osm_policy_module/cmd/policy_module_agent.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 Whitestack, LLC
   4 # *************************************************************
   5
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20
  21 # For those usages not covered by the Apache License, Version 2.0 please
  22 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  23 ##
  24 import argparse
  25 import asyncio
  26 import logging
  27 import sys
  28 import os
  29
  30 from osm_policy_module.core.agent import PolicyModuleAgent
  31 from osm_policy_module.core.config import Config
  32 from osm_policy_module.core.database import DatabaseManager
  33
  34
  35 def main():
  36     # Cleanup old temp health file
  37     if os.path.exists("/tmp/osm_pol_agent_health_flag"):
  38         os.remove("/tmp/osm_pol_agent_health_flag")
  39
  40     parser = argparse.ArgumentParser(prog="osm-policy-agent")
  41     parser.add_argument("--config-file", nargs="?", help="POL configuration file")
  42     args = parser.parse_args()
  43     cfg = Config(args.config_file)
  44
  45     root = logging.getLogger()
  46     root.setLevel(logging.getLevelName(cfg.get("global", "loglevel")))
  47     ch = logging.StreamHandler(sys.stdout)
  48     ch.setLevel(logging.getLevelName(cfg.get("global", "loglevel")))
  49     formatter = logging.Formatter(
  50         "%(asctime)s - %(name)s - %(levelname)s - %(message)s", "%m/%d/%Y %I:%M:%S %p"
  51     )
  52     ch.setFormatter(formatter)
  53     root.addHandler(ch)
  54
  55     log = logging.getLogger(__name__)
  56     log.debug("Config: %s", cfg.conf)
  57     log.info("Initializing database...")
  58     db_manager = DatabaseManager(cfg)
  59     db_manager.create_tables()
  60     log.info("Database initialized correctly.")
  61     log.info("Starting policy module agent...")
  62     loop = asyncio.get_event_loop()
  63     agent = PolicyModuleAgent(cfg, loop)
  64     agent.run()
  65
  66
  67 if __name__ == "__main__":
  68     main()