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', 'sleep_time'):
  50             test_params['sleep_time'] = int(testconfig.get('TestParameters', 'sleep_time'))
  51             if test_params['sleep_time'] < 2:
  52                 test_params['sleep_time'] = 2
  53         else:
  54             test_params['sleep_time'] = 2
  55
  56         if testconfig.has_option('TestParameters', 'ipv6'):
  57             test_params['ipv6'] = testconfig.getboolean('TestParameters','ipv6')
  58         else:
  59             test_params['ipv6'] = False
  60         config = configparser.RawConfigParser()
  61         config.read(test_params['environment_file'])
  62         test_params['vim_type'] = config.get('Varia', 'vim')
  63         test_params['user'] = config.get('ssh', 'user')
  64         if config.has_option('ssh', 'key'):
  65             test_params['key'] = config.get('ssh', 'key')
  66         else:
  67             test_params['key'] = None
  68         if config.has_option('ssh', 'password'):
  69             test_params['password'] = config.get('ssh', 'password')
  70         else:
  71             test_params['password'] = None
  72         test_params['total_number_of_machines'] = int(config.get('rapid',
  73             'total_number_of_machines'))
  74         tests = []
  75         test = {}
  76         for test_index in range(1, test_params['number_of_tests']+1):
  77             test.clear()
  78             section = 'test%d'%test_index
  79             options = testconfig.options(section)
  80             for option in options:
  81                 if option in ['imix','imixs','flows', 'warmupimix']:
  82                     test[option] = ast.literal_eval(testconfig.get(section,
  83                         option))
  84                 elif option in ['maxframespersecondallingress','stepsize',
  85                         'flowsize','warmupflowsize','warmuptime', 'steps']:
  86                     test[option] = int(testconfig.get(section, option))
  87                 elif option in ['startspeed', 'step', 'drop_rate_threshold',
  88                         'generator_threshold','lat_avg_threshold','lat_perc_threshold',
  89                         'lat_max_threshold','accuracy','maxr','maxz',
  90                         'ramp_step','warmupspeed','mis_ordered_threshold']:
  91                     test[option] = float(testconfig.get(section, option))
  92                 else:
  93                     test[option] = testconfig.get(section, option)
  94             tests.append(dict(test))
  95         for test in tests:
  96             if test['test'] in ['flowsizetest', 'TST009test', 'increment_till_fail']:
  97                 if 'drop_rate_threshold' not in test.keys():
  98                     test['drop_rate_threshold'] = 0
  99                 thresholds = ['generator_threshold','lat_avg_threshold', \
 100                         'lat_perc_threshold','lat_max_threshold','mis_ordered_threshold']
 101                 for threshold in thresholds:
 102                     if threshold not in test.keys():
 103                         test[threshold] = inf
 104         test_params['tests'] = tests
 105         if test_params['required_number_of_test_machines'] > test_params[
 106                 'total_number_of_machines']:
 107             RapidLog.exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
 108             raise Exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
 109         map_info = test_params['machine_map_file'].strip('[]').split(',')
 110         map_info_length = len(map_info)
 111         # If map_info is a list where the first entry is numeric, we assume we
 112         # are dealing with a list of machines and NOT the machine.map file
 113         if map_info[0].isnumeric():
 114             if map_info_length < test_params[
 115                     'required_number_of_test_machines']:
 116                 RapidLog.exception('Not enough machine indices in --map \
 117                         parameter: {}. Needing {} entries'.format(map_info,
 118                             test_params['required_number_of_test_machines']))
 119             machine_index = list(map(int,map_info))
 120         else:
 121             machine_map = configparser.RawConfigParser()
 122             machine_map.read(test_params['machine_map_file'])
 123             machine_index = []
 124             for test_machine in range(1,
 125                     test_params['required_number_of_test_machines']+1):
 126                 machine_index.append(int(machine_map.get(
 127                     'TestM%d'%test_machine, 'machine_index')))
 128         machine_map = configparser.RawConfigParser()
 129         machine_map.read(test_params['machine_map_file'])
 130         machines = []
 131         machine = {}
 132         for test_machine in range(1, test_params[
 133             'required_number_of_test_machines']+1):
 134             machine.clear()
 135             section = 'TestM%d'%test_machine
 136             options = testconfig.options(section)
 137             for option in options:
 138                 if option in ['prox_socket','prox_launch_exit','monitor']:
 139                     machine[option] = testconfig.getboolean(section, option)
 140                 elif option in ['mcore', 'cores', 'gencores', 'latcores',
 141                         'altcores']:
 142                     machine[option] = ast.literal_eval(testconfig.get(
 143                         section, option))
 144                 elif option in ['bucket_size_exp']:
 145                     machine[option] = int(testconfig.get(section, option))
 146                     if machine[option] < 11:
 147                         RapidLog.exception(
 148                                 "Minimum Value for bucket_size_exp is 11")
 149                 else:
 150                     machine[option] = testconfig.get(section, option)
 151                 for key in ['prox_socket','prox_launch_exit']:
 152                    if key not in machine.keys():
 153                        machine[key] = True
 154             if 'monitor' not in machine.keys():
 155                 machine['monitor'] = True
 156             section = 'M%d'%machine_index[test_machine-1]
 157             options = config.options(section)
 158             for option in options:
 159                 machine[option] = config.get(section, option)
 160             machines.append(dict(machine))
 161         for machine in machines:
 162             dp_ports = []
 163             if 'dest_vm' in machine.keys():
 164                 index = 1
 165                 while True:
 166                     dp_ip_key = 'dp_ip{}'.format(index)
 167                     dp_mac_key = 'dp_mac{}'.format(index)
 168                     if dp_ip_key in machines[int(machine['dest_vm'])-1].keys():
 169                         if dp_mac_key in machines[int(machine['dest_vm'])-1].keys():
 170                             dp_port = {'ip': machines[int(machine['dest_vm'])-1][dp_ip_key],
 171                                     'mac' : machines[int(machine['dest_vm'])-1][dp_mac_key]}
 172                         else:
 173                             dp_port = {'ip': machines[int(machine['dest_vm'])-1][dp_ip_key],
 174                                     'mac' : None}
 175                         dp_ports.append(dict(dp_port))
 176                         index += 1
 177                     else:
 178                         break
 179                     machine['dest_ports'] = list(dp_ports)
 180             gw_ips = []
 181             if 'gw_vm' in machine.keys():
 182                 index = 1
 183                 while True:
 184                     gw_ip_key = 'dp_ip{}'.format(index)
 185                     if gw_ip_key in machines[int(machine['gw_vm'])-1].keys():
 186                         gw_ip = machines[int(machine['gw_vm'])-1][gw_ip_key]
 187                         gw_ips.append(gw_ip)
 188                         index += 1
 189                     else:
 190                         break
 191                     machine['gw_ips'] = list(gw_ips)
 192         test_params['machines'] = machines
 193         return (test_params)