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##############################################################################
# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
from six.moves import configparser as ConfigParser
# NOTE(ralonsoh): pylint E0401 import error
# https://github.com/PyCQA/pylint/issues/1640
from six.moves.urllib.parse import urlsplit # pylint: disable=relative-import
from influxdb import client as influxdb_client
from yardstick.common import constants as consts
from yardstick.common import exceptions
from yardstick import dispatcher
logger = logging.getLogger(__name__)
def get_data_db_client():
parser = ConfigParser.ConfigParser()
try:
parser.read(consts.CONF_FILE)
return _get_influxdb_client(parser)
except ConfigParser.NoOptionError:
logger.error('Can not find the key')
raise
def _get_influxdb_client(parser):
if dispatcher.INFLUXDB not in parser.get('DEFAULT', 'dispatcher'):
raise exceptions.InfluxDBConfigurationMissing()
ip = _get_ip(parser.get('dispatcher_influxdb', 'target'))
user = parser.get('dispatcher_influxdb', 'username')
password = parser.get('dispatcher_influxdb', 'password')
db_name = parser.get('dispatcher_influxdb', 'db_name')
return influxdb_client.InfluxDBClient(ip, consts.INFLUXDB_PORT, user,
password, db_name)
def _get_ip(url):
return urlsplit(url).hostname
def query(query_sql):
try:
client = get_data_db_client()
logger.debug('Start to query: %s', query_sql)
return list(client.query(query_sql).get_points())
except RuntimeError:
logger.error('dispatcher is not influxdb')
raise
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