How to set the minimum loglevel with serilog's application insights sink - azure-application-insights

Question

I'm using Serilog to log to application insights, but I am only getting the log levels warning, error, and critical to be logged. In appsettings.json, I have the minimum loglevel set to verbose, and this logs everything with the file and console sinks.
By default, application insights can only logs Warning and above. In code (in configure logging), I can add a filter to override this default of warning and above. I preferer to do this in appsettings, with the other logging configuration.
How so I use appsettings to allow Serilog to log all levels to Application Insights?
I am getting some logs in application insights so the connectivity is
working.
I see all loglevels in the logfile and on the console.
Where configuting logging,if I add LogLevel filer (commented out) I can make it work. I needs to work from appsettings.
host.ConfigureLogging(
loggingBuilder =>
{
var configuration = new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.Build();
var logger = new LoggerConfiguration()
.ReadFrom.Configuration(configuration)
.CreateLogger();
loggingBuilder.AddApplicationInsights();
loggingBuilder.AddSerilog(logger, dispose: true);
//loggingBuilder.AddFilter<ApplicationInsightsLoggerProvider>("", LogLevel.Trace);
}
);
This is my code and the results:
Here is my appsettings:
"Serilog": {
"AllowedHosts": "*",
"Enrich": [ "WithMachineName" ],
"MinimumLevel": {
"Default": "Verbose",
"Override": {
"Microsoft": "Warning",
"System": "Warning"
}
},
"WriteTo": [
{
"Name": "Console"
},
{
"Name": "File",
"Args": {
"fileSizeLimitBytes": "1048576",
"formatter": "Serilog.Formatting.Compact.CompactJsonFormatter, Serilog.Formatting.Compact , Version=1.0.0.0, Culture=neutral, PublicKeyToken=24c2f752a8e58a10",
"path": "c:\\LogFiles\\Publisher\\Test1\\_log.txt",
"retainedFileCountLimit": null,
"rollingInterval": "Day",
"rollOnFileSizeLimit": "true"
}
},
{
"Name": "ApplicationInsights",
"Args": {
"restrictedToMinimumLevel": "Verbose",
"telemetryConverter": "Serilog.Sinks.ApplicationInsights.Sinks.ApplicationInsights.TelemetryConverters.TraceTelemetryConverter, Serilog.Sinks.ApplicationInsights"
}
}
]
},

Answer 1

Here's my testing result:
I created my asp.net core mvc application and here's my appsettings.json:
{
"AllowedHosts": "*",
"Serilog": {
"Using": [],
"MinimumLevel": "Verbose",
"WriteTo": [
{
"Name": "Console",
"Args": {
"restrictedToMinimumLevel": "Verbose",
"outputTemplate": "{Timestamp:HH:mm:ss.fff zzz} [{Level}] {Message} {NewLine}{Exception}"
}
},
{
"Name": "ApplicationInsights",
"Args": {
"instrumentationKey": "instrument_key_here",
"restrictedToMinimumLevel": "Verbose",
"telemetryConverter": "Serilog.Sinks.ApplicationInsights.Sinks.ApplicationInsights.TelemetryConverters.TraceTelemetryConverter, Serilog.Sinks.ApplicationInsights"
}
}
],
"Enrich": [ "FromLogContext", "WithMachineName", "WithThreadId"],
"Properties": {
"Application": "Sample"
}
}
}
My program.cs, add read configuration code and add UseSerilog():
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Serilog;
namespace serilog_appsetting_file_appinsights
{
public class Program
{
public static void Main(string[] args)
{
var configuration = new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.Build();
Log.Logger = new LoggerConfiguration()
.ReadFrom.Configuration(configuration)
.CreateLogger();
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
}).UseSerilog();
}
}
My packages:
<ItemGroup>
<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.17.0" />
<PackageReference Include="Serilog.AspNetCore" Version="4.1.0" />
<PackageReference Include="Serilog.Settings.Configuration" Version="3.1.0" />
<PackageReference Include="Serilog.Sinks.ApplicationInsights" Version="3.1.0" />
</ItemGroup>
My controller file:
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Serilog;
using serilog_appsetting_file_appinsights.Models;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
namespace serilog_appsetting_file_appinsights.Controllers
{
public class HomeController : Controller
{
private readonly ILogger<HomeController> _logger;
public HomeController(ILogger<HomeController> logger)
{
_logger = logger;
}
public IActionResult Index()
{
Log.Verbose("serilog_verbose_info");
Log.Debug("serilog_debug_info");
Log.Information("serilog_information_info");
Log.Warning("serilog_warning_info");
Log.Error("serilog_error_info");
return View();
}
public IActionResult Privacy()
{
return View();
}
[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
public IActionResult Error()
{
return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
}
}
}
When debuging in localhost, we can see app insights capturing logs like this, and see console log