old_contents: def once(command, log):
  
      net_id = command('neutron net-create')
      command('neutron subnet-create {net_id} 10.0.100.0/24'.format(net_id=net_id))
      command('neutron port-create {net_id}'.format(net_id=net_id))
  
  
  def start(lab, log, args):
      import time
      import re
  
      how_many = args['how_many']
      unique_pattern_in_name = args.get('unique_pattern_in_name', 'sqe-test')
  
      server = lab.controllers()[0]
  
      def command(cmd):
          name_part = '{0}-{1}'.format(unique_pattern_in_name, i)
          if 'subnet-create' in cmd:  # subnet-create needs to be before net-create since net-create is a substring of subnet-create
              name_part = '--name ' + name_part + '-subnet'
          elif 'net-create' in cmd:
              name_part += '-net'
          elif 'port-create' in cmd:
              name_part = '--name ' + name_part + '-port'
  
          res = server.run(command='{cmd} {name_part} {lab_creds}'.format(cmd=cmd, name_part=name_part, lab_creds=lab.cloud))
          if res:
              return re.search('id\s+\|\s+([-\w]+)', ''.join(res.stdout)).group(1)
  
      start_time = time.time()
      for i in xrange(0, how_many):
          once(command=command, log=log)
          log.info('n_ports={0} status=created'.format(i+1))
      log.info('n_ports={0} status=created in time={1} secs'.format(how_many, time.time()-start_time))
  
new_contents: def once(command, number):
  
      net_id = command('neutron net-create')
      command('neutron subnet-create {net_id} {cidr}'.format(net_id=net_id, cidr=cidr4(number)))
      command('neutron port-create {net_id}'.format(net_id=net_id))
  
  
  def cidr4(i):
      return '10.{0}.{1}.0/24'.format(i / 256, i % 256)
  
  
  def start(lab, log, args):
      import time
      import re
  
      how_many = args['how_many']
      unique_pattern_in_name = args.get('unique_pattern_in_name', 'sqe-test')
  
      server = lab.controllers()[0]
  
      def command(cmd):
          name_part = '{0}-{1}'.format(unique_pattern_in_name, i)
          if 'subnet-create' in cmd:  # subnet-create needs to be before net-create since net-create is a substring of subnet-create
              name_part = '--name ' + name_part + '-subnet'
          elif 'net-create' in cmd:
              name_part += '-net'
          elif 'port-create' in cmd:
              name_part = '--name ' + name_part + '-port'
  
          res = server.run(command='{cmd} {name_part} {lab_creds}'.format(cmd=cmd, name_part=name_part, lab_creds=lab.cloud))
          if res:
              return re.search('id\s+\|\s+([-\w]+)', ''.join(res.stdout)).group(1)
  
      start_time = time.time()
  
      quota = 20 + how_many
      server.run(command='neutron quota-update --network {n} --subnet {n} --port {n} {lab_creds}'.format(n=quota, lab_creds=lab.cloud))
      for i in xrange(0, how_many):
          once(command=command, number=i)
          log.info('n_ports={0} status=created'.format(i+1))
      log.info('n_ports={0} status=created in time={1} secs'.format(how_many, time.time()-start_time))
  
subject: set quota with some margin (20) calculate v4 cidr even if number of networks is more the 256