Merge pull request #4 from pluralsh/setup-prometheus

Setup Prometheus

Author: michaeljguarino

app/main.py

@@ -1,8 +1,21 @@
 from fastapi import FastAPI
+from prometheus_fastapi_instrumentator import Instrumentator
+import prometheus_client as prom
+import time
 
 import os
 
 app = FastAPI()
+Instrumentator().instrument(app)
+
+prom.start_http_server(9090)
+
+@app.get("/ping")
+def test():
+  if int(time.time()) % 3 == 0:
+    raise Exception("unknown internal error")
+
+  return {"pong": True}
 
 @app.get("/")
 def read_root():

requirements.txt

@@ -1,3 +1,4 @@
 fastapi~=0.103
 uvicorn~=0.23
-httpx
+httpx
+prometheus-fastapi-instrumentator