public static void CreateVirtualMachine(VMRequest vmToProcess, VMFSupportContext db)
{
#region Start VM Creation process
#region Lauch conditions
// Check for launch conditions
Console.WriteLine("Checking for launch conditions.");
// Call the lauunch checker module
bool readyToLounch = false;
ValidateLaunch launchValidator = new ValidateLaunch();
readyToLounch = launchValidator.VerifyLaunchConditions();
Console.WriteLine("Completed with the result [{0}]", readyToLounch.ToString());
// dump the screen info
Console.WriteLine("Checking lounch conditions: {0}", "<TBD> Lounch conditions status");
#endregion
if (readyToLounch) { Console.WriteLine(String.Format("Reserving VM request : {0} ({1})", vmToProcess.MachineName, vmToProcess.Id)); vmToProcess.RequestStatus = (int)RequestStatus.Queued; vmToProcess.ProcessLog = ""; var valErrors = db.GetValidationErrors(); if (valErrors.Count() > 0) { foreach (var valErr in valErrors) { foreach (var valerrCol in valErr.ValidationErrors) { Console.WriteLine(String.Format("Validation errors on update: {0} - {1}", valerrCol.PropertyName, valerrCol.ErrorMessage)); } } } else db.SaveChanges(); Console.WriteLine(String.Format("Calling the StartProcess for VM : {0} ({1})", vmToProcess.MachineName, vmToProcess.Id)); vmToProcess.RequestStatus = (int)RequestStatus.InProgress; vmToProcess.ProcessLog = "Copying and importing base VM."; db.SaveChanges(); string baseVmSourcePath = DefaultConfigurationStore.Current.BaseVmSourcePath; string destinationFolder = vmToProcess.DestinationFolder; string baseVmConfigFile = DefaultConfigurationStore.Current.BaseVmConfigFilePath.Replace(baseVmSourcePath, destinationFolder); string newVmName = vmToProcess.DisplayName; string baseVmName = DefaultConfigurationStore.Current.BaseVmName; HyperVHelper.CopyAndImportVM( baseVmName, baseVmSourcePath, destinationFolder, baseVmConfigFile, newVmName); vmToProcess.ProcessLog = "Preloading boot data."; db.SaveChanges(); string driveLetter = DefaultConfigurationStore.Current.TemporaryDriveLetter; string dismPath = DefaultConfigurationStore.Current.DismPath; string vmId = vmToProcess.Id.ToString(); string vmStatusSvcUrl = DefaultConfigurationStore.Current.VmfStatusServiceUrl; string cfgFileName = DefaultConfigurationStore.Current.VmfConfigFile; HyperVHelper.PreLoadVHDBootData( driveLetter, dismPath, vmToProcess.DisplayName, vmId, vmStatusSvcUrl, cfgFileName); vmToProcess.ProcessLog = "Starting VM."; db.SaveChanges(); HyperVHelper.StartVM(vmToProcess.DisplayName); Console.WriteLine(String.Format("Transferred control for MDT for VM: {0} ({1})", vmToProcess.MachineName, vmToProcess.Id)); }
else { Console.WriteLine("No resources available at the moment. Skipping cycle"); Thread.Sleep(DefaultConfigurationStore.Current.WaitTimeBetweenCicles * 1000); }
#endregion
}
public static void DeployVirtualMachineForDownload(VMRequest vmToProcess, VMFSupportContext db)
{
Debug.WriteLine("VM [{1}]({0}) Shutting down.", vmToProcess.Id, vmToProcess.DisplayName); if (HyperVHelper.StopVM(vmToProcess.DisplayName)) { Debug.WriteLine("VM [{1}]({0}) Compressing", vmToProcess.Id, vmToProcess.DisplayName); vmToProcess.RequestStatus = (int)RequestStatus.Packaging; vmToProcess.ProcessLog = "Compressing VHD file."; db.SaveChanges(); VMFinalization finalization = new VMFinalization(); Guid internalId = Guid.NewGuid(); string dropFolder = string.Format( DefaultConfigurationStore.Current.VhdSplitDropLocationTemplate, internalId); if (finalization.FinalizeVM( vmToProcess.DisplayName, dropFolder, DefaultConfigurationStore.Current.VhdSplitBlockSize, null, null)) { Debug.WriteLine("VM [{1}]({0}) Updating request information", vmToProcess.Id, vmToProcess.DisplayName); vmToProcess.RequestStatus = (int)RequestStatus.Deploying; vmToProcess.ProcessLog = "Deploying result."; db.SaveChanges(); vmToProcess.VMOutputs.Clear(); DirectoryInfo dirInfo = new DirectoryInfo(dropFolder); foreach (FileInfo file in dirInfo.GetFiles()) { VMOutput vmOut = new VMOutput(); vmOut.FileName = file.Name; vmOut.DownloadUrl = string.Concat(DefaultConfigurationStore.Current.BaseVmDownloadUrl, "/", internalId, "/", file.Name); vmOut.VMRequest = vmToProcess; vmOut.VMRequestId = vmToProcess.Id; vmOut.VMTemplate = vmToProcess.VMTemplate; vmOut.VMTemplateId = vmToProcess.VMTemplate.Id; vmOut.CreatedOn = file.CreationTime.ToUniversalTime(); vmOut.LastModified = file.LastWriteTime; vmOut.Log += "File added to the VM Output file list."; vmToProcess.VMOutputs.Add(vmOut); } Debug.WriteLine("VM [{1}]({0}) Sending email to the user", vmToProcess.Id, vmToProcess.DisplayName); try { EmailHelper.SendConfirmationEmail( vmToProcess.DisplayName, vmToProcess.CreatedBy, vmToProcess.VMOutputs ); } catch (Exception ex) { Console.WriteLine("Processing Error (unable to send email alert) \n {0} \n {1}\n\n", ex.Message, ex.StackTrace); } vmToProcess.RequestStatus = (int)RequestStatus.ReadyForPickup; vmToProcess.ProcessLog = "Done."; var valErrors = db.GetValidationErrors(); if (valErrors.Count() > 0) { foreach (var valErr in valErrors) { foreach (var valerrCol in valErr.ValidationErrors) { Console.WriteLine("Validation errors on update: {0} - {1}", valerrCol.PropertyName, valerrCol.ErrorMessage); } } } else db.SaveChanges(); if (HyperVHelper.RemoveVM(vmToProcess.DisplayName)) { try { DirectoryInfo dir = new DirectoryInfo(vmToProcess.DestinationFolder); dir.Delete(true); } catch (Exception ex) { Console.WriteLine("Processing Error (unable to delete VM info) \n {0} \n {1}\n\npath: ", ex.Message, ex.StackTrace, vmToProcess.DestinationFolder); } } else { Console.WriteLine("Processing Error (unable to remove VM from Hyper-V)"); } } } else { Console.WriteLine("Unable to stop machine: {0}", vmToProcess.DisplayName); }
}
static void Main(string[] args)
{
Console.WriteLine(string.Format("{0}: VM Factory Orchestration Simulator", DateTime.UtcNow)); Console.WriteLine(string.Format("{0}: Hit CRT+C to exit.", DateTime.UtcNow)); bool isCriticalException = false; while (true) { using (VMFSupportContext db = new VMFSupportContext()) { try { Console.WriteLine(string.Format("\n{0}: Checking request queue.", DateTime.UtcNow)); var queuedVms = db.VMRequests.Where(c => (c.RequestStatus == null || c.RequestStatus == (int)RequestStatus.None || c.RequestStatus == (int)RequestStatus.InstallationCompleted)); if (queuedVms.Count() > 0) { Console.WriteLine(string.Format("{1}: Found {0} VMs queued.", queuedVms.Count(), DateTime.UtcNow)); VMRequest vmToProcess = queuedVms.First(); if (vmToProcess.RequestStatus == (int)RequestStatus.None) { CreateVM.CreateVirtualMachine(vmToProcess, db); } if (vmToProcess.RequestStatus == (int)RequestStatus.InstallationCompleted) { Console.WriteLine( string.Format( "{2}: VM [{1}]({0}) ready for finalization", vmToProcess.Id, vmToProcess.DisplayName, DateTime.UtcNow)); DeployVM.DeployVirtualMachineForDownload(vmToProcess, db); } } else { Console.WriteLine(string.Format("{0}: No VMs on the queue!", DateTime.UtcNow)); Thread.Sleep(DefaultConfigurationStore.Current.WaitTimeBetweenCicles * 1000); } } catch (InvalidOperationException ioe) { Console.WriteLine(string.Format("{0}: Failed! Exception detail bellow.", DateTime.UtcNow)); Console.WriteLine( string.Format( "{2}: Processing Error \n {0} \n {1}", ioe.Message, ioe.StackTrace, DateTime.UtcNow)); isCriticalException = true; } catch (Exception ex) { Console.WriteLine( string.Format( "{2}: Processing Error \n {0} \n {1}", ex.Message, ex.StackTrace, DateTime.UtcNow)); } finally { } if (isCriticalException) { Console.WriteLine(string.Format("{0}: Critical error found. Operation stopped. Press <RETURN> to exit.", DateTime.UtcNow)); if (DefaultConfigurationStore.Current.RequestUserConfirmation) Console.ReadLine(); return; } Thread.Sleep(10000); } }
}
/// <summary>
/// Saves this instance.
/// The only properties saved/updated will be the: request status and last udpdated date.
/// </summary>
/// <returns></returns>
public bool Save()
{
bool result = false; try { using (var db = new VMFSupportContext()) { VMRequest request = (from v in db.VMRequests where v.Id == this.Id select v).First(); if (request == null) throw new TechnicalException("Virtual machine request not found!"); if (request.RequestStatus != (int)this.Status) { request.RequestStatus = (int)this.Status; request.LastUpdated = DateTime.UtcNow; } if (request.ProcessLog != this.ProcessLog) { request.ProcessLog = this.ProcessLog; request.LastUpdated = DateTime.UtcNow; } db.SaveChanges(); result = true; } } catch (Exception e) { ExceptionManager.HandleException(e); throw; } return result;
}
public VirtualMachineRequest( long Id)
{
using (var db = new VMFSupportContext()) { var x = db.VMRequests; var requests = from r in db.VMRequests where r.Id == Id select r; if (requests.Count() == 0) throw new ArgumentException("Virtual machine couldn't be found!"); else Populate(requests.First()); }
}
/// <summary>
/// Gets the next virtual machine request.
/// </summary>
/// <returns></returns>
public static VirtualMachineRequest GetNextVirtualMachineRequest()
{
VirtualMachineRequest result = null; try { using (var db = new VMFSupportContext()) { var x = db.VMRequests; var dbRequests = from r in db.VMRequests where r.RequestStatus == (int)RequestStatus.None orderby r.CreatedOn select r; result = new VirtualMachineRequest(dbRequests.First<VMRequest>()); } } catch (Exception e) { } return result;
}