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			115 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python3
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"""
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This file is intended to expose concurrency
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problems in the /events/ URL handler by inserting events rapidly.
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Please concurrently use with event_breaker.py.
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"""
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import sys
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if sys.version_info[0] != 3:
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    print("This script requires Python 3")
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    exit(1)
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if 'py-json' not in sys.path:
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    sys.path.append('../py-json')
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import argparse
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from LANforge.lfcli_base import LFCliBase
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from realm import Realm
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import datetime
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from datetime import datetime
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import time
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from time import sleep
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import pprint
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class EventBreaker(Realm):
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    def __init__(self,  host, port,
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                 duration=None,
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                 pause_ms=None,
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                 _debug_on=False,
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                 _exit_on_error=False,
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                 _exit_on_fail=False):
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        super().__init__(host, port)
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        self.counter = 0
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        self.test_duration = duration
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        self.pause_ms = pause_ms
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        if (self.test_duration is None):
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            raise ValueError("run wants numeric run_duration_sec")
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    def create(self):
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        pass
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    def run(self):
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        last_second_ms = 0
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        start_time = datetime.now()
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        now_ms = 0
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        end_time = self.parse_time(self.test_duration) + start_time
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        client_time_ms = 0
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        prev_client_time_ms = 0
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        start_loop_time_ms = 0
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        loop_time_ms = 0
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        prev_loop_time_ms = 0
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        num_events = 0
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        prev_num_events = 0
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        while datetime.now() < end_time:
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            sleep( self.pause_ms / 1000 )
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            start_loop_time_ms = int(self.get_milliseconds(datetime.now()))
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            print ('\r♦ ', end='')
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            #prev_loop_time_ms = loop_time_ms
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            # loop_time_ms = self.get_milliseconds(datetime.now())
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            prev_client_time_ms = client_time_ms
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            response_list = []
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            response = self.json_post("/cli-json/add_event",
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                                      {
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                                          "event_id": "new",
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                                          "details": "event_flood %d"%start_loop_time_ms,
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                                          "priority": "INFO",
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                                          "name": "custom"
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                                      },
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                                      response_json_list_=response_list)
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            # pprint.pprint(response_list)
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            prev_client_time_ms = client_time_ms
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            prev_loop_time_ms = loop_time_ms
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            now = int(self.get_milliseconds(datetime.now()))
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            loop_time_ms = now - start_loop_time_ms
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            client_time_ms = response_list[0]["LAST"]["duration"]
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            if (client_time_ms != prev_client_time_ms):
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                print(" client %d ms %d"%(client_time_ms,
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                                          (prev_client_time_ms - client_time_ms)),
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                      end='')
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            if (loop_time_ms != prev_loop_time_ms):
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                print(" loop %d ms %d                            "%(loop_time_ms,
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                                          (prev_loop_time_ms - loop_time_ms)),
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                      end='')
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            if (last_second_ms + 1000) < now:
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                last_second_ms = now
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                print("")
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    def cleanup(self):
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        pass
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def main():
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    parser = LFCliBase.create_bare_argparse(
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        prog='event_breaker.py',
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        formatter_class=argparse.RawTextHelpFormatter)
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    parser.add_argument("--test_duration", help='test duration', default="30s" )
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    parser.add_argument("--pause_ms", help='interval between submitting events', default="30" )
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    # if optional_args is not None:
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    args = parser.parse_args()
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    event_breaker = EventBreaker(host=args.mgr,
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                                 port=args.mgr_port,
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                                 duration=args.test_duration,
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                                 pause_ms=int(args.pause_ms),
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                                 _debug_on=True,
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                                 _exit_on_error=True,
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                                 _exit_on_fail=True)
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    event_breaker.create()
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    event_breaker.run()
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    event_breaker.cleanup()
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if __name__ == "__main__":
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    main()
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