Azure Logging Part 1: Log file sync

app.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
  </configSections>
  <log4net>
    <appender name="FileAppender" type="log4net.Appender.FileAppender">
      <file value="logs\log-file.txt" />
      <appendToFile value="true" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
    </appender>
    <root>
      <level value="INFO" />
      <appender-ref ref="FileAppender" />
    </root>
  </log4net>
</configuration>

WorkerRole.cs

using System;
using System.IO;
using System.Threading;
using Microsoft.WindowsAzure;
using Microsoft.WindowsAzure.Diagnostics;
using Microsoft.WindowsAzure.ServiceRuntime;
using log4net;
using log4net.Config;

namespace WorkerRole
{
    public class WorkerRole : RoleEntryPoint
    {
        private ILog _logger;

        public override void Run()
        {
            XmlConfigurator.Configure();

            _logger = LogManager.GetLogger(GetType());

            _logger.Info("Starting Worker Role");

            while (true)
            {
                Thread.Sleep(10000);
                _logger.Info("Waiting 10 Seconds");
            }
        }

        public override bool OnStart()
        {
            var logFilePath = Path.Combine(Environment.CurrentDirectory, "logs");

            var logDir = new DirectoryConfiguration
                                {
                                    Container = "wad-log4net",
                                    DirectoryQuotaInMB = 100,
                                    Path = logFilePath
                                };

            var diagnostics = DiagnosticMonitor.GetDefaultInitialConfiguration();
            diagnostics.Directories.ScheduledTransferPeriod = TimeSpan.FromMinutes(1);
            diagnostics.Directories.DataSources.Add(logDir);

            CloudStorageAccount account = CloudStorageAccount.Parse(
                RoleEnvironment.GetConfigurationSettingValue(
                    "Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString"));

            DiagnosticMonitor.Start(account, diagnostics);

            return base.OnStart();
        }
    }
}