[OASIS Issue Tracker] (TOSCA-225) Adding a (untyped) dependency relationship between Node Templates

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

Derek Palma created TOSCA-225:
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             Summary: Adding a (untyped) dependency relationship between Node Templates
                 Key: TOSCA-225
                 URL: https://issues.oasis-open.org/browse/TOSCA-225
             Project: OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC
          Issue Type: New Feature
          Components: Spec - Simple Profile
            Reporter: Derek Palma
            Assignee: Derek Palma


It should be possible to add a dependency between Node Templates without having to change their respective type definitions. This enables service templates to be easily "tweaked" to address ordering issues and is often useful in support, testing and debugging scenarios. 

Note that we should not advocate this practice to avoid defining explicit relationships in Node Type designs. If a node truly has a dependency on another it should be part of the Node Type design, i.e. handled by the designer of the Node Type. It should be considered bad practice for users to have to know to add additional or special dependencies in order to use Node Templates in their topologies.



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