Source code for openstack_dashboard.dashboards.admin.volumes.volume_types.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.
"""
Admin views for managing volumes.
"""
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon.utils import memoized
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.volumes.volume_types \
import forms as volume_type_forms
from openstack_dashboard.dashboards.admin.volumes.volumes \
import forms as volumes_forms
[docs]class CreateVolumeTypeView(forms.ModalFormView):
form_class = volumes_forms.CreateVolumeType
template_name = 'admin/volumes/volume_types/create_volume_type.html'
success_url = 'horizon:admin:volumes:volume_types_tab'
[docs] def get_success_url(self):
return reverse(self.success_url)
[docs]class CreateQosSpecView(forms.ModalFormView):
form_class = volumes_forms.CreateQosSpec
template_name = 'admin/volumes/volume_types/create_qos_spec.html'
success_url = 'horizon:admin:volumes:volume_types_tab'
[docs] def get_success_url(self):
return reverse(self.success_url)
[docs]class EditQosSpecConsumerView(forms.ModalFormView):
form_class = volume_type_forms.EditQosSpecConsumer
template_name = 'admin/volumes/volume_types/edit_qos_spec_consumer.html'
success_url = 'horizon:admin:volumes:volume_types_tab'
[docs] def get_success_url(self):
return reverse(self.success_url)
[docs] def get_context_data(self, **kwargs):
context = super(EditQosSpecConsumerView, self).\
get_context_data(**kwargs)
context['qos_spec_id'] = self.kwargs["qos_spec_id"]
return context
@memoized.memoized_method
[docs] def get_object(self, *args, **kwargs):
qos_spec_id = self.kwargs['qos_spec_id']
try:
self._object = api.cinder.qos_spec_get(self.request, qos_spec_id)
except Exception:
msg = _('Unable to retrieve QOS Spec details.')
exceptions.handle(self.request, msg)
return self._object
[docs] def get_initial(self):
qos_spec = self.get_object()
qos_spec_id = self.kwargs['qos_spec_id']
return {'qos_spec_id': qos_spec_id,
'qos_spec': qos_spec}
[docs]class ManageQosSpecAssociationView(forms.ModalFormView):
form_class = volume_type_forms.ManageQosSpecAssociation
template_name = 'admin/volumes/volume_types/associate_qos_spec.html'
success_url = 'horizon:admin:volumes:volume_types_tab'
[docs] def get_success_url(self):
return reverse(self.success_url)
[docs] def get_context_data(self, **kwargs):
context = super(ManageQosSpecAssociationView, self).\
get_context_data(**kwargs)
context['type_id'] = self.kwargs["type_id"]
return context
@memoized.memoized_method
[docs] def get_object(self, *args, **kwargs):
type_id = self.kwargs['type_id']
try:
self._object = api.cinder.volume_type_get(self.request, type_id)
except Exception:
msg = _('Unable to retrieve volume type details.')
exceptions.handle(self.request, msg)
return self._object
@memoized.memoized_method
[docs] def get_qos_specs(self, *args, **kwargs):
try:
return api.cinder.qos_spec_list(self.request)
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve QOS Specs.'))
[docs] def find_current_qos_spec_association(self, vol_type_id):
qos_specs = self.get_qos_specs()
if qos_specs:
try:
# find out which QOS Spec is currently associated with this
# volume type, if any
# NOTE - volume type can only have ONE QOS Spec association
for qos_spec in qos_specs:
type_ids = \
api.cinder.qos_spec_get_associations(self.request,
qos_spec.id)
for vtype in type_ids:
if vtype.id == vol_type_id:
return qos_spec
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve QOS Spec association.'))
return None
[docs] def get_initial(self):
volume_type = self.get_object()
vol_type_id = self.kwargs['type_id']
cur_qos_spec_id = None
cur_qos_spec_name = None
qos_spec = self.find_current_qos_spec_association(vol_type_id)
if qos_spec:
cur_qos_spec_id = qos_spec.id
cur_qos_spec_name = qos_spec.name
return {'type_id': vol_type_id,
'name': getattr(volume_type, 'name', None),
'cur_qos_spec_id': cur_qos_spec_id,
'cur_qos_spec_name': cur_qos_spec_name,
'qos_specs': self.get_qos_specs()}