VNFs/DPPD-PROX/helper-scripts/rapid/rapid_parser.py

   1 #!/usr/bin/python
   2
   3 ##
   4 ## Copyright (c) 2020 Intel Corporation
   5 ##
   6 ## Licensed under the Apache License, Version 2.0 (the "License");
   7 ## you may not use this file except in compliance with the License.
   8 ## You may obtain a copy of the License at
   9 ##
  10 ##     http://www.apache.org/licenses/LICENSE-2.0
  11 ##
  12 ## Unless required by applicable law or agreed to in writing, software
  13 ## distributed under the License is distributed on an "AS IS" BASIS,
  14 ## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 ## See the License for the specific language governing permissions and
  16 ## limitations under the License.
  17 ##
  18
  19 from rapid_log import RapidLog
  20 from past.utils import old_div
  21 try:
  22     import configparser
  23 except ImportError:
  24     # Python 2.x fallback
  25     import ConfigParser as configparser
  26 import ast
  27 inf = float("inf")
  28
  29 class RapidConfigParser(object):
  30     """
  31     Class to deal with rapid configuration files
  32     """
  33     @staticmethod
  34     def parse_config(test_params):
  35         testconfig = configparser.RawConfigParser()
  36         testconfig.read(test_params['test_file'])
  37         test_params['required_number_of_test_machines'] = int(testconfig.get(
  38             'TestParameters', 'total_number_of_test_machines'))
  39         test_params['number_of_tests'] = int(testconfig.get('TestParameters',
  40             'number_of_tests'))
  41         test_params['TestName'] = testconfig.get('TestParameters', 'name')
  42         if testconfig.has_option('TestParameters', 'lat_percentile'):
  43             test_params['lat_percentile'] = old_div(float(
  44                 testconfig.get('TestParameters', 'lat_percentile')),100.0)
  45         else:
  46             test_params['lat_percentile'] = 0.99
  47         RapidLog.info('Latency percentile at {:.0f}%'.format(
  48             test_params['lat_percentile']*100))
  49         if testconfig.has_option('TestParameters', 'ipv6'):
  50             test_params['ipv6'] = testconfig.getboolean('TestParameters','ipv6')
  51         else:
  52             test_params['ipv6'] = False
  53         config = configparser.RawConfigParser()
  54         config.read(test_params['environment_file'])
  55         test_params['vim_type'] = config.get('Varia', 'vim')
  56         test_params['key'] = config.get('ssh', 'key')
  57         test_params['user'] = config.get('ssh', 'user')
  58         test_params['total_number_of_machines'] = int(config.get('rapid',
  59             'total_number_of_machines'))
  60         tests = []
  61         test = {}
  62         for test_index in range(1, test_params['number_of_tests']+1):
  63             test.clear()
  64             section = 'test%d'%test_index
  65             options = testconfig.options(section)
  66             for option in options:
  67                 if option in ['imix','imixs','flows']:
  68                     test[option] = ast.literal_eval(testconfig.get(section,
  69                         option))
  70                 elif option in ['maxframespersecondallingress','stepsize',
  71                         'flowsize']:
  72                     test[option] = int(testconfig.get(section, option))
  73                 elif option in ['startspeed', 'step', 'drop_rate_threshold',
  74                         'lat_avg_threshold','lat_perc_threshold',
  75                         'lat_max_threshold','accuracy','maxr','maxz',
  76                         'ramp_step']:
  77                     test[option] = float(testconfig.get(section, option))
  78                 else:
  79                     test[option] = testconfig.get(section, option)
  80             tests.append(dict(test))
  81         for test in tests:
  82             if test['test'] in ['flowsizetest','TST009test']:
  83                 if 'drop_rate_threshold' not in test.keys():
  84                     test['drop_rate_threshold'] = 0
  85                 latency_thresholds = ['lat_avg_threshold','lat_perc_threshold','lat_max_threshold']
  86                 for threshold in latency_thresholds:
  87                     if threshold not in test.keys():
  88                         test[threshold] = inf
  89         test_params['tests'] = tests
  90         if test_params['required_number_of_test_machines'] > test_params[
  91                 'total_number_of_machines']:
