# 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.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon.utils import memoized
from horizon import views
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.volumes.volume_types \
import forms as volume_types_forms
[docs]class CreateVolumeTypeView(forms.ModalFormView):
form_class = volume_types_forms.CreateVolumeType
modal_header = _("Create Volume Type")
modal_id = "create_volume_type_modal"
template_name = 'admin/volumes/volume_types/create_volume_type.html'
submit_label = _("Create Volume Type")
submit_url = reverse_lazy("horizon:admin:volumes:volume_types:create_type")
success_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
page_title = _("Create a Volume Type")
[docs]class VolumeTypeEncryptionDetailView(views.HorizonTemplateView):
template_name = ("admin/volumes/volume_types"
"/volume_encryption_type_detail.html")
page_title = _("Volume Type Encryption Details")
[docs] def get_context_data(self, **kwargs):
context = super(VolumeTypeEncryptionDetailView, self).\
get_context_data(**kwargs)
context["volume_type_encryption"] = self.get_data()
return context
@memoized.memoized_method
[docs] def get_data(self):
try:
volume_type_id = self.kwargs['volume_type_id']
self._volume_type_encryption = api.cinder.\
volume_encryption_type_get(self.request, volume_type_id)
volume_type_list = api.cinder.volume_type_list(self.request)
for volume_type in volume_type_list:
if volume_type.id == volume_type_id:
self.name = volume_type.name
self._volume_type_encryption.name = self.name
except Exception:
redirect = reverse('horizon:admin:volumes:index')
exceptions.handle(self.request,
_('Unable to retrieve volume type encryption'
' details.'),
redirect=redirect)
return None
return self._volume_type_encryption
[docs]class CreateVolumeTypeEncryptionView(forms.ModalFormView):
form_class = volume_types_forms.CreateVolumeTypeEncryption
form_id = "create_volume_form"
modal_header = _("Create Volume Type Encryption")
modal_id = "create_volume_type_modal"
template_name = ("admin/volumes/volume_types/"
"create_volume_type_encryption.html")
submit_label = _("Create Volume Type Encryption")
submit_url = "horizon:admin:volumes:volume_types:create_type_encryption"
success_url = reverse_lazy('horizon:admin:volumes:index')
page_title = _("Create an Encrypted Volume Type")
@memoized.memoized_method
[docs] def get_name(self):
if not hasattr(self, "name"):
self.name = _get_volume_type_name(self.request, self.kwargs)
return self.name
[docs] def get_context_data(self, **kwargs):
context = super(CreateVolumeTypeEncryptionView, self).\
get_context_data(**kwargs)
context['volume_type_id'] = self.kwargs['volume_type_id']
args = (self.kwargs['volume_type_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
[docs] def get_initial(self):
name = self.get_name()
return {'name': name,
'volume_type_id': self.kwargs['volume_type_id']}
[docs]class EditVolumeTypeView(forms.ModalFormView):
form_class = volume_types_forms.EditVolumeType
template_name = 'admin/volumes/volume_types/update_volume_type.html'
success_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
cancel_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
submit_label = _('Edit')
@memoized.memoized_method
[docs] def get_data(self):
try:
volume_type_id = self.kwargs['type_id']
volume_type = api.cinder.volume_type_get(self.request,
volume_type_id)
except Exception:
error_message = _(
'Unable to retrieve volume type for: "%s"') \
% volume_type_id
exceptions.handle(self.request,
error_message,
redirect=self.success_url)
return volume_type
[docs] def get_context_data(self, **kwargs):
context = super(EditVolumeTypeView, self).get_context_data(**kwargs)
context['volume_type'] = self.get_data()
return context
[docs] def get_initial(self):
volume_type = self.get_data()
return {'id': self.kwargs['type_id'],
'name': volume_type.name,
'description': getattr(volume_type, 'description', "")}
def _get_volume_type_name(request, kwargs):
try:
volume_type_list = api.cinder.volume_type_list(request)
for volume_type in volume_type_list:
if volume_type.id == kwargs['volume_type_id']:
return volume_type.name
except Exception:
msg = _('Unable to retrieve volume type name.')
