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# Copyright (c) 2013 Mirantis, Inc.
#
# 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.
import ast
from django.conf import settings
from django import forms
from django.utils.translation import gettext_lazy as _
from horizon import exceptions
from horizon import forms as horizon_forms
from horizon import messages
from oslo_log import log as logging
from muranoclient.common import exceptions as exc
from muranodashboard.common import net
from muranodashboard.environments import api
LOG = logging.getLogger(__name__)
ENV_NAME_HELP_TEXT = _("Environment name must contain at least one "
"non-white space symbol.")
class CreateEnvironmentForm(horizon_forms.SelfHandlingForm):
name = forms.CharField(label=_("Environment Name"),
help_text=ENV_NAME_HELP_TEXT,
max_length=255)
net_config = horizon_forms.ThemableChoiceField(
label=_("Environment Default Network"))
def __init__(self, request, *args, **kwargs):
super(CreateEnvironmentForm, self).__init__(request, *args, **kwargs)
env_fixed_network = getattr(settings, 'USE_FIXED_NETWORK', False)
if env_fixed_network:
net_choices = net.get_project_assigned_network(request)
help_text = None
if not net_choices:
msg = _("Default network is either not specified for "
"this project, or specified incorrectly, "
"please contact administrator.")
messages.error(request, msg)
raise exceptions.ConfigurationError(msg)
else:
self.fields['net_config'].required = False
self.fields['net_config'].widget.attrs['readonly'] = True
else:
net_choices = net.get_available_networks(
request,
murano_networks='translate')
if net_choices is None: # NovaNetwork case
net_choices = [((None, None), _('Unavailable'))]
help_text = net.NN_HELP
else:
net_choices.insert(0, ((None, None), _('Create New')))
help_text = net.NEUTRON_NET_HELP
self.fields['net_config'].choices = net_choices
self.fields['net_config'].help_text = help_text
def clean(self):
cleaned_data = super(CreateEnvironmentForm, self).clean()
env_name = cleaned_data.get('name')
if not env_name or not env_name.strip():
self._errors['name'] = self.error_class([ENV_NAME_HELP_TEXT])
return cleaned_data
def handle(self, request, data):
try:
net_config = ast.literal_eval(data.pop('net_config'))
if net_config[0] is not None:
data.update(net.generate_join_existing_net(net_config))
env = api.environment_create(request, data)
request.session['env_id'] = env.id
messages.success(request,
u'Created environment "{0}"'.format(data['name']))
return True
except exc.HTTPConflict:
msg = _('Environment with specified name already exists')
LOG.exception(msg)
exceptions.handle(request, ignore=True)
messages.error(request, msg)
return False
except Exception:
msg = _('Failed to create environment')
LOG.exception(msg)
exceptions.handle(request)
messages.error(request, msg)
return False
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