Source code for openstack_dashboard.dashboards.project.volumes.snapshots.tables

# 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.conf import settings
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 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 allowed(self, request, snapshot=None): if snapshot: if (snapshot._volume and getattr(snapshot._volume, 'bootable', '') == 'true'): return snapshot.status == "available" return False
[docs]class LaunchSnapshotNG(LaunchSnapshot): name = "launch_snapshot_ng" verbose_name = _("Launch as Instance") url = "horizon:project:volumes:snapshots_tab" classes = ("btn-launch", ) ajax = False def __init__(self, attrs=None, **kwargs): kwargs['preempt'] = True super(LaunchSnapshot, self).__init__(attrs, **kwargs)
[docs]class DeleteVolumeSnapshot(policy.PolicyTargetMixin, tables.DeleteAction): help_text = _("Deleted volume snapshots are not recoverable.") @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 allowed(self, request, volume=None): if volume and cinder.is_volume_service_enabled(request): 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.WrappingColumn):
[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]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.WrappingColumn( "name", verbose_name=_("Name"), link="horizon:project:volumes:snapshots:detail") volume_name = SnapshotVolumeNameColumn( "name", verbose_name=_("Volume Name"), link="horizon:project:volumes:volumes:detail")
[docs] class Meta(object): name = "volume_snapshots" verbose_name = _("Volume Snapshots") pagination_param = 'snapshot_marker' prev_pagination_param = 'prev_snapshot_marker' table_actions = (VolumeSnapshotsFilterAction, DeleteVolumeSnapshot,) launch_actions = () if getattr(settings, 'LAUNCH_INSTANCE_LEGACY_ENABLED', False): launch_actions = (LaunchSnapshot,) + launch_actions if getattr(settings, 'LAUNCH_INSTANCE_NG_ENABLED', True): launch_actions = (LaunchSnapshotNG,) + launch_actions row_actions = ((CreateVolumeFromSnapshot,) + launch_actions + (EditVolumeSnapshot, DeleteVolumeSnapshot)) row_class = UpdateRow status_columns = ("status",) permissions = [( ('openstack.services.volume', 'openstack.services.volumev2'), )]

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