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ApplyTransformation adjusts yaml file based on substitution map It unzip csar file, find target yaml file and apply transformation function Compress csar back as new csar file.

NfdYamlPropertyTransformer - substitution callback.

Reader read file Example: var topology models.CSAR find inside a zip NFD parse it and return t, err := csar.Reader("/tests/smokeping-cnf.csar", "NFD.yaml", topology) b, err := yaml.Marshal(&t) fmt.Println(string(b)).

YamlParser - parser callback.