Source code for openstack_dashboard.dashboards.admin.flavors.forms

# 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
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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import json

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


[docs]class UpdateMetadataForm(forms.SelfHandlingForm):
[docs] def handle(self, request, data): id = self.initial['id'] old_metadata = self.initial['metadata'] try: new_metadata = json.loads(self.data['metadata']) metadata = dict( (item['key'], str(item['value'])) for item in new_metadata ) api.nova.flavor_extra_set(request, id, metadata) remove_keys = [key for key in old_metadata if key not in metadata] api.nova.flavor_extra_delete(request, id, remove_keys) message = _('Metadata successfully updated.') messages.success(request, message) except Exception: exceptions.handle(request, _('Unable to update the flavor metadata.')) return False return True