public static void PurgeBuildArtifactsIfNecessary(string sitePackagesPath, BuildArtifactType fileExtension, ITracer tracer, int totalAllowedFiles)
{
string extension = fileExtension.ToString().ToLowerInvariant();
IEnumerable <string> fileNames = FileSystemHelpers.GetFiles(sitePackagesPath, $"*.{extension}");
if (fileNames.Count() > totalAllowedFiles)
{
// Order the files in descending order of the modified date and remove the last (N - allowed zip files).
var fileNamesToDelete = fileNames.OrderByDescending(fileName => FileSystemHelpers.GetLastWriteTimeUtc(fileName)).Skip(totalAllowedFiles);
foreach (var fileName in fileNamesToDelete)
{
using (tracer.Step("Deleting outdated zip file {0}", fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception ex)
{
tracer.TraceError(ex, "Unable to delete zip file {0}", fileName);
}
}
}
}
}
/// <summary>
/// Package every files and sub directories from a source folder
/// </summary>
/// <param name="context">The deployment context in current scope</param>
/// <param name="srcDirectory">The source directory to be packed</param>
/// <param name="artifactDirectory">The destination directory to eject the build artifact</param>
/// <param name="artifactFilename">The filename of the build artifact</param>
/// <param name="artifactType">The method for packing the artifact</param>
/// <param name="numBuildArtifacts">The number of temporary artifacts should be hold in the destination directory</param>
/// <returns></returns>
private string PackageArtifactFromFolder(DeploymentContext context, string srcDirectory, string artifactDirectory, string artifactFilename, BuildArtifactType artifactType, int numBuildArtifacts = 0)
{
context.Logger.Log($"Writing the artifacts to a {artifactType.ToString()} file");
string file = Path.Combine(artifactDirectory, artifactFilename);
var exe = ExternalCommandFactory.BuildExternalCommandExecutable(srcDirectory, artifactDirectory, context.Logger);
try
{
switch (artifactType)
{
case BuildArtifactType.Zip:
exe.ExecuteWithProgressWriter(context.Logger, context.Tracer, $"zip -r -0 -q {file} .");
break;
case BuildArtifactType.Squashfs:
exe.ExecuteWithProgressWriter(context.Logger, context.Tracer, $"mksquashfs . {file} -noappend");
break;
default:
throw new ArgumentException($"Received unknown file extension {artifactType.ToString()}");
}
}
catch (Exception)
{
context.GlobalLogger.LogError();
throw;
}
// Just to be sure that we don't keep adding build artifacts here
if (numBuildArtifacts > 0)
{
DeploymentHelper.PurgeBuildArtifactsIfNecessary(artifactDirectory, artifactType, context.Tracer, numBuildArtifacts);
}
return(file);
}