openapi: 3.0.2

info:
  title: SOL003 - Virtualised Resources Quota Available Notification interface
  description: |
    SOL003 - Virtualised Resources Quota Available Notification interface 

    IMPORTANT: Please note that this file might be not aligned to the current
    version of the ETSI Group Specification it refers to. In case of
    discrepancies the published ETSI Group Specification takes precedence.

    Please report bugs to https://forge.etsi.org/rep/nfv/SOL002-SOL003/issues

  contact:
    name: NFV-SOL WG
  license:
    name: ETSI Forge copyright notice
    url: https://forge.etsi.org/etsi-forge-copyright-notice.txt
  version: "1.3.0-impl:etsi.org:ETSI_NFV_OpenAPI:1"

externalDocs:
  description: ETSI GS NFV-SOL 003 V3.7.1
  url: https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/003/03.07.01_60/gs_NFV-SOL003v030701p.pdf

servers:
  - url: http://127.0.0.1/vrqan/v1
  - url: https://127.0.0.1/vrqan/v1

paths:
  ###############################################################################
  # API Versions                                                                #
  ###############################################################################
  /api_versions:
    $ref: '../../endpoints/SOL002SOL003_endpoints.yaml#/endpoints/api-versions'

  ###############################################################################
  # Subscriptions                                                               #
  ###############################################################################
  /subscriptions:
    parameters:
      - $ref: ../../components/SOL003_params.yaml#/components/parameters/Version
      - $ref: ../../components/SOL003_params.yaml#/components/parameters/Authorization
    post:
      description: |
        The POST method creates a new subscription. See clause 11.4.2.3.1.
      parameters:
        - $ref: ../../components/SOL003_params.yaml#/components/parameters/Accept
        - $ref: ../../components/SOL003_params.yaml#/components/parameters/ContentType
      requestBody:
        $ref: '#/components/requestBodies/VrQuotaAvailSubscriptionRequest'
      responses:
        201:
          $ref: '#/components/responses/Subscriptions.Post.201'
        303:
          $ref: '#/components/responses/Subscriptions.Post.303'
        400:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/400"
        401:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/401"
        403:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/403"
        404:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/404"
        405:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/405"
        422:
          $ref: '#/components/responses/Subscriptions.Post.422'
        406:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/406"
        500:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/500"
        503:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/503"
        504:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/504"

    get:
      description: |
        The GET method queries the list of active subscriptions of the functional block that invokes the method.
        It can be used e.g. for resynchronization after error situations. See clause 11.4.2.3.2.
      parameters:
        - $ref: '#/components/parameters/filter_subscriptions'
        - $ref: ../../components/SOL003_params.yaml#/components/parameters/nextpage_opaque_marker_vnfm
      responses:
        200:
          $ref: '#/components/responses/Subscriptions.Get.200'
        204:
          $ref: '#/components/responses/Subscriptions.Get.204'
        400:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/400"
        401:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/401"
        403:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/403"
        404:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/404"
        405:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/405"
        422:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/422"
        406:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/406"
        500:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/500"
        503:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/503"
        504:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/504"

###############################################################################
# Individual subscription                                                     #
###############################################################################
  /subscriptions/{subscriptionId}:
    parameters:
      - $ref: '#/components/parameters/SubscriptionId'
      - $ref: ../../components/SOL003_params.yaml#/components/parameters/Version
      - $ref: ../../components/SOL003_params.yaml#/components/parameters/Authorization
    get:
      description: |
        The GET method reads an individual subscription. See clause 11.4.3.3.2.
      responses:
        200:
          $ref: '#/components/responses/IndividualSubscription.Get.200'
        400:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/400"
        401:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/401"
        403:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/403"
        404:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/404"
        405:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/405"
        422:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/422"
        406:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/406"
        500:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/500"
        503:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/503"
        504:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/504"

    delete:
      description: |
        The DELETE method terminates an individual subscription. See clause 11.4.3.3.5.
      responses:
        204:
          $ref: '#/components/responses/IndividualSubscription.Delete.204'
        400:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/400"
        401:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/401"
        403:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/403"
        404:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/404"
        405:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/405"
        422:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/422"
        406:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/406"
        500:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/500"
        503:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/503"
        504:
          $ref: "../../responses/SOL002SOL003_resp.yaml#/components/responses/504"


components:
  parameters:
    filter_subscriptions:
      name: filter
      description: >
        Attribute-based filtering expression according to clause 5.2 of ETSI
        GS NFV-SOL 013 [8].
        The NFVO shall support receiving this parameter as part of the URI query string.
        The VNFM may supply this parameter.
        All attribute names that appear in the VrQuotaAvailSubscription and in data types
        referenced from it shall be supported by the NFVO in the filter expression.
      in: query
      required: false
      schema:
        type: string

