osm_mon/collector/collectors/juju.py

   1 # Copyright 2018 Whitestack, LLC
   2 # *************************************************************
   3
   4 # This file is part of OSM Monitoring module
   5 # All Rights Reserved to Whitestack, LLC
   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: bdiaz@whitestack.com or glavado@whitestack.com
  21 ##
  22 import asyncio
  23 import logging
  24 from typing import List
  25
  26 from n2vc.vnf import N2VC
  27
  28 from osm_mon.collector.collectors.base import BaseCollector
  29 from osm_mon.collector.metric import Metric
  30 from osm_mon.core.common_db import CommonDbClient
  31 from osm_mon.core.settings import Config
  32
  33 log = logging.getLogger(__name__)
  34
  35
  36 class VCACollector(BaseCollector):
  37     def __init__(self):
  38         cfg = Config.instance()
  39         self.common_db = CommonDbClient()
  40         self.loop = asyncio.get_event_loop()
  41         self.n2vc = N2VC(server=cfg.OSMMON_VCA_HOST, user=cfg.OSMMON_VCA_USER, secret=cfg.OSMMON_VCA_SECRET)
  42
  43     def collect(self, vnfr: dict) -> List[Metric]:
  44         vca_model_name = 'default'
  45         nsr_id = vnfr['nsr-id-ref']
  46         vnf_member_index = vnfr['member-vnf-index-ref']
  47         vnfd = self.common_db.get_vnfd(vnfr['vnfd-id'])
  48         metrics = []
  49         for vdur in vnfr['vdur']:
  50             nsr = self.common_db.get_nsr(nsr_id)
  51             vdu = next(
  52                 filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu'])
  53             )
  54             if 'vdu-configuration' in vdu and 'metrics' in vdu['vdu-configuration']:
  55                 vnf_name_vca = self.n2vc.FormatApplicationName(nsr['name'], vnf_member_index, vdur['vdu-id-ref'])
  56                 measures = self.loop.run_until_complete(self.n2vc.GetMetrics(vca_model_name, vnf_name_vca))
  57                 log.debug('Metrics: %s', metrics)
  58                 for measure_list in measures.values():
  59                     for measure in measure_list:
  60                         log.debug("Metric: %s", measure)
  61                         metric = Metric(nsr_id, vnf_member_index, vdur['name'], measure['key'], float(measure['value']))
  62                         metrics.append(metric)
  63             if 'vnf-configuration' in vnfd and 'metrics' in vnfd['vnf-configuration']:
  64                 vnf_name_vca = self.n2vc.FormatApplicationName(nsr['name'], vnf_member_index, vdur['vdu-id-ref'])
  65                 measures = self.loop.run_until_complete(self.n2vc.GetMetrics(vca_model_name, vnf_name_vca))
  66                 log.debug('Metrics: %s', metrics)
  67                 for measure_list in measures.values():
  68                     for measure in measure_list:
  69                         log.debug("Metric: %s", measure)
  70                         metric = Metric(nsr_id, vnf_member_index, vdur['name'], measure['key'], float(measure['value']))
  71                         metrics.append(metric)
  72         return metrics