.Net Core 2.0+ InfluxDB+Grafana+App Metrics 实现跨平台的实时性能监控

{
  "Logging": {
    "IncludeScopes": false,
    "Debug": {
      "LogLevel": {
        "Default": "Warning"
      }
    },
    "Console": {
      "LogLevel": {
        "Default": "Warning"
      }
    }
  },
  "InfluxDB": {
    "IsOpen": true,
    "DataBaseName": "AppMetricsDemo",
    "ConnectionString": "http://10.10.134.109:8086",
    "username": "admin",
    "password": "123456",
    "app": "RepairApp",
    "env": "stage"
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using App.Metrics;

namespace Demo
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            #region Metrics监控配置
            string IsOpen = Configuration.GetSection("InfluxDB")["IsOpen"].ToLower();
            if (IsOpen == "true")
            {
                string database = Configuration.GetSection("InfluxDB")["DataBaseName"];
                string InfluxDBConStr = Configuration.GetSection("InfluxDB")["ConnectionString"];
                string app = Configuration.GetSection("InfluxDB")["app"];
                string env = Configuration.GetSection("InfluxDB")["env"];
                string username = Configuration.GetSection("InfluxDB")["username"];
                string password = Configuration.GetSection("InfluxDB")["password"];

                var uri = new Uri(InfluxDBConStr);

                var metrics = AppMetrics.CreateDefaultBuilder()
                .Configuration.Configure(
                options =>
                {
                    options.AddAppTag(app);
                    options.AddEnvTag(env);
                })
                .Report.ToInfluxDb(
                options =>
                {
                    options.InfluxDb.BaseUri = uri;
                    options.InfluxDb.Database = database;
                    options.InfluxDb.UserName = username;
                    options.InfluxDb.Password = password;
                    options.HttpPolicy.BackoffPeriod = TimeSpan.FromSeconds(30);
                    options.HttpPolicy.FailuresBeforeBackoff = 5;
                    options.HttpPolicy.Timeout = TimeSpan.FromSeconds(10);
                    options.FlushInterval = TimeSpan.FromSeconds(5);
                })
                .Build();

                services.AddMetrics(metrics);
                services.AddMetricsReportScheduler();
                services.AddMetricsTrackingMiddleware();
                services.AddMetricsEndpoints();

            }
            #endregion

            services.AddMvc();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            #region 注入Metrics
            string IsOpen = Configuration.GetSection("InfluxDB")["IsOpen"].ToLower();
            if (IsOpen == "true")
            {
                app.UseMetricsAllMiddleware();
                // Or to cherry-pick the tracking of interest
                app.UseMetricsActiveRequestMiddleware();
                app.UseMetricsErrorTrackingMiddleware();
                app.UseMetricsPostAndPutSizeTrackingMiddleware();
                app.UseMetricsRequestTrackingMiddleware();
                app.UseMetricsOAuth2TrackingMiddleware();
                app.UseMetricsApdexTrackingMiddleware();

                app.UseMetricsAllEndpoints();
                // Or to cherry-pick endpoint of interest
                app.UseMetricsEndpoint();
                app.UseMetricsTextEndpoint();
                app.UseEnvInfoEndpoint();
            }
            #endregion

            app.UseMvc();
        }
    }
}