public IBlueprintPackage TryGetBlueprintPackage(IBlueprintPackage parent, string blueprint)
{
if (parent.Exists(_fileSystem.PathCombine(blueprint, "workflow.yaml")))
{
return(new DependencyBlueprintPackage(_fileSystem, parent, blueprint));
}
return(null);
}
public override bool FileExists(string filePath)
{
return(_blueprintPackage.Exists(filePath));
}
public bool Exists(string path) => _parent.Exists(ActualPath(path));
public (ITemplateEngine templateEngine, WorkflowModel workflow, object effectiveValues) Load(IBlueprintPackage blueprint, object values, Action <string, Action <TextWriter> > generateOutput)
{
var templateEngine = _templateEngineFactory.Create(new TemplateEngineOptions
{
FileSystem = new BlueprintPackageFileSystem(blueprint)
});
var providedValues = values;
if (blueprint.Exists("values.yaml"))
{
using (var reader = blueprint.OpenText("values.yaml"))
{
var defaultValues = _serializers.YamlDeserializer.Deserialize(reader);
if (values == null)
{
values = defaultValues;
}
else
{
values = MergeUtils.Merge(values, defaultValues);
}
}
}
var premodelValues = values;
if (blueprint.Exists("model.yaml"))
{
var model = templateEngine.Render <object>("model.yaml", values);
if (model != null)
{
values = MergeUtils.Merge(model, values);
}
}
var workflowContents = new StringBuilder();
using (var workflowWriter = new StringWriter(workflowContents))
{
templateEngine.Render("workflow.yaml", values, workflowWriter);
}
// NOTE: the workflow is rendered BEFORE writing these output files because it may contain
// calls to the "secret" helper which will redact tokens that might have been provided in values
// write values to output folder
generateOutput("values.yaml", writer => _serializers.YamlSerializer.Serialize(writer, values));
// write workflow to output folder
generateOutput("workflow.yaml", writer => writer.Write(workflowContents.ToString()));
var workflow = _serializers.YamlDeserializer.Deserialize <WorkflowModel>(new StringReader(workflowContents.ToString()));
foreach (var generatedFile in blueprint.GetGeneratedPaths())
{
using (var generatedContent = blueprint.OpenText(generatedFile))
{
generateOutput($"generated/{generatedFile}", writer => writer.Write(generatedContent.ReadToEnd()));
}
}
return(templateEngine, workflow, values);
}
