315 lines
12 KiB
Python
315 lines
12 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from django.urls import reverse
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon import tables
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from horizon import tabs
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from horizon.utils import memoized
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from horizon import workflows
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from openstack_dashboard import api
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from openstack_dashboard.api import cinder
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from openstack_dashboard.usage import quotas
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from openstack_dashboard.dashboards.project.volume_groups \
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import forms as vol_group_forms
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from openstack_dashboard.dashboards.project.volume_groups \
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import tables as vol_group_tables
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from openstack_dashboard.dashboards.project.volume_groups \
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import tabs as vol_group_tabs
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from openstack_dashboard.dashboards.project.volume_groups \
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import workflows as vol_group_workflows
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CGROUP_INFO_FIELDS = ("name",
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"description")
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INDEX_URL = "horizon:project:volume_groups:index"
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class IndexView(tables.DataTableView):
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table_class = vol_group_tables.GroupsTable
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page_title = _("Groups")
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def get_data(self):
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try:
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groups = api.cinder.group_list_with_vol_type_names(self.request)
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except Exception:
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groups = []
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exceptions.handle(self.request,
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_("Unable to retrieve volume groups."))
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if not groups:
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return groups
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group_snapshots = api.cinder.group_snapshot_list(self.request)
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snapshot_groups = {gs.group_id for gs in group_snapshots}
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for g in groups:
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g.has_snapshots = g.id in snapshot_groups
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return groups
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class CreateView(workflows.WorkflowView):
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workflow_class = vol_group_workflows.CreateGroupWorkflow
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template_name = 'project/volume_groups/create.html'
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page_title = _("Create Volume Group")
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class UpdateView(forms.ModalFormView):
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template_name = 'project/volume_groups/update.html'
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page_title = _("Edit Group")
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form_class = vol_group_forms.UpdateForm
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success_url = reverse_lazy('horizon:project:volume_groups:index')
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submit_url = "horizon:project:volume_groups:update"
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def get_initial(self):
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group = self.get_object()
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return {'group_id': self.kwargs["group_id"],
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'name': group.name,
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'description': group.description}
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def get_context_data(self, **kwargs):
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context = super(UpdateView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs['group_id']
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args = (self.kwargs['group_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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return context
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def get_object(self):
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group_id = self.kwargs['group_id']
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try:
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self._object = cinder.group_get(self.request, group_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group details.'),
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redirect=reverse(INDEX_URL))
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return self._object
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class RemoveVolumesView(forms.ModalFormView):
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template_name = 'project/volume_groups/remove_vols.html'
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page_title = _("Remove Volumes from Group")
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form_class = vol_group_forms.RemoveVolsForm
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success_url = reverse_lazy('horizon:project:volume_groups:index')
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submit_url = "horizon:project:volume_groups:remove_volumes"
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def get_initial(self):
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group = self.get_object()
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return {'group_id': self.kwargs["group_id"],
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'name': group.name}
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def get_context_data(self, **kwargs):
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context = super(RemoveVolumesView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs['group_id']
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args = (self.kwargs['group_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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return context
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def get_object(self):
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group_id = self.kwargs['group_id']
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try:
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self._object = cinder.group_get(self.request, group_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group details.'),
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redirect=reverse(INDEX_URL))
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return self._object
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class DeleteView(forms.ModalFormView):
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template_name = 'project/volume_groups/delete.html'
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page_title = _("Delete Group")
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form_class = vol_group_forms.DeleteForm
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success_url = reverse_lazy('horizon:project:volume_groups:index')
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submit_url = "horizon:project:volume_groups:delete"
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submit_label = page_title
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def get_initial(self):
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group = self.get_object()
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return {'group_id': self.kwargs["group_id"],
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'name': group.name}
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def get_context_data(self, **kwargs):
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context = super(DeleteView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs['group_id']
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args = (self.kwargs['group_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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return context
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def get_object(self):
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group_id = self.kwargs['group_id']
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try:
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self._object = cinder.group_get(self.request, group_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group details.'),
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redirect=reverse(INDEX_URL))
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return self._object
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class ManageView(workflows.WorkflowView):
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workflow_class = vol_group_workflows.UpdateGroupWorkflow
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def get_context_data(self, **kwargs):
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context = super(ManageView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs["group_id"]
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return context
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def _get_object(self, *args, **kwargs):
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group_id = self.kwargs['group_id']
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try:
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group = cinder.group_get(self.request, group_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group details.'),
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redirect=reverse(INDEX_URL))
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return group
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def get_initial(self):
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group = self._get_object()
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return {'group_id': group.id,
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'name': group.name,
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'description': group.description,
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'vtypes': getattr(group, "volume_types")}
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class CreateSnapshotView(forms.ModalFormView):
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form_class = vol_group_forms.CreateSnapshotForm
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page_title = _("Create Group Snapshot")
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template_name = 'project/volume_groups/create_snapshot.html'
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submit_label = _("Create Snapshot")
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submit_url = "horizon:project:volume_groups:create_snapshot"
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success_url = reverse_lazy('horizon:project:vg_snapshots:index')
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def get_context_data(self, **kwargs):
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context = super(CreateSnapshotView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs['group_id']
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args = (self.kwargs['group_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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try:
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# get number of snapshots we will be creating
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search_opts = {'group_id': context['group_id']}
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volumes = api.cinder.volume_list(self.request,
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search_opts=search_opts)
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num_volumes = len(volumes)
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usages = quotas.tenant_quota_usages(
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self.request, targets=('snapshots', 'gigabytes'))
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if (usages['snapshots']['used'] + num_volumes >
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usages['snapshots']['quota']):
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raise ValueError(_('Unable to create snapshots due to '
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'exceeding snapshot quota limit.'))
