pip install flaskpip install prometheus_client

import prometheus_clientfrom prometheus_client import Counterfrom prometheus_client.core import CollectorRegistryfrom flask import Response, Flaskapp = Flask(__name__)requests_total = Counter("request_count", "Total request cout of the host")@app.route("/metrics")def requests_count():  requests_total.inc()  # requests_total.inc(2)  return Response(prometheus_client.generate_latest(requests_total),          mimetype="text/plain")@app.route('/')def index():  requests_total.inc()  return "Hello World"if __name__ == "__main__":  app.run(host="0.0.0.0")

# HELP request_count Total request cout of the host# TYPE request_count counterrequest_count 3.0

import randomimport prometheus_clientfrom prometheus_client import Gaugefrom flask import Response, Flaskapp = Flask(__name__)random_value = Gauge("random_value", "Random value of the request")@app.route("/metrics")def r_value():  random_value.set(random.randint(0, 10))  return Response(prometheus_client.generate_latest(random_value),          mimetype="text/plain")if __name__ == "__main__":  app.run(host="0.0.0.0")

# HELP random_value Random value of the request# TYPE random_value gaugerandom_value 3.0

from prometheus_client import Counterc = Counter('requests_total', 'HTTP requests total', ['method', 'clientip'])c.labels('get', '127.0.0.1').inc()c.labels('post', '192.168.0.1').inc(3)c.labels(method="get", clientip="192.168.0.1").inc()

from prometheus_client import Counter, Gaugefrom prometheus_client.core import CollectorRegistryREGISTRY = CollectorRegistry(auto_describe=False)requests_total = Counter("request_count", "Total request cout of the host", registry=REGISTRY)random_value = Gauge("random_value", "Random value of the request", registry=REGISTRY)

import prometheus_clientfrom prometheus_client import Counter,Gaugefrom prometheus_client.core import CollectorRegistryfrom aiohttp import webimport aiohttpimport asyncioimport uvloopimport random,logging,time,datetimeasyncio.set_event_loop_policy(uvloop.EventLoopPolicy())routes = web.RouteTableDef()# metrics包含requests_total = Counter("request_count", "Total request cout of the host") # 數(shù)值只增random_value = Gauge("random_value", "Random value of the request") # 數(shù)值可大可小@routes.get('/metrics')async def metrics(request):  requests_total.inc()   # 計數(shù)器自增  # requests_total.inc(2)  data = prometheus_client.generate_latest(requests_total)  return web.Response(body = data,content_type="text/plain")  # 將計數(shù)器的值返回@routes.get("/metrics2")async def metrics2(request):  random_value.set(random.randint(0, 10))  # 設(shè)置值任意值，但是一定要為 整數(shù)或者浮點數(shù)  return web.Response(body = prometheus_client.generate_latest(random_value),content_type="text/plain")  # 將值返回@routes.get('/')async def hello(request):  return web.Response(text="Hello, world")# 使用labels來區(qū)分metric的特征c = Counter('requests_total', 'HTTP requests total', ['method', 'clientip']) # 添加lable的key，c.labels('get', '127.0.0.1').inc()    #為不同的label進行統(tǒng)計c.labels('post', '192.168.0.1').inc(3)   #為不同的label進行統(tǒng)計c.labels(method="get", clientip="192.168.0.1").inc()  #為不同的label進行統(tǒng)計g = Gauge('my_inprogress_requests', 'Description of gauge',['mylabelname'])g.labels(mylabelname='str').set(3.6)  #value自己定義,但是一定要為 整數(shù)或者浮點數(shù)if __name__ == '__main__':  logging.info('server start：%s'% datetime.datetime.now())  app = web.Application(client_max_size=int(2)*1024**2)  # 創(chuàng)建app，設(shè)置最大接收圖片大小為2M  app.add_routes(routes)   # 添加路由映射  web.run_app(app,host='0.0.0.0',port=2222)  # 啟動app  logging.info('server close：%s'% datetime.datetime.now())