LinkAction):
name = "create_from_snapshot"
verbose_name = _("Create Volume")
url = "horizon:project:volumes:volumes:create"
classes = ("ajax-modal",)
icon = "camera"
policy_rules = (("volume", "volume:create"),)
[docs] def get_link_url(self, datum):
base_url = reverse(self.url)
params = urlencode({"snapshot_id": self.table.get_object_id(datum)})
return "?".join([base_url, params])
[docs] def allowed(self, request, volume=None):
if volume and base.is_service_enabled(request, 'volume'):
return volume.status == "available"
return False
[docs]class UpdateRow(tables.Row):
ajax = True
[docs] def get_data(self, request, snapshot_id):
snapshot = cinder.volume_snapshot_get(request, snapshot_id)
snapshot._volume = cinder.volume_get(request, snapshot.volume_id)
return snapshot
[docs]class SnapshotVolumeNameColumn(tables.Column):
[docs] def get_raw_data(self, snapshot):
volume = snapshot._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, snapshot):
volume = snapshot._volume
if volume:
volume_id = volume.id
return reverse(self.link, args=(volume_id,))
[docs]class VolumeSnapshotsFilterAction(tables.FilterAction):
[docs] def filter(self, table, snapshots, filter_string):
"""Naive case-insensitive search."""
query = filter_string.lower()
return [snapshot for snapshot in snapshots
if query in snapshot.name.lower()]
[docs]class VolumeSnapshotsTable(volume_tables.VolumesTableBase):
name = tables.Column("name",
verbose_name=_("Name"),
link="horizon:project:volumes:snapshots:detail")
volume_name = SnapshotVolumeNameColumn(
"name",
verbose_name=_("Volume Name"),
link="horizon:project:volumes:volumes:detail")