app.py

@@ -16,6 +16,9 @@ import requests
 import sys
 from sanic.log import logger, logging
 
+if METRICS:
+	from sanic_prometheus import monitor
+
 app = Sanic(__name__)
 app.static("/res", "res/")
 
@@ -36,6 +39,8 @@ app.blueprint([room_bp, karaoke_bp, propic_bp, export_bp, stats_bp, api_bp, carp
 				
 @app.exception(exceptions.SanicException)
 async def clear_session(request, exception):
+	print(exception)
+	print(request)
 	tpl = app.ctx.tpl.get_template('error.html')
 	r = html(tpl.render(exception=exception))
 	
@@ -207,4 +212,13 @@ if __name__ == "__main__":
 			pass
 		sleep(5)
 	print("Connected to pretix!", file=sys.stderr)
+
+	if(METRICS):
+		if(METRICS_USE_ANOTHER_SOCKET):
+			print(f"Startin metrics server on {METRICS_IP}:{METRICS_PORT} on path '{METRICS_PATH}'")
+			monitor(app, metrics_path=METRICS_PATH).start_server(addr=METRICS_IP, port=METRICS_PORT)
+		else:
+			print(f"Startin metrics server on path '{METRICS_PATH}'")
+			monitor(app, metrics_path=METRICS_PATH).expose_endpoint()
+
 	app.run(host="127.0.0.1", port=8188, dev=DEV_MODE, access_log=ACCESS_LOG)

config.example.py

@@ -40,6 +40,12 @@ DEV_MODE = True
 ACCESS_LOG = True
 EXTRA_PRINTS = True
 
+METRICS = True
+METRICS_USE_ANOTHER_SOCKET = True
+METRICS_IP = "172.17.0.1"
+METRICS_PORT = "1211"
+METRICS_PATH = "/metrics"
+
 # Additional configured locales.
 # If an order has a country that's not listed here,
 # Will default to an english preference.

requirements.txt

@@ -5,3 +5,4 @@ Pillow
 aztec_code_generator
 Jinja2
 Requests
+sanic_prometheus 

stuff/systemMetrics.py

@@ -0,0 +1,91 @@
+import psutil
+import time
+import sys
+
+from sanic import Sanic
+from sanic import response as res
+
+DEV_MODE = False
+ACCESS_LOG = False
+
+app = Sanic(__name__)
+
+@app.route("/")
+async def main(req):
+	return res.text("I\'m a teapot", status=418)
+
+@app.route("/metrics")
+async def metrics(req):
+	out = []
+
+	cpus = psutil.cpu_percent(percpu=True)
+	totalCpu = 0
+	for i in range(len(cpus)):
+		out.append(f'monitor_cpu_core_usage_percent{{core="{i}"}} {cpus[i]}')
+		totalCpu += cpus[i]
+	out.append(f'monitor_cpu_core_usage_percent{{core="avg"}} {"%.2f" % (totalCpu / len(cpus))}')
+
+	diskIo = psutil.disk_io_counters(nowrap=True)
+	out.append(f'monitor_diskio{{value="read_count"}} {diskIo.read_count}')
+	out.append(f'monitor_diskio{{value="write_count"}} {diskIo.write_count}')
+	out.append(f'monitor_diskio{{value="read_bytes"}} {diskIo.read_bytes}')
+	out.append(f'monitor_diskio{{value="write_bytes"}} {diskIo.write_bytes}')
+	out.append(f'monitor_diskio{{value="read_time"}} {diskIo.read_time}')
+	out.append(f'monitor_diskio{{value="write_time"}} {diskIo.write_time}')
+
+	disks = psutil.disk_partitions()
+	for disk in disks:
+		try:
+			dUsage = psutil.disk_usage(disk.mountpoint)
+			out.append(f'monitor_disk_usage_percent{{partition="{disk.mountpoint}"}} {dUsage.percent}')
+		except: 
+			pass
+
+	mem = psutil.virtual_memory()
+	out.append(f'monitor_memory{{value="total"}} {mem.total}')
+	out.append(f'monitor_memory{{value="available"}} {mem.available}')
+	out.append(f'monitor_memory{{value="percent"}} {mem.percent}')
+	out.append(f'monitor_memory{{value="used"}} {mem.used}')
+	out.append(f'monitor_memory{{value="free"}} {mem.free}')
+
+	swap = psutil.swap_memory()
+	out.append(f'monitor_swap{{value="total"}} {swap.total}')
+	out.append(f'monitor_swap{{value="used"}} {swap.used}')
+	out.append(f'monitor_swap{{value="free"}} {swap.free}')
+	out.append(f'monitor_swap{{value="percent"}} {swap.percent}')
+	out.append(f'monitor_swap{{value="sin"}} {swap.sin}')
+	out.append(f'monitor_swap{{value="sout"}} {swap.sout}')
+
+	bootTime = psutil.boot_time()
+	out.append(f'monitor_boot_time{{}} {int(time.time() - bootTime)}')
+
+	netioConnections = psutil.net_connections()
+	out.append(f'monitor_netio_connections{{}} {len(netioConnections)}')
+	netioCounters = psutil.net_io_counters(nowrap=True)
+	out.append(f'monitor_netio_counters{{value="bytes_sent"}} {netioCounters.bytes_sent}')
+	out.append(f'monitor_netio_counters{{value="bytes_recv"}} {netioCounters.bytes_recv}')
+	out.append(f'monitor_netio_counters{{value="packets_sent"}} {netioCounters.packets_sent}')
+	out.append(f'monitor_netio_counters{{value="packets_recv"}} {netioCounters.packets_recv}')
+	out.append(f'monitor_netio_counters{{value="errin"}} {netioCounters.errin}')
+	out.append(f'monitor_netio_counters{{value="errout"}} {netioCounters.errout}')
+	out.append(f'monitor_netio_counters{{value="dropin"}} {netioCounters.dropin}')
+	out.append(f'monitor_netio_counters{{value="dropout"}} {netioCounters.dropout}')
+
+	return res.text("\n".join(out), status=200)
+
+
+if __name__ == '__main__':
+	ip = "127.0.0.1"
+	port = 2611
+	if(len(sys.argv) > 1):
+		ip = sys.argv[1]
+	if(len(sys.argv) > 2):
+		try:
+			port = int(sys.argv[2])
+		except:
+			print("Port must be a numeric value!")
+			exit(1)
+		if(port < 1 or port > 0xffff):
+			print("Port must be in [1, 65535] range!")
+			exit(1)
+	app.run(host=ip, port=port, dev=DEV_MODE, access_log=ACCESS_LOG)