Introduce Default Behavior to Clear out Old Summary Log File (#522)

* Allow for user to write a brand new summary file. Default is to write to new file.

* Also make sure that the file upload monitor looks for the right file.

* remove additional constructor.

* Remove string interpolation designation from summary file string.

* Update to version 2.0.22

---------

Co-authored-by: CJ Hillbrand <cjhillbrand@microsoft.com>

Author: cjhillbrand

VERSION

@@ -1 +1 @@
-2.0.21
+2.0.22

src/VirtualClient/VirtualClient.Core/Logging/SummaryFile/SummaryFileLogger.cs

@@ -30,6 +30,7 @@ namespace VirtualClient.Logging
     /// </summary>
     public class SummaryFileLogger : ILogger, IFlushableChannel, IDisposable
     {
+        internal const string DefaultFileName = "summary.txt";
         internal const int MaxLineLength = 250;
         private static readonly Encoding ContentEncoding = Encoding.UTF8;
         private static readonly string DashLine = new string('-', 100);
@@ -57,10 +58,7 @@ public SummaryFileLogger(string filePath, IAsyncPolicy retryPolicy = null)
             if (string.IsNullOrWhiteSpace(filePath))
             {
                 PlatformSpecifics tempPlatformSpecifics = new PlatformSpecifics(Environment.OSVersion.Platform, RuntimeInformation.ProcessArchitecture);
-                ISystemInfo systemInfo = new SystemManagement();
-                string experimentId = systemInfo.ExperimentId;
-                string suffix = string.IsNullOrEmpty(experimentId) ? string.Empty : $"-{experimentId}";
-                filePath = tempPlatformSpecifics.Combine(tempPlatformSpecifics.LogsDirectory, $"summary{suffix}.txt");
+                filePath = tempPlatformSpecifics.Combine(tempPlatformSpecifics.LogsDirectory, DefaultFileName);
             }
 
             this.filePath = filePath;
@@ -464,6 +462,11 @@ await this.fileAccessRetryPolicy.ExecuteAsync(async () =>
                     {
                         await this.semaphore.WaitAsync();
 
+                        if (this.fileSystem.File.Exists(this.filePath))
+                        {
+                            await this.fileSystem.File.DeleteAsync(this.filePath);
+                        }
+
                         using (FileSystemStream fileStream = this.fileSystem.FileStream.New(this.filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
                         {
                             if (fileStream.Length == 0)

src/VirtualClient/VirtualClient.Monitors/FileUploadMonitor.cs

@@ -240,8 +240,7 @@ private async Task UploadSummaryFileAsync(IBlobManager blobManager, EventContext
         {
             try
             {
-                string suffix = string.IsNullOrEmpty(this.ExperimentId) ? string.Empty : $"-{this.ExperimentId}";
-                string summaryTxtFileLocation = Path.Combine(this.PlatformSpecifics.LogsDirectory, $"summary{suffix}.txt");
+                string summaryTxtFileLocation = Path.Combine(this.PlatformSpecifics.LogsDirectory, "summary.txt");
                 bool summaryTxtFileExists = this.fileSystem.File.Exists(summaryTxtFileLocation);
                 telemetryContext
                     .AddContext(nameof(summaryTxtFileLocation), summaryTxtFileLocation)