  92             RapidLog.exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
  93             raise Exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
  94         map_info = test_params['machine_map_file'].strip('[]').split(',')
  95         map_info_length = len(map_info)
  96         if map_info_length > 1:
  97             if map_info_length < test_params[
  98                     'required_number_of_test_machines']:
  99                 RapidLog.exception('Not enough machine indices in --map \
 100                         parameter: {}. Needing {} entries'.format(map_info,
 101                             test_params['required_number_of_test_machines']))
 102             machine_index = list(map(int,map_info))
 103         else:
 104             machine_map = configparser.RawConfigParser()
 105             machine_map.read(test_params['machine_map_file'])
 106             machine_index = []
 107             for test_machine in range(1,
 108                     test_params['required_number_of_test_machines']+1):
 109                 machine_index.append(int(machine_map.get(
 110                     'TestM%d'%test_machine, 'machine_index')))
 111         machine_map = configparser.RawConfigParser()
 112         machine_map.read(test_params['machine_map_file'])
 113         machines = []
 114         machine = {}
 115         for test_machine in range(1, test_params[
 116             'required_number_of_test_machines']+1):
 117             machine.clear()
 118             section = 'TestM%d'%test_machine
 119             options = testconfig.options(section)
 120             for option in options:
 121                 if option in ['prox_socket','prox_launch_exit','monitor']:
 122                     machine[option] = testconfig.getboolean(section, option)
 123                 elif option in ['mcore', 'cores', 'gencores','latcores']:
 124                     machine[option] = ast.literal_eval(testconfig.get(
 125                         section, option))
 126                 elif option in ['bucket_size_exp']:
 127                     machine[option] = int(testconfig.get(section, option))
 128                     if machine[option] < 11:
 129                         RapidLog.exception(
 130                                 "Minimum Value for bucket_size_exp is 11")
 131                 else:
 132                     machine[option] = testconfig.get(section, option)
 133                 for key in ['prox_socket','prox_launch_exit']:
 134                    if key not in machine.keys():
 135                        machine[key] = True
 136             if 'monitor' not in machine.keys():
 137                 machine['monitor'] = True
 138             section = 'M%d'%machine_index[test_machine-1]
 139             options = config.options(section)
 140             for option in options:
 141                 machine[option] = config.get(section, option)
 142             machines.append(dict(machine))
 143         for machine in machines:
 144             dp_ports = []
 145             if 'dest_vm' in machine.keys():
 146                 index = 1
 147                 while True:
 148                     dp_ip_key = 'dp_ip{}'.format(index)
 149                     dp_mac_key = 'dp_mac{}'.format(index)
 150                     if dp_ip_key in machines[int(machine['dest_vm'])-1].keys() and \
 151                             dp_mac_key in machines[int(machine['dest_vm'])-1].keys():
 152                         dp_port = {'ip': machines[int(machine['dest_vm'])-1][dp_ip_key],
 153                                 'mac' : machines[int(machine['dest_vm'])-1][dp_mac_key]}
 154                         dp_ports.append(dict(dp_port))
 155                         index += 1
 156                     else:
 157                         break
 158                     machine['dest_ports'] = list(dp_ports)
 159             gw_ips = []
 160             if 'gw_vm' in machine.keys():
 161                 index = 1
 162                 while True:
 163                     gw_ip_key = 'dp_ip{}'.format(index)
 164                     if gw_ip_key in machines[int(machine['gw_vm'])-1].keys():
 165                         gw_ip = machines[int(machine['gw_vm'])-1][gw_ip_key]
 166                         gw_ips.append(gw_ip)
 167                         index += 1
 168                     else:
 169                         break
 170                     machine['gw_ips'] = list(gw_ips)
 171         test_params['machines'] = machines
 172         return (test_params)