As part of the overall datajob solution there must be an interface for data flow between the NCMP-lib in DCM and the DMI Plugin.

This story involves the design and implementation of that interface for both the DMI request and response.

  • Define new REST interface :
    • Method: POST
    • Path: /dmi/v1/dataJob/{requestId}

Acceptance Criteria (pending stakeholder agreement):

  1. New Interface DMI-I-02 with document and diagram updates. Both Wiki and RTD
  2. Define swagger for request/response (additional info for forwarding data job request : moduleSetTag, privateProperties, dataProducerId, requestId)
  3. Agree and implement yaml for this interface
  4. Stakeholder acceptance of yaml

Proposed DMI REST Interface & Forwarded DMI Java Request Data Structure from NCMP

openapi: 3.0.3
info:
  title: NCMP Data Subjob API
  description: Support datajobs through one or more subjob for each DMI and Data Producer Identifier combination
  version: 1.0.0
servers:
  - url: /dmi
tags:
  - description: DMI plugin rest apis
    name: dmi-datajob
paths:
  /v1/readJob/{requestId}:
    post:
      description: Create a read request
      operationId: readDataJob
      parameters:
        - $ref: '#/components/parameters/requestIdInPath'
      requestBody:
        description: Operation body
        content:
          application/3gpp-json-patch+json:
            schema:
              $ref: '#/components/schemas/SubjobReadRequest'
      tags:
        - dmi-datajob
      responses:
        "200":
          description: Response for subjob
          content:
            application/json:
              schema:
                type: object
                properties:
                  dataProducerJobId:
                    type: string
                    description: The data job ID.
  /v1/writeJob/{requestId}:
    post:
      description: Create a write request
      operationId: writeDataJob
      parameters:
        - $ref: '#/components/parameters/requestIdInPath'
      requestBody:
        description: Operation body
        content:
          application/3gpp-json-patch+json:
            schema:
              $ref: '#/components/schemas/SubjobWriteRequest'
      tags:
        - dmi-datajob
      responses:
        "200":
          description: Response for subjob
          content:
            application/json:
              schema:
                type: object
                properties:
                  dataProducerJobId:
                    type: string
                    description: The data job ID.
components:
  parameters:
    requestIdInPath:
      description: Identifier for the overall Datajob
      in: path
      name: requestId
      required: true
      schema:
        example: some-identifier
        type: string
  schemas:
    SubjobReadRequest:
      type: object
      required:
        - dataProducerId
        - data
      properties:
        dataAcceptType:
          description: Defines the data response accept type
          example: application/vnd.3gpp.object-tree-hierarchical+json
          type: string
        dataContentType:
          description: Defines the data request content type
          example: application/3gpp-json-patch+json
          type: string
        dataProducerId:
          description: ID of the producer registered by DMI for the paths in the operations in this request
          example: my-data-producer-identifier
          type: string
        data:
          example:
            op: read
            operationId: 1
            path: SubNetwork=Europe/SubNetwork=Ireland/MeContext=NR03gNodeBRadio00003/ManagedElement=NR03gNodeBRadio00003/GNBCUCPFunction=2
            attributes: userLabel
            scope:
              scopeTyp: BASE_ONLY
          type: array
          items:
            type: object
            required:
              - path
              - op
            properties:
              path:
                description: Defines the resource on which operation is executed
                example: SubNetwork=Europe/SubNetwork=Ireland/MeContext=NR03gNodeBRadio00003/ManagedElement=NR03gNodeBRadio00003
                type: string
              op:
                description: Describes the operation to execute
                example: read
                type: string
              operationId:
                description: Unique identifier for the operation within the request
                example: 1
                type: string
              attributes:
                description: This parameter specifies the attributes of the scoped resources that are returned
                type: array
                items:
                  example: cellId
                  type: string
              fields:
                description: This parameter specifies the attribute fields of the scoped resources that are returned
                type: array
                items:
                  type: string
              filter:
                description: This parameter is used to filter the scoped Managed Objects. Only Managed Objects passing the filter criteria will be fetched
                example: NRCellDU/attributes/administrativeState==LOCKED
                type: string
              scopeType:
                description: ScopeType selects MOs depending on relationships with Base Managed Object
                example: BASE_ONLY
                type: string
              scopeLevel:
                description: Only used when the scope type is BASE_NTH_LEVEL to specify amount of levels to search
                example: 0
                type: integer
              moduleSetTag:
                description: Module set identifier
                example: my-module-set-tag
                type: string
              cmHandleProperties:
                description: Private properties of the cm handle for the given path
                $ref: '#/components/schemas/CmHandleProperties'
    SubjobWriteRequest:
      type: object
      required:
        - dataProducerId
        - data
      properties:
        dataAcceptType:
          description: Defines the data response accept type
          example: application/vnd.3gpp.object-tree-hierarchical+json
          type: string
        dataContentType:
          description: Defines the data request content type
          example: application/3gpp-json-patch+json
          type: string
        dataProducerId:
          description: ID of the producer registered by DMI for the paths in the operations in this request
          example: my-data-producer-identifier
          type: string
        data:
          example:
            op: add
            path: SubNetwork=Europe/SubNetwork=Ireland/MeContext=NR03gNodeBRadio00003/ManagedElement=NR03gNodeBRadio00003/GNBCUCPFunction=1/EUtraNetwork=1/EUtranFrequency=12
            value:
              id: 12
              attributes:
                userLabel: label12
          type: array
          items:
            type: object
            required:
              - path
              - op
            properties:
              path:
                description: Defines the resource on which operation is executed
                example: SubNetwork=Europe/SubNetwork=Ireland/MeContext=NR03gNodeBRadio00003/ManagedElement=NR03gNodeBRadio00003
                type: string
              op:
                description: Describes the operation to execute
                example: add
                type: string
              operationId:
                description: Unique identifier for the operation within the request
                example: 1
                type: string
              moduleSetTag:
                description: Module set identifier
                example: my-module-set-tag
                type: string
              cmHandleProperties:
                description: Private properties of the cm handle for the given path
                $ref: '#/components/schemas/CmHandleProperties'
              value:
                description: Value dependent on the op specified. Resource for an add. Object for a replace. ActionParameters for an action.
                type: object
                oneOf:
                  - $ref: '#/components/schemas/Resource'
                  - $ref: '#/components/schemas/ActionParameters'
                  - $ref: '#/components/schemas/Object'
    CmHandleProperties:
      description: Private properties of the cm handle for the given path
      type: object
    Resource:
      type: object
      properties:
        id:
          description: Identifier of the resource object
          example: resource-identifier
          type: string
        attributes:
          description: Key value map representing the objects class attributes and values
          type: object
          additionalProperties:
            example: 'userLabel: label11'
            type: string
    ActionParameters:
      description: The input of the action in the form of key value pairs
      type: object
      additionalProperties:
        type: string
    Object:
      type: object




