SiteConfigurationProvider.cs

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.IO;
using Microsoft.Extensions.Configuration;

namespace Microsoft.Extensions.Logging.AzureAppServices
{
    internal class SiteConfigurationProvider
    {
        public static IConfiguration GetAzureLoggingConfiguration(IWebAppContext context)
        {
            var settingsFolder = Path.Combine(context.HomeFolder, "site", "diagnostics");
            var settingsFile = Path.Combine(settingsFolder, "settings.json");

            return new ConfigurationBuilder()
                .AddEnvironmentVariables()
                .AddJsonFile(settingsFile, optional: true, reloadOnChange: true)
                .Build();
        }
    }
}