private DeploymentStatusFile CreateStatusFile(string id)
{
DeploymentStatusFile deploymentStatusFile = DeploymentStatusFile.Create(GetStatusFilePath(id));
deploymentStatusFile.Id = id;
return(deploymentStatusFile);
}
/// <summary>
/// Ensure the deployment is in a valid state.
/// </summary>
private DeploymentStatusFile VerifyDeployment(string id, bool isDeploying)
{
DeploymentStatusFile statusFile = OpenStatusFile(id);
if (statusFile == null)
{
return(null);
}
if (statusFile.Complete)
{
return(statusFile);
}
// There's an incomplete deployment, yet nothing is going on, mark this deployment as failed
// since it probably means something died
if (!isDeploying)
{
MarkFailed(statusFile);
ILogger logger = GetLogger(id);
logger.LogUnexpetedError();
}
return(statusFile);
}
public static DeploymentStatusFile Open(string id, IEnvironment environment, IAnalytics analytics, IOperationLock statusLock)
{
// status complete file is created infrequently at deployment completion time
// once deployment is completed, it is highly unlikely its status will change
// this helps optimize status read operation avoid taking status lock
DeploymentStatusFile statusComplete = null;
OperationManager.SafeExecute(() =>
{
string path = Path.Combine(environment.DeploymentsPath, id, StatusCompleteFile);
if (FileSystemHelpers.FileExists(path))
{
if (ScmHostingConfigurations.DeploymentStatusCompleteFileEnabled)
{
statusComplete = new DeploymentStatusFile(id, environment, statusLock, FileSystemCache.ReadXml(path));
}
else
{
FileSystemHelpers.DeleteFile(path);
}
}
});
return(statusComplete ?? statusLock.LockOperation(() =>
{
string path = Path.Combine(environment.DeploymentsPath, id, StatusFile);
if (!FileSystemHelpers.FileExists(path))
{
return null;
}
try
{
XDocument document = null;
using (var stream = FileSystemHelpers.OpenRead(path))
{
document = XDocument.Load(stream);
}
return new DeploymentStatusFile(id, environment, statusLock, document);
}
catch (Exception ex)
{
// in the scenario where w3wp is abruptly terminated while xml is being written,
// we may end up with corrupted xml. we will handle the error and remove the problematic directory.
analytics.UnexpectedException(ex);
FileSystemHelpers.DeleteDirectorySafe(Path.GetDirectoryName(path), ignoreErrors: true);
// it is ok to return null as callers already handle null.
return null;
}
}, "Getting deployment status", DeploymentStatusManager.LockTimeout));
}
private void MarkFailed(DeploymentStatusFile currentStatus)
{
if (currentStatus == null)
{
return;
}
currentStatus.Complete = true;
currentStatus.Status = DeployStatus.Failed;
currentStatus.StatusText = String.Empty;
currentStatus.EndTime = DateTime.Now;
currentStatus.Save(_fileSystem);
}
public IDisposable CreateTemporaryDeployment(string statusText)
{
var tracer = _traceFactory.GetTracer();
string id = TemporaryDeploymentId;
using (tracer.Step("Creating temporary deployment"))
{
DeploymentStatusFile statusFile = CreateStatusFile(id);
statusFile.Status = DeployStatus.Pending;
statusFile.StatusText = statusText;
statusFile.Save(_fileSystem);
}
// Return a handle that deletes the deployment on dispose.
return(new DisposableAction(DeleteTemporaryDeployment));
}
/// <summary>
/// Runs post deployment steps.
