321 lines
12 KiB
Python
321 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.core.urlresolvers import reverse
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from django.core.urlresolvers 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.cgroups \
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import forms as vol_cgroup_forms
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from openstack_dashboard.dashboards.project.cgroups \
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import tables as vol_cgroup_tables
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from openstack_dashboard.dashboards.project.cgroups \
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import tabs as vol_cgroup_tabs
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from openstack_dashboard.dashboards.project.cgroups \
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import workflows as vol_cgroup_workflows
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CGROUP_INFO_FIELDS = ("name",
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"description")
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INDEX_URL = "horizon:project:cgroups:index"
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class CGroupsView(tables.DataTableView):
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table_class = vol_cgroup_tables.VolumeCGroupsTable
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page_title = _("Consistency Groups")
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def get_data(self):
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try:
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cgroups = api.cinder.volume_cgroup_list_with_vol_type_names(
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self.request)
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except Exception:
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cgroups = []
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exceptions.handle(self.request, _("Unable to retrieve "
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"volume consistency groups."))
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return cgroups
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class CreateView(workflows.WorkflowView):
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workflow_class = vol_cgroup_workflows.CreateCGroupWorkflow
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template_name = 'project/cgroups/create.html'
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page_title = _("Create Volume Consistency Group")
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class UpdateView(forms.ModalFormView):
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template_name = 'project/cgroups/update.html'
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page_title = _("Edit Consistency Group")
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form_class = vol_cgroup_forms.UpdateForm
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success_url = reverse_lazy('horizon:project:cgroups:index')
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submit_url = "horizon:project:cgroups:update"
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def get_initial(self):
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cgroup = self.get_object()
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return {'cgroup_id': self.kwargs["cgroup_id"],
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'name': cgroup.name,
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'description': cgroup.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['cgroup_id'] = self.kwargs['cgroup_id']
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args = (self.kwargs['cgroup_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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cgroup_id = self.kwargs['cgroup_id']
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try:
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self._object = cinder.volume_cgroup_get(self.request, cgroup_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve consistency group '
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'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/cgroups/remove_vols.html'
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page_title = _("Remove Volumes from Consistency Group")
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form_class = vol_cgroup_forms.RemoveVolsForm
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success_url = reverse_lazy('horizon:project:cgroups:index')
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submit_url = "horizon:project:cgroups:remove_volumes"
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def get_initial(self):
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cgroup = self.get_object()
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return {'cgroup_id': self.kwargs["cgroup_id"],
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'name': cgroup.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['cgroup_id'] = self.kwargs['cgroup_id']
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args = (self.kwargs['cgroup_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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cgroup_id = self.kwargs['cgroup_id']
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try:
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self._object = cinder.volume_cgroup_get(self.request, cgroup_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve consistency group '
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'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/cgroups/delete.html'
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page_title = _("Delete Consistency Group")
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form_class = vol_cgroup_forms.DeleteForm
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success_url = reverse_lazy('horizon:project:cgroups:index')
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submit_url = "horizon:project:cgroups:delete"
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submit_label = page_title
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def get_initial(self):
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cgroup = self.get_object()
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return {'cgroup_id': self.kwargs["cgroup_id"],
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'name': cgroup.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['cgroup_id'] = self.kwargs['cgroup_id']
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args = (self.kwargs['cgroup_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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cgroup_id = self.kwargs['cgroup_id']
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try:
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self._object = cinder.volume_cgroup_get(self.request, cgroup_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve consistency group '
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'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_cgroup_workflows.UpdateCGroupWorkflow
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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['cgroup_id'] = self.kwargs["cgroup_id"]
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return context
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def _get_object(self, *args, **kwargs):
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cgroup_id = self.kwargs['cgroup_id']
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try:
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cgroup = cinder.volume_cgroup_get(self.request, cgroup_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve consistency group '
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'details.'),
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redirect=reverse(INDEX_URL))
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return cgroup
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def get_initial(self):
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cgroup = self._get_object()
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return {'cgroup_id': cgroup.id,
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'name': cgroup.name,
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'description': cgroup.description,
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'vtypes': getattr(cgroup, "volume_types")}
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class CreateSnapshotView(forms.ModalFormView):
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form_class = vol_cgroup_forms.CreateSnapshotForm
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page_title = _("Create Consistency Group Snapshot")
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template_name = 'project/cgroups/create_snapshot.html'
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submit_label = _("Create Snapshot")
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submit_url = "horizon:project:cgroups:create_snapshot"
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success_url = reverse_lazy('horizon:project:volumes:cg_snapshots_tab')
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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['cgroup_id'] = self.kwargs['cgroup_id']
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args = (self.kwargs['cgroup_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 = {'consistencygroup_id': context['cgroup_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_limit_usages(self.request)
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if usages['snapshotsUsed'] + num_volumes > \
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usages['maxTotalSnapshots']:
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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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usages['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 consistency '
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'group information.'))
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return context
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def get_initial(self):
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return {'cgroup_id': self.kwargs["cgroup_id"]}
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class CloneCGroupView(forms.ModalFormView):
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form_class = vol_cgroup_forms.CloneCGroupForm
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page_title = _("Clone Consistency Group")
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template_name = 'project/cgroups/clone_cgroup.html'
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submit_label = _("Clone Consistency Group")
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submit_url = "horizon:project:cgroups:clone_cgroup"
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success_url = reverse_lazy('horizon:project:cgroups:index')
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def get_context_data(self, **kwargs):
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context = super(CloneCGroupView, self).get_context_data(**kwargs)
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context['cgroup_id'] = self.kwargs['cgroup_id']
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args = (self.kwargs['cgroup_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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cgroup_id = context['cgroup_id']
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search_opts = {'consistencygroup_id': cgroup_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_limit_usages(self.request)
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if usages['volumesUsed'] + num_volumes > \
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usages['maxTotalVolumes']:
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raise ValueError(_('Unable to create consistency group due to '
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'exceeding volume quota limit.'))
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else:
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usages['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 consistency '
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'group information.'))
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return context
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def get_initial(self):
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return {'cgroup_id': self.kwargs["cgroup_id"]}
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class DetailView(tabs.TabView):
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tab_group_class = vol_cgroup_tabs.CGroupsDetailTabs
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template_name = 'horizon/common/_detail.html'
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page_title = "{{ cgroup.name|default:cgroup.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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cgroup = self.get_data()
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table = vol_cgroup_tables.VolumeCGroupsTable(self.request)
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context["cgroup"] = cgroup
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context["url"] = self.get_redirect_url()
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context["actions"] = table.render_row_actions(cgroup)
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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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cgroup_id = self.kwargs['cgroup_id']
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cgroup = api.cinder.volume_cgroup_get(self.request,
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cgroup_id)
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cgroup.volume_type_names = []
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for vol_type_id in cgroup.volume_types:
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vol_type = api.cinder.volume_type_get(self.request,
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vol_type_id)
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cgroup.volume_type_names.append(vol_type.name)
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cgroup.volume_names = []
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search_opts = {'consistencygroup_id': cgroup_id}
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volumes = api.cinder.volume_list(self.request,
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search_opts=search_opts)
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for volume in volumes:
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cgroup.volume_names.append(volume.name)
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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 consistency group '
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'details.'),
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redirect=redirect)
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return cgroup
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@staticmethod
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def get_redirect_url():
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return reverse('horizon:project:cgroups:index')
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def get_tabs(self, request, *args, **kwargs):
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cgroup = self.get_data()
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return self.tab_group_class(request, cgroup=cgroup, **kwargs)
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