horizon/openstack_dashboard/dashboards/admin/volumes/volume_types/qos_specs/forms.py

71 lines
2.7 KiB
Python

# 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.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
class CreateKeyValuePair(forms.SelfHandlingForm):
# this if for creating a spec key-value pair for an existing QOS Spec
key = forms.CharField(max_length=255, label=_("Key"))
value = forms.CharField(max_length=255, label=_("Value"))
def handle(self, request, data):
qos_spec_id = self.initial['qos_spec_id']
try:
# first retrieve current value of specs
specs = api.cinder.qos_spec_get(request, qos_spec_id)
# now add new key-value pair to list of specs
specs.specs[data['key']] = data['value']
api.cinder.qos_spec_set_keys(request,
qos_spec_id,
specs.specs)
msg = _('Created spec "%s".') % data['key']
messages.success(request, msg)
return True
except Exception:
exceptions.handle(request,
_("Unable to create spec."))
return False
class EditKeyValuePair(forms.SelfHandlingForm):
value = forms.CharField(max_length=255, label=_("Value"))
# update the backend with the new qos spec value
def handle(self, request, data):
key = self.initial['key']
qos_spec_id = self.initial['qos_spec_id']
# build up new 'specs' object with all previous values plus new value
try:
# first retrieve current value of specs
specs = api.cinder.qos_spec_get_keys(request,
qos_spec_id,
raw=True)
specs.specs[key] = data['value']
api.cinder.qos_spec_set_keys(request,
qos_spec_id,
specs.specs)
msg = _('Saved spec "%s".') % key
messages.success(request, msg)
return True
except Exception:
exceptions.handle(request,
_("Unable to edit spec."))
return False