senlin-dashboard/senlin_dashboard/cluster/nodes/forms.py

83 lines
3.1 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.
import six
import yaml
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from horizon.utils.memoized import memoized # noqa
from senlin_dashboard.api import senlin
class CreateForm(forms.SelfHandlingForm):
name = forms.CharField(max_length=255, label=_("Node Name"))
profile_id = forms.ChoiceField(
label=_("Profile"),
help_text=_("Profile used for this node."))
cluster_id = forms.ChoiceField(
label=_("Cluster"),
required=False,
help_text=_("Cluster for this node."))
role = forms.CharField(
max_length=255,
label=_("Role"),
required=False,
help_text=_("Role for this node in the specific cluster."))
metadata = forms.CharField(
label=_("Metadata"),
required=False,
help_text=_("YAML formatted metadata."),
widget=forms.Textarea(attrs={'rows': 4}))
def __init__(self, request, *args, **kwargs):
super(CreateForm, self).__init__(request, *args, **kwargs)
profiles = senlin.profile_list(request, params={})
self.fields['profile_id'].choices = (
[("", _("Select Profile"))] + [(profile.id, profile.name)
for profile in profiles])
clusters = senlin.cluster_list(request, params={})
self.fields['cluster_id'].choices = (
[("", _("Select Cluster"))] + [(cluster.id, cluster.name)
for cluster in clusters])
def handle(self, request, data):
try:
if not data['metadata']:
metadata = {}
else:
try:
metadata = yaml.load(data['metadata'])
except Exception as ex:
raise Exception(_('The specified metadata is not a valid '
'YAML: %s') % six.text_type(ex))
data['metadata'] = metadata
data['cluster_id'] = data['cluster_id'] or None
data['role'] = data['role'] or None
node = senlin.node_create(request, data)
msg = _('Creating node "%s" successfully') % data['name']
messages.info(request, msg)
return node
except Exception:
redirect = reverse("horizon:cluster:nodes:index")
exceptions.handle(request,
_("Unable to create node."),
redirect=redirect)