/// - Marks the active deployment
/// - Sets the complete flag
/// </summary>
private void FinishDeployment(string id, ITracer tracer, IDisposable deployStep)
{
DeploymentStatusFile currentStatus = null;
ILogger logger = null;
try
{
currentStatus = OpenStatusFile(id);
logger = GetLogger(id);
// Write the active deployment file
MarkActive(id);
logger.Log(Resources.Log_DeploymentSuccessful);
currentStatus.Status = DeployStatus.Success;
currentStatus.StatusText = String.Empty;
currentStatus.EndTime = DateTime.Now;
currentStatus.LastSuccessEndTime = currentStatus.EndTime;
currentStatus.Save(_fileSystem);
}
catch (Exception ex)
{
tracer.TraceError(ex);
MarkFailed(currentStatus);
logger.LogUnexpetedError();
}
finally
{
// Set the deployment as complete
currentStatus.Complete = true;
currentStatus.Save(_fileSystem);
ReportStatus(id);
// End the deployment step
deployStep.Dispose();
}
}
private ILogger CreateAndPopulateStatusFile(ITracer tracer, string id, string deployer)
{
ILogger logger = GetLogger(id);
using (tracer.Step("Collecting changeset information"))
{
// Create the status file and store information about the commit
DeploymentStatusFile statusFile = CreateStatusFile(id);
statusFile.Id = id;
ChangeSet changeSet = _serverRepository.GetChangeSet(id);
statusFile.Message = changeSet.Message;
statusFile.Author = changeSet.AuthorName;
statusFile.Deployer = deployer;
statusFile.AuthorEmail = changeSet.AuthorEmail;
statusFile.Save(_fileSystem);
logger.Log(Resources.Log_NewDeploymentReceived);
}
return(logger);
}
public IDeploymentStatusFile Open(string id)
{
return(DeploymentStatusFile.Open(id, _environment, _analytics, _statusLock));
}
public IDeploymentStatusFile Create(string id)
{
return(DeploymentStatusFile.Create(id, _environment, _statusLock));
}
private DeploymentStatusFile CreateStatusFile(string id)
{
return(DeploymentStatusFile.Create(GetStatusFilePath(id)));
}
private DeploymentStatusFile OpenStatusFile(string id)
{
return(DeploymentStatusFile.Open(_fileSystem, GetStatusFilePath(id, ensureDirectory: false)));
}
/// <summary>
/// Builds and deploys a particular changeset. Puts all build artifacts in a deployments/{id}
/// </summary>
private void Build(string id, ITracer tracer, IDisposable deployStep)
{
if (String.IsNullOrEmpty(id))
{
throw new ArgumentException();
}
ILogger logger = null;
DeploymentStatusFile currentStatus = null;
IDisposable buildStep = null;
try
{
logger = GetLogger(id);
ILogger innerLogger = logger.Log(Resources.Log_PreparingDeployment, TrimId(id));
currentStatus = OpenStatusFile(id);
currentStatus.Complete = false;
currentStatus.StartTime = DateTime.Now;
currentStatus.Status = DeployStatus.Building;
currentStatus.StatusText = String.Format(CultureInfo.CurrentCulture, Resources.Status_BuildingAndDeploying, id);
currentStatus.Save(_fileSystem);
ReportStatus(id);
ISiteBuilder builder = null;
try
{
builder = _builderFactory.CreateBuilder(tracer, innerLogger);
}
catch (Exception ex)
{
_globalLogger.Log(ex);
tracer.TraceError(ex);
innerLogger.Log(ex);
MarkFailed(currentStatus);
ReportStatus(id);
deployStep.Dispose();
return;
}
buildStep = tracer.Step("Building");
var context = new DeploymentContext
{
ManifestWriter = GetDeploymentManifestWriter(id),
PreviousMainfest = GetActiveDeploymentManifestReader(),
Tracer = tracer,
Logger = logger,
GlobalLogger = _globalLogger,
OutputPath = _environment.DeploymentTargetPath,
};
builder.Build(context)
.Then(() =>
{
// End the build step
buildStep.Dispose();
// Run post deployment steps
