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# -*- coding: utf-8 -*- |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
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# implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import asyncio |
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import aiohttp |
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from http import HTTPStatus |
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from urllib.parse import quote |
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from osm_nbi.base_topic import EngineException |
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__author__ = "Vijay R S <vijay.r@tataelxsi.co.in>" |
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class PmJobsTopic: |
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def __init__(self, db, host=None, port=None): |
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self.db = db |
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self.url = "http://{}:{}".format(host, port) |
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self.nfvi_metric_list = [ |
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"cpu_utilization", |
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"average_memory_utilization", |
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"disk_read_ops", |
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"disk_write_ops", |
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"disk_read_bytes", |
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"disk_write_bytes", |
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"packets_dropped", |
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"packets_sent", |
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"packets_received", |
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] |
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def _get_vnf_metric_list(self, ns_id): |
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metric_list = self.nfvi_metric_list.copy() |
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vnfr_desc = self.db.get_list("vnfrs", {"nsr-id-ref": ns_id}) |
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if not vnfr_desc: |
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raise EngineException( |
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"NS not found with id {}".format(ns_id), http_code=HTTPStatus.NOT_FOUND |
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) |
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else: |
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for vnfr in vnfr_desc: |
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vnfd_desc = self.db.get_one( |
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"vnfds", |
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{"_id": vnfr["vnfd-id"]}, |
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fail_on_empty=True, |
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fail_on_more=False, |
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) |
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try: |
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configs = vnfd_desc.get("df")[0]["lcm-operations-configuration"][ |
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"operate-vnf-op-config" |
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]["day1-2"] |
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except Exception: |
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configs = [] |
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for config in configs: |
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if "metrics" in config: |
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metric_list.extend( |
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[quote(metric["name"]) for metric in config["metrics"]] |
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) |
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metric_list = list(set(metric_list)) |
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return metric_list |
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async def _prom_metric_request(self, ns_id, metrics_list): |
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try: |
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async with aiohttp.ClientSession() as session: |
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data = [] |
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for metlist in metrics_list: |
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request_url = ( |
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self.url |
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+ "/api/v1/query?query=osm_" |
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+ metlist |
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+ "{ns_id='" |
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+ ns_id |
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+ "'}" |
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) |
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async with session.get(request_url) as resp: |
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resp = await resp.json() |
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resp = resp["data"]["result"] |
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if resp: |
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data.append(resp) |
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return data |
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except aiohttp.client_exceptions.ClientConnectorError as e: |
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raise EngineException("Connection to '{}'Failure: {}".format(self.url, e)) |
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def show(self, session, ns_id, filter_q=None, api_req=False): |
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metrics_list = self._get_vnf_metric_list(ns_id) |
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loop = asyncio.new_event_loop() |
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asyncio.set_event_loop(loop) |
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prom_metric = loop.run_until_complete( |
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self._prom_metric_request(ns_id, metrics_list) |
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) |
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metric = {} |
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metric_temp = [] |
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for index_list in prom_metric: |
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for index in index_list: |
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process_metric = {"performanceValue": {"performanceValue": {}}} |
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process_metric["objectInstanceId"] = index["metric"]["ns_id"] |
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process_metric["performanceMetric"] = index["metric"]["__name__"] |
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process_metric["performanceValue"]["timestamp"] = index["value"][0] |
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process_metric["performanceValue"]["performanceValue"][ |
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"performanceValue" |
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] = index["value"][1] |
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process_metric["performanceValue"]["performanceValue"][ |
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"vnfMemberIndex" |
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] = index["metric"]["vnf_member_index"] |
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if "vdu_name" not in index["metric"]: |
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pass |
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else: |
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process_metric["performanceValue"]["performanceValue"][ |
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"vduName" |
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] = index["metric"]["vdu_name"] |
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metric_temp.append(process_metric) |
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metric["entries"] = metric_temp |
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return metric |
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