+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Whitestack, LLC
+# *************************************************************
+
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Whitestack, LLC
+
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: bdiaz@whitestack.com or glavado@whitestack.com
+##
+
+# This version uses a ProcessThreadPoolExecutor to limit the number of processes launched
+
import logging
-import multiprocessing
from typing import List
+import concurrent.futures
+import time
+import keystoneauth1.exceptions
from osm_mon.collector.infra_collectors.onos import OnosInfraCollector
from osm_mon.collector.infra_collectors.openstack import OpenstackInfraCollector
-from osm_mon.collector.infra_collectors.vmware import VMwareInfraCollector
from osm_mon.collector.infra_collectors.vio import VIOInfraCollector
+from osm_mon.collector.infra_collectors.vmware import VMwareInfraCollector
from osm_mon.collector.metric import Metric
-from osm_mon.collector.utils import CollectorUtils
from osm_mon.collector.vnf_collectors.juju import VCACollector
from osm_mon.collector.vnf_collectors.openstack import OpenstackCollector
from osm_mon.collector.vnf_collectors.vio import VIOCollector
VIM_COLLECTORS = {
"openstack": OpenstackCollector,
"vmware": VMwareCollector,
- "vio": VIOCollector
+ "vio": VIOCollector,
}
VIM_INFRA_COLLECTORS = {
"openstack": OpenstackInfraCollector,
"vmware": VMwareInfraCollector,
- "vio": VIOInfraCollector
-}
-SDN_INFRA_COLLECTORS = {
- "onos": OnosInfraCollector
+ "vio": VIOInfraCollector,
}
+SDN_INFRA_COLLECTORS = {"onosof": OnosInfraCollector, "onos_vpls": OnosInfraCollector}
class CollectorService:
def __init__(self, config: Config):
self.conf = config
self.common_db = CommonDbClient(self.conf)
- self.queue = multiprocessing.Queue()
+ return
- def _collect_vim_metrics(self, vnfr: dict, vim_account_id: str):
+ # static methods to be executed in the Processes
+ @staticmethod
+ def _get_vim_type(conf: Config, vim_account_id: str) -> str:
+ common_db = CommonDbClient(conf)
+ vim_account = common_db.get_vim_account(vim_account_id)
+ vim_type = vim_account["vim_type"]
+ if "config" in vim_account and "vim_type" in vim_account["config"]:
+ vim_type = vim_account["config"]["vim_type"].lower()
+ if vim_type == "vio" and "vrops_site" not in vim_account["config"]:
+ vim_type = "openstack"
+ return vim_type
+
+ @staticmethod
+ def _collect_vim_metrics(conf: Config, vnfr: dict, vim_account_id: str):
# TODO(diazb) Add support for aws
- vim_type = CollectorUtils.get_vim_type(vim_account_id)
+ metrics = []
+ vim_type = CollectorService._get_vim_type(conf, vim_account_id)
+ log.debug("vim type.....{}".format(vim_type))
if vim_type in VIM_COLLECTORS:
- collector = VIM_COLLECTORS[vim_type](self.conf, vim_account_id)
+ collector = VIM_COLLECTORS[vim_type](conf, vim_account_id)
metrics = collector.collect(vnfr)
- for metric in metrics:
- self.queue.put(metric)
+ log.debug("Collecting vim metrics.....{}".format(metrics))
else:
log.debug("vimtype %s is not supported.", vim_type)
+ return metrics
+
+ @staticmethod
+ def _collect_vca_metrics(conf: Config, vnfr: dict):
+ metrics = []
+ vca_collector = VCACollector(conf)
+ metrics = vca_collector.collect(vnfr)
+ log.debug("Collecting vca metrics.....{}".format(metrics))
+ return metrics
- def _collect_vim_infra_metrics(self, vim_account_id: str):
- vim_type = CollectorUtils.get_vim_type(vim_account_id)
+ @staticmethod
+ def _collect_vim_infra_metrics(conf: Config, vim_account_id: str):
+ log.info("Collecting vim infra metrics")
+ metrics = []
+ vim_type = CollectorService._get_vim_type(conf, vim_account_id)
if vim_type in VIM_INFRA_COLLECTORS:
- collector = VIM_INFRA_COLLECTORS[vim_type](self.conf, vim_account_id)
+ collector = VIM_INFRA_COLLECTORS[vim_type](conf, vim_account_id)
metrics = collector.collect()
- for metric in metrics:
- self.queue.put(metric)
+ log.debug("Collecting vim infra metrics.....{}".format(metrics))
else:
log.debug("vimtype %s is not supported.", vim_type)
+ return metrics
- def _collect_sdnc_infra_metrics(self, sdnc_id: str):
- common_db = CommonDbClient(self.conf)
- sdn_type = common_db.get_sdnc(sdnc_id)['type']
+ @staticmethod
+ def _collect_sdnc_infra_metrics(conf: Config, sdnc_id: str):
+ log.info("Collecting sdnc metrics")
+ metrics = []
+ common_db = CommonDbClient(conf)
+ sdn_type = common_db.get_sdnc(sdnc_id)["type"]
if sdn_type in SDN_INFRA_COLLECTORS:
