Add occasional basic stat reporting to InfluxDB

bot/pluralkit/bot.py

@@ -1,3 +1,4 @@
+import asyncio
 from datetime import datetime
 import logging
 import json
@@ -90,6 +91,13 @@ async def on_socket_raw_receive(msg):
         except ValueError:
             pass
 
+async def periodical_stat_timer(pool):
+    async with pool.acquire() as conn:
+        while True:
+            from pluralkit import stats
+            await stats.report_periodical_stats(conn)
+            await asyncio.sleep(30)
+
 async def run():
     from pluralkit import db, stats
     try:
@@ -102,6 +110,9 @@ async def run():
 
         logger.info("Connecting to InfluxDB...")
         await stats.connect()
+        
+        logger.info("Starting periodical stat reporting...")
+        asyncio.get_event_loop().create_task(periodical_stat_timer(pool))
 
         client.pool = pool
         logger.info("Connecting to Discord...")

bot/pluralkit/db.py

@@ -242,6 +242,14 @@ async def member_count(conn):
 async def system_count(conn):
     return await conn.fetchval("select count(*) from systems")
 
+@db_wrap
+async def message_count(conn):
+    return await conn.fetchval("select count(*) from messages")
+
+@db_wrap
+async def account_count(conn):
+    return await conn.fetchval("select count(*) from accounts")
+
 async def create_tables(conn):
     await conn.execute("""create table if not exists systems (
         id          serial primary key,

bot/pluralkit/stats.py

@@ -26,4 +26,22 @@ async def report_webhook(time, success):
     await client.write({
         "measurement": "webhook",
         "fields": {"response_time": time, "success": int(success)}
+    })
+
+async def report_periodical_stats(conn):
+    from pluralkit import db
+
+    systems = await db.system_count(conn)
+    members = await db.member_count(conn)
+    messages = await db.message_count(conn)
+    accounts = await db.account_count(conn)
+
+    await client.write({
+        "measurement": "stats",
+        "fields": {
+            "systems": systems,
+            "members": members,
+            "messages": messages,
+            "accounts": accounts
+        }
     })