157 lines
6.1 KiB
Python
157 lines
6.1 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 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.vg_snapshots \
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import forms as vg_snapshot_forms
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from openstack_dashboard.dashboards.project.vg_snapshots \
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import tables as vg_snapshot_tables
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from openstack_dashboard.dashboards.project.vg_snapshots \
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import tabs as vg_snapshot_tabs
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INDEX_URL = "horizon:project:vg_snapshots:index"
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class IndexView(tables.DataTableView):
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table_class = vg_snapshot_tables.GroupSnapshotsTable
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page_title = _("Group Snapshots")
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def get_data(self):
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try:
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vg_snapshots = api.cinder.group_snapshot_list(self.request)
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except Exception:
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vg_snapshots = []
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exceptions.handle(self.request, _("Unable to retrieve "
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"volume group snapshots."))
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try:
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groups = dict((g.id, g) for g
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in api.cinder.group_list(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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for gs in vg_snapshots:
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gs.group = groups.get(gs.group_id)
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return vg_snapshots
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class DetailView(tabs.TabView):
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tab_group_class = vg_snapshot_tabs.DetailTabs
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template_name = 'horizon/common/_detail.html'
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page_title = "{{ vg_snapshot.name|default:vg_snapshot.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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vg_snapshot = self.get_data()
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table = vg_snapshot_tables.GroupSnapshotsTable(self.request)
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context["vg_snapshot"] = vg_snapshot
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context["url"] = self.get_redirect_url()
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context["actions"] = table.render_row_actions(vg_snapshot)
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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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vg_snapshot_id = self.kwargs['vg_snapshot_id']
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vg_snapshot = api.cinder.group_snapshot_get(self.request,
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vg_snapshot_id)
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group_id = vg_snapshot.group_id
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group = api.cinder.group_get(self.request, group_id)
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vg_snapshot.vg_name = group.name
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vg_snapshot.volume_type_names = []
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for vol_type_id in group.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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vg_snapshot.volume_type_names.append(vol_type.name)
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vg_snapshot.volume_names = []
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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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for volume in volumes:
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vg_snapshot.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 group snapshot details.'),
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redirect=redirect)
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return vg_snapshot
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@staticmethod
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def get_redirect_url():
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return reverse(INDEX_URL)
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def get_tabs(self, request, *args, **kwargs):
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vg_snapshot = self.get_data()
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return self.tab_group_class(request, vg_snapshot=vg_snapshot, **kwargs)
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class CreateGroupView(forms.ModalFormView):
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form_class = vg_snapshot_forms.CreateGroupForm
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template_name = 'project/vg_snapshots/create.html'
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submit_url = "horizon:project:vg_snapshots:create_group"
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success_url = reverse_lazy('horizon:project:volume_groups:index')
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page_title = _("Create Volume Group")
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def get_context_data(self, **kwargs):
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context = super(CreateGroupView, self).get_context_data(**kwargs)
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context['vg_snapshot_id'] = self.kwargs['vg_snapshot_id']
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args = (self.kwargs['vg_snapshot_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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vg_snapshot = cinder.group_snapshot_get(
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self.request, context['vg_snapshot_id'])
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group_id = vg_snapshot.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 {'vg_snapshot_id': self.kwargs["vg_snapshot_id"]}
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