url = reverse('horizon:admin:volumes:index')
exceptions.handle(request, msg, redirect=url)
[docs]class UpdateVolumeTypeEncryptionView(forms.ModalFormView):
form_class = volume_types_forms.UpdateVolumeTypeEncryption
form_id = "update_volume_form"
modal_header = _("Update Volume Type Encryption")
modal_id = "update_volume_type_modal"
template_name = ("admin/volumes/volume_types/"
"update_volume_type_encryption.html")
page_title = _("Update an Encrypted Volume Type")
submit_label = _("Update Volume Type Encryption")
submit_url = "horizon:admin:volumes:volume_types:update_type_encryption"
success_url = reverse_lazy('horizon:admin:volumes:index')
[docs] def get_object(self):
if not hasattr(self, "_object"):
try:
self._object = api.cinder.\
volume_encryption_type_get(self.request,
self.kwargs['volume_type_id'])
except Exception:
msg = _('Unable to retrieve encryption type.')
url = reverse('horizon:admin:volumes:index')
exceptions.handle(self.request, msg, redirect=url)
return self._object
@memoized.memoized_method
[docs] def get_name(self):
if not hasattr(self, "name"):
self.name = _get_volume_type_name(self.request, self.kwargs)
return self.name
[docs] def get_context_data(self, **kwargs):
context = super(UpdateVolumeTypeEncryptionView, self).\
get_context_data(**kwargs)
context['volume_type_id'] = self.kwargs['volume_type_id']
args = (self.kwargs['volume_type_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
[docs] def get_initial(self):
encryption_type = self.get_object()
name = self.get_name()
return {'volume_type_id': encryption_type.volume_type_id,
'control_location': encryption_type.control_location,
'key_size': encryption_type.key_size,
'provider': encryption_type.provider,
'cipher': encryption_type.cipher,
'name': name}
[docs]class CreateQosSpecView(forms.ModalFormView):
form_class = volume_types_forms.CreateQosSpec
modal_header = _("Create QoS Spec")
modal_id = "create_volume_type_modal"
template_name = 'admin/volumes/volume_types/create_qos_spec.html'
success_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
page_title = _("Create a QoS Spec")
submit_label = _("Create")
submit_url = reverse_lazy(
"horizon:admin:volumes:volume_types:create_qos_spec")
[docs]class EditQosSpecConsumerView(forms.ModalFormView):
form_class = volume_types_forms.EditQosSpecConsumer
modal_header = _("Edit Consumer of QoS Spec")
modal_id = "edit_qos_spec_modal"
template_name = 'admin/volumes/volume_types/edit_qos_spec_consumer.html'
submit_label = _("Modify Consumer")
submit_url = "horizon:admin:volumes:volume_types:edit_qos_spec_consumer"
success_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
page_title = _("Edit QoS Spec Consumer")
[docs] def get_context_data(self, **kwargs):
context = super(EditQosSpecConsumerView, self).\
get_context_data(**kwargs)
context['qos_spec_id'] = self.kwargs["qos_spec_id"]
args = (self.kwargs['qos_spec_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
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_types_forms.ManageQosSpecAssociation
modal_header = _("Associate QoS Spec with Volume Type")
modal_id = "associate_qos_spec_modal"
template_name = 'admin/volumes/volume_types/associate_qos_spec.html'
submit_label = _("Associate")
submit_url = "horizon:admin:volumes:volume_types:"\
"manage_qos_spec_association"
success_url = reverse_lazy('horizon:admin:volumes:volume_types_tab')
page_title = _("Associate QoS Spec with Volume Type")
[docs] def get_context_data(self, **kwargs):
context = super(ManageQosSpecAssociationView, self).\
get_context_data(**kwargs)
context['type_id'] = self.kwargs["type_id"]
args = (self.kwargs['type_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
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()}