examples/performance_measurements/limit_testing.py

   1 #!/usr/bin/env python2
   2 # Copyright (c) 2019 Erik Schilling
   3 # ALL RIGHTS RESERVED.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #    http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 import time
  18
  19 import psutil
  20
  21 from emuvim.api.osm.pre_configured_osm import PreConfiguredOSM
  22
  23 import csv
  24
  25
  26 with open('limit_testing_%d.csv' % time.time(), 'w') as csvfile:
  27     fieldnames = ['i', 'used_ram', 'cpu_usage']
  28     writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
  29     writer.writeheader()
  30
  31     start = time.time()
  32     with PreConfiguredOSM() as osm:
  33         start_done = time.time()
  34         osm.onboard_vnfd('../vnfs/multiple_vdu_vnfd')
  35         nsd_id = osm.onboard_nsd('../services/multiple_vdu_nsd')
  36
  37         i = 0
  38         while True:
  39             time.sleep(3)
  40
  41             measurement = {
  42                 'i': i,
  43                 'used_ram': psutil.virtual_memory().used,
  44                 'cpu_usage': psutil.cpu_percent(interval=1)
  45             }
  46             writer.writerow(measurement)
  47             csvfile.flush()
  48
  49             i += 1
  50
  51             osm.ns_create('multiple-vdu-test-%d' % i, nsd_id)
  52             _, num_failed = osm.ns_wait_until_all_in_status('running', 'failed')
  53             if num_failed != 0:
  54                 print('NS failed')
  55                 break
  56
  57         for ns in osm.ns_list():
  58             osm.ns_delete(ns['id'])
  59
  60         osm.ns_wait_until_all_in_status('terminated')