public void GetBuildpack(StagingStartMessageRequest message, string gitPath, string buildpacksDir)
{
try
{
this.CreatePrison();
if (message.Properties.Buildpack != null)
{
Logger.Info("Staging task {0}: Downloading buildpack from {1}", this.Properties.TaskId, message.Properties.Buildpack);
Directory.CreateDirectory(Path.Combine(this.Workspace.TempDir, "buildpacks"));
string buildpackPath = Path.Combine(this.Workspace.TempDir, "buildpacks", Path.GetFileName(new Uri(message.Properties.Buildpack).LocalPath));
string command = string.Format("\"{0}\" clone --quiet --recursive {1} {2}", gitPath, message.Properties.Buildpack, buildpackPath);
Logger.Debug(command);
int success = Command.ExecuteCommand(command, this.Workspace.TempDir);
if (success != 0)
{
throw new Exception(string.Format("Failed to git clone buildpack. Exit code: {0}", success));
}
this.Buildpack = new Buildpack(buildpackPath, Path.Combine(this.Workspace.StagedDir, "app"), this.Workspace.Cache, this.Workspace.StagingLogPath);
bool detected = this.Buildpack.Detect(this.Prison);
if (!detected)
{
throw new Exception("Buildpack does not support this application.");
}
}
else
{
Logger.Info("Staging task {0}: Detecting buildpack", this.Properties.TaskId);
foreach (string dir in Directory.EnumerateDirectories(buildpacksDir))
{
DEAUtilities.DirectoryCopy(dir, Path.Combine(this.Workspace.TempDir, "buildpack"), true);
Buildpack bp = new Buildpack(Path.Combine(this.Workspace.TempDir, "buildpack"), Path.Combine(this.Workspace.StagedDir, "app"), this.Workspace.Cache, this.Workspace.StagingLogPath);
bool success = bp.Detect(this.Prison);
if (success)
{
this.Buildpack = bp;
break;
}
else
{
Directory.Delete(Path.Combine(this.Workspace.TempDir, "buildpack"), true);
}
}
if (this.Buildpack == null)
{
throw new Exception("Unable to detect a supported application type");
}
Logger.Info("Staging task {0}: Detected buildpack {1}", this.Properties.TaskId, this.Buildpack.Name);
}
this.Properties.DetectedBuildpack = this.Buildpack.Name;
}
finally
{
if (this.Prison.Created)
{
this.Prison.Destroy();
}
}
}
private void Stage()
{
string appDir = Path.Combine(this.workspace.StagedDir, "app");
string logsDir = Path.Combine(this.workspace.StagedDir, "logs");
string tmpDir = Path.Combine(this.workspace.StagedDir, "tmp");
Directory.CreateDirectory(appDir);
Directory.CreateDirectory(logsDir);
Directory.CreateDirectory(tmpDir);
DEAUtilities.DirectoryCopy(this.workspace.UnstagedDir, appDir, true);
Buildpack buildpack = null;
if (this.Message.Properties.Buildpack != null)
{
Logger.Info("Staging task {0}: Downloading buildpack from {1}", this.TaskId, this.Message.Properties.Buildpack);
Directory.CreateDirectory(Path.Combine(this.workspace.TempDir, "buildpacks"));
string buildpackPath = Path.Combine(this.workspace.TempDir, "buildpacks", Path.GetFileName(new Uri(this.Message.Properties.Buildpack).LocalPath));
string command = string.Format("\"{0}\" clone --recursive {1} {2}", this.gitExe, this.Message.Properties.Buildpack, buildpackPath);
int success = Command.ExecuteCommand(command);
if (success != 0)
{
throw new Exception("Failed to git clone buildpack");
}
buildpack = new Buildpack(buildpackPath, appDir, this.workspace.Cache, this.workspace.StagingLogPath);
bool detected = buildpack.Detect(this.prison);
if (!detected)
{
throw new Exception("Buildpack does not support this application");
}
}
else
{
Logger.Info("Staging task {0}: Detecting buildpack", this.TaskId);
foreach (string dir in Directory.EnumerateDirectories(this.buildpacksDir))
{
Buildpack bp = new Buildpack(dir, appDir, this.workspace.Cache, this.workspace.StagingLogPath);
bool success = bp.Detect(this.prison);
if (success)
{
buildpack = bp;
break;
}
}
if (buildpack == null)
{
throw new Exception("Unable to detect a supported application type");
}
Logger.Info("Staging task {0}: Detected buildpack {1}", this.TaskId, buildpack.Name);
}
Logger.Info("Staging task {0}: Running compilation script", this.TaskId);
buildpack.Compile(this.prison, this.stagingTimeout);
Logger.Info("Staging task {0}: Saving buildpackInfo", this.TaskId);
StagingInfo.SaveBuildpackInfo(Path.Combine(this.workspace.StagedDir, StagingWorkspace.StagingInfo), buildpack.Name, GetStartCommand(buildpack));
}
public void PrepareStagingDirs()
{
string appDir = Path.Combine(this.Workspace.StagedDir, "app");
string logsDir = Path.Combine(this.Workspace.StagedDir, "logs");
string tmpDir = Path.Combine(this.Workspace.StagedDir, "tmp");
Directory.CreateDirectory(appDir);
Directory.CreateDirectory(logsDir);
Directory.CreateDirectory(tmpDir);
DEAUtilities.DirectoryCopy(this.Workspace.UnstagedDir, appDir, true);
}