Minimalist SRE metrics for FastAPI and Flask
Project description
SRE RED Metrics
Minimalist SRE metrics for Python web frameworks.
Features
- Default metrics on port 9090
- Tracks individual status codes + optional grouping
- FastAPI and Flask support
- <5ms overhead
FastAPI Installation
pip install sre-metrics[fastapi]
FastAPI Usage
from fastapi import FastAPI
from sre-metrics import instrument_fastapi
app = FastAPI()
instrument_fastapi(app) # Metrics on :9090 by default
# Custom port
instrument_fastapi(app, metrics_port=9091, excluded_paths=["/healthz"])
Flask Installation
pip install sre-metrics[flask]
from flask import Flask
from sre-metrics import instrument_flask
app = Flask(__name__)
instrument_flask(app) # Metrics on :9090
# Custom options:
instrument_flask(app, metrics_port=9091, excluded_paths=["/healthz"])
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