horizon/openstack_dashboard/dashboards/project/volume_groups/views.py
Akihiro Motoki cd7c1b5110 Address RemovedInDjango40Warning (2)
django.utils.translation.ugettext(), ugettext_lazy(), ugettext_noop(),
ungettext(), and ungettext_lazy() are deprecated in favor of the
functions that they’re aliases for: django.utils.translation.gettext(),
gettext_lazy(), gettext_noop(), ngettext(), and ngettext_lazy().

https://docs.djangoproject.com/en/4.0/releases/3.0/#id3

Change-Id: I77878f84e9d10cf6a136dada81eabf4e18676250
2022-02-04 16:22:07 +09:00

310 lines
12 KiB
Python

# 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.translation import gettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon import tabs
from horizon.utils import memoized
from horizon import workflows
from openstack_dashboard import api
from openstack_dashboard.api import cinder
from openstack_dashboard.usage import quotas
from openstack_dashboard.dashboards.project.volume_groups \
import forms as vol_group_forms
from openstack_dashboard.dashboards.project.volume_groups \
import tables as vol_group_tables
from openstack_dashboard.dashboards.project.volume_groups \
import tabs as vol_group_tabs
from openstack_dashboard.dashboards.project.volume_groups \
import workflows as vol_group_workflows
INDEX_URL = "horizon:project:volume_groups:index"
class IndexView(tables.DataTableView):
table_class = vol_group_tables.GroupsTable
page_title = _("Groups")
def get_data(self):
try:
groups = api.cinder.group_list_with_vol_type_names(self.request)
except Exception:
groups = []
exceptions.handle(self.request,
_("Unable to retrieve volume groups."))
if not groups:
return groups
group_snapshots = api.cinder.group_snapshot_list(self.request)
snapshot_groups = {gs.group_id for gs in group_snapshots}
for g in groups:
g.has_snapshots = g.id in snapshot_groups
return groups
class CreateView(workflows.WorkflowView):
workflow_class = vol_group_workflows.CreateGroupWorkflow
template_name = 'project/volume_groups/create.html'
page_title = _("Create Volume Group")
class UpdateView(forms.ModalFormView):
template_name = 'project/volume_groups/update.html'
page_title = _("Edit Group")
form_class = vol_group_forms.UpdateForm
success_url = reverse_lazy('horizon:project:volume_groups:index')
submit_url = "horizon:project:volume_groups:update"
def get_initial(self):
group = self.get_object()
return {'group_id': self.kwargs["group_id"],
'name': group.name,
'description': group.description}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs['group_id']
args = (self.kwargs['group_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
def get_object(self):
group_id = self.kwargs['group_id']
try:
self._object = cinder.group_get(self.request, group_id)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group details.'),
redirect=reverse(INDEX_URL))
return self._object
class RemoveVolumesView(forms.ModalFormView):
template_name = 'project/volume_groups/remove_vols.html'
page_title = _("Remove Volumes from Group")
form_class = vol_group_forms.RemoveVolsForm
success_url = reverse_lazy('horizon:project:volume_groups:index')
submit_url = "horizon:project:volume_groups:remove_volumes"
def get_initial(self):
group = self.get_object()
return {'group_id': self.kwargs["group_id"],
'name': group.name}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs['group_id']
args = (self.kwargs['group_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
def get_object(self):
group_id = self.kwargs['group_id']
try:
self._object = cinder.group_get(self.request, group_id)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group details.'),
redirect=reverse(INDEX_URL))
return self._object
class DeleteView(forms.ModalFormView):
template_name = 'project/volume_groups/delete.html'
page_title = _("Delete Group")
form_class = vol_group_forms.DeleteForm
success_url = reverse_lazy('horizon:project:volume_groups:index')
submit_url = "horizon:project:volume_groups:delete"
submit_label = page_title
def get_initial(self):
group = self.get_object()
return {'group_id': self.kwargs["group_id"],
'name': group.name}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs['group_id']
args = (self.kwargs['group_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
def get_object(self):
group_id = self.kwargs['group_id']
try:
self._object = cinder.group_get(self.request, group_id)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group details.'),
redirect=reverse(INDEX_URL))
