Prometheus監控 Redis , redis-cli_exporter
阿新 • • 發佈:2019-01-12
用Prometheus監控Redis 的時候,發現redis_exporter不能對redis裡面的佇列(list)進行監控,Google了一下,發現官網也沒有redis-cli_exporter。
索性就自己用Python寫了一個Rediscli_exporter.
#!/usr/bin/env python #coding:utf-8 #Author: [email protected] import prometheus_client import redis from prometheus_client import Gauge from flask import Response,Flask app = Flask(__name__) queue_len = Gauge("www_site_queue_len","the len of redis_queue") @app.route("/metrics") def redis_conn(): pool = redis.ConnectionPool(host="xxxxxxxx.redis.rds.aliyuncs.com",port=6379,db=0,password="avavavav") conn = redis.Redis(connection_pool=pool) queue_len_data = conn.llen("www_site") queue_len.set(queue_len_data) return Response(prometheus_client.generate_latest(queue_len),mimetype="text/plain") if __name__ == "__main__": app.run(host="0.0.0.0",port=9101)