NFVManoFaultManagement.yaml

openapi: 3.0.2

info:
  title: SOL009 - NFV-MANO Fault Management interface
  description: |
    SOL009 - NFV-MANO Fault Management 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/SOL009/issues

  contact:
    name: NFV-SOL WG
  license:
    name: ETSI Forge copyright notice
    url: https://forge.etsi.org/etsi-forge-copyright-notice.txt
  version: 1.0.1-impl:etsi.org:ETSI_NFV_OpenAPI:1

externalDocs:
  description: ETSI GS NFV-SOL 009 V3.6.1
  url: https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/009/03.05.01_60/gs_NFV-SOL009v030501p.pdf

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

paths:
  /api_versions:
    $ref: ../endpoints/SOL009_endpoints.yaml#/endpoints/api_versions

  /alarms:
    get:
      description: >
        The client can use this method to retrieve information about the alarm list. See clause 7.5.3.3.2.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
        - $ref: "#/components/parameters/filter.Alarms"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/nextpage_opaque_marker"
      responses:
        "200":
          $ref: '#/components/responses/Alarms.Get.200'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
  "/alarms/{alarmId}":
    parameters:
      - $ref: "#/components/parameters/alarmId"
    get:
      description: >
        The client can use this method to read an individual alarm. See clause 7.5.4.3.2.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
      responses:
        "200":
          $ref: '#/components/responses/Alarm.Get.200'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
    patch:
      description: >
        This method modifies an "Individual alarm" resource. See clause 7.5.4.3.4.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/ContentType"
      requestBody:
        $ref: "#/components/requestBodies/AlarmModifications"
      responses:
        "200":
          $ref: '#/components/responses/Alarm.Patch.200'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "409":
          $ref: ../components/SOL009_resp.yaml#/components/responses/409
        "412":
          $ref: ../components/SOL009_resp.yaml#/components/responses/412
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
  /subscriptions:
    post:
      description: >
        The POST method creates a new subscription. See clause 7.5.5.3.1.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/ContentType"
      requestBody:
        $ref: "#/components/requestBodies/FmSubscriptionRequest"
      responses:
        "201":
          $ref: '#/components/responses/Subscriptions.Post.201'
        "303":
          $ref: ../components/SOL009_resp.yaml#/components/responses/303
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
    get:
      description: >
        The client can use this method to retrieve the list of active subscriptions for NFV-MANO functional entity
        alarms subscribed by the client. It can be used e.g. for resynchronization after error situations.
        See clause 7.5.5.3.2.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
        - $ref: "#/components/parameters/filter.FmSubscriptions"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/nextpage_opaque_marker"
      responses:
        "200":
          $ref: '#/components/responses/Subscriptions.Get.200'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
  "/subscriptions/{subscriptionId}":
    parameters:
      - $ref: "#/components/parameters/subscriptionId"
    get:
      description: >
        The client can use this method for reading an individual subscription for NFV-MANO functional entity alarms
        subscribed by the client. See clause 7.5.6.3.2.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Accept"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
      responses:
        "200":
          $ref: '#/components/responses/Subscription.Get.200'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504
    delete:
      description: >
        This method terminates an individual subscription. See clause 7.5.6.3.5.
      parameters:
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Version"
        - $ref: "../components/SOL009_params.yaml#/components/parameters/Authorization"
      responses:
        "204":
          $ref: '#/components/responses/Subscription.Delete.204'
        "400":
          $ref: ../components/SOL009_resp.yaml#/components/responses/400
        "401":
          $ref: ../components/SOL009_resp.yaml#/components/responses/401
        "403":
          $ref: ../components/SOL009_resp.yaml#/components/responses/403
        "404":
          $ref: ../components/SOL009_resp.yaml#/components/responses/404
        "405":
          $ref: ../components/SOL009_resp.yaml#/components/responses/405
        "406":
          $ref: ../components/SOL009_resp.yaml#/components/responses/406
        "422":
          $ref: ../components/SOL009_resp.yaml#/components/responses/422
        "500":
          $ref: ../components/SOL009_resp.yaml#/components/responses/500
        "503":
          $ref: ../components/SOL009_resp.yaml#/components/responses/503
        "504":
          $ref: ../components/SOL009_resp.yaml#/components/responses/504

components:
  parameters:
    filter.Alarms:
      name: filter
      description: >
        Attribute-based filtering expression according to clause 5.2 of ETSI GS NFV SOL 013.

        The NFV-MANO functional entity shall support receiving this parameter as part of the URI query string.
        The API consumer may supply this parameter.

        The following attribute names shall be supported by the NFV-MANO functional entity in the attribute-based
        filtering expression: id, managedObjectId, eventType, perceivedSeverity, probableCause.

      in: query
      required: false
      schema:
        type: string
    filter.FmSubscriptions:
      name: filter
      description: >
        Attribute-based filtering expression according to clause 5.2 of ETSI GS NFV-SOL 013.

