apmec-horizon/apmec_horizon/openstack_dashboard/dashboards/mec/mescatalog/forms.py

106 lines
4.2 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.forms import ValidationError
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from apmec_horizon.openstack_dashboard import api
class OnBoardMES(forms.SelfHandlingForm):
name = forms.CharField(max_length=255, label=_("Name"))
description = forms.CharField(widget=forms.widgets.Textarea(
attrs={'rows': 4}),
label=_("Description"),
required=False)
source_type = forms.ChoiceField(
label=_('TOSCA Template Source'),
required=False,
choices=[('file', _('TOSCA Template File')),
('raw', _('Direct Input'))],
widget=forms.Select(
attrs={'class': 'switchable', 'data-slug': 'source'}))
toscal_file = forms.FileField(
label=_("TOSCA Template File"),
help_text=_("A local TOSCA template file to upload."),
widget=forms.FileInput(
attrs={'class': 'switched', 'data-switch-on': 'source',
'data-source-file': _('TOSCA Template File')}),
required=False)
direct_input = forms.CharField(
label=_('TOSCA YAML'),
help_text=_('The YAML formatted contents of a TOSCA template.'),
widget=forms.widgets.Textarea(
attrs={'class': 'switched', 'data-switch-on': 'source',
'data-source-raw': _('TOSCA YAML')}),
required=False)
def __init__(self, request, *args, **kwargs):
super(OnBoardMES, self).__init__(request, *args, **kwargs)
def clean(self):
data = super(OnBoardMES, self).clean()
# The key can be missing based on particular upload
# conditions. Code defensively for it here...
toscal_file = data.get('toscal_file', None)
toscal_raw = data.get('direct_input', None)
source_type = data.get("source_type")
if source_type == "file" and not toscal_file:
raise ValidationError(
_("No TOSCA template file selected."))
if source_type == "raw" and not toscal_raw:
raise ValidationError(
_("No direct input specified."))
if toscal_file and not toscal_file.name.endswith(('.yaml', '.csar')):
raise ValidationError(_("Only .yaml or .csar file uploads \
are supported"))
try:
if toscal_file:
toscal_str = self.files['toscal_file'].read()
else:
toscal_str = data['direct_input']
# toscal = yaml.loads(toscal_str)
data['tosca'] = toscal_str
except Exception as e:
msg = _('There was a problem loading the namespace: %s.') % e
raise forms.ValidationError(msg)
return data
def handle(self, request, data):
try:
toscal = data['tosca']
mesd_name = data['name']
mesd_description = data['description']
tosca_arg = {'mesd': {'name': mesd_name,
'description': mesd_description,
'attributes': {'mesd': toscal}}}
mesd_instance = api.apmec.create_mesd(request, tosca_arg)
messages.success(request,
_('MES Catalog entry %s has been created.') %
mesd_instance['mesd']['name'])
return toscal
except Exception as e:
msg = _('Unable to create TOSCA. %s')
msg %= e.message.split('Failed validating', 1)[0]
exceptions.handle(request, message=msg)
return False