protected override void OnLockAcquired() { OperationManager.SafeExecute(() => { // Create Sentinel file for DWAS to check // DWAS will check for presence of this file incase a an app setting based recycle needs to be performed in middle of deployment // If this is present, DWAS will postpone the recycle so that deployment goes through first if (!String.IsNullOrEmpty(siteRoot)) { FileSystemHelpers.CreateDirectory(Path.Combine(siteRoot, @"ShutdownSentinel")); string sentinelPath = Path.Combine(siteRoot, @"ShutdownSentinel\Sentinel.txt"); if (!FileSystemHelpers.FileExists(sentinelPath)) { var file = FileSystemHelpers.CreateFile(sentinelPath); file.Close(); } // DWAS checks if write time of this file is in the future then only postpones the recycle FileInfoBase sentinelFileInfo = FileSystemHelpers.FileInfoFromFileName(sentinelPath); sentinelFileInfo.LastWriteTimeUtc = DateTime.UtcNow.AddMinutes(20); } }); IRepositoryFactory repositoryFactory = RepositoryFactory; if (repositoryFactory != null) { IRepository repository = repositoryFactory.GetRepository(); if (repository != null) { // Clear any left over repository-related lock since we have the actual lock repository.ClearLock(); } } }
public bool Acquire(ITracer tracer) { lock (_lock) { try { // No timeout makes this call instant. No waiting for acquistion bool acquired = _shutdownSemaphore.Wait(millisecondsTimeout: 0); if (!acquired) { tracer.Trace("Could not acquire shutdown semaphore", new Dictionary <string, string> { { "SemaphoreCount", _shutdownSemaphore.CurrentCount.ToString() } }); return(false); } //tracer.Trace("Acquired shutdown semaphore", new Dictionary<string, string> //{ // { "SemaphoreCount", _shutdownSemaphore.CurrentCount.ToString() } //}); OperationManager.SafeExecute(() => { if (Environment.IsAzureEnvironment() && OSDetector.IsOnWindows()) { string siteRoot = PathUtilityFactory.Instance.ResolveLocalSitePath(); // Create Sentinel file for DWAS to check // DWAS will check for presence of this file incase a an app setting based recycle needs to be performed in middle of deployment // If this is present, DWAS will postpone the recycle so that deployment goes through first if (!string.IsNullOrEmpty(siteRoot)) { FileSystemHelpers.CreateDirectory(Path.Combine(siteRoot, @"ShutdownSentinel")); string sentinelPath = Path.Combine(siteRoot, @"ShutdownSentinel\Sentinel.txt"); if (!FileSystemHelpers.FileExists(sentinelPath)) { //tracer.Trace("Creating shutdown sentinel file", new Dictionary<string, string> //{ // { "SemaphoreCount", _shutdownSemaphore.CurrentCount.ToString() } //}); var file = FileSystemHelpers.CreateFile(sentinelPath); file.Close(); } tracer.Trace("Updating shutdown sentinel last write time", new Dictionary <string, string> { { "SemaphoreCount", _shutdownSemaphore.CurrentCount.ToString() } }); // DWAS checks if write time of this file is in the future then only postpones the recycle FileInfoBase sentinelFileInfo = FileSystemHelpers.FileInfoFromFileName(sentinelPath); sentinelFileInfo.LastWriteTimeUtc = DateTime.UtcNow.AddMinutes(20); } } }); } catch (Exception ex) { tracer.TraceError(ex); return(false); } return(true); } }