test/tools/odl-mdsal-clustering-tests/clustering-performance-test/flow_add_delete_test.py

   1 #!/usr/bin/python
   2
   3 __author__ = "Jan Medved"
   4 __copyright__ = "Copyright(c) 2014, Cisco Systems, Inc."
   5 __license__ = "New-style BSD"
   6 __email__ = "jmedved@cisco.com"
   7
   8 import argparse
   9 import time
  10 from flow_config_blaster import FlowConfigBlaster
  11 from inventory_crawler import InventoryCrawler
  12 from config_cleanup import cleanup_config
  13
  14
  15
  16 if __name__ == "__main__":
  17
  18     JSON_FLOW_MOD1 = '''{
  19         "flow-node-inventory:flow": [
  20             {
  21                 "flow-node-inventory:cookie": %d,
  22                 "flow-node-inventory:cookie_mask": 65535,
  23                 "flow-node-inventory:flow-name": "%s",
  24                 "flow-node-inventory:hard-timeout": %d,
  25                 "flow-node-inventory:id": "%s",
  26                 "flow-node-inventory:idle-timeout": %d,
  27                 "flow-node-inventory:installHw": false,
  28                 "flow-node-inventory:instructions": {
  29                     "flow-node-inventory:instruction": [
  30                         {
  31                             "flow-node-inventory:apply-actions": {
  32                                 "flow-node-inventory:action": [
  33                                     {
  34                                         "flow-node-inventory:drop-action": {},
  35                                         "flow-node-inventory:order": 0
  36                                     }
  37                                 ]
  38                             },
  39                             "flow-node-inventory:order": 0
  40                         }
  41                     ]
  42                 },
  43                 "flow-node-inventory:match": {
  44                     "flow-node-inventory:ipv4-destination": "%s/32",
  45                     "flow-node-inventory:ethernet-match": {
  46                         "flow-node-inventory:ethernet-type": {
  47                             "flow-node-inventory:type": 2048
  48                         }
  49                     }
  50                 },
  51                 "flow-node-inventory:priority": 2,
  52                 "flow-node-inventory:strict": false,
  53                 "flow-node-inventory:table_id": 0
  54             }
  55         ]
  56     }'''
  57
  58
  59     parser = argparse.ArgumentParser(description='Flow programming performance test: First adds and then deletes flows '
  60                                                  'into the config tree, as specified by optional parameters.')
  61
  62     parser.add_argument('--host', default='127.0.0.1',
  63                         help='Host where odl controller is running (default is 127.0.0.1)')
  64     parser.add_argument('--port', default='8181',
  65                         help='Port on which odl\'s RESTCONF is listening (default is 8181)')
  66     parser.add_argument('--flows', type=int, default=10,
  67                         help='Number of flow add/delete requests to send in each cycle; default 10')
  68     parser.add_argument('--cycles', type=int, default=1,
  69                         help='Number of flow add/delete cycles to send in each thread; default 1')
  70     parser.add_argument('--threads', type=int, default=1,
  71                         help='Number of request worker threads, default=1. '
  72                              'Each thread will add/delete nflows.')
  73     parser.add_argument('--nodes', type=int, default=16,
  74                         help='Number of nodes if mininet is not connected; default=16. If mininet is connected, '
  75                              'flows will be evenly distributed (programmed) into connected nodes.')
  76     parser.add_argument('--delay', type=int, default=2,
  77                         help='Time to wait between the add and delete cycles; default=0')
  78     parser.add_argument('--timeout', type=int, default=100,
  79                         help='The maximum time to wait between the add and delete cycles; default=100')
  80     parser.add_argument('--delete', dest='delete', action='store_true', default=True,
  81                         help='Delete all added flows one by one, benchmark delete '
  82                              'performance.')
  83     parser.add_argument('--bulk-delete', dest='bulk_delete', action='store_true', default=False,
  84                         help='Delete all flows in bulk; default=False')
  85     parser.add_argument('--auth', dest='auth', action='store_true',
  86                         help="Use authenticated access to REST (username: 'admin', password: 'admin'); default=False")
  87     parser.add_argument('--startflow', type=int, default=0,
  88                         help='The starting Flow ID; default=0')
  89
  90     in_args = parser.parse_args()
  91
  92     # Initialize
  93     ic = InventoryCrawler(in_args.host, in_args.port, 0, 'operational', in_args.auth, False)
  94
  95     fct = FlowConfigBlaster(in_args.host, in_args.port, in_args.cycles, in_args.threads, in_args.nodes,
  96                             in_args.flows, in_args.startflow, in_args.auth, JSON_FLOW_MOD1)
  97
  98     # Get baseline stats
  99     ic.crawl_inventory()
 100     reported = ic.reported_flows
 101     found = ic.found_flows
 102
 103     print 'Baseline:'
 104     print '   Reported nodes: %d' % reported
 105     print '   Found nodes:    %d' % found
 106
 107     # Run through <cycles>, where <threads> are started in each cycle and <flows> are added from each thread
 108     fct.add_blaster()
 109
 110     print '\n*** Total flows added: %s' % fct.get_total_flows()
 111     print '    HTTP[OK] results:  %d\n' % fct.get_ok_flows()
 112
 113     # Wait for stats to catch up
 114     total_delay = 0
 115     exp_found = found + fct.get_ok_flows()
 116     exp_reported = reported + fct.get_ok_flows()
 117
 118     print 'Waiting for stats to catch up:'
 119     while True:
 120         ic.crawl_inventory()
 121         print '   %d, %d' %(ic.reported_flows, ic.found_flows)
 122         if ic.found_flows == exp_found or total_delay > in_args.timeout:
 123             break
 124         total_delay += in_args.delay
 125         time.sleep(in_args.delay)
 126
 127     if total_delay < in_args.timeout:
 128         print 'Stats collected in %d seconds.' % total_delay
 129     else:
 130         print 'Stats collection did not finish in %d seconds. Aborting...' % total_delay
 131
 132     # Run through <cycles>, where <threads> are started in each cycle and <flows> previously added in an add cycle are
 133     # deleted in each thread
 134     if in_args.bulk_delete:
 135         print '\nDeleting all flows in bulk:\n   ',
 136         cleanup_config(in_args.host, in_args.port, in_args.auth)
 137     else:
 138        print '\nDeleting flows one by one\n   ',
 139        fct.delete_blaster()
 140
 141     # Wait for stats to catch up
 142     total_delay = 0
 143
 144     print '\nWaiting for stats to catch up:'
 145     while True:
 146         ic.crawl_inventory()
 147         if ic.found_flows == found or total_delay > in_args.timeout:
 148             break
 149         total_delay += in_args.delay
 150         print '   %d, %d' %(ic.reported_flows, ic.found_flows)
 151         time.sleep(in_args.delay)
 152
 153     if total_delay < in_args.timeout:
 154         print 'Stats collected in %d seconds.' % total_delay
 155     else:
 156         print 'Stats collection did not finish in %d seconds. Aborting...' % total_delay