private void ValidateCloudServiceArchive(ToscaCloudServiceArchive toscaCloudServiceArchive)
{
List <ValidationResult> validationResults;
validator.TryValidateRecursively(toscaCloudServiceArchive, out validationResults);
if (validationResults.Any())
{
throw new ToscaValidationException(string.Join(Environment.NewLine,
validationResults.Select(r => r.ErrorMessage)));
}
}
/// <summary>
/// Loads Cloud Service Archive (CSAR) file and all its dependencies
/// </summary>
/// <param name="archiveStream">Stream to Cloud Service Archive (CSAR) zip file</param>
/// <param name="alternativePath">Path for dependencies lookup outside the archive</param>
/// <exception cref="ToscaMetadataFileNotFoundException">Thrown when TOSCA.meta file not found in the archive.</exception>
/// <exception cref="InvalidDataException">The contents of the stream could not be interpreted as a zip archive or the archive is corrupt and cannot be read.</exception>
/// <returns>A valid instance of ToscaCloudServiceArchive</returns>
public ToscaCloudServiceArchive Load(Stream archiveStream, string alternativePath = null)
{
using (var archive = CreateZipArchiveFromStream(archiveStream))
{
var archiveEntries = archive.GetArchiveEntriesDictionary();
var toscaMetaArchiveEntry = GetToscaMetaArchiveEntry(archiveEntries);
var toscaMetadata = metadataParser.Parse(toscaMetaArchiveEntry.Open());
var toscaCloudServiceArchive = new ToscaCloudServiceArchive(toscaMetadata);
LoadDependenciesRecursively(toscaCloudServiceArchive, archiveEntries, toscaMetadata.EntryDefinitions, alternativePath);
ValidateCloudServiceArchive(toscaCloudServiceArchive);
return(toscaCloudServiceArchive);
}
}
/// <summary>
/// Saves Cloud Service Archive to ZIP file
/// </summary>
/// <param name="toscaCloudServiceArchive"></param>
/// <param name="stream"></param>
/// <exception cref="ArgumentException">The stream is already closed or does not support reading.</exception>
/// <exception cref="ArgumentNullException"><paramref name="stream" /> is null.</exception>
/// <exception cref="InvalidDataException">The contents of the stream are not in the zip archive format.</exception>
public void Save(ToscaCloudServiceArchive toscaCloudServiceArchive, Stream stream)
{
using (var zipArchive = new ZipArchive(stream, ZipArchiveMode.Create, true))
{
SaveMetadata(toscaCloudServiceArchive, zipArchive);
foreach (var serviceTemplate in toscaCloudServiceArchive.ToscaServiceTemplates)
{
SaveServiceTemplates(zipArchive, serviceTemplate);
}
foreach (var artifact in toscaCloudServiceArchive.Artifacts)
{
SaveArtifact(zipArchive, artifact.Key, artifact.Value);
}
}
}
public ToscaNodeTypeInheritanceWalker(ToscaCloudServiceArchive cloudServiceArchive, Action <string, ToscaNodeType> action)
{
nodeTypes = cloudServiceArchive.NodeTypes;
graph = new AdjacencyGraph <string, ToscaGraphEdge>();
graph.AddVertexRange(cloudServiceArchive.NodeTypes.Select(_ => _.Key));
foreach (var toscaNodeType in cloudServiceArchive.NodeTypes)
{
if (!toscaNodeType.Value.IsRoot())
{
graph.AddEdge(new ToscaGraphEdge(
toscaNodeType.Value.DerivedFrom,
toscaNodeType.Key));
}
}
this.action = action;
}
private void LoadDependenciesRecursively(ToscaCloudServiceArchive cloudServiceArchive, IReadOnlyDictionary <string, ZipArchiveEntry> zipArchiveEntries, string serviceTemplateName, string alternativePath)
{
if (cloudServiceArchive.ToscaServiceTemplates.ContainsKey(serviceTemplateName))
{
return;
}
var serviceTemplate = LoadToscaServiceTemplate(alternativePath, zipArchiveEntries, serviceTemplateName, cloudServiceArchive);
cloudServiceArchive.AddToscaServiceTemplate(serviceTemplateName, serviceTemplate);
foreach (var nodeType in serviceTemplate.NodeTypes)
{
foreach (var artifact in nodeType.Value.Artifacts)
{
ZipArchiveEntry zipArchiveEntry;
var artifactPath = artifact.Value.File;
if (zipArchiveEntries.TryGetValue(artifactPath, out zipArchiveEntry))
{
cloudServiceArchive.AddArtifact(artifactPath, zipArchiveEntry.Open().ReadAllBytes());
}
if (alternativePath != null)
{
var artifactFullPath = fileSystem.Path.Combine(alternativePath, artifactPath);
if (fileSystem.File.Exists(artifactFullPath))
{
using (var stream = fileSystem.File.Open(artifactFullPath, FileMode.Open))
{
cloudServiceArchive.AddArtifact(artifactPath, stream.ReadAllBytes());
}
}
}
}
}
foreach (var importFile in serviceTemplate.Imports.SelectMany(import => import.Values))
{
LoadDependenciesRecursively(cloudServiceArchive, zipArchiveEntries, importFile.File, alternativePath);
}
}
private ToscaServiceTemplate LoadToscaServiceTemplate(string alternativePath, IReadOnlyDictionary <string, ZipArchiveEntry> archiveEntries, string filePath, ToscaCloudServiceArchive toscaCloudServiceArchive)
{
var importStream = GetImportStream(alternativePath, archiveEntries, filePath);
try
{
return(serviceTemplateParser.Parse(importStream));
}
catch (ToscaBaseException toscaBaseException)
{
throw new ToscaParsingException(
string.Format("Failed to load definitions file {0} due to an error: {1}", filePath, toscaBaseException.GetaAllMessages()),
toscaBaseException);
}
}
/// <summary>
/// Sets archive that the node belongs to
/// </summary>
/// <param name="newCloudServiceArchive"></param>
internal void SetCloudServiceArchive(ToscaCloudServiceArchive newCloudServiceArchive)
{
cloudServiceArchive = newCloudServiceArchive;
}
private void SaveMetadata(ToscaCloudServiceArchive toscaCloudServiceArchive, ZipArchive zipArchive)
{
var metadataEntry = zipArchive.CreateEntry(ToscaCloudServiceArchiveLoader.ToscaMetaFileName);
metadataSerializer.Serialize(metadataEntry.Open(), toscaCloudServiceArchive.ToscaMetadata);
}