b010be547b
Horizon uses naive filtering for admin flavors, which doesn't work well
with pagination. Nova API supports flavors filtering, so this patch
replaces the existing filtering with server side filtering.
Change-Id: Icdfc414c4f77bb9fda65b21f509b9f1d453ea7df
Signed-off-by: Tatiana Ovchinnikova <t.v.ovtchinnikova@gmail.com>
(cherry picked from commit 5acdc88861)
113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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#
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# 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_lazy
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from django.utils.translation import gettext_lazy as _
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from horizon import exceptions
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from horizon import tables
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from horizon import workflows
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from openstack_dashboard import api
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from openstack_dashboard.dashboards.admin.flavors \
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import tables as project_tables
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from openstack_dashboard.dashboards.admin.flavors \
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import workflows as flavor_workflows
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INDEX_URL = "horizon:admin:flavors:index"
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class IndexView(tables.DataTableView):
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table_class = project_tables.FlavorsTable
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page_title = _("Flavors")
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FILTERS_MAPPING = {'is_public': {_('yes'): True, _('no'): False}}
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def has_prev_data(self, table):
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return self._prev
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def has_more_data(self, table):
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return self._more
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def get_data(self):
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request = self.request
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filters = self.get_filters(filters_map=self.FILTERS_MAPPING)
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is_public = filters.get("is_public")
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min_disk = filters.get("min_disk")
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min_ram = filters.get("min_ram")
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prev_marker = request.GET.get(
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project_tables.FlavorsTable._meta.prev_pagination_param, None)
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if prev_marker is not None:
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marker = prev_marker
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else:
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marker = request.GET.get(
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project_tables.FlavorsTable._meta.pagination_param, None)
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reversed_order = prev_marker is not None
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flavors = []
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try:
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# Removing the pagination params and adding "is_public=None"
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# will return all flavors.
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flavors, self._more, self._prev = api.nova.flavor_list_paged(
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request,
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is_public=is_public,
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marker=marker,
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paginate=True,
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sort_dir='asc',
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sort_key='name',
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min_disk=min_disk,
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min_ram=min_ram,
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reversed_order=reversed_order)
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except Exception:
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self._prev = self._more = False
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exceptions.handle(request,
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_('Unable to retrieve flavor list.'))
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return flavors
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class CreateView(workflows.WorkflowView):
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workflow_class = flavor_workflows.CreateFlavor
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template_name = 'admin/flavors/create.html'
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page_title = _("Create Flavor")
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class UpdateView(workflows.WorkflowView):
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workflow_class = flavor_workflows.UpdateFlavor
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template_name = 'admin/flavors/update.html'
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page_title = _("Edit Flavor")
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def get_initial(self):
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flavor_id = self.kwargs['id']
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try:
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# Get initial flavor information
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flavor = api.nova.flavor_get(self.request, flavor_id)
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if flavor.is_public:
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flavor_access = []
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else:
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flavor_access = api.nova.flavor_access_list(self.request,
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flavor_id)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve flavor details.'),
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redirect=reverse_lazy(INDEX_URL))
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return {'flavor': flavor,
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'current_flavor_access': flavor_access}
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