// Process transforms Template object into List object. It generates
// Parameter values using the defined set of generators first, and then it
// substitutes all Parameter expression occurrences with their corresponding
// values (currently in the containers' Environment variables only).
func (p *Processor) Process(template *api.Template) fielderrors.ValidationErrorList {
templateErrors := fielderrors.ValidationErrorList{}
if err := p.GenerateParameterValues(template); err != nil {
return append(templateErrors.Prefix("Template"), fielderrors.NewFieldInvalid("parameters", err, "failure to generate parameter value"))
}
for i, item := range template.Objects {
if obj, ok := item.(*runtime.Unknown); ok {
// TODO: use runtime.DecodeList when it returns ValidationErrorList
obj, err := runtime.UnstructuredJSONScheme.Decode(obj.RawJSON)
if err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("objects", err, "unable to handle object"))
continue
}
item = obj
}
newItem, err := p.SubstituteParameters(template.Parameters, item)
if err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("parameters", template.Parameters, err.Error()))
}
stripNamespace(newItem)
if err := util.AddObjectLabels(newItem, template.ObjectLabels); err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("labels", err, "label could not be applied"))
}
template.Objects[i] = newItem
}
return templateErrors
}
// Process transforms Template object into List object. It generates
// Parameter values using the defined set of generators first, and then it
// substitutes all Parameter expression occurrences with their corresponding
// values (currently in the containers' Environment variables only).
func (p *Processor) Process(template *api.Template) fielderrors.ValidationErrorList {
templateErrors := fielderrors.ValidationErrorList{}
if err, badParam := p.GenerateParameterValues(template); err != nil {
return append(templateErrors.Prefix("Template"), fielderrors.NewFieldInvalid("parameters", *badParam, err.Error()))
}
for i, item := range template.Objects {
if obj, ok := item.(*runtime.Unknown); ok {
// TODO: use runtime.DecodeList when it returns ValidationErrorList
decodedObj, err := runtime.UnstructuredJSONScheme.Decode(obj.RawJSON)
if err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("objects", obj, "unable to handle object"))
continue
}
item = decodedObj
}
newItem, err := p.SubstituteParameters(template.Parameters, item)
if err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("parameters", template.Parameters, err.Error()))
}
// If an object definition's metadata includes a namespace field, the field will be stripped out of
// the definition during template instantiation. This is necessary because all objects created during
// instantiation are placed into the target namespace, so it would be invalid for the object to declare
//a different namespace.
stripNamespace(newItem)
if err := util.AddObjectLabels(newItem, template.ObjectLabels); err != nil {
util.ReportError(&templateErrors, i, *fielderrors.NewFieldInvalid("labels", err, "label could not be applied"))
}
template.Objects[i] = newItem
}
return templateErrors
}
