adds header notes

Signed-off-by: Jed Reynolds <jed@candelatech.com>

py-scripts/event_breaker.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+"""
+This file is intended to expose concurrency
+problems in the /events/ URL handler
+"""
+import sys
+
+if sys.version_info[0] != 3:
+    print("This script requires Python 3")
+    exit(1)
+
+if 'py-json' not in sys.path:
+    sys.path.append('../py-json')
+
+import argparse
+from LANforge.lfcli_base import LFCliBase
+from realm import Realm
+import datetime
+from datetime import datetime
+import time
+import pprint
+
+class EventBreaker(Realm):
+    def __init__(self,  host, port,
+                 duration=None,
+                 _debug_on=False,
+                 _exit_on_error=False,
+                 _exit_on_fail=False):
+        super().__init__(host, port)
+        self.counter = 0
+        self.test_duration=duration
+        if (self.test_duration is None):
+            raise ValueError("run wants numeric run_duration_sec")
+
+    def create(self):
+        pass
+
+    def run(self):
+
+        now = datetime.now()
+        end_time = self.parse_time(self.test_duration) + now
+        while datetime.now() < end_time:
+            print ('.', end='')
+            response = self.json_get("/events/all")
+            if "events" not in response:
+                # pprint.pprint(response)
+                raise AssertionError("no events in response")
+            events = response["events"]
+            self.counter += 1
+            for record in events:
+                # pprint.pprint(record)
+
+                for k in record.keys():
+                    if record[k] is None:
+                        print ('.', end='')
+                        continue
+                    # pprint.pprint( record[k])
+                    if "NA" == record[k]["event"] \
+                            or "NA" == record[k]["name"] \
+                            or "NA" == record[k]["type"] \
+                            or "NA" == record[k]["priority"]:
+                        print( "id[%s]"%k, end='')
+            print("counter %s"%self.counter)
+
+
+    def cleanup(self):
+        pass
+
+
+def main():
+    parser = LFCliBase.create_bare_argparse(
+        prog='event_breaker.py',
+        formatter_class=argparse.RawTextHelpFormatter)
+
+    parser.add_argument("--test_duration", help='test duration', default="30s" )
+    # if optional_args is not None:
+    args = parser.parse_args()
+
+    event_breaker = EventBreaker(host=args.mgr,
+                                 port=args.mgr_port,
+                                 duration=args.test_duration,
+                                 _debug_on=True,
+                                 _exit_on_error=True,
+                                 _exit_on_fail=True)
+    event_breaker.create()
+    event_breaker.run()
+    event_breaker.cleanup()
+
+if __name__ == "__main__":
+    main()