    SubscriptionId:
      name: subscriptionId
      in: path
      description: |
        Identifier of this subscription.
        This identifier can be retrieved from the resource referenced by the
        "Location" HTTP header in the response to a POST request creating a
        new "Individual subscription" resource. It can also be retrieved from the "id"
        attribute in the message content of that response.
      required: true
      style: simple
      explode: false
      schema:
        type: string

  requestBodies:
    VrQuotaAvailSubscriptionRequest:
      description: |
        Details of the subscription to be created.
      content:
        application/json:
          schema:
            $ref: "./definitions/SOL003VirtualisedResourcesQuotaAvailableNotification_def.yaml#/definitions/VrQuotaAvailSubscriptionRequest"
      required: true


  responses:
    Subscriptions.Post.201:
      description: |
        201 CREATED

        Shall be returned when the subscription has been created successfully.
        The response body shall contain a representation of the created "Individual subscription" resource.
        The HTTP response shall include a "Location" HTTP header that points to the created resource.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string
        Location:
          description: |
            The resource URI of the created VNF instance
          style: simple
          explode: false
          schema:
            type: string
            format: url
      content:
        application/json:
          schema:
            $ref: ./definitions/SOL003VirtualisedResourcesQuotaAvailableNotification_def.yaml#/definitions/VrQuotaAvailSubscription

    Subscriptions.Post.303:
      description: |
        303 See Other

        Shall be returned when a subscription with
        the same callback URI and the same filter
        already exists and the policy of the NFVO
        is to not create redundant subscriptions.
        The HTTP response shall include a
        "Location" HTTP header that contains the
        resource URI of the existing "Individual
        subscription" resource.
        The response body shall be empty.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string
        Location:
          description: |
            The resource URI of the created VNF instance
          style: simple
          explode: false
          schema:
            type: string
            format: url

    Subscriptions.Post.422:
      description: |
        422 Unprocessable Content

        Shall be returned upon the following error:
        The content type of the message content is
        supported and the message content of a
        request contains syntactically correct data
        but the data cannot be processed.
        The general cause for this error and its
        handling is specified in clause 6.4 of ETSI
        GS NFV-SOL 013 [8], including rules for
        the presence of the response body.
        Specifically in case of this resource, the
        response code 422 shall also be returned
        if the NFVO has tested the Notification
        endpoint as described in clause 11.4.4.3.2
        and the test has failed.
        In this case, the "detail" attribute in the
        "ProblemDetails" structure shall convey
        more information about the error
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: "../General_Definitions/SOL003_def.yaml#/definitions/ProblemDetails"

    Subscriptions.Get.200:
      description: |
        200 OK

        Shall be returned when the list of subscriptions has been queried successfully.
        The response body shall contain in an array the representations of all active
        subscriptions of the functional block that invokes the method, i.e. zero or more
        representations of virtualised resource quota available subscriptions as defined in clause 11.5.2.3.
        If the "filter" URI parameter was supplied in the request, the data in the response body shall
        have been transformed according to the rules specified in clause 5.2.2 of ETSI GS NFV-SOL 013.
        If the VNFM supports alternative 2 (paging) according to clause 5.4.2.1 of ETSI GS NFV-SOL 013
        for this resource, inclusion of the Link HTTP header in this response shall follow the provisions
        in clause 5.4.2.3 of ETSI GS NFV-SOL 013.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string
        Link:
          description: |
            Reference to other resources. Used for paging in the present document, see clause 4.7.2.1.
          style: simple
          explode: false
          schema:
            type: string
      content:
        application/json:
          schema:
            type: array
            items:
              $ref: ./definitions/SOL003VirtualisedResourcesQuotaAvailableNotification_def.yaml#/definitions/VrQuotaAvailSubscription
    
    Subscriptions.Get.204:
      description: |
        No Content

        The notification endpoint was tested successfully.
        The response body shall be empty.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string

    IndividualSubscription.Get.200:
      description: | 
        200 OK

        Shall be returned when information about an individual subscription has been read successfully.
        The response body shall contain a representation of the "Individual subscription" resource.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: ./definitions/SOL003VirtualisedResourcesQuotaAvailableNotification_def.yaml#/definitions/VrQuotaAvailSubscription

    IndividualSubscription.Delete.204:
      description: | 
        No Content

        Shall be returned when the "Individual subscription" resource has been deleted successfully.
      headers:
        Version:
          description: |
            The used API version.
          style: simple
          explode: false
          schema:
            type: string
        WWW-Authenticate:
          description: |
            Challenge if the corresponding HTTP request has not provided authorization, or error details if the
            corresponding HTTP request has provided an invalid authorization token.
          style: simple
          explode: false
          schema:
            type: string
        Content-Type:
          description: |
            The MIME type of the body of the response.
          style: simple
          explode: false
          schema:
            type: string