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

#
#    (c) Copyright 2014 Hewlett-Packard Development Company, L.P.
#
#    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.

"""
Forms for managing metadata.
"""
import json

from django.forms import ValidationError  # noqa
from django.utils.translation import ugettext_lazy as _

from horizon import exceptions
from horizon import forms
from horizon import messages

from openstack_dashboard.api import glance
from openstack_dashboard.dashboards.admin.metadata_defs \
    import constants


[docs]class CreateNamespaceForm(forms.SelfHandlingForm): source_type = forms.ChoiceField( label=_('Namespace Definition Source'), required=False, choices=[('file', _('Metadata Definition File')), ('raw', _('Direct Input'))], widget=forms.Select( attrs={'class': 'switchable', 'data-slug': 'source'})) metadef_file = forms.FileField( label=_("Metadata Definition File"), help_text=_("A local metadata definition file to upload."), widget=forms.FileInput( attrs={'class': 'switched', 'data-switch-on': 'source', 'data-source-file': _('Metadata Definition File')}), required=False) direct_input = forms.CharField( label=_('Namespace JSON'), help_text=_('The JSON formatted contents of a namespace.'), widget=forms.widgets.Textarea( attrs={'class': 'switched', 'data-switch-on': 'source', 'data-source-raw': _('Namespace JSON')}), required=False) public = forms.BooleanField(label=_("Public"), required=False) protected = forms.BooleanField(label=_("Protected"), required=False) def __init__(self, request, *args, **kwargs): super(CreateNamespaceForm, self).__init__(request, *args, **kwargs)
[docs] def clean(self): data = super(CreateNamespaceForm, self).clean() # The key can be missing based on particular upload # conditions. Code defensively for it here... metadef_file = data.get('metadef_file', None) metadata_raw = data.get('direct_input', None) if metadata_raw and metadef_file: raise ValidationError( _("Cannot specify both file and direct input.")) if not metadata_raw and not metadef_file: raise ValidationError( _("No input was provided for the namespace content.")) try: if metadef_file: ns_str = self.files['metadef_file'].read() else: ns_str = data['direct_input'] namespace = json.loads(ns_str) if data['public']: namespace['visibility'] = 'public' else: namespace['visibility'] = 'private' namespace['protected'] = data['protected'] for protected_prop in constants.METADEFS_PROTECTED_PROPS: namespace.pop(protected_prop, None) data['namespace'] = namespace except Exception as e: msg = _('There was a problem loading the namespace: %s.') % e raise forms.ValidationError(msg) return data
[docs] def handle(self, request, data): try: namespace = glance.metadefs_namespace_create(request, data['namespace']) messages.success(request, _('Namespace %s has been created.') % namespace['namespace']) return namespace except Exception as e: msg = _('Unable to create new namespace. %s') msg %= e.message.split('Failed validating', 1)[0] exceptions.handle(request, message=msg) return False
[docs]class ManageResourceTypesForm(forms.SelfHandlingForm): def __init__(self, request, *args, **kwargs): super(ManageResourceTypesForm, self).__init__(request, *args, **kwargs)
[docs] def handle(self, request, context): namespace_name = self.initial['id'] current_names = self.get_names(self.initial['resource_types']) try: updated_types = json.loads(self.data['resource_types']) selected_types = [updated_type for updated_type in updated_types if updated_type.pop('selected', False)] for current_name in current_names: glance.metadefs_namespace_remove_resource_type( self.request, namespace_name, current_name) for selected_type in selected_types: selected_type.pop('$$hashKey', None) selected_type.pop('created_at', None) selected_type.pop('updated_at', None) glance.metadefs_namespace_add_resource_type( self.request, namespace_name, selected_type) msg = _('Resource types updated for namespace %s.') msg %= namespace_name messages.success(request, msg) except Exception: msg = _('Error updating resource types for namespace %s.') msg %= namespace_name exceptions.handle(request, msg) return False return True
[docs] def get_names(self, items): return [item['name'] for item in items]

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