[英]How do you track custom events from Azure WebJobs in Application Insights?
我有一個Azure WebJobs(v2.2.0)項目,我想使用Application Insights(AI)進行監視,並且我希望能夠跟蹤一些事件。 在配置為使用AI的普通Web應用程序中,您可以使用以下命令:
TelemetryClient tc = new TelemetryClient();
tc.TrackEvent("EventName");
但是,這似乎不適用於WebJob! 我已經按照WebJob SDK存儲庫上的說明配置了WebJob項目,最終看起來像這樣:
using System.Configuration;
using System.Diagnostics;
using Microsoft.Azure.WebJobs;
using Microsoft.Extensions.Logging;
namespace WebJobs
{
public class Program
{
public static void Main()
{
JobHostConfiguration config = new JobHostConfiguration();
config.UseTimers();
using (LoggerFactory loggerFactory = new LoggerFactory())
{
string key = ConfigurationManager.AppSettings["webjob-instrumentation-key"];
loggerFactory.AddApplicationInsights(key, null);
loggerFactory.AddConsole();
config.LoggerFactory = loggerFactory;
config.Tracing.ConsoleLevel = TraceLevel.Off;
if (config.IsDevelopment)
config.UseDevelopmentSettings();
JobHost host = new JobHost(config);
host.RunAndBlock();
}
}
}
}
這只是一個測試功能,它將每分鍾運行半小時。
using Core.Telemetry;
using Microsoft.ApplicationInsights;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Timers;
using System;
using System.Collections.Generic;
namespace WebJobs.Functions
{
public class TestFunctions
{
public void TelemetryTest([TimerTrigger(typeof(Schedule))] TimerInfo timer)
{
TelemetryClient tc = new TelemetryClient();
tc.TrackEvent("TelemetryTestEvent");
}
// schedule that will run every minute
public class Schedule : DailySchedule
{
private static readonly string[] times =
{
"12:01","12:02","12:03","12:04","12:05","12:06","12:07","12:08","12:09","12:10",
"12:11","12:12","12:13","12:14","12:15","12:16","12:17","12:18","12:19","12:20",
"12:21","12:22","12:23","12:24","12:25","12:26","12:27","12:28","12:29","12:30"
};
public Schedule() : base(times) { }
}
}
}
這似乎部分起作用,因為我可以看到AI中的一些遙測,但看不到自定義事件。 例如,在WebJob初始化期間,每次TestFunctions.TelemetryTest()
運行時,我都可以看到一個Request以及各種Trace 。
我可能沒有正確配置某些東西,或者沒有以正確的方式獲取TelemetryClient
,但是在WebJobs中找不到有關跟蹤自定義事件的任何文檔。
任何幫助,將不勝感激。
嘗試顯式設置Instrumentation鍵:
tc.Context.InstrumentationKey = "<your_key>";
根據文檔,您應該能夠使用
System.Environment.GetEnvironmentVariable(
"APPINSIGHTS_INSTRUMENTATIONKEY", EnvironmentVariableTarget.Process)
如果您已設置應用程序見解集成。
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