提要:使用 docker 运行 InfluxDB、Grafana 实时监控 api 网关性能。
Dockerfile 运行 InfluxDB、Grafana
1 | influxdb: |
配置 Grafana
- 浏览器打开
<本地ip>:3000
,使用默认账号登录 - 添加数据源
在Configuration中点击Add data source按钮,输入你安装的InfluxDB数据库信息 - 点击仪表板设置模板
在API网关中App.Metrics
安装必要的nuget包1
2
3
4
5> App.Metrics
> App.Metrics.AspNetCore.Endpoints
> App.Metrics.AspNetCore.Reporting
> App.Metrics.AspNetCore.Tracking
> App.Metrics.Reporting.InfluxDB
ConfigureServices 配置
StartUp.cs1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19public void ConfigureServices(IServiceCollection services)
{
...
services.AddOptions();
services.Configure<AppMetricsOptions>(Configuration.GetSection("AppMetrics"));
services.AddAppMetrics(Configuration);
services.AddOcelot(Configuration);
}
public void Configure(ILoggerFactory loggerFactory, IApplicationBuilder app, IHostingEnvironment env)
{
app.UseMetricsAllEndpoints();
app.UseMetricsAllMiddleware();
app.UseOcelot();
}
ServiceCollectionExtensions.cs1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44public static class ServiceCollectionExtensions
{
public static IServiceCollection AddAppMetrics(this IServiceCollection services, IConfiguration configuration)
{
var options = services.BuildServiceProvider()
.GetRequiredService<IOptions<AppMetricsOptions>>()?.Value;
if (options?.IsOpen == true)
{
var uri = new Uri(options.ConnectionString);
var metrics = AppMetrics.CreateDefaultBuilder().Configuration.Configure(opt =>
{
opt.AddAppTag(options.App);
opt.AddEnvTag(options.Env);
}).Report.ToInfluxDb(opt =>
{
opt.InfluxDb.BaseUri = uri;
opt.InfluxDb.Database = options.DatabaseName;
opt.InfluxDb.UserName = options.UserName;
opt.InfluxDb.Password = options.Password;
opt.HttpPolicy.BackoffPeriod = TimeSpan.FromSeconds(30);
opt.HttpPolicy.FailuresBeforeBackoff = 5;
opt.HttpPolicy.Timeout = TimeSpan.FromSeconds(10);
opt.FlushInterval = TimeSpan.FromSeconds(5);
}).Build();
services.AddMetrics(metrics);
services.AddMetricsReportScheduler();
services.AddMetricsTrackingMiddleware();
services.AddMetricsEndpoints();
}
return services;
}
}
public class AppMetricsOptions
{
public bool IsOpen { get; set; }
public string DatabaseName { get; set; }
public string ConnectionString { get; set; }
public string UserName { get; set; }
public string Password { get; set; }
public string App { get; set; }
public string Env { get; set; }
}