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

104 lines
3.5 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.
"""
Forms for managing receivers.
"""
import six
import yaml
from django.forms import ValidationError
from django.urls import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from senlin_dashboard.api import senlin
INDEX_URL = "horizon:cluster:receivers:index"
def _populate_receiver_params(name, type_name, cluster_id, action, params):
if not params:
params_dict = {}
else:
try:
params_dict = yaml.safe_load(params)
except Exception as ex:
raise Exception(_('The specified params is not a valid '
'YAML: %s') % six.text_type(ex))
params = {"name": name,
"type": type_name,
"cluster_id": cluster_id,
"action": action,
"params": params_dict}
return params
class CreateReceiverForm(forms.SelfHandlingForm):
name = forms.CharField(max_length=255, label=_("Name"))
cluster_id = forms.ThemableChoiceField(
label=_("Cluster"),
help_text=_("Targeted cluster for this receiver."))
action = forms.CharField(
max_length=255,
label=_("Action"),
help_text=_("Name or ID of the targeted action to be triggered."))
type = forms.ThemableChoiceField(
label=_("Type"),
initial='webhook',
help_text=_("Type of the receiver to create. Default to webhook"))
params = forms.CharField(
label=_("Parameters"),
required=False,
widget=forms.Textarea(attrs={'rows': 4}),
help_text=_("YAML formatted parameters that will be passed to target "
"action when the receiver is triggered."))
def __init__(self, request, *args, **kwargs):
super(CreateReceiverForm, self).__init__(request, *args, **kwargs)
clusters = senlin.cluster_list(request)[0]
self.fields['cluster_id'].choices = (
[("", _("Select Cluster"))] + [(cluster.id, cluster.name)
for cluster in clusters])
type_choices = [
('', _("Select Type")),
("webhook", "webhook"),
]
self.fields['type'].choices = type_choices
def handle(self, request, data):
try:
params = yaml.safe_load(data.get("params"))
except Exception as ex:
raise ValidationError(_('The parameters is not a valid '
'YAML formatted: %s') % six.text_type(ex))
data["params"] = params
try:
receiver = senlin.receiver_create(request, **data)
messages.success(
request,
_('Your receiver %s has been created successfully.') %
data['name'])
return receiver
except Exception as e:
redirect = reverse(INDEX_URL)
msg = _('Unable to create new receiver: %s') % e
exceptions.handle(request, msg, redirect=redirect)
return False