osm_mon/collector/service.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 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  22 ##
  23 import logging
  24 import multiprocessing
  25 from typing import List
  26
  27 from osm_mon.collector.infra_collectors.onos import OnosInfraCollector
  28 from osm_mon.collector.infra_collectors.openstack import OpenstackInfraCollector
  29 from osm_mon.collector.infra_collectors.vio import VIOInfraCollector
  30 from osm_mon.collector.infra_collectors.vmware import VMwareInfraCollector
  31 from osm_mon.collector.metric import Metric
  32 from osm_mon.collector.vnf_collectors.juju import VCACollector
  33 from osm_mon.collector.vnf_collectors.openstack import OpenstackCollector
  34 from osm_mon.collector.vnf_collectors.vio import VIOCollector
  35 from osm_mon.collector.vnf_collectors.vmware import VMwareCollector
  36 from osm_mon.core.common_db import CommonDbClient
  37 from osm_mon.core.config import Config
  38
  39 log = logging.getLogger(__name__)
  40
  41 VIM_COLLECTORS = {
  42     "openstack": OpenstackCollector,
  43     "vmware": VMwareCollector,
  44     "vio": VIOCollector
  45 }
  46 VIM_INFRA_COLLECTORS = {
  47     "openstack": OpenstackInfraCollector,
  48     "vmware": VMwareInfraCollector,
  49     "vio": VIOInfraCollector
  50 }
  51 SDN_INFRA_COLLECTORS = {
  52     "onos": OnosInfraCollector
  53 }
  54
  55
  56 class CollectorService:
  57     def __init__(self, config: Config):
  58         self.conf = config
  59         self.common_db = CommonDbClient(self.conf)
  60         self.queue = multiprocessing.Queue()
  61
  62     def _collect_vim_metrics(self, vnfr: dict, vim_account_id: str):
  63         # TODO(diazb) Add support for aws
  64         common_db = CommonDbClient(self.conf)
  65         vim_type = common_db.get_vim_account(vim_account_id)['vim_type']
  66         if vim_type in VIM_COLLECTORS:
  67             collector = VIM_COLLECTORS[vim_type](self.conf, vim_account_id)
  68             metrics = collector.collect(vnfr)
  69             for metric in metrics:
  70                 self.queue.put(metric)
  71         else:
  72             log.debug("vimtype %s is not supported.", vim_type)
  73
  74     def _collect_vim_infra_metrics(self, vim_account_id: str):
  75         common_db = CommonDbClient(self.conf)
  76         vim_type = common_db.get_vim_account(vim_account_id)['vim_type']
  77         if vim_type in VIM_INFRA_COLLECTORS:
  78             collector = VIM_INFRA_COLLECTORS[vim_type](self.conf, vim_account_id)
  79             metrics = collector.collect()
  80             for metric in metrics:
  81                 self.queue.put(metric)
  82         else:
  83             log.debug("vimtype %s is not supported.", vim_type)
  84
  85     def _collect_sdnc_infra_metrics(self, sdnc_id: str):
  86         common_db = CommonDbClient(self.conf)
  87         sdn_type = common_db.get_sdnc(sdnc_id)['type']
  88         if sdn_type in SDN_INFRA_COLLECTORS:
  89             collector = SDN_INFRA_COLLECTORS[sdn_type](self.conf, sdnc_id)
  90             metrics = collector.collect()
  91             for metric in metrics:
  92                 self.queue.put(metric)
  93         else:
  94             log.debug("sdn_type %s is not supported.", sdn_type)
  95
  96     def _collect_vca_metrics(self, vnfr: dict):
  97         log.debug('_collect_vca_metrics')
  98         log.debug('vnfr: %s', vnfr)
  99         vca_collector = VCACollector(self.conf)
 100         metrics = vca_collector.collect(vnfr)
 101         for metric in metrics:
 102             self.queue.put(metric)
 103
 104     def collect_metrics(self) -> List[Metric]:
 105         vnfrs = self.common_db.get_vnfrs()
 106         processes = []
 107         for vnfr in vnfrs:
 108             nsr_id = vnfr['nsr-id-ref']
 109             vnf_member_index = vnfr['member-vnf-index-ref']
 110             vim_account_id = self.common_db.get_vim_account_id(nsr_id, vnf_member_index)
 111             p = multiprocessing.Process(target=self._collect_vim_metrics,
 112                                         args=(vnfr, vim_account_id))
 113             processes.append(p)
 114             p.start()
 115             p = multiprocessing.Process(target=self._collect_vca_metrics,
 116                                         args=(vnfr,))
 117             processes.append(p)
 118             p.start()
 119         vims = self.common_db.get_vim_accounts()
 120         for vim in vims:
 121             p = multiprocessing.Process(target=self._collect_vim_infra_metrics,
 122                                         args=(vim['_id'],))
 123             processes.append(p)
 124             p.start()
 125         sdncs = self.common_db.get_sdncs()
 126         for sdnc in sdncs:
 127             p = multiprocessing.Process(target=self._collect_sdnc_infra_metrics,
 128                                         args=(sdnc['_id'],))
 129             processes.append(p)
 130             p.start()
 131         for process in processes:
 132             process.join(timeout=10)
 133         metrics = []
 134         while not self.queue.empty():
 135             metrics.append(self.queue.get())
 136         return metrics