AspNet Core下利用 app-metrics+Grafana + InfluxDB實現高大上的效能監控介面
阿新 • • 發佈：2018-12-14
在日常系統工作中，我們為了洞察系統的問題和運作情況通常會記錄日誌的方式來進行分析，但是在很多情況下都是被動的在出問題後才會去查日誌。在很多時候，我們可能更需要相對實時的瞭解整個系統或者某一時段的執行的情況，諸如系統出錯的頻率以及響應時間等等指標。這些動態的準實時資訊對於監控整個系統的執行和健康狀況非常重要，而本文的主角們能通過很好的配合幫助你實現這個目標，而且是一種高大上的實現方式。想想泡杯茶翹著二郎腿看著偌大的螢幕上有著一堆華麗的儀表和曲線圖，即使看不懂也很牛B的樣子啊！（誰知道我看得懂看不懂呢，是不是？）
Q: 那什麼是App-Metrics? A: App Metrics是一個開源和跨平臺的.NET庫，用於記錄應用程式中各項指標。可以在.NET Core上執行，也可以在支援.NET 4.5.2的完整.NET框架上執行。 App Metrics對底層資料來源做了很好的抽象以支援很多型別的資料庫，例如： InfluxDb、Prometheus、ElasticSearch等等。。 同時他又提供了很多Measurements比如Apdex, Gauges, Counters, Meters, Histograms 等等一大堆
1. 安裝Grafana
Q: 什麼是Grafana？ A: 一個類似Kibana的視覺化資料開源程式，一般配合時間序列資料庫進行配合來展示資料
這裡為了方便使用docker來執行Grafana
docker run -d --name=grafana -p 3000:3000 grafana/grafana

接著我們確認下是否正常運行了
docker ps -a

2. 安裝 InfluxDB
InfluxDb是比較流行的時序資料庫，可以根據需要替換成Prometheus同上為了方便我們還是使用docker來執行 如果你希望每次都能保持之前docker執行收集的資料可以用docker 的-v選項把目錄對映到本機的目錄以便持久化資料
==注意influxdb有2個埠一個是admin一個database==
docker run -d -p 8083:8083 -p 8086:8086 --expose 8090 --expose 8099 tutum/influxdb
如圖另外開一個控制檯我們看到後臺已經運行了2個容器

3. 配置AspNet Core2.x
-
先照常新建一個MVC專案
 -
安裝所需的第三方庫
dotnet add package App.Metrics.Extensions.Mvc dotnet add package App.Metrics.Formatters.Json dotnet add package App.Metrics.Extensions.Reporting.InfluxDB控制檯顯示安裝成功！
 -
修改Startup.cs
using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using App.Metrics.Configuration; using App.Metrics.Extensions.Reporting.InfluxDB; using App.Metrics.Extensions.Reporting.InfluxDB.Client; using App.Metrics.Reporting.Interfaces; using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.HttpsPolicy; using Microsoft.AspNetCore.Mvc; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; namespace WebApplication1 { public class Startup { public Startup(IConfiguration configuration) { Configuration = configuration; } public IConfiguration Configuration { get; } public void ConfigureServices(IServiceCollection services) { #region 註冊 App-Metrics & 配置輸出report到influxdb var database = "MyMetrics"; var uri = new Uri(" http://127.0.0.1:8086 "); //本地Docker中執行的influx例項，注意InfluxDb有2個埠別搞錯 services.AddMetrics(options => { options.WithGlobalTags((globalTags, info) => { globalTags.Add("app", info.EntryAssemblyName); globalTags.Add("env", "stage"); }); }) .AddHealthChecks() .AddReporting( factory => { factory.AddInfluxDb( new InfluxDBReporterSettings { InfluxDbSettings = new InfluxDBSettings(database, uri), ReportInterval = TimeSpan.FromSeconds(5) }); }) .AddMetricsMiddleware(options => options.IgnoredHttpStatusCodes = new[] {404}); #endregion services.Configure<CookiePolicyOptions>(options => { options.CheckConsentNeeded = context => true; options.MinimumSameSitePolicy = SameSiteMode.None; }); //新增Metric Filter到mvc services.AddMvc(options => options.AddMetricsResourceFilter()) .SetCompatibilityVersion(CompatibilityVersion.Version_2_1); } // This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory, IApplicationLifetime lifetime) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } else { app.UseExceptionHandler("/Home/Error"); app.UseHsts(); } app.UseHttpsRedirection(); app.UseStaticFiles(); app.UseCookiePolicy(); loggerFactory.AddConsole(Configuration.GetSection(" Logging ")); app.UseMetrics(); app.UseMetricsReporting(lifetime); app.UseMvc(routes => { routes.MapRoute( name: "default", template: "{controller=Home}/{action=Index}/{id?}"); }); } } } -
接下來就是配置豪華的Grafana了！ 開啟瀏覽器試著訪問docker內執行的Grafana容器，預設的使用者名稱和密碼是admin/admin 不用擔心，第一次登入成功後系統會要求你重新設定新的密碼，很貼心！！
登入成功後，配置Datasource當然是選擇我們之前執行的InfluxDb