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else:
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context['numRequestedItems'] = num_volumes
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context['usages'] = usages
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except ValueError as e:
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exceptions.handle(self.request, e.message)
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return None
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group information.'))
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return context
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def get_initial(self):
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return {'group_id': self.kwargs["group_id"]}
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class CloneGroupView(forms.ModalFormView):
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form_class = vol_group_forms.CloneGroupForm
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page_title = _("Clone Group")
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template_name = 'project/volume_groups/clone_group.html'
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submit_label = _("Clone Group")
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submit_url = "horizon:project:volume_groups:clone_group"
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success_url = reverse_lazy('horizon:project:volume_groups:index')
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def get_context_data(self, **kwargs):
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context = super(CloneGroupView, self).get_context_data(**kwargs)
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context['group_id'] = self.kwargs['group_id']
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args = (self.kwargs['group_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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try:
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# get number of volumes we will be creating
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group_id = context['group_id']
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search_opts = {'group_id': group_id}
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volumes = api.cinder.volume_list(self.request,
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search_opts=search_opts)
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num_volumes = len(volumes)
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usages = quotas.tenant_quota_usages(
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self.request, targets=('volumes', 'gigabytes'))
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if (usages['volumes']['used'] + num_volumes >
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usages['volumes']['quota']):
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raise ValueError(_('Unable to create group due to '
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'exceeding volume quota limit.'))
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else:
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context['numRequestedItems'] = num_volumes
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context['usages'] = usages
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except ValueError as e:
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exceptions.handle(self.request, e.message)
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return None
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve group information.'))
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return context
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def get_initial(self):
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return {'group_id': self.kwargs["group_id"]}
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class DetailView(tabs.TabView):
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tab_group_class = vol_group_tabs.GroupsDetailTabs
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template_name = 'horizon/common/_detail.html'
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page_title = "{{ group.name|default:group.id }}"
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def get_context_data(self, **kwargs):
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context = super(DetailView, self).get_context_data(**kwargs)
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group = self.get_data()
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table = vol_group_tables.GroupsTable(self.request)
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context["group"] = group
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context["url"] = self.get_redirect_url()
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context["actions"] = table.render_row_actions(group)
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return context
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@memoized.memoized_method
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def get_data(self):
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try:
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group_id = self.kwargs['group_id']
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group = api.cinder.group_get_with_vol_type_names(self.request,
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group_id)
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search_opts = {'group_id': group_id}
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volumes = api.cinder.volume_list(self.request,
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search_opts=search_opts)
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group.volume_names = [{'id': vol.id, 'name': vol.name}
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for vol in volumes]
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group_snapshots = api.cinder.group_snapshot_list(
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self.request, search_opts=search_opts)
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group.has_snapshots = bool(group_snapshots)
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except Exception:
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redirect = self.get_redirect_url()
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exceptions.handle(self.request,
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_('Unable to retrieve group details.'),
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redirect=redirect)
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return group
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@staticmethod
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def get_redirect_url():
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return reverse('horizon:project:volume_groups:index')
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def get_tabs(self, request, *args, **kwargs):
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group = self.get_data()
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return self.tab_group_class(request, group=group, **kwargs)
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