FinishDeployment(id, tracer, deployStep);
})
.Catch(ex =>
{
// End the build step
buildStep.Dispose();
MarkFailed(currentStatus);
ReportStatus(id);
// End the deploy step
deployStep.Dispose();
});
}
catch (Exception ex)
{
tracer.TraceError(ex);
logger.LogUnexpetedError();
if (buildStep != null)
{
buildStep.Dispose();
}
deployStep.Dispose();
}
}
private void NotifyError(ILogger logger, DeploymentStatusFile trackingFile, Exception exception)
{
logger.Log("Deployment failed.", LogEntryType.Error);
// Failed to deploy
trackingFile.Percentage = 100;
trackingFile.Status = DeployStatus.Failed;
trackingFile.StatusText = String.Empty;
trackingFile.DeploymentEndTime = DateTime.Now;
trackingFile.Save(_fileSystem);
}
// Temporary dirty code to install node packages. Switch to real NPM when available
private void DownloadNodePackages(string id, DeploymentStatusFile trackingFile, ILogger logger)
{
var p = new nji.Program();
p.ModulesDir = Path.Combine(_environment.DeploymentTargetPath, "node_modules");
p.TempDir = Path.Combine(p.ModulesDir, ".tmp");
p.Logger = logger;
p.UpdateStatusText = (statusText) => {
trackingFile.StatusText = statusText;
trackingFile.Save(_fileSystem);
NotifyStatus(id);
};
p.InstallDependencies(_environment.DeploymentTargetPath);
}
public void Deploy(string id, string deployer, bool clean)
{
ITracer tracer = _traceFactory.GetTracer();
IDisposable deployStep = null;
try
{
deployStep = tracer.Step("DeploymentManager.Deploy(id)");
// Check to see if we have a deployment with this id already
string trackingFilePath = GetStatusFilePath(id, ensureDirectory: false);
if (!_fileSystem.File.Exists(trackingFilePath))
{
// If we don't then throw
throw new FileNotFoundException(String.Format(CultureInfo.CurrentCulture, Resources.Error_DeployNotFound, id));
}
// Remove the old log file for this deployment id
string logPath = GetLogPath(id);
FileSystemHelpers.DeleteFileSafe(logPath);
ILogger logger = GetLogger(id);
using (tracer.Step("Updating to specific changeset"))
{
// Update to the the specific changeset
_serverRepository.Update(id);
}
if (clean)
{
tracer.Trace("Cleaning git repository");
logger.Log(Resources.Log_CleaningGitRepository);
_serverRepository.Clean();
}
if (!String.IsNullOrEmpty(deployer))
{
// Update the deployer
DeploymentStatusFile statusFile = OpenStatusFile(id);
statusFile.Deployer = deployer;
statusFile.Save(_fileSystem);
}
// Perform the build deployment of this changeset
Build(id, tracer, deployStep);
}
catch (Exception ex)
{
tracer.TraceError(ex);
if (deployStep != null)
{
deployStep.Dispose();
}
throw;
}
}
public IDeploymentStatusFile Open(string id)
{
return(DeploymentStatusFile.Open(id, _fileSystem, _environment, _statusLock));
}
private void MarkFailed(DeploymentStatusFile currentStatus)
{
if (currentStatus == null)
{
return;
}
currentStatus.Complete = true;
currentStatus.Status = DeployStatus.Failed;
currentStatus.StatusText = String.Empty;
currentStatus.EndTime = DateTime.Now;
currentStatus.Save(_fileSystem);
}
private void NotifyError(ILogger logger, DeploymentStatusFile trackingFile, Exception exception)
{
logger.Log("Deployment failed.", LogEntryType.Error);
if (trackingFile != null)
{
// Failed to deploy
trackingFile.Percentage = 100;
trackingFile.Complete = true;
trackingFile.Status = DeployStatus.Failed;
trackingFile.StatusText = trackingFile.Status == DeployStatus.Failed ? logger.GetTopLevelError() : String.Empty;
trackingFile.DeploymentEndTime = DateTime.Now;
trackingFile.Save(_fileSystem);
}
}
