internal async Task <List <Report> > Analyze(Log log, string sessionId, string blobSasUri, CancellationToken ct)
{
// Get a lease to analzye this particular log
Lease lease = Infrastructure.LeaseManager.TryGetLease(log.RelativePath, blobSasUri);
if (!Lease.IsValid(lease))
{
return(null);
}
// Run the analyzer command
var outputDir = CreateTemporaryReportDestinationFolder(log);
await RunAnalyzerAsync(lease, log, outputDir, sessionId, ct);
// Store the reports to blob storage
var reports = MoveReportsToPermanentStorage(outputDir);
if (reports == null || reports.Count == 0 || reports.Any(x => x.FileName.EndsWith(".err.diaglog")))
{
string analyzerException = string.Empty;
if (reports.Any(x => x.FileName.EndsWith(".err.diaglog")))
{
var report = reports.FirstOrDefault(x => x.FileName.EndsWith(".err.diaglog"));
string errorFileName = report.FullPermanentStoragePath;
if (System.IO.File.Exists(errorFileName))
{
analyzerException = System.IO.File.ReadAllText(errorFileName);
}
}
throw new DiagnosticToolHasNoOutputException(Name, analyzerException);
}
// Return the reports (we'll just let the lease expire on its own so that we can hold on to it until the reports have been logged in the session)
return(reports.Where(x => !x.FileName.EndsWith(".diaglog")).ToList());
}
private async Task SaveUpdatesAsync(bool waitForLease)
{
Logger.LogDiagnostic("Time to save a new update for session {0}", SessionId);
// Grab a lease on the session
Lease sessionLease;
if (waitForLease)
{
sessionLease = Infrastructure.LeaseManager.GetLease(RelativePath, string.Empty);
}
else
{
sessionLease = Infrastructure.LeaseManager.TryGetLease(RelativePath, string.Empty);
}
Logger.LogDiagnostic("Do I have a lease?");
if (!Lease.IsValid(sessionLease))
{
Console.WriteLine("Nope. Darn it");
return;
}
Logger.LogDiagnostic("I do! Sweet!");
int retryCount = 0;
retryLabel:
if (retryCount > 2)
{
goto Finished;
}
try
{
Logger.LogSessionVerboseEvent($"About to save the new session with retryCount = {retryCount} and SessionId = {SessionId.ToString()}", SessionId.ToString());
// Save the session
Save(sessionLease);
Logger.LogSessionVerboseEvent($"Session {SessionId.ToString()} saved successfully", SessionId.ToString());
}
catch (IOException ioException)
{
if (ioException.Message.StartsWith("The process cannot access the file", StringComparison.InvariantCultureIgnoreCase))
{
Logger.LogSessionErrorEvent($"The Session is in use. Waiting for 5 seconds and retrying", ioException, SessionId.ToString());
await Task.Delay(5000);
++retryCount;
LoadLatestUpdates(false);
goto retryLabel;
}
}
catch (Exception e)
{
Logger.LogSessionErrorEvent("Couldn't save the updated session", e, SessionId.ToString());
}
try
{
MoveSessionToCorrectStorageFolderBasedOnStatus();
Logger.LogDiagnostic("Saved the session");
}
catch (Exception e)
{
Logger.LogSessionErrorEvent("Couldn't move session to correct folders", e, SessionId.ToString());
}
Finished:
sessionLease.Release();
}