Add TTL index

2023-09-22 16:48:41 +03:00 · 2023-09-22 16:48:41 +03:00 · e7da187e18
commit e7da187e18
parent f6d14671f5
1 changed files with 5 additions and 0 deletions
--- a/camdetect.py
+++ b/camdetect.py
@ -56,6 +56,9 @@ CLOCK_SKEW_TOLERANCE = timedelta(seconds=3)
 # Percentage of blocks active to consider movement in whole frame
 THRESHOLD_RATIO = int(os.getenv("THRESHOLD_RATIO", "5"))

+# Days to keep events
+TTL_DAYS = int(os.getenv("TTL_DAYS", "3"))
+
 CHUNK_BOUNDARY = b"\n--frame\nContent-Type: image/jpeg\n\n"

 hist_active_blocks_ratio = Histogram(
@ -560,6 +563,8 @@ async def setup_db(app, loop):
    app.ctx.coll.create_index([
        ("source", pymongo.ASCENDING),
        ("@timestamp", pymongo.ASCENDING)], unique=True)
+    app.ctx.coll.create_index(
+        "@timestamp", expireAfterSeconds=TTL_DAYS*60*60*24)
    app.ctx.last_frame = None
    app.ctx.event_frame = asyncio.Event()
    app.ctx.event_id = None