testsuites/posca/testcase_script/posca_factor_vnf_scale_out.py

   1 #!/usr/bin/env python
   2 ##############################################################################
   3 # Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
   4 #
   5 # All rights reserved. This program and the accompanying materials
   6 # are made available under the terms of the Apache License, Version 2.0
   7 # which accompanies this distribution, and is available at
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 ##############################################################################
  10 """This file realize the function of run systembandwidth script.
  11 for example this contain two part first run_script,
  12 second is algorithm, this part is about how to judge the bottlenecks.
  13 This test is using yardstick as a tool to begin test."""
  14
  15 import os
  16 import time
  17 import utils.logger as log
  18 import utils.infra_setup.runner.yardstick as Runner
  19 from utils.parser import Parser as conf_parser
  20 import testsuites.posca.testcase_dashboard.system_bandwidth as DashBoard
  21 # --------------------------------------------------
  22 # logging configuration
  23 # --------------------------------------------------
  24 LOG = log.Logger(__name__).getLogger()
  25
  26 testfile = os.path.basename(__file__)
  27 testcase, file_format = os.path.splitext(testfile)
  28
  29
  30 def env_pre(con_dic):
  31     Runner.Create_Incluxdb(con_dic['runner_config'])
  32
  33
  34 def config_to_result(test_config, test_result):
  35     testdata = {}
  36     test_result["throughput"] = float(test_result["throughput"])
  37     test_result.update(test_config)
  38     testdata["data_body"] = test_result
  39     testdata["testcase"] = testcase
  40     return testdata
  41
  42
  43 def do_test(test_config, con_dic):
  44     test_case = con_dic['runner_config']['yardstick_testcase']
  45     test_dict = {
  46         "action": "runTestCase",
  47         "args": {
  48             "opts": {
  49                 "task-args": test_config
  50             },
  51             "testcase": test_case
  52         }
  53     }
  54     Task_id = Runner.Send_Data(test_dict, con_dic['runner_config'])
  55     time.sleep(con_dic['test_config']['test_time'])
  56     Data_Reply = Runner.Get_Reply(con_dic['runner_config'], Task_id)
  57     try:
  58         test_date =\
  59             Data_Reply[con_dic['runner_config']['yardstick_testcase']][0]
  60     except IndexError:
  61         test_date = do_test(test_config, con_dic)
  62
  63     save_data = config_to_result(test_config, test_date)
  64     if con_dic['runner_config']['dashboard'] == 'y':
  65         DashBoard.dashboard_send_data(con_dic['runner_config'], save_data)
  66
  67     return save_data["data_body"]
  68
  69
  70 def run(con_dic):
  71     # can we specify these ranges from command line?
  72     low, high = con_dic['test_config']['num_vnfs']
  73     data = {
  74         "num_vnfs": range(low, high)
  75     }
  76     con_dic["result_file"] = os.path.dirname(
  77         os.path.abspath(__file__)) + "/test_case/result"
  78     pre_role_result = 1
  79     data_return = {}
  80     data_max = {}
  81     data_return["throughput"] = 1
  82
  83     if con_dic["runner_config"]["yardstick_test_ip"] is None:
  84         con_dic["runner_config"]["yardstick_test_ip"] =\
  85             conf_parser.ip_parser("yardstick_test_ip")
  86
  87     env_pre(con_dic)
  88
  89     if con_dic["runner_config"]["dashboard"] == 'y':
  90         if con_dic["runner_config"]["dashboard_ip"] is None:
  91             con_dic["runner_config"]["dashboard_ip"] =\
  92                 conf_parser.ip_parser("dashboard")
  93         LOG.info("Create Dashboard data")
  94         DashBoard.dashboard_system_bandwidth(con_dic["runner_config"])
  95
  96     bandwidth_tmp = 1
  97     # vcpus and mem are scaled together
  98     for num_vnfs in data["scale_up_values"]:
  99         data_max["throughput"] = 1
 100         test_config = {
 101             "num_vnfs": num_vnfs,
 102             "test_time": con_dic['test_config']['test_time']
 103         }
 104         data_reply = do_test(test_config, con_dic)
 105         conf_parser.result_to_file(data_reply, con_dic["out_file"])
 106         # TODO: figure out which KPI to use
 107         bandwidth = data_reply["throughput"]
 108         if data_max["throughput"] < bandwidth:
 109             data_max = data_reply
 110         if abs(bandwidth_tmp - bandwidth) / float(bandwidth_tmp) < 0.025:
 111             LOG.info("this group of data has reached top output")
 112             break
 113         else:
 114             pre_reply = data_reply
 115             bandwidth_tmp = bandwidth
 116         cur_role_result = float(pre_reply["throughput"])
 117         if (abs(pre_role_result - cur_role_result) /
 118                 float(pre_role_result) < 0.025):
 119             LOG.info("The performance increases slowly")
 120         if data_return["throughput"] < data_max["throughput"]:
 121             data_return = data_max
 122         pre_role_result = cur_role_result
 123     LOG.info("Find bottlenecks of this config")
 124     LOG.info("The max data is %d", data_return["throughput"])
 125     return data_return