# Copyright (c) ETSI 2017.
# https://forge.etsi.org/etsi-forge-copyright-notice.txt

definitions:
  CancelMode:
    description: >
      This type represents a parameter to select the mode of cancelling an
      ongoing VNF LCM operation occurrence.
    type: object
    required:
      - cancelMode
    properties:
      cancelMode:
        description: >
          Cancellation mode to apply.
        $ref: "#/definitions/CancelModeType"

  CancelModeType:
    description: >
      Cancellation mode.
      GRACEFUL: If the VNF LCM operation occurrence is in "PROCESSING" or
      "ROLLING_BACK" state, the VNFM shall not start any new resource
      management operation and shall wait for the ongoing resource management
      operations in the underlying system, typically the VIM, to finish
      execution or to time out. After that, the VNFM shall put the operation
      occurrence into the FAILED_TEMP state.
      If the VNF LCM operation occurrence is in "STARTING" state, the VNFM
      shall not start any resource management operation and shall wait for
      the granting request to finish execution or time out. After that, the
      VNFM shall put the operation occurrence into the ROLLED_BACK state. 
      FORCEFUL: If the VNF LCM operation occurrence is in "PROCESSING" or
      "ROLLING_BACK" state, the VNFM shall not start any new resource
      management operation, shall cancel the ongoing resource management
      operations in the underlying system, typically the VIM, and shall wait
      for the cancellation to finish or to time out. After that, the VNFM
      shall put the operation occurrence into the FAILED_TEMP state. 
      If the VNF LCM operation occurrence is in "STARTING" state, the VNFM
      shall not start any resource management operation and put the operation
      occurrence into the ROLLED_BACK state.
    type: string
    enum:
      - GRACEFUL
      - FORCEFUL

  ChangeExtVnfConnectivityRequest:
    #SOL003 location: 5.5.2.11
    description: >
      This type represents request parameters for the 
      "Change external VNF connectivity" operation to modify the external
      connectivity of a VNF instance.
    type: object
    required:
      - extVirtualLinks
    properties:
      extVirtualLinks:
        description: >
          Information about external VLs to change (e.g. connect the VNF to).
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      vimConnectionInfo:
        description: >
          Information about VIM connections to be used for managing the
          resources for the VNF instance, or refer to external virtual
          links. This attribute shall only be supported and may be present
          if VNF-related resource management in direct mode is applicable.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/VimConnectionInfo"
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of 
          "ChangeExtVnfConnectivityOpConfig".".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  ChangeVnfFlavourRequest:
    #SOL003 location: 5.5.2.7
    description: >
      This type represents request parameters for the "Change VNF flavour" operation.
    type: object
    required:
      - newFlavourId
    properties:
      newFlavourId:
        description: >
          Identifier of the VNF deployment flavour to be instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      instantiationLevelId:
        description: >
          Identifier of the instantiation level of the deployment flavour to
          be instantiated. If not present, the default instantiation level as
          declared in the VNFD is instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      extVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      extManagedVirtualLinks:
        description: >
          Information about internal VLs that are managed by the NFVO.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtManagedVirtualLinkData"
      vimConnectionInfo:
        description: >
          Information about VIM connections to be used for managing the
          resources for the VNF instance, or refer to
          external / externally-managed virtual links. This attribute shall
          only be supported and may be present if VNF-related resource
          management in direct mode is applicable.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/VimConnectionInfo"
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of 
          "InstantiateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  HealVnfRequest:
    type: object
    properties:
      cause:
        description: >
          Indicates the reason why a healing procedure is required.
        type: string
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the healing
          process, specific to the VNF being healed, as declared in the VNFD
          as part of "HealVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  InstantiateVnfRequest:
    #SOL003 location: 5.5.2.4
    type: object
    required:
      - flavourId
    properties:
      flavourId:
        description: >
          Identifier of the VNF deployment flavour to be instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      instantiationLevelId:
        description: >
          Identifier of the instantiation level of the deployment flavour to be
          instantiated. If not present, the default instantiation level as
          declared in the VNFD is instantiated.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnfd"
      extVirtualLinks:
        description