add datadog monitoring

backend/requirements.txt

@@ -7,4 +7,5 @@ python-socketio==4.6.1
 six==1.16.0
 pytest==7.1.1
 requests==2.27.1
-discord-webhook==0.15.0
+discord-webhook==0.15.0
+datadog==0.44.0

backend/server.py

@@ -1,5 +1,6 @@
 import os
 import json
+import time
 import random
 from typing import List
 import eventlet
@@ -10,6 +11,17 @@ from bang.players import Player, PendingAction
 
 import requests
 from discord_webhook import DiscordWebhook
+from datadog import initialize, api
+
+
+send_metrics = False
+if "DATADOG_API_KEY" in os.environ and "DATADOG_APP_KEY" in os.environ:
+    initialize()
+    send_metrics = True
+    api.Event.create(title="Backend start", text="", tags=["server:backend", f"host:{os.environ['HOST']}"], alert_type="info")])
+else:
+    print("Datadog not configured")
+
 
 import sys 
 sys.setrecursionlimit(10**6) # this should prevents bots from stopping
@@ -43,6 +55,8 @@ blacklist: List[str] = []
 def advertise_lobbies():
     sio.emit('lobbies', room='lobby', data=[{'name': g.name, 'players': len(g.players), 'locked': g.password != ''} for g in games if not g.started and len(g.players) < 10 and not g.is_hidden])
     sio.emit('spectate_lobbies', room='lobby', data=[{'name': g.name, 'players': len(g.players), 'locked': g.password != ''} for g in games if g.started])
+    if send_metrics:
+        api.Metric.send(metric='lobbies', points=[(int(time.time()), len(games))], tags=["server:backend", "type:lobbies", f"host:{os.environ['HOST']}"])
 
 @sio.event
 def connect(sid, environ):
@@ -51,6 +65,8 @@ def connect(sid, environ):
     print('connect ', sid)
     sio.enter_room(sid, 'lobby')
     sio.emit('players', room='lobby', data=online_players)
+    if send_metrics:
+        api.Metric.send(metric='online_players', points=[(int(time.time()), online_players)], tags=["server:backend", f"host:{os.environ['HOST']}"])
 
 @sio.event
 def get_online_players(sid):
@@ -73,6 +89,8 @@ def report(sid, text):
         sio.emit('chat_message', room=sid, data={'color': f'green','text':f'Report OK'})
     else:
         print("WARNING: DISCORD_WEBHOOK not found")
+    if send_metrics:
+        api.Event.create(title="BUG REPORT", text=data, tags=["server:backend", f"host:{os.environ['HOST']}"])
     print(f'New bug report, replay at https://www.toptal.com/developers/hastebin/{key}')
 
 @sio.event
@@ -156,6 +174,8 @@ def disconnect(sid):
             games.pop(games.index(sio.get_session(sid).game))
         print('disconnect ', sid)
         advertise_lobbies()
+    if send_metrics:
+        api.Metric.send(metric='online_players', points=[(int(time.time()), online_players)], tags=["server:backend", f"host:{os.environ['HOST']}"])
 
 @sio.event
 def create_room(sid, room_name):
@@ -263,6 +283,8 @@ def start_game(sid):
     ses: Player = sio.get_session(sid)
     ses.game.start_game()
     advertise_lobbies()
+    if send_metrics:
+        api.Metric.send(metric='start_game', points=[(int(time.time()), 1)], tags=["server:backend", f"host:{os.environ['HOST']}"])
 
 @sio.event
 def set_character(sid, name):