Source code for openstack_dashboard.dashboards.admin.volumes.volume_types.qos_specs.views
# 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.
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon.utils.memoized import memoized # noqa
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.volumes.volume_types.qos_specs \
import forms as project_forms
from openstack_dashboard.dashboards.admin.volumes.volume_types.qos_specs \
import tables as project_tables
[docs]class QosSpecMixin(object):
@memoized
[docs] def get_context_data(self, **kwargs):
context = super(QosSpecMixin, self).get_context_data(**kwargs)
# Note the use of self.kwargs instead of the parameter kwargs.
# This is needed for consistency when dealing with both
# index views and forms (i,e, EditView). With forms,
# the parameter kwargs contains form layout information,
# not key data that is needed here.
if 'key' in self.kwargs:
# needed for edit function
context['key'] = self.kwargs['key']
if 'qos_spec_id' in self.kwargs:
context['qos_spec_id'] = self.kwargs['qos_spec_id']
qos_spec_id = context['qos_spec_id']
try:
qos_list = api.cinder.qos_spec_get(self.request, qos_spec_id)
context['qos_spec_name'] = qos_list.name
except Exception:
context['qos_spec_name'] = _('undefined')
return context
[docs]class IndexView(QosSpecMixin, forms.ModalFormMixin, tables.DataTableView):
table_class = project_tables.SpecsTable
template_name = 'admin/volumes/volume_types/qos_specs/index.html'
page_title = _("QoS Spec: {{ qos_spec_name }}")
[docs] def get_data(self):
try:
qos_spec_id = self.kwargs['qos_spec_id']
qos_list = api.cinder.qos_spec_get_keys(self.request, qos_spec_id)
except Exception:
qos_list = []
exceptions.handle(self.request,
_('Unable to retrieve QoS spec list.'))
return qos_list
[docs]class CreateKeyValuePairView(QosSpecMixin, forms.ModalFormView):
# this for creating a spec key-value pair for an existing QOS Spec
form_class = project_forms.CreateKeyValuePair
form_id = "extra_spec_create_form"
modal_header = _("Create Spec")
modal_id = "qos_spec_create_modal"
template_name = 'admin/volumes/volume_types/qos_specs/create.html'
submit_label = _("Create")
submit_url = "horizon:admin:volumes:volume_types:qos_specs:create"
url = 'horizon:admin:volumes:volume_types_tab'
page_title = _("Spec: {{ qos_spec_name }}")
[docs] def get_initial(self):
qos_spec_id = self.kwargs['qos_spec_id']
return {'qos_spec_id': qos_spec_id}
[docs] def get_success_url(self):
return reverse(self.url)
[docs] def get_context_data(self, **kwargs):
context = super(CreateKeyValuePairView, self).\
get_context_data(**kwargs)
args = (self.kwargs['qos_spec_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
context['cancel_url'] = reverse(self.url)
return context
[docs]class EditKeyValuePairView(QosSpecMixin, forms.ModalFormView):
form_class = project_forms.EditKeyValuePair
form_id = "qos_spec_edit_form"
modal_header = _("Edit Spec Value")
modal_id = "qos_spec_edit_modal"
template_name = 'admin/volumes/volume_types/qos_specs/edit.html'
submit_label = _("Save")
submit_url = "horizon:admin:volumes:volume_types:qos_specs:edit"
url = 'horizon:admin:volumes:volume_types_tab'
page_title = _("QoS Spec: {{ qos_spec_name }}")
[docs] def get_success_url(self):
return reverse(self.url)
[docs] def get_initial(self):
qos_spec_id = self.kwargs['qos_spec_id']
key = self.kwargs['key']
try:
qos_specs = api.cinder.qos_spec_get(self.request, qos_spec_id)
except Exception:
qos_specs = {}
exceptions.handle(self.request,
_('Unable to retrieve QoS spec '
'details.'))
return {'qos_spec_id': qos_spec_id,
'key': key,
'value': qos_specs.specs.get(key, '')}
[docs] def get_context_data(self, **kwargs):
context = super(EditKeyValuePairView, self).get_context_data(**kwargs)
args = (self.kwargs['qos_spec_id'], self.kwargs['key'],)
context['submit_url'] = reverse(self.submit_url, args=args)
context['cancel_url'] = reverse(self.url)
return context