deb-heat/heat/engine/parameter_groups.py
Zane Bitter db7ab8de2c Get rid of bogus debug logging in parameter groups
This didn't log anything useful, just a couple of object pointers. Mostly
it was just noise.

Change-Id: Icb3cbd9383d06be4674e56713d81d14fb90efa5a
2015-12-04 19:56:56 -05:00

88 lines
3.9 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 oslo_log import log as logging
from heat.common import exception
from heat.common.i18n import _
LOG = logging.getLogger(__name__)
PARAMETER_GROUPS = 'parameter_groups'
PARAMETERS = 'parameters'
class ParameterGroups(object):
"""The ParameterGroups specified by the stack's template."""
def __init__(self, tmpl):
self.tmpl = tmpl
self.parameters = tmpl.parameters(None, {}, param_defaults={})
self.parameter_names = []
if self.parameters:
self.parameter_names = [param for param in self.parameters]
self.parameter_groups = tmpl.get(PARAMETER_GROUPS)
def validate(self):
"""Validate the parameter group.
Validate that each parameter belongs to only one Parameter Group and
that each parameter name in the group references a valid parameter.
"""
LOG.debug('Validating Parameter Groups: %s',
', '.join(self.parameter_names))
if self.parameter_groups:
if not isinstance(self.parameter_groups, list):
raise exception.StackValidationFailed(
error=_('Parameter Groups error'),
path=[PARAMETER_GROUPS],
message=_('The %s should be a list.') % PARAMETER_GROUPS)
# Loop through groups and validate parameters
grouped_parameters = []
for group in self.parameter_groups:
parameters = group.get(PARAMETERS)
if parameters is None:
raise exception.StackValidationFailed(
error=_('Parameter Groups error'),
path=[PARAMETER_GROUPS, group.get('label', '')],
message=_('The %s must be provided for '
'each parameter group.') % PARAMETERS)
if not isinstance(parameters, list):
raise exception.StackValidationFailed(
error=_('Parameter Groups error'),
path=[PARAMETER_GROUPS, group.get('label', '')],
message=_('The %s of parameter group '
'should be a list.') % PARAMETERS)
for param in parameters:
# Check if param has been added to a previous group
if param in grouped_parameters:
raise exception.StackValidationFailed(
error=_('Parameter Groups error'),
path=[PARAMETER_GROUPS, group.get('label', '')],
message=_(
'The %s parameter must be assigned to one '
'parameter group only.') % param)
else:
grouped_parameters.append(param)
# Check that grouped parameter references a valid Parameter
if param not in self.parameter_names:
raise exception.StackValidationFailed(
error=_('Parameter Groups error'),
path=[PARAMETER_GROUPS, group.get('label', '')],
message=_(
'The grouped parameter %s does not reference '
'a valid parameter.') % param)