按圖進行配置

提交後，如下圖顯示即配置成功

接著就是建立你的Dashboard，可以自己建立也可以自己配置json檔案匯入，網上有很多例子可以直接下載
{
"__inputs": [],
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "4.2.0"
},
{
"type": "panel",
"id": "grafana-piechart-panel",
"name": "Pie Chart",
"version": "1.1.4"
},
{
"type": "panel",
"id": "graph",
"name": "Graph",
"version": ""
},
{
"type": "panel",
"id": "singlestat",
"name": "Singlestat",
"version": ""
},
{
"type": "panel",
"id": "table",
"name": "Table",
"version": ""
}
],
"annotations": {
"list": []
},
"description": "Dashboard to visualize metrics captured by App Metrics ASP.NET Core Middleware 1.2.0, tested with App.Metrics.Extensions.Reporting.InfluxDB 1.2.0 - http://app-metrics.io/",
"editable": true,
"gnetId": 2125,
"graphTooltip": 1,
"hideControls": false,
"id": null,
"links": [],
"refresh": "5s",
"rows": [
{
"collapse": true,
"height": "250",
"panels": [
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "$datasource",
"editable": true,
"error": false,
"format": "rpm",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 8,
"interval": "",
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 2,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"targets": [
{
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__transactions",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"rate1m"
],
"type": "field"
},
{
"params": [],
"type": "last"
}
]
],
"tags": [
{
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": "",
"title": "Throughput",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(50, 172, 45, 0.97)",
"rgba(237, 129, 40, 0.89)",
"rgba(245, 54, 54, 0.9)"
],
"datasource": "$datasource",
"decimals": 4,
"editable": true,
"error": false,
"format": "percent",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 6,
"interval": null,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "",
"text": "",
"to": ""
}
],
"span": 2,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": true,
"lineColor": "rgb(31, 120, 193)",
"show": true
},
"targets": [
{
"dsType": "influxdb",
"groupBy": [],
"measurement": "application.httprequests__one_minute_error_percentage_rate",
"policy": "default",
"query": "SELECT \"value\" FROM \"application.httprequests__percentage_error_requests\" WHERE $timeFilter",
"rawQuery": false,
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"value"
],
"type": "field"
}
]
],
"tags": [
{
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": "",
"title": "Error %",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "0%",
"value": "null"
}
],
"valueName": "current"
},
{
"aliasColors": {},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 2,
"id": 13,
"interval": "$summarize",
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": false,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"span": 4,
"stack": false,
"steppedLine": false,
"targets": [
{
"alias": "",
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__active",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"value"
],
"type": "field"
},
{
"params": [],
"type": "last"
}
]
],
"tags": [
{
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Active Requests",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {
"application.httprequests__apdex.last": "#6ED0E0"
},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 1,
"height": "",
"id": 7,
"interval": "$summarize",
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": false,
"total": false,
"values": false
},
"lines": true,
"linewidth": 3,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"span": 4,
"stack": false,
"steppedLine": false,
"targets": [
{
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__apdex",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"score"
],
"type": "field"
},
{
"params": [],
"type": "last"
}
]
],
"tags": [
{
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": [
{
"colorMode": "critical",
"fill": true,
"line": true,
"op": "lt",
"value": 0.5
},
{
"colorMode": "warning",
"fill": true,
"line": true,
"op": "gt",
"value": 0.5
},
{
"colorMode": "ok",
"fill": true,
"line": true,
"op": "gt",
"value": 0.75
}
],
"timeFrom": null,
"timeShift": null,
"title": "Apdex score",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": "apdex",
"logBase": 1,
"max": "1",
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
]
},
{
"aliasColors": {},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 1,
"height": "350",
"id": 1,
"interval": "$summarize",
"legend": {
"avg": false,
"current": true,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"span": 6,
"stack": false,
"steppedLine": false,
"targets": [
{
"alias": "$col",
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__transactions",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"rate1m"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"1 min rate"
],
"type": "alias"
}
],
[
{
"params": [
"rate5m"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"5 min rate"
],
"type": "alias"
}
],
[
{
"params": [
"rate15m"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"15 min rate"
],
"type": "alias"
}
]
],
"tags": [
{
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Throughput",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "rpm",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 1,
"height": "350",
"id": 2,
"interval": "$summarize",
"legend": {
"alignAsTable": false,
"avg": false,
"current": false,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"span": 6,
"stack": false,
"steppedLine": false,
"targets": [
{
"alias": "$col",
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__transactions",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
"p95"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"95th Percentile"
],
"type": "alias"
}
],
[
{
"params": [
"p98"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"98th Percentile"
],
"type": "alias"
}
],
[
{
"params": [
"p99"
],
"type": "field"
},
{
"params": [],
"type": "last"
},
{
"params": [
"99th Percentile"
],
"type": "alias"
}
]
],
"tags": [
{
"key": "env",
"operator": "=~",
"value": "/^$environment$/"
},
{
"condition": "AND",
"key": "app",
"operator": "=~",
"value": "/^$application$/"
},
{
"condition": "AND",
"key": "server",
"operator": "=~",
"value": "/^$server$/"
}
]
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Response Time",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "ms",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 1,
"height": "",
"id": 9,
"interval": "$summarize",
"legend": {
"alignAsTable": true,
"avg": false,
"current": true,
"max": false,
"min": false,
"rightSide": true,
"show": false,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"span": 6,
"stack": false,
"steppedLine": false,
"targets": [
{
"alias": "",
"dsType": "influxdb",
"groupBy": [
{
"params": [
"$interval"
],
"type": "time"
},
{
"params": [
"null"
],
"type": "fill"
}
],
"measurement": "application.httprequests__one_minute_error_percentage_rate",
"policy": "default",
"refId": "A",
"resultFormat": "time_series",
"select": [
[
{
"params": [
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