Make InfluxDB connection options configurable

docker-compose.yml

@@ -16,6 +16,9 @@ services:
     - "DATABASE_NAME=postgres"
     - "DATABASE_HOST=db"
     - "DATABASE_PORT=5432"
+    - "INFLUX_HOST=influx"
+    - "INFLUX_PORT=8086"
+    - "INFLUX_DB=pluralkit"
     restart: always
   api:
     build: src/

src/pluralkit/bot/__init__.py

@@ -126,8 +126,13 @@ class PluralKitBot:
             async with self.pool.acquire() as conn:
                 await db.create_tables(conn)
 
+            if "INFLUX_HOST" in os.environ:
                 self.logger.info("Connecting to InfluxDB...")
-            self.stats = await InfluxStatCollector.connect()
+                self.stats = await InfluxStatCollector.connect(
+                    os.environ["INFLUX_HOST"],
+                    os.environ["INFLUX_PORT"],
+                    os.environ["INFLUX_DB"]
+                )
 
                 self.logger.info("Starting periodical stat reporting...")
                 asyncio.get_event_loop().create_task(self.periodical_stat_timer(self.pool))

src/pluralkit/stats.py

@@ -21,9 +21,9 @@ class NullStatCollector(StatCollector):
 
 class InfluxStatCollector(StatCollector):
     @staticmethod
-    async def connect():
-        client = InfluxDBClient(host="influx", db="pluralkit")
-        await client.create_database(db="pluralkit")
+    async def connect(host: str, port: int, db: str):
+        client = InfluxDBClient(host=host, port=port, db=db)
+        await client.create_database(db=db)
 
         return InfluxStatCollector(client)