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Subject: [OASIS Issue Tracker] (TOSCA-161) WD02 - Need examples of using the built-in feature (Capability) and dependency (Requirement) of tosca.nodes.Root
[ https://issues.oasis-open.org/browse/TOSCA-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44053#comment-44053 ]
Matthew Rutkowski edited comment on TOSCA-161 at 8/28/14 5:14 PM:
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Hi Luc,
In terms of the definition, it is correct using our existing semantics, as a requirement is fulfilled either by a Node Type (which has implicit capabilities) or a an explicit Capability which is included on a Node Type. I believe the "gap" is that no where do we say (nor in schema can we prove) that a Node Type represents a a packaged set of Capabilities. This is an interesting question and could be addressed in schema or addressed in prose/text.
In any event, I do not want to lose your commentary when we get back to this issue.
FYI, I had been in favor of removing the built-in "dependency"; however Thomas points out this allows "simple" (optional) declaration of dependencies as template authors create node templates (which is very good) without needed to create (subclass a new type) which I am completely in support of.
was (Author: mrutkows):
Hi Luc,
In terms of the definition, it is correct using our existing semantics, as a requirement is fulfilled either by a Node Type (which has implicit capabilities) or a an explicit Capability which is included on a Node Type. I believe the "gap" is that no where do we say (nor in schema can we prove) that a Node Type represents a a packaged set of Capabilities. This is an interesting question and could be addressed in schema or addressed in prose/text.
In any event, I do not want to lose your commentary when we get back to this issue.
FYI, I have been in favor of removing the built-in "dependency"; however Thomas believes this allows "simple" (optional) declaration of dependencies as template authors create node templates (which is very good) without needed to create (subclass a new type) which I am completely in support of.
> WD02 - Need examples of using the built-in feature (Capability) and dependency (Requirement) of tosca.nodes.Root
> ----------------------------------------------------------------------------------------------------------------
>
> Key: TOSCA-161
> URL: https://issues.oasis-open.org/browse/TOSCA-161
> Project: OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC
> Issue Type: Improvement
> Components: Profile-YAML
> Affects Versions: CSD2
> Reporter: Matthew Rutkowski
> Assignee: Thomas Spatzier
> Fix For: CSD2
>
>
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