1 # -*- coding: utf-8 -*-
3 # Copyright 2018 Whitestack, LLC
4 # *************************************************************
6 # This file is part of OSM Monitoring module
7 # All Rights Reserved to Whitestack, LLC
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
13 # http://www.apache.org/licenses/LICENSE-2.0
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
20 # For those usages not covered by the Apache License, Version 2.0 please
21 # contact: bdiaz@whitestack.com or glavado@whitestack.com
24 # This version uses a ProcessThreadPoolExecutor to limit the number of processes launched
27 from typing
import List
28 import concurrent
.futures
31 from osm_mon
.collector
.infra_collectors
.onos
import OnosInfraCollector
32 from osm_mon
.collector
.infra_collectors
.openstack
import OpenstackInfraCollector
33 from osm_mon
.collector
.infra_collectors
.vio
import VIOInfraCollector
34 from osm_mon
.collector
.infra_collectors
.vmware
import VMwareInfraCollector
35 from osm_mon
.collector
.metric
import Metric
36 from osm_mon
.collector
.vnf_collectors
.juju
import VCACollector
37 from osm_mon
.collector
.vnf_collectors
.openstack
import OpenstackCollector
38 from osm_mon
.collector
.vnf_collectors
.vio
import VIOCollector
39 from osm_mon
.collector
.vnf_collectors
.vmware
import VMwareCollector
40 from osm_mon
.core
.common_db
import CommonDbClient
41 from osm_mon
.core
.config
import Config
43 log
= logging
.getLogger(__name__
)
46 "openstack": OpenstackCollector
,
47 "vmware": VMwareCollector
,
50 VIM_INFRA_COLLECTORS
= {
51 "openstack": OpenstackInfraCollector
,
52 "vmware": VMwareInfraCollector
,
53 "vio": VIOInfraCollector
,
55 SDN_INFRA_COLLECTORS
= {"onosof": OnosInfraCollector
, "onos_vpls": OnosInfraCollector
}
58 class CollectorService
:
59 def __init__(self
, config
: Config
):
61 self
.common_db
= CommonDbClient(self
.conf
)
64 # static methods to be executed in the Processes
66 def _get_vim_type(conf
: Config
, vim_account_id
: str) -> str:
67 common_db
= CommonDbClient(conf
)
68 vim_account
= common_db
.get_vim_account(vim_account_id
)
69 vim_type
= vim_account
["vim_type"]
70 if "config" in vim_account
and "vim_type" in vim_account
["config"]:
71 vim_type
= vim_account
["config"]["vim_type"].lower()
72 if vim_type
== "vio" and "vrops_site" not in vim_account
["config"]:
73 vim_type
= "openstack"
77 def _collect_vim_metrics(conf
: Config
, vnfr
: dict, vim_account_id
: str):
78 # TODO(diazb) Add support for aws
80 vim_type
= CollectorService
._get
_vim
_type
(conf
, vim_account_id
)
81 log
.debug("vim type.....{}".format(vim_type
))
82 if vim_type
in VIM_COLLECTORS
:
83 collector
= VIM_COLLECTORS
[vim_type
](conf
, vim_account_id
)
84 metrics
= collector
.collect(vnfr
)
85 log
.debug("Collecting vim metrics.....{}".format(metrics
))
87 log
.debug("vimtype %s is not supported.", vim_type
)
91 def _collect_vca_metrics(conf
: Config
, vnfr
: dict):
93 vca_collector
= VCACollector(conf
)
94 metrics
= vca_collector
.collect(vnfr
)
95 log
.debug("Collecting vca metrics.....{}".format(metrics
))
99 def _collect_vim_infra_metrics(conf
: Config
, vim_account_id
: str):
100 log
.info("Collecting vim infra metrics")
102 vim_type
= CollectorService
._get
_vim
_type
(conf
, vim_account_id
)
103 if vim_type
in VIM_INFRA_COLLECTORS
:
104 collector
= VIM_INFRA_COLLECTORS
[vim_type
](conf
, vim_account_id
)
105 metrics
= collector
.collect()
106 log
.debug("Collecting vim infra metrics.....{}".format(metrics
))
108 log
.debug("vimtype %s is not supported.", vim_type
)
112 def _collect_sdnc_infra_metrics(conf
: Config
, sdnc_id
: str):
113 log
.info("Collecting sdnc metrics")
115 common_db
= CommonDbClient(conf
)
116 sdn_type
= common_db
.get_sdnc(sdnc_id
)["type"]
117 if sdn_type
in SDN_INFRA_COLLECTORS
:
118 collector
= SDN_INFRA_COLLECTORS
[sdn_type
](conf
, sdnc_id
)
119 metrics
= collector
.collect()
120 log
.debug("Collecting sdnc metrics.....{}".format(metrics
))
122 log
.debug("sdn_type %s is not supported.", sdn_type
)
126 def _stop_process_pool(executor
):
127 log
.info("Shutting down process pool")
129 log
.debug("Stopping residual processes in the process pool")
130 for pid
, process
in executor
._processes
.items():
131 if process
.is_alive():
133 except Exception as e
:
134 log
.info("Exception during process termination")
135 log
.debug("Exception %s" % (e
))
138 # Shutting down executor
139 log
.debug("Shutting down process pool executor")
141 except RuntimeError as e
:
142 log
.info("RuntimeError in shutting down executer")
143 log
.debug("RuntimeError %s" % (e
))
146 def collect_metrics(self
) -> List
[Metric
]:
147 vnfrs
= self
.common_db
.get_vnfrs()
150 start_time
= time
.time()
151 # Starting executor pool with pool size process_pool_size. Default process_pool_size is 20
152 with concurrent
.futures
.ProcessPoolExecutor(
153 self
.conf
.get("collector", "process_pool_size")
156 "Started metric collector process pool with pool size %s"
157 % (self
.conf
.get("collector", "process_pool_size"))
161 nsr_id
= vnfr
["nsr-id-ref"]
162 vnf_member_index
= vnfr
["member-vnf-index-ref"]
163 vim_account_id
= self
.common_db
.get_vim_account_id(
164 nsr_id
, vnf_member_index
168 CollectorService
._collect
_vim
_metrics
,
176 CollectorService
._collect
_vca
_metrics
, self
.conf
, vnfr
180 vims
= self
.common_db
.get_vim_accounts()
184 CollectorService
._collect
_vim
_infra
_metrics
,
190 sdncs
= self
.common_db
.get_sdncs()
194 CollectorService
._collect
_sdnc
_infra
_metrics
,
201 # Wait for future calls to complete till process_execution_timeout. Default is 50 seconds
202 for future
in concurrent
.futures
.as_completed(
203 futures
, self
.conf
.get("collector", "process_execution_timeout")
205 result
= future
.result(
207 self
.conf
.get("collector", "process_execution_timeout")
210 metrics
.extend(result
)
211 log
.debug("result = %s" % (result
))
212 except concurrent
.futures
.TimeoutError
as e
:
213 # Some processes have not completed due to timeout error
215 "Some processes have not finished due to TimeoutError exception"
217 log
.debug("concurrent.futures.TimeoutError exception %s" % (e
))
219 # Shutting down process pool executor
220 CollectorService
._stop
_process
_pool
(executor
)
222 end_time
= time
.time()
223 log
.info("Collection completed in %s seconds", end_time
- start_time
)