- collector = SDN_INFRA_COLLECTORS[sdn_type](self.conf, sdnc_id)
+ collector = SDN_INFRA_COLLECTORS[sdn_type](conf, sdnc_id)
metrics = collector.collect()
- for metric in metrics:
- self.queue.put(metric)
+ log.debug("Collecting sdnc metrics.....{}".format(metrics))
else:
log.debug("sdn_type %s is not supported.", sdn_type)
+ return metrics
- def _collect_vca_metrics(self, vnfr: dict):
- log.debug('_collect_vca_metrics')
- log.debug('vnfr: %s', vnfr)
- vca_collector = VCACollector(self.conf)
- metrics = vca_collector.collect(vnfr)
- for metric in metrics:
- self.queue.put(metric)
+ @staticmethod
+ def _stop_process_pool(executor):
+ log.info("Shutting down process pool")
+ try:
+ log.debug("Stopping residual processes in the process pool")
+ for pid, process in executor._processes.items():
+ if process.is_alive():
+ process.terminate()
+ except Exception as e:
+ log.info("Exception during process termination")
+ log.debug("Exception %s" % (e))
+
+ try:
+ # Shutting down executor
+ log.debug("Shutting down process pool executor")
+ executor.shutdown()
+ except RuntimeError as e:
+ log.info("RuntimeError in shutting down executer")
+ log.debug("RuntimeError %s" % (e))
+ return
def collect_metrics(self) -> List[Metric]:
vnfrs = self.common_db.get_vnfrs()
- processes = []
- for vnfr in vnfrs:
- nsr_id = vnfr['nsr-id-ref']
- vnf_member_index = vnfr['member-vnf-index-ref']
- vim_account_id = self.common_db.get_vim_account_id(nsr_id, vnf_member_index)
- p = multiprocessing.Process(target=self._collect_vim_metrics,
- args=(vnfr, vim_account_id))
- processes.append(p)
- p.start()
- p = multiprocessing.Process(target=self._collect_vca_metrics,
- args=(vnfr,))
- processes.append(p)
- p.start()
- vims = self.common_db.get_vim_accounts()
- for vim in vims:
- p = multiprocessing.Process(target=self._collect_vim_infra_metrics,
- args=(vim['_id'],))
- processes.append(p)
- p.start()
- sdncs = self.common_db.get_sdncs()
- for sdnc in sdncs:
- p = multiprocessing.Process(target=self._collect_sdnc_infra_metrics,
- args=(sdnc['_id'],))
- processes.append(p)
- p.start()
- for process in processes:
- process.join(timeout=10)
metrics = []
- while not self.queue.empty():
- metrics.append(self.queue.get())
+
+ start_time = time.time()
+ # Starting executor pool with pool size process_pool_size. Default process_pool_size is 20
+ with concurrent.futures.ProcessPoolExecutor(
+ self.conf.get("collector", "process_pool_size")
+ ) as executor:
+ log.info(
+ "Started metric collector process pool with pool size %s"
+ % (self.conf.get("collector", "process_pool_size"))
+ )
+ futures = []
+ for vnfr in vnfrs:
+ nsr_id = vnfr["nsr-id-ref"]
+ vnf_member_index = vnfr["member-vnf-index-ref"]
+ vim_account_id = self.common_db.get_vim_account_id(
+ nsr_id, vnf_member_index
+ )
+ futures.append(
+ executor.submit(
+ CollectorService._collect_vim_metrics,
+ self.conf,
+ vnfr,
+ vim_account_id,
+ )
+ )
+ futures.append(
+ executor.submit(
+ CollectorService._collect_vca_metrics, self.conf, vnfr
+ )
+ )
+
+ vims = self.common_db.get_vim_accounts()
+ for vim in vims:
+ futures.append(
+ executor.submit(
+ CollectorService._collect_vim_infra_metrics,
+ self.conf,
+ vim["_id"],
+ )
+ )
+
+ sdncs = self.common_db.get_sdncs()
+ for sdnc in sdncs:
+ futures.append(
+ executor.submit(
+ CollectorService._collect_sdnc_infra_metrics,
+ self.conf,
+ sdnc["_id"],
+ )
+ )
+
+ try:
+ # Wait for future calls to complete till process_execution_timeout. Default is 50 seconds
+ for future in concurrent.futures.as_completed(
+ futures, self.conf.get("collector", "process_execution_timeout")
+ ):
+ try:
+ result = future.result(
+ timeout=int(
+ self.conf.get("collector", "process_execution_timeout")
+ )
+ )
+ metrics.extend(result)
+ log.debug("result = %s" % (result))
+ except keystoneauth1.exceptions.connection.ConnectTimeout as e:
+ log.info("Keystone connection timeout during metric collection")
+ log.debug("Keystone connection timeout exception %s" % (e))
+ except concurrent.futures.TimeoutError as e:
+ # Some processes have not completed due to timeout error
+ log.info(
+ "Some processes have not finished due to TimeoutError exception"
+ )
+ log.debug("concurrent.futures.TimeoutError exception %s" % (e))
+
+ # Shutting down process pool executor
+ CollectorService._stop_process_pool(executor)
+
+ end_time = time.time()
+ log.info("Collection completed in %s seconds", end_time - start_time)
+
return metrics
projects / osm / MON.git / blobdiff