| #!/usr/bin/env python |
| |
| ''' |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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 |
| |
| DEFAULT_COLLECT_INTERVAL = 10 |
| |
| logger = logging.getLogger() |
| |
| class Event: |
| def __init__(self): |
| self._classname = self.__class__.__name__ |
| |
| def get_classname(self): |
| return self._classname |
| |
| def get_collect_interval(self): |
| return DEFAULT_COLLECT_INTERVAL |
| |
| |
| class EmmitEvent(Event): |
| |
| def __init__(self, application_metric_map): |
| Event.__init__(self) |
| self.application_metric_map = application_metric_map |
| |
| def get_emmit_payload(self): |
| return self.application_metric_map.flatten() |
| |
| |
| class HostMetricCollectEvent(Event): |
| |
| def __init__(self, group_config, group_name): |
| Event.__init__(self) |
| self.group_config = group_config |
| self.group_name = group_name |
| try: |
| self.group_interval = group_config['collect_every'] |
| self.metrics = group_config['metrics'] |
| except KeyError, ex: |
| logger.warn('Unable to create event from metric group. {0}'.format( |
| group_config)) |
| raise ex |
| |
| def get_metric_value_thresholds(self): |
| metric_value_thresholds = {} |
| |
| for metric in self.metrics: |
| try: |
| metric_value_thresholds[metric['name']] = metric['value_threshold'] |
| except: |
| logger.warn('Error parsing metric configuration. {0}'.format(metric)) |
| pass |
| |
| return metric_value_thresholds |
| |
| def get_group_name(self): |
| return self.group_name |
| |
| def get_collect_interval(self): |
| return int(self.group_interval if self.group_interval else DEFAULT_COLLECT_INTERVAL) |
| |
| class ProcessMetricCollectEvent: |
| |
| def __init__(self, group_config, group_name): |
| # Initialize the Process metric event |
| pass |