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1 Analysis content

Mainly focus on the TOSCA types currently included and used in SDC which can be found  in https://gerrit.onap.org/r/gitweb?p=sdc.git;a=tree;f=catalog-be/src/main/resources/import/tosca;hb=refs/heads/master,  except the heat-types (directory)

The analysis is based on the following specification :

TOSCA Simple Profile YAML 1.2 Referecne:  http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/TOSCA-Simple-Profile-YAML-v1.2.html  [TOSCA-YAML-1.2]

ESTI NFV-SOL 001 V2.5.1 Reference: https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/001/02.05.01_60/gs_NFV-SOL001v020501p.pdf  [SOL001]

                                                           https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/001/02.05.01_60/gs_NFV-SOL001v020501p0.zip (YAML definitions)

TOSCA Simple Profile YAML NFV 1.0 Referecne:  http://docs.oasis-open.org/tosca/tosca-nfv/v1.0/tosca-nfv-v1.0.html [TOSCA-NFV]  (According to Former user (Deleted)TOSCA-NFV's conent has already been incorporated by the early version of  [SOL001], and no longer being updated).

Analysis by different types

2 Analysis Result

According to the analysis results, the model problems found can be summarized into four categories：

  • A :  Not comply with tosca grammar 
    This classification is used to record types that don't comply with the basic tosca  syntax specification

  • B1:  Not comply with existing TOSCA-simple-YAML-1.2
  • B2: Not comply with existing SOL001-v2.5.1
    Type definitions quite like the types which defined in specification, but still have some difference， such as base type difference, property difference, etc


  • C:  SDC private extension 
    This classification is used to record SDC private extension 

  • D:  Use Case private extension
    This classification is used to record  the extension types which used to support specific use case 

2.1 Analysis Statistics and Suggestion

Class Type Number which belongs to this classThe Issue ExampleSuggestion
A3
SDC 
org.openecomp.annotations.Source:
    description: Indicates the origin source of an input
    properties:
        source_type:
          type: string
        vf_module_label:
          type: list
          description: List of VF Modules this input was originated from
          entry_schema:
            type: string
        param_name:
            type: string
            description: Source parameter name

Missing derived_from in the definition

Fix it to align with the correct TOSCA grammar


B

58

B1 14

B1 issue example:

B1 Fix it to align with the TOSCA spec
B2: 44

B2 issue example:


Fix it to align with the SOL001 spec

C90

Grammar is complied with TOSCA spec, but defined by SDC only, those are not included in TOSCA spec or SOL001 spec.

  • Which types have to be kept ?
  • Which types can be replaced by the TOSCA normative types as defined in tosca-simple-profile-yaml or NFV types as defined in SOL001, or the types as defined in the target internal DM (ONAP Target Internal DM (TIDM), Base Proposal)
D17

Grammar is complied with TOSCA spec, but defined and used by SDC for a specific use case or vendor, those are not included in TOSCA spec or SOL001 spec.

  • Which types have to be kept ?
  • Which types can be replaced by the TOSCA normative types as defined in tosca-simple-profile-yaml or NFV types as defined in SOL001

2.2 Options to fix the above issues

Option

Description

Option1Fix A and B (including B1 and B2) in Dublin release
Option2

Fix all the issues (A, B, C and D) in Dublin release

Option3

Keep it without any fix, and only correct them when designing the new target internal DM (TIDM):

  • The rules for designing TIDM have to be considered and decided in Dublin release, e.g.,

Issue A and B1 have to be avoid
B2 should align with the SOL001 spec
C should be obsoleted and replaced by TIDM or other on-boarding DM (e.g. SOL001)
D should be obsoleted and replaced by TIDM or other on-boarding DM (e.g. SOL001)
Other rules?

  • Provide guidance and suggestion for the related projects about using which TOSCA parser (SDC TOSCA Parser or NFV Parser).
Option4..........






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