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