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# 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.urls import reverse
from django.urls import reverse_lazy
from django.utils.http import urlencode
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon import tabs
from horizon.utils import memoized
from openstack_dashboard.api import cinder
from openstack_dashboard.dashboards.project.snapshots \
import forms as vol_snapshot_forms
from openstack_dashboard.dashboards.project.snapshots \
import tables as vol_snapshot_tables
from openstack_dashboard.dashboards.project.snapshots \
import tabs as vol_snapshot_tabs
class SnapshotsView(tables.PagedTableMixin, tables.DataTableView):
table_class = vol_snapshot_tables.VolumeSnapshotsTable
page_title = _("Volume Snapshots")
def get_data(self):
snapshots = []
volumes = {}
needs_gs = False
if cinder.is_volume_service_enabled(self.request):
try:
marker, sort_dir = self._get_marker()
snapshots, self._has_more_data, self._has_prev_data = \
cinder.volume_snapshot_list_paged(
self.request, paginate=True, marker=marker,
sort_dir=sort_dir)
except Exception:
exceptions.handle(self.request,
_("Unable to retrieve volume snapshots."))
try:
volumes = cinder.volume_list(self.request)
volumes = dict((v.id, v) for v in volumes)
except Exception:
exceptions.handle(self.request,
_("Unable to retrieve volumes."))
needs_gs = any(getattr(snapshot, 'group_snapshot_id', None)
for snapshot in snapshots)
if needs_gs:
try:
group_snapshots = cinder.group_snapshot_list(self.request)
group_snapshots = dict((gs.id, gs) for gs
in group_snapshots)
except Exception:
group_snapshots = {}
exceptions.handle(self.request,
_("Unable to retrieve group snapshots."))
for snapshot in snapshots:
volume = volumes.get(snapshot.volume_id)
setattr(snapshot, '_volume', volume)
if needs_gs:
group_snapshot = group_snapshots.get(
snapshot.group_snapshot_id)
snapshot.group_snapshot = group_snapshot
else:
snapshot.group_snapshot = None
return snapshots
class UpdateView(forms.ModalFormView):
form_class = vol_snapshot_forms.UpdateForm
form_id = "update_snapshot_form"
template_name = 'project/snapshots/update.html'
submit_label = _("Save Changes")
submit_url = "horizon:project:snapshots:update"
success_url = reverse_lazy("horizon:project:snapshots:index")
page_title = _("Edit Snapshot")
@memoized.memoized_method
def get_object(self):
snap_id = self.kwargs['snapshot_id']
try:
self._object = cinder.volume_snapshot_get(self.request,
snap_id)
except Exception:
msg = _('Unable to retrieve volume snapshot.')
url = reverse('horizon:project:snapshots:index')
exceptions.handle(self.request, msg, redirect=url)
return self._object
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['snapshot'] = self.get_object()
success_url = self.request.GET.get('success_url', "")
args = (self.kwargs['snapshot_id'],)
params = urlencode({"success_url": success_url})
context['submit_url'] = "?".join([reverse(self.submit_url, args=args),
params])
return context
def get_initial(self):
snapshot = self.get_object()
return {'snapshot_id': self.kwargs["snapshot_id"],
'name': snapshot.name,
'description': snapshot.description}
def get_success_url(self):
success_url = self.request.GET.get(
"success_url",
reverse_lazy("horizon:project:snapshots:index"))
return success_url
class DetailView(tabs.TabView):
tab_group_class = vol_snapshot_tabs.SnapshotDetailTabs
template_name = 'horizon/common/_detail.html'
page_title = "{{ snapshot.name|default:snapshot.id }}"
volume_url = 'horizon:project:volumes:detail'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
snapshot = self.get_data()
snapshot.volume_url = reverse(self.volume_url,
args=(snapshot.volume_id,))
table = vol_snapshot_tables.VolumeSnapshotsTable(self.request)
context["snapshot"] = snapshot
context["url"] = self.get_redirect_url()
context["actions"] = table.render_row_actions(snapshot)
return context
@memoized.memoized_method
def get_data(self):
try:
snapshot_id = self.kwargs['snapshot_id']
snapshot = cinder.volume_snapshot_get(self.request,
snapshot_id)
snapshot._volume = cinder.volume_get(self.request,
snapshot.volume_id)
if getattr(snapshot, 'group_snapshot_id', None):
snapshot.group_snapshot = cinder.group_snapshot_get(
self.request, snapshot.group_snapshot_id)
else:
snapshot.group_snapshot = None
except Exception:
redirect = self.get_redirect_url()
exceptions.handle(self.request,
_('Unable to retrieve snapshot details.'),
redirect=redirect)
return snapshot
@staticmethod
def get_redirect_url():
return reverse('horizon:project:snapshots:index')
def get_tabs(self, request, *args, **kwargs):
snapshot = self.get_data()
return self.tab_group_class(request, snapshot=snapshot, **kwargs)
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