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# 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 logging
from toscaparser.common.exception import ExceptionCollector
from toscaparser.common.exception import UnknownFieldError
from toscaparser.entity_template import EntityTemplate
from toscaparser.triggers import Triggers
from toscaparser.utils import validateutils
SECTIONS = (TYPE, METADATA, DESCRIPTION, PROPERTIES, TARGETS, TRIGGERS) = \
('type', 'metadata', 'description',
'properties', 'targets', 'triggers')
log = logging.getLogger('tosca')
class Policy(EntityTemplate):
'''Policies defined in Topology template.'''
def __init__(self, name, policy, targets=None, targets_type=None,
custom_def=None):
super(Policy, self).__init__(name,
policy,
'policy_type',
custom_def)
self.meta_data = None
if self.METADATA in policy:
self.meta_data = policy.get(self.METADATA)
validateutils.validate_map(self.meta_data)
self.targets_list = targets
self.targets_type = targets_type
self.triggers = self._triggers(policy.get(TRIGGERS))
self.properties = None
if 'properties' in policy:
self.properties = policy['properties']
self._validate_keys()
@property
def targets(self):
return self.entity_tpl.get('targets')
@property
def description(self):
return self.entity_tpl.get('description')
@property
def metadata(self):
return self.entity_tpl.get('metadata')
def get_targets_type(self):
return self.targets_type
def get_targets_list(self):
return self.targets_list
def _triggers(self, triggers):
triggerObjs = []
if triggers:
for name, trigger_tpl in triggers.items():
triggersObj = Triggers(name, trigger_tpl)
triggerObjs.append(triggersObj)
return triggerObjs
def _validate_keys(self):
for key in self.entity_tpl.keys():
if key not in SECTIONS:
ExceptionCollector.appendException(
UnknownFieldError(what='Policy "%s"' % self.name,
field=key))
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