Data SubJob create (NCMP → DMI)

This is a mirror of the Datajob read/write request with the added details needed for the DMI plugins. Below you can see the changes for the READ but the same changes are applicable for the WRITE too.

Method: POST

Path: /dmi/v1/dataJob/{requestId}


DMI Data SubJob read request

Name

Description

Location

Type

Mandatory

destination

The destination of the results. ( e.g. S3 Bucket)

Query

string

N

dataaccepttype




Define the data response accept type. Passible values:

·        application/vnd.3gpp.object-tree-hierarchical+json (default)

·        application/vnd.3gpp.object-tree-flat+json

request body

enum

N

datacontenttype

Define the data request content type. Passible values:

·        application/3gpp-json-patch+json (default)

request body

enum

N

dataProducerId

ID of the producer registered by DMI for the alernateIDs in the operations in this request.

request body

String

Y

requestId

Identifier for the overall Datajob

Path

String

Y

data

List of operations to be executed. 

request body

List of DMI3gppReadOperation

Y

DMI3gppReadOperation

Name

Description

Type

Mandatory

path

It is a unique identifier of a managed object (MO) on a network element. 
Defines the resource on which operation is executed. Typically could be Fully Distinguished Name (FDN).

StringY
op

Describes the operation to execute. The value can be: "read" 

StringY
operationId

Unique identifier of the operation within the request

IntegerN
attributes

This parameter specifies the attributes of the scoped resources that are returned. 

List of StringN
fields

This parameter specifies the attribute fields of the scoped resources that are returned.

This should be used if an attribute is a struct and only a subset of its fields should be returned.

List of StringN
filter

The parameter is used to filter the scoped Managed Objects. Only Managed Objects passing the filter criteria will be fetched.

List of StringN
scopeType

ScopeType selects MOs depending on relationships with Base Managed Object.


enum[BASE_ONLY, BASE_ALL, BASE_NTH_LEVEL, BASE_SUBTREE]N
scopeLevel

Only used when the scope type is BASE_NTH_LEVEL

IntegerN
moduleSetTag

Module set identifier

StringY
privateProperties

CMHandle private properties for the alternateID in the path.

MapY

Response

Status code: 200 - OK

Name

Description

Location

Type

Mandatory

dataProducerJobIdThe ID of the created job by the data producer.response bodyStringY
dmiPluginNameThe target DMI that the job was performed onresponse bodyStringY
subjobIdID of the specific subjobresponse bodyStringY

DMI Data SubJob write request

Name

Description

Location

Type

Mandatory

destination

The destination of the results. ( e.g. S3 Bucket)

Query

string

N

dataaccepttype

Define the data response accept type. Passible values:

·        application/vnd.3gpp.object-tree-hierarchical+json (default)

·        application/vnd.3gpp.object-tree-flat+json

request body

enum

N

datacontenttype

Define the data request content type. Passible values:

·        application/3gpp-json-patch+json (default)

request body

enum

N

dataProducerId

ID of the producer registered by DMI for the alernateIDs in the operations in this request.

request body

String

Y

requestId

Identifier for the overall Datajob

Path

String

Y

data

List of operations to be executed. 

request body

List of DMI3gppWriteOperation

Y

Name

Description

Type

Mandatory

path

It is a unique identifier of a managed object (MO) on a network element. 
Defines the resource on which operation is executed. Typically could be Fully Distinguished Name (FDN).

StringY
op

Describes the operation to execute. The value can be:

"add": creates a new MO with the id and attributes given in the value
"replace":  replaces the value of an attribute specified in the path (attribute is separated with a # from the MO path) with the object in the value
"remove": removes the MO given in the path, value is not applicable
"action": executes an MO action in the path (action is separated with a # from the MO path) with the input parameters in the value

StringY
operationId

Unique identifier of the operation within the request

IntegerN
value

NA if op == remove

Resource if op == add

Object if op == replace

ActionParameters if op == action



ObjectN
moduleSetTag

Module set identifier

StringY
privateProperties

CMHandle private properties for the alternateID in the path.

MapY

Response

Status code: 200 - OK

Name

Description

Location

Type

Mandatory

dataProducerJobIdThe ID of the created job by the data producer.response bodyStringY
dmiPluginNameThe target DMI that the job was performed onresponse bodyStringY
subjobIdID of the specific subjobresponse bodyStringY
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