/// <summary>
/// Loads ToscaServiceTemplate from file
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
/// <exception cref="ToscaParsingException">Thrown when file is not valid according to YAML or TOSCA</exception>
public ToscaServiceTemplate Load(string filePath)
{
using (var stream = fileSystem.File.Open(filePath, FileMode.Open))
{
return(toscaParser.Parse(stream));
}
}
public void ToscaMetadata_Deserialized_Successfully()
{
var toscaMeta = @"
TOSCA-Meta-File-Version: 1.0
CSAR-Version: 1.1
Created-By: OASIS TOSCA TC
Entry-Definitions: definitions/tosca_elk.yaml";
using (var memoryStream = toscaMeta.ToMemoryStream())
{
var toscaMetadata = metadataParser.Parse(memoryStream);
toscaMetadata.ToscaMetaFileVersion.Should().Be(new Version("1.0"));
toscaMetadata.CsarVersion.Should().Be(new Version("1.1"));
toscaMetadata.CreatedBy.Should().Be("OASIS TOSCA TC");
toscaMetadata.EntryDefinitions.Should().Be("definitions/tosca_elk.yaml");
}
}
/// <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);
}
}
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);
}
}