horizon/openstack_dashboard/dashboards/admin/flavors/views.py
Sam Betts 0b93ec500e Reduce page title duplication in Admin Flavors
Patch https://review.openstack.org/#/c/142802/15 adds a method of
reducing duplication of page title logic, this patch applies that change
to the admin flavors view.

Change-Id: I2a75ec719b4e126775cd763caeee0266b87944a5
Partial-Bug: 1413749
2015-02-11 16:32:40 +00:00

142 lines
4.9 KiB
Python

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# 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.
import json
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon.utils import memoized
from horizon import workflows
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.flavors \
import forms as project_forms
from openstack_dashboard.dashboards.admin.flavors \
import tables as project_tables
from openstack_dashboard.dashboards.admin.flavors \
import workflows as flavor_workflows
INDEX_URL = "horizon:admin:flavors:index"
class IndexView(tables.DataTableView):
table_class = project_tables.FlavorsTable
template_name = 'admin/flavors/index.html'
page_title = _("Flavors")
def get_data(self):
request = self.request
flavors = []
try:
# "is_public=None" will return all flavors.
flavors = api.nova.flavor_list(request, None)
except Exception:
exceptions.handle(request,
_('Unable to retrieve flavor list.'))
# Sort flavors by size
flavors.sort(key=lambda f: (f.vcpus, f.ram, f.disk))
return flavors
class CreateView(workflows.WorkflowView):
workflow_class = flavor_workflows.CreateFlavor
template_name = 'admin/flavors/create.html'
page_title = _("Create Flavor")
class UpdateView(workflows.WorkflowView):
workflow_class = flavor_workflows.UpdateFlavor
template_name = 'admin/flavors/update.html'
page_title = _("Edit Flavor")
def get_initial(self):
flavor_id = self.kwargs['id']
try:
# Get initial flavor information
flavor = api.nova.flavor_get(self.request, flavor_id)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve flavor details.'),
redirect=reverse_lazy(INDEX_URL))
return {'flavor_id': flavor.id,
'name': flavor.name,
'vcpus': flavor.vcpus,
'memory_mb': flavor.ram,
'disk_gb': flavor.disk,
'swap_mb': flavor.swap or 0,
'eph_gb': getattr(flavor, 'OS-FLV-EXT-DATA:ephemeral', None)}
class UpdateMetadataView(forms.ModalFormView):
template_name = "admin/flavors/update_metadata.html"
form_class = project_forms.UpdateMetadataForm
success_url = reverse_lazy('horizon:admin:flavors:index')
page_title = _("Update Flavor Metadata")
def get_initial(self):
extra_specs_dict = self.get_object()
return {'id': self.kwargs["id"], 'metadata': extra_specs_dict}
def get_context_data(self, **kwargs):
context = super(UpdateMetadataView, self).get_context_data(**kwargs)
extra_specs_dict = self.get_object()
context['existing_metadata'] = json.dumps(extra_specs_dict)
resource_type = 'OS::Nova::Flavor'
namespaces = []
try:
# metadefs_namespace_list() returns a tuple with list as 1st elem
namespaces = [
api.glance.metadefs_namespace_get(self.request, x.namespace,
resource_type)
for x in api.glance.metadefs_namespace_list(
self.request,
filters={'resource_types': [resource_type]}
)[0]
]
except Exception:
msg = _('Unable to retrieve available metadata for flavors.')
exceptions.handle(self.request, msg)
context['available_metadata'] = json.dumps({'namespaces': namespaces})
context['id'] = self.kwargs['id']
return context
@memoized.memoized_method
def get_object(self):
flavor_id = self.kwargs['id']
try:
extra_specs = api.nova.flavor_get_extras(self.request, flavor_id)
return dict((i.key, i.value) for i in extra_specs)
except Exception:
msg = _('Unable to retrieve the flavor metadata.')
exceptions.handle(self.request, msg,
redirect=reverse(INDEX_URL))