        The NFV-MANO functional entity shall support receiving this parameter as part of the URI query string.
        The API consumer may supply this parameter.

        All attribute names that appear in the FmSubscription and in data types referenced from it shall be supported
        by the NFV-MANO functional entity in the filter expression.
      in: query
      required: false
      schema:
        type: string
    alarmId:
      name: alarmId
      description: >
        Identifier of the alarm. This identifier can be retrieved from the
        "id" attribute of the "alarm" attribute in the AlarmNotification or
        AlarmClearedNotification. It can also be retrieved from the "id"
        attribute of the applicable array element in the payload body of the
        response to a GET request to the "Alarms" resource.
      in: path
      required: true
      schema:
        type: string
    subscriptionId:
      name: subscriptionId
      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 payload body
        of that response.
      in: path
      required: true
      schema:
        type: string
  schemas:
    FmSubscriptionRequest:
      description: >
        This type represents a subscription request related to notifications
        about NFV-MANO faults.
      type: object
      required:
        - callbackUri
      properties:
        filter:
          description: >
            Filter settings for this subscription, to define the subset of all
            notifications this subscription relates to. A particular
            notification is sent to the subscriber if the filter matches, or if
            there is no filter.
          $ref: "#/components/schemas/FmNotificationsFilter"
        callbackUri:
          description: >
            The URI of the endpoint to send the notification to.
          $ref: "../components/SOL009_schemas.yaml#/components/schemas/Uri"
        authentication:
          description: >
            Authentication parameters to configure the use of Authorization when sending notifications
            corresponding to this subscription, as defined in clause 8.3.4 of ETSI GS NFV-SOL 013.
            This attribute shall only be present if the subscriber requires authorization of notifications.
          $ref: "../components/SOL009_schemas.yaml#/components/schemas/SubscriptionAuthentication"

    FmSubscription:
      description: >
        This type represents a subscription related to notifications about VNF
        faults.
      type: object
      required:
        - id
        - callbackUri
        - _links
      properties:
        id:
          description: >
            Identifier of this "Individual subscription" resource.
          $ref: "../components/SOL009_schemas.yaml#/components/schemas/Identifier"
        filter:
          description: >
            Filter settings for this subscription, to define the subset of all
            notifications this subscription relates to. A particular
            notification is sent to the subscriber if the filter matches, or if
            there is no filter.
          $ref: "#/components/schemas/FmNotificationsFilter"
        callbackUri:
          description: >
            The URI of the endpoint to send the notification to.
          $ref: "../components/SOL009_schemas.yaml#/components/schemas/Uri"
        _links:
          description: >
            Links for this resource.
          type: object
          required:
            - self
          properties:
            self:
              description: >
                URI of this resource.
              $ref: "../components/SOL009_schemas.yaml#/components/schemas/Link"

    AlarmModifications:
      description: >
        This type represents attribute modifications for an "Individual alarm"
        resource, i.e. modifications to a resource representation based on the
        "Alarm" data type. The attributes of "Alarm" that can be modified
        are included in the "AlarmModifications" data type.
      type: object
      required:
        - ackState
      properties:
        ackState:
          description: >
            New value of the "ackState" attribute in "Alarm".
            Permitted values:
            * ACKNOWLEDGED
          type: string
          enum:
            - ACKNOWLEDGED

    FmNotificationsFilter:
      description: >
        This type represents a subscription filter related to notifications about NFV-MANO functional entity faults.
        It shall comply with the provisions defined in table 7.6.3.2-1. At a particular nesting level in the filter
        structure, the following applies: All attributes shall match in order for the filter to match (logical "and"
        between different filter attributes). If an attribute is an array, the attribute shall match if at least one
        of the values in the array matches (logical "or" between the values of one filter attribute).
        * NOTE:	The permitted values of the "notificationTypes" attribute are spelled exactly as the names
                of the notification types to facilitate automated code generation systems.
      type: object
      properties:
        notificationTypes:
          description: >
            Match particular notification types.
            Permitted values:
            * AlarmNotification
            * AlarmClearedNotification
            * AlarmListRebuiltNotification

            See note.
          type: array
          items:
            type: string
            enum:
              - AlarmNotification
              - AlarmClearedNotification
              - AlarmListRebuiltNotification
        perceivedSeverities:
          description: >
            Match VNF alarms with a perceived severity listed in this attribute.
          type: array
          items:
            $ref: "../components/SOL009_schemas.yaml#/components/schemas/PerceivedSeverityType"
        eventTypes:
          description: >
            Match VNF alarms with an event type listed in this attribute.
          type: array
          items:
            $ref: "../components/SOL009_schemas.yaml#/components/schemas/EventType"
        probableCauses:
          description: >
            Match VNF alarms with a probable cause listed in this attribute.
          type: array
          items:
            type: string
  requestBodies:
    AlarmModifications:
      description: >
        The parameter for the alarm modification, as defined in clause
        7.6.2.8. The Content-Type header shall be set to
        "application/merge-patch+json" according to IETF RFC 7396.
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/AlarmModifications"
      required: true

    FmSubscriptionRequest:
      description: >
        Details of the subscription to be created, as defined in clause
        7.6.2.2.
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/FmSubscriptionRequest"
      required: true

  responses:
    Alarms.Get.200:
      description: >
        200 OK

        Shall be returned when information about zero or more alarms has been queried successfully.
        The response body shall contain in an array the representations of zero or more alarms as defined
        in clause 7.6.2.4. 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 NFV-MANO functional entity 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:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
        Version:
          description: |
            Version of the API used in the response.
          schema:
            type: string
            minimum: 1
            maximum: 1
        Link:
          description: >
            Reference to other resources. Used for paging in the present
            document.
          schema:
            type: string
            minimum: 0
            maximum: 1
      content:
        application/json:
          schema:
            type: array
            items:
              $ref: "../components/SOL009_schemas.yaml#/components/schemas/Alarm"

    Alarm.Get.200:
      description: >
        200 OK

        Shall be returned when information about an individual alarm has been read successfully. The response body
        shall contain a representation of the individual alarm
      headers:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
      content:
        application/json:
          schema:
            $ref: "../components/SOL009_schemas.yaml#/components/schemas/Alarm"

    Alarm.Patch.200:
      description: >
        200 OK

        Shall be returned when the request has been accepted and completed. ì The response body shall contain
        attribute modifications for an "Individual alarm" resource (see clause 7.6.2.4).
      headers:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
        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.
          schema:
            type: string
            minimum: 0
            maximum: 1
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/AlarmModifications"

    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 "Individual subscription" resource.
      headers:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
        Location:
          description: |
            The resource URI of the created subscription resource.
          schema:
            type: string
            format: url
            minimum: 1
            maximum: 1
        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.
          schema:
            type: string
            minimum: 0
            maximum: 1
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/FmSubscription"
    Subscriptions.Post.303:
      description: >
        303 SEE OTHER

        Shall be returned when a subscription with the same
        callbackURI and the same filter already exists and the
        policy of NFV-MANO functional entity 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:
        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.
          schema:
            type: string
        Version:
          description: >
            Version of the API used in the response.
          schema:
            type: string
        Location:
          description: >
            The resource URI of the created "Individual subscription" resource.
          schema:
            type: string
            format: url
            minimum: 1
            maximum: 1
    Subscriptions.Post.422:
      description: >
        422 Unprocessable Entity

        Shall be returned upon the following error: The content type
        of the payload body is supported and the payload body 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, 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 API producer has tested the Notification endpoint as
        described in clause 7.5.7.3.2 and the test has failed.

        In this case, the "detail" attribute in the "ProblemDetails" structure
        shall convey more information about the error.
      headers:
        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.
          schema:
            type: string
        Version:
          description: >
            Version of the API used in the response.
          schema:
            type: string
      content:
        application/json:
          schema:
            $ref: "../components/SOL009_schemas.yaml#/components/schemas/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 FM subscriptions as defined in clause 7.6.2.3. 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 NFV-MANO
        functional entity 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:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
        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.
          schema:
            type: string
            minimum: 0
            maximum: 1
        Version:
          description: |
            Version of the API used in the response.
          schema:
            type: string
            minimum: 1
            maximum: 1
        Link:
          description: >
            Reference to other resources. Used for paging in the present
            document, see clause 4.7.2.1.
          schema:
            type: string
            minimum: 0
            maximum: 1
      content:
        application/json:
          schema:
            type: array
            items:
              $ref: "#/components/schemas/FmSubscription"

    Subscription.Get.200:
      description: >
        200 OK

        The operation has completed successfully. The response body shall contain a representation of the
        subscription resource.
      headers:
        Content-Type:
          description: >
            The MIME type of the body of the request. Reference: IETF RFC
            7231
          schema:
            type: string
            minimum: 1
            maximum: 1
        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.
          schema:
            type: string
            minimum: 0
            maximum: 1
        Version:
          description: |
            Version of the API used in the response.
          schema:
            type: string
            minimum: 1
            maximum: 1
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/FmSubscription"

    Subscription.Delete.204:
      description: >
        204 NO CONTENT

        Shall be returned when the "Individual subscription" resource has been deleted successfully.
        The response body shall be empty.
      headers:
        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.
          schema:
            type: string
            minimum: 0
            maximum: 1
        Version:
          description: |
            Version of the API used in the response.
          schema:
            type: string
            minimum: 1
            maximum: 1