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Screen capture of the Eclipse Winery topology template editor
Note that in The service template is the basic file format that TOSCA defines, and almost all parts of it, including the topology template, are technically optional. Eclipse Winery manages "service templates" which include topology templates, and saves type definitions in other files (using the same format, but without topology templates). In order to keep a the service template file from becoming unmanagably large and complex, a service template it can include groups of types by reference from other files. Eclipse Winery manages every Every node type and relationship type is managed as a separate file , in Eclipse Winery and included in the service template by reference. When a service template is packaged in a CSAR (cloud service archive) file, all the files referenced by the service template are also included in the archive.
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