121 lines
4.0 KiB
Python
121 lines
4.0 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 policies.
|
|
"""
|
|
|
|
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:policies:index"
|
|
CREATE_URL = "horizon:cluster:policies:create"
|
|
DETAIL_URL = "horizon:cluster:policies:detail"
|
|
UPDATE_URL = "horizon:cluster:policies:update"
|
|
|
|
|
|
def _populate_policy_params(name, spec, cooldown, level):
|
|
if not spec:
|
|
spec_dict = {}
|
|
else:
|
|
try:
|
|
spec_dict = yaml.safe_load(spec)
|
|
except Exception as ex:
|
|
raise Exception(_('The specified spec is not a valid '
|
|
'YAML: %s') % ex)
|
|
params = {"name": name,
|
|
"spec": spec_dict,
|
|
"cooldown": cooldown,
|
|
"level": level}
|
|
|
|
return params
|
|
|
|
|
|
class CreatePolicyForm(forms.SelfHandlingForm):
|
|
name = forms.CharField(max_length=255, label=_("Name"))
|
|
spec = forms.CharField(
|
|
label=_("Spec"),
|
|
widget=forms.Textarea(attrs={'rows': 6}),
|
|
help_text=_("The spec yaml used to create the policy."))
|
|
cooldown = forms.IntegerField(
|
|
label=_("Cooldown"),
|
|
min_value=0,
|
|
initial=0,
|
|
widget=forms.HiddenInput(),
|
|
help_text=_("An integer indicating the cooldown seconds "
|
|
"once the policy is effected. Default to 0."))
|
|
level = forms.IntegerField(
|
|
label=_("Level"),
|
|
min_value=0,
|
|
max_value=100,
|
|
initial=0,
|
|
widget=forms.HiddenInput(),
|
|
help_text=_("An integer between 0 and 100 representing the "
|
|
"enforcement level. Default to 0."))
|
|
|
|
def handle(self, request, data):
|
|
try:
|
|
policy_spec = yaml.safe_load(data.get('spec'))
|
|
except Exception as ex:
|
|
raise Exception(_('The specified data is not a valid '
|
|
'YAML data: %s') % ex)
|
|
args = {
|
|
'name': data.get('name'),
|
|
'spec': policy_spec,
|
|
'cooldown': data.get('cooldown'),
|
|
'level': data.get('level'),
|
|
}
|
|
|
|
try:
|
|
policy = senlin.policy_create(request, **args)
|
|
messages.success(request,
|
|
_('Your policy %s has been created.') %
|
|
args['name'])
|
|
return policy
|
|
except Exception:
|
|
redirect = reverse(INDEX_URL)
|
|
msg = _('Unable to create new policy.')
|
|
exceptions.handle(request, msg, redirect=redirect)
|
|
return False
|
|
|
|
|
|
class UpdatePolicyForm(forms.SelfHandlingForm):
|
|
policy_id = forms.CharField(widget=forms.HiddenInput())
|
|
name = forms.CharField(max_length=255, label=_("Name"))
|
|
|
|
def handle(self, request, data):
|
|
params = {"name": data.get('name')}
|
|
|
|
try:
|
|
senlin.policy_update(request, data.get('policy_id'), **params)
|
|
messages.success(request,
|
|
_('Your policy %s has been updated.') %
|
|
params['name'])
|
|
return True
|
|
except ValidationError as e:
|
|
self.api_error(e.messages[0])
|
|
return False
|
|
except Exception:
|
|
redirect = reverse(INDEX_URL)
|
|
msg = _('Unable to update policy.')
|
|
exceptions.handle(request, msg, redirect=redirect)
|
|
return False
|