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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 InvalidPropertyValueError
from translator.hot.syntax.hot_resource import HotResource
# Name used to dynamically load appropriate map class.
TARGET_CLASS_NAME = 'ToscaMonitoring'
log = logging.getLogger('heat-translator')
ALARM_STATISTIC = {'average': 'avg', 'summary': 'sum',
'maximum': 'max', 'minimum': 'min'}
class ToscaMonitoring(HotResource):
'''Translate TOSCA node type tosca.policies.Monitoring'''
toscatype = 'tosca.policies.Monitoring'
def __init__(self, policy, csar_dir=None):
hot_type = "OS::Aodh::Alarm"
super(ToscaMonitoring, self).__init__(policy,
type=hot_type,
csar_dir=csar_dir)
self.policy = policy
self.filter = list()
def handle_expansion(self):
'''handle monitoring resources in case of multiple triggers'''
extra_resources = list()
extra_triggers = self.policy.entity_tpl["triggers"]
for trigger_name, trigger_dict in extra_triggers.items():
if trigger_name not in self.filter:
self.filter.append(trigger_name)
prop = self._get_monitoring_prop(trigger_dict)
mon_resources = HotResource(self.nodetemplate,
type='OS::Aodh::Alarm',
name=trigger_name,
properties=prop)
extra_resources.append(mon_resources)
return extra_resources
def handle_properties(self):
self.properties = {}
if self.policy.entity_tpl.get('triggers'):
triggers = self.policy.entity_tpl["triggers"]
trigger_name, trigger_dict = list(triggers.items())[0]
self.filter.append(trigger_name)
self.properties = self._get_monitoring_prop(trigger_dict)
self.name = trigger_name
return self.properties
def _get_monitoring_prop(self, trigger):
sample = trigger.get('condition')
prop = dict()
prop["description"] = sample.get('constraint')
prop["meter_name"] = trigger.get('meter_name')
if sample.get('method') not in ALARM_STATISTIC:
msg = _('method should be one of given statistics')
log.error(msg)
raise InvalidPropertyValueError(what=msg)
prop["statistic"] = ALARM_STATISTIC[sample["method"]]
prop["period"] = sample.get("period")
prop["threshold"] = sample.get("threshold")
prop["comparison_operator"] = sample.get('comparison_operator')
prop['evaluation_periods'] = sample.get('evaluations')
return prop
def embed_substack_templates(self, hot_template_version):
pass
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