plugins/OpenStack/Aodh/plugin_instance.py

   1 # Copyright 2017 Intel Research and Development Ireland Limited
   2 # *************************************************************
   3
   4 # This file is part of OSM Monitoring module
   5 # All Rights Reserved to Intel Corporation
   6
   7 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   8 # not use this file except in compliance with the License. You may obtain
   9 # a copy of the License at
  10
  11 #         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  15 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  16 # License for the specific language governing permissions and limitations
  17 # under the License.
  18
  19 # For those usages not covered by the Apache License, Version 2.0 please
  20 # contact: helena.mcgough@intel.com or adrian.hoban@intel.com
  21 ##
  22 """Aodh plugin for the OSM monitoring module."""
  23
  24 import logging as log
  25 try:
  26     import aodhclient
  27 except ImportError:
  28     log.warn("Failed to import the aodhclient")
  29
  30 from plugins.OpenStack.Aodh.alarming import Alarming
  31 from plugins.OpenStack.settings import Config
  32
  33 __author__ = "Helena McGough"
  34
  35
  36 def register_plugin():
  37     """Register the plugin."""
  38     # Initialize configuration and notifications
  39     config = Config.instance()
  40
  41     # Intialize plugin
  42     instance = Plugin(config=config)
  43     instance.config()
  44     instance.alarm()
  45
  46
  47 class Plugin(object):
  48     """Aodh plugin for OSM MON."""
  49
  50     def __init__(self, config):
  51         """Plugin instance."""
  52         log.info("Initialze the plugin instance.")
  53         self._config = config
  54         self._alarming = Alarming()
  55
  56     def config(self):
  57         """Configure plugin."""
  58         log.info("Configure the plugin instance.")
  59         self._config.read_environ("aodh")
  60
  61     def alarm(self):
  62         """Allow alarm info to be received from Aodh."""
  63         log.info("Begin alarm functionality.")
  64         self._alarming.alarming()
  65
  66 if aodhclient:
  67     register_plugin()