plugins/OpenStack/Gnocchi/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 """Gnocchi plugin for the OSM monitoring module."""
  23
  24 import logging
  25
  26 logging.basicConfig(filename='gnocchi_MON.log', datefmt='%m/%d/%Y %I:%M:%S %p',
  27                     format='%(asctime)s %(message)s', filemode='a',
  28                     level=logging.INFO)
  29 log = logging.getLogger(__name__)
  30
  31 try:
  32     import gnocchiclient
  33 except ImportError:
  34     log.warn("Gnocchiclient could not be imported")
  35
  36 from plugins.OpenStack.Gnocchi.metrics import Metrics
  37 from plugins.OpenStack.settings import Config
  38
  39 __author__ = "Helena McGough"
  40
  41
  42 def register_plugin():
  43     """Register the plugin."""
  44     config = Config.instance()
  45     instance = Plugin(config=config)
  46     instance.config()
  47     instance.metrics()
  48
  49
  50 class Plugin(object):
  51     """Gnocchi plugin for OSM MON."""
  52
  53     def __init__(self, config):
  54         """Plugin instance."""
  55         log.info("Initialze the plugin instance.")
  56         self._config = config
  57         self._metrics = Metrics()
  58
  59     def config(self):
  60         """Configure plugin."""
  61         log.info("Configure the plugin instance.")
  62         self._config.read_environ("gnocchi")
  63
  64     def metrics(self):
  65         """Initialize metric functionality."""
  66         log.info("Initialize metric functionality.")
  67         self._metrics.metric_calls()
  68
  69 if gnocchiclient:
  70     register_plugin()