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
  28 class RapidConfigParser(object):
  29     """
  30     Class to deal with rapid configuration files
  31     """
  32     @staticmethod
  33     def parse_config(test_params):
  34         testconfig = configparser.RawConfigParser()
  35         testconfig.read(test_params['test_file'])
  36         test_params['required_number_of_test_machines'] = int(testconfig.get(
  37             'TestParameters', 'total_number_of_test_machines'))
  38         test_params['number_of_tests'] = int(testconfig.get('TestParameters',
  39             'number_of_tests'))
  40         test_params['TestName'] = testconfig.get('TestParameters', 'name')
  41         if testconfig.has_option('TestParameters', 'lat_percentile'):
  42             test_params['lat_percentile'] = old_div(float(
  43                 testconfig.get('TestParameters', 'lat_percentile')),100.0)
  44         else:
  45             test_params['lat_percentile'] = 0.99
  46         RapidLog.info('Latency percentile at {:.0f}%'.format(
  47             test_params['lat_percentile']*100))
  48         if testconfig.has_option('TestParameters', 'ipv6'):
  49             test_params['ipv6'] = testconfig.getboolean('TestParameters','ipv6')
  50         else:
  51             test_params['ipv6'] = False
  52         config = configparser.RawConfigParser()
  53         config.read(test_params['environment_file'])
  54         test_params['vim_type'] = config.get('Varia', 'vim')
  55         test_params['key'] = config.get('ssh', 'key')
  56         test_params['user'] = config.get('ssh', 'user')
  57         test_params['total_number_of_machines'] = int(config.get('rapid',
  58             'total_number_of_machines'))
  59         tests = []
  60         test = {}
  61         for test_index in range(1, test_params['number_of_tests']+1):
  62             test.clear()
  63             section = 'test%d'%test_index
  64             options = testconfig.options(section)
  65             for option in options:
  66                 if option in ['imix','imixs','flows']:
  67                     test[option] = ast.literal_eval(testconfig.get(section,
  68                         option))
  69                 elif option in ['maxframespersecondallingress','stepsize',
  70                         'flowsize']:
  71                     test[option] = int(testconfig.get(section, option))
  72                 elif option in ['startspeed', 'step', 'drop_rate_threshold',
  73                         'lat_avg_threshold','lat_perc_threshold',
  74                         'lat_max_threshold','accuracy','maxr','maxz',
  75                         'pass_threshold','ramp_step']:
  76                     test[option] = float(testconfig.get(section, option))
  77                 else:
  78                     test[option] = testconfig.get(section, option)
  79             tests.append(dict(test))
  80         for test in tests:
  81             if test['test'] in ['flowsizetest','TST009test']:
  82                 if 'drop_rate_threshold' not in test.keys():
  83                     test['drop_rate_threshold'] = 0
  84                 latency_thresholds = ['lat_avg_threshold','lat_perc_threshold','lat_max_threshold']
  85                 for threshold in latency_thresholds:
  86                     if threshold not in test.keys():
  87                         test[threshold] = 'inf'
  88         test_params['tests'] = tests
  89         if test_params['required_number_of_test_machines'] > test_params[
  90                 'total_number_of_machines']:
  91             RapidLog.exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
  92             raise Exception("Not enough VMs for this test: %d needed and only %d available" % (required_number_of_test_machines,total_number_of_machines))
  93         machine_map = configparser.RawConfigParser()
  94         machine_map.read(test_params['machine_map_file'])
  95         machines = []
  96         machine = {}
  97         for test_machine in range(1, test_params['required_number_of_test_machines']+1):
  98             machine.clear()
  99             section = 'TestM%d'%test_machine
 100             options = testconfig.options(section)
 101             for option in options:
 102                 if option in ['prox_socket','prox_launch_exit','monitor']:
 103                     machine[option] = testconfig.getboolean(section, option)
 104                 elif option in ['cores', 'gencores','latcores']:
 105                     machine[option] = ast.literal_eval(testconfig.get(
 106                         section, option))
 107                 elif option in ['bucket_size_exp']:
 108                     machine[option] = int(testconfig.get(section, option))
 109                     if machine[option] < 11:
 110                         RapidLog.exception("Minimum Value for bucket_size_exp is 11")
 111                 else:
 112                     machine[option] = testconfig.get(section, option)
 113                 for key in ['prox_socket','prox_launch_exit']:
 114                    if key not in machine.keys():
 115                        machine[key] = True
 116             if 'monitor' not in machine.keys():
 117                 machine['monitor'] = True
 118             index = int(machine_map.get('TestM%d'%test_machine,
 119                 'machine_index'))
 120             section = 'M%d'%index
 121             options = config.options(section)
 122             for option in options:
 123                 machine[option] = config.get(section, option)
 124             machines.append(dict(machine))
 125         for machine in machines:
 126             dp_ports = []
 127             if 'dest_vm' in machine.keys():
 128                 index = 1
 129                 while True:
 130                     dp_ip_key = 'dp_ip{}'.format(index)
 131                     dp_mac_key = 'dp_mac{}'.format(index)
 132                     if dp_ip_key in machines[int(machine['dest_vm'])-1].keys() and \
 133                             dp_mac_key in machines[int(machine['dest_vm'])-1].keys():
 134                         dp_port = {'ip': machines[int(machine['dest_vm'])-1][dp_ip_key],
 135                                 'mac' : machines[int(machine['dest_vm'])-1][dp_mac_key]}
 136                         dp_ports.append(dict(dp_port))
 137                         index += 1
 138                     else:
 139                         break
 140                     machine['dest_ports'] = list(dp_ports)
 141             gw_ips = []
 142             if 'gw_vm' in machine.keys():
 143                 index = 1
 144                 while True:
 145                     gw_ip_key = 'dp_ip{}'.format(index)
 146                     if gw_ip_key in machines[int(machine['gw_vm'])-1].keys():
 147                         gw_ip = machines[int(machine['gw_vm'])-1][gw_ip_key]
 148                         gw_ips.append(gw_ip)
 149                         index += 1
 150                     else:
 151                         break
 152                     machine['gw_ips'] = list(gw_ips)
 153         test_params['machines'] = machines
 154         return (test_params)