/// <summary>
/// Executes the post install steps
/// </summary>
/// <param name="postStepDetails"></param>
internal static void ExecutePostSteps(PostStepDetails postStepDetails)
{
InstallLogger installLogger = new InstallLogger(new RootLogger(Level.ALL));
try
{
//Load the metadata from the update package
MetadataView metedateView = UpdateHelper.LoadMetadata(postStepDetails.PostStepPackageFilename);
List<ContingencyEntry> logMessages = new List<ContingencyEntry>();
//Execute the post install steps
DiffInstaller diffInstaller = new DiffInstaller(UpgradeAction.Upgrade);
diffInstaller.ExecutePostInstallationInstructions(postStepDetails.PostStepPackageFilename, postStepDetails.HistoryPath, InstallMode.Update, metedateView, installLogger, ref logMessages);
//Move the update package into the history folder
File.Move(postStepDetails.PostStepPackageFilename, Path.Combine(postStepDetails.HistoryPath, Path.GetFileName(postStepDetails.PostStepPackageFilename)));
}
catch (Exception ex)
{
Log.Fatal("Post step execution failed", ex, "InstallPackage");
}
finally
{
//Write logs
installLogger.WriteMessages(Path.Combine(postStepDetails.HistoryPath, "Install.log"));
}
}
/// <summary>
/// Writes the notification .json to the install folder
/// </summary>
/// <param name="status"></param>
/// <param name="postStepDetails"></param>
public static void NotifiyPackageComplete(string status, PostStepDetails postStepDetails)
{
try
{
using (StreamWriter sw = File.CreateText(postStepDetails.ResultFileName))
{
CompletionNotification completionNotification = new CompletionNotification
{
Status = status,
ServerName = Environment.MachineName,
DeployHistoryPath = postStepDetails.HistoryPath
};
sw.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(completionNotification));
}
}
catch (Exception ex)
{
Log.Fatal("Error posting to notification url", ex, typeof(InstallPackage));
}
}
/// <summary>
/// Creates a file that causes post install steps to be executed at startup
/// </summary>
/// <param name="updatePackageFilename"></param>
/// <param name="historyPath"></param>
private void RunPostStepsAtStartup(string updatePackageFilename, string historyPath)
{
string startupPostStepPackageFile = Path.Combine(_packageSource, STARTUP_POST_STEP_PACKAGE_FILENAME);
//remove post step flag file if it exists
if (File.Exists(startupPostStepPackageFile))
{
File.Delete(startupPostStepPackageFile);
}
PostStepDetails details = new PostStepDetails
{
HistoryPath = historyPath,
PostStepPackageFilename = updatePackageFilename,
};
XmlSerializer serializer = new XmlSerializer(typeof(PostStepDetails));
using (TextWriter writer = new StreamWriter(startupPostStepPackageFile))
{
serializer.Serialize(writer, details);
}
}
/// <summary>
/// Installs the packages found in the package source folder.
/// </summary>
private void InstallPackages()
{
//Check to see if there is a post-step pending, and skip package install if there is
if (File.Exists(Path.Combine(_packageSource, STARTUP_POST_STEP_PACKAGE_FILENAME)))
{
Log.Info("Install packages skipped because there is a post step pending", this);
return;
}
InstallLogger installLogger = new InstallLogger(new RootLogger(Level.ALL));
//Return if another installation is happening
if (GetInstallerState() != InstallerState.Ready)
{
Log.Info(string.Format("Install packages skipped because install state is {0}. ", GetInstallerState()), this);
return;
}
//Block further package installs
SetInstallerState(InstallerState.InstallingPackage);
using (new SecurityDisabler())
{
//Find pending packages. This loop may not complete if there were binary/config changes
foreach (string updatePackageFilename in Directory.GetFiles(_packageSource, "*.update", SearchOption.TopDirectoryOnly).OrderBy(f => f))
{
string updatePackageFilenameStripped = updatePackageFilename.Split('\\').Last();
if (ShutdownDetected)
{
Log.Info("Install packages aborting due to shutdown", this);
break;
}
//Prevent shutdown
using (new ShutdownGuard())
{
Log.Info(String.Format("Begin Installation: {0}", updatePackageFilenameStripped), this);
PackageInstallationInfo installationInfo = new PackageInstallationInfo
{
Action = UpgradeAction.Upgrade,
Mode = InstallMode.Install,
Path = updatePackageFilename
};
string installationHistoryRoot = null;
List<ContingencyEntry> logMessages = new List<ContingencyEntry>();
PostStepDetails postStepDetails = new PostStepDetails
{
PostStepPackageFilename = updatePackageFilename,
ResultFileName = Path.Combine(Path.GetDirectoryName(updatePackageFilename), Path.GetFileNameWithoutExtension(updatePackageFilename) + ".json")
};
string installStatus = null;
try
{
//Run the installer
logMessages = UpdateHelper.Install(installationInfo, installLogger, out installationHistoryRoot);
postStepDetails.HistoryPath = installationHistoryRoot;
if (_updateConfigurationFiles)
{
FindAndUpdateChangedConfigs(Path.GetFileNameWithoutExtension(updatePackageFilename));
}
//Sleep for 4 seconds to see if there was a file change that could cause a problem
Thread.Sleep(4000);
//Abort if Sitecore is shutting down. The install post steps will have to be completed later
if (ShutdownDetected)
{
SetInstallerState(InstallerState.WaitingForPostSteps);
RunPostStepsAtStartup(updatePackageFilename, installationHistoryRoot, postStepDetails);
RestartSitecoreServer();
break;
}
else
{
ExecutePostSteps(installLogger, postStepDetails);
installStatus = SUCCESS;
Log.Info(String.Format("Installation Complete: {0}", updatePackageFilenameStripped), this);
SetInstallerState(InstallerState.Ready);
}
}
catch (PostStepInstallerException ex)
{
installStatus = FAIL;
logMessages = ex.Entries;
installationHistoryRoot = ex.HistoryPath;
installLogger.Fatal("Package install failed", ex);
throw ex;
}
catch (Exception ex)
{
installStatus = FAIL;
Log.Error(String.Format("Installation Failed: {0}", updatePackageFilenameStripped), ex, this);
installLogger.Fatal("Package install failed", ex);
ThreadPool.QueueUserWorkItem(new WaitCallback((ctx) =>
{
try
{
//The update package may be locked because the file object hasn't been disposed. Wait for it.
Thread.Sleep(100);
//I really hate this, but I couldn't find another reliable way to ensure the locked file is closed before I move it.
GC.Collect(2);
GC.WaitForPendingFinalizers();
File.Move(updatePackageFilename, updatePackageFilename + ".error_" + DateTime.Now.ToString("yyyyMMdd.hhmmss"));
}
catch (Exception ex1)
{
Log.Error("Error moving broken package", ex1, this);
}
}));
break;
}
finally
{
if (installationHistoryRoot != null)
{
//Write logs
installLogger.WriteMessages(Path.Combine(installationHistoryRoot, "Install.log"));
SaveInstallationMessages(installationHistoryRoot, logMessages);
}
//Send the status if there is one
if (installStatus != null)
{
NotifiyPackageComplete(installStatus, postStepDetails);
}
}
}
}
if (!ShutdownDetected)
{
//Allow additional installs
SetInstallerState(InstallerState.Ready);
}
}
}