return self._object
class ManageView(workflows.WorkflowView):
workflow_class = vol_group_workflows.UpdateGroupWorkflow
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs["group_id"]
return context
def _get_object(self, *args, **kwargs):
group_id = self.kwargs['group_id']
try:
group = cinder.group_get(self.request, group_id)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group details.'),
redirect=reverse(INDEX_URL))
return group
def get_initial(self):
group = self._get_object()
return {'group_id': group.id,
'name': group.name,
'description': group.description,
'vtypes': getattr(group, "volume_types")}
class CreateSnapshotView(forms.ModalFormView):
form_class = vol_group_forms.CreateSnapshotForm
page_title = _("Create Group Snapshot")
template_name = 'project/volume_groups/create_snapshot.html'
submit_label = _("Create Snapshot")
submit_url = "horizon:project:volume_groups:create_snapshot"
success_url = reverse_lazy('horizon:project:vg_snapshots:index')
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs['group_id']
args = (self.kwargs['group_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
try:
# get number of snapshots we will be creating
search_opts = {'group_id': context['group_id']}
volumes = api.cinder.volume_list(self.request,
search_opts=search_opts)
num_volumes = len(volumes)
usages = quotas.tenant_quota_usages(
self.request, targets=('snapshots', 'gigabytes'))
if (usages['snapshots']['used'] + num_volumes >
usages['snapshots']['quota']):
raise ValueError(_('Unable to create snapshots due to '
'exceeding snapshot quota limit.'))
context['numRequestedItems'] = num_volumes
context['usages'] = usages
except ValueError as e:
exceptions.handle(self.request, e.message)
return None
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group information.'))
return context
def get_initial(self):
return {'group_id': self.kwargs["group_id"]}
class CloneGroupView(forms.ModalFormView):
form_class = vol_group_forms.CloneGroupForm
page_title = _("Clone Group")
template_name = 'project/volume_groups/clone_group.html'
submit_label = _("Clone Group")
submit_url = "horizon:project:volume_groups:clone_group"
success_url = reverse_lazy('horizon:project:volume_groups:index')
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['group_id'] = self.kwargs['group_id']
args = (self.kwargs['group_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
try:
# get number of volumes we will be creating
group_id = context['group_id']
search_opts = {'group_id': group_id}
volumes = api.cinder.volume_list(self.request,
search_opts=search_opts)
num_volumes = len(volumes)
usages = quotas.tenant_quota_usages(
self.request, targets=('volumes', 'gigabytes'))
if (usages['volumes']['used'] + num_volumes >
usages['volumes']['quota']):
raise ValueError(_('Unable to create group due to '
'exceeding volume quota limit.'))
context['numRequestedItems'] = num_volumes
context['usages'] = usages
except ValueError as e:
exceptions.handle(self.request, e.message)
return None
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve group information.'))
return context
def get_initial(self):
return {'group_id': self.kwargs["group_id"]}
class DetailView(tabs.TabView):
tab_group_class = vol_group_tabs.GroupsDetailTabs
template_name = 'horizon/common/_detail.html'
page_title = "{{ group.name|default:group.id }}"
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
group = self.get_data()
table = vol_group_tables.GroupsTable(self.request)
context["group"] = group
context["url"] = self.get_redirect_url()
context["actions"] = table.render_row_actions(group)
return context
@memoized.memoized_method
def get_data(self):
try:
group_id = self.kwargs['group_id']
group = api.cinder.group_get_with_vol_type_names(self.request,
group_id)
search_opts = {'group_id': group_id}
volumes = api.cinder.volume_list(self.request,
search_opts=search_opts)
group.volume_names = [{'id': vol.id, 'name': vol.name}
for vol in volumes]
group_snapshots = api.cinder.group_snapshot_list(
self.request, search_opts=search_opts)
group.has_snapshots = bool(group_snapshots)
except Exception:
redirect = self.get_redirect_url()
exceptions.handle(self.request,
_('Unable to retrieve group details.'),
redirect=redirect)
return group
@staticmethod
def get_redirect_url():
return reverse('horizon:project:volume_groups:index')
def get_tabs(self, request, *args, **kwargs):
group = self.get_data()
return self.tab_group_class(request, group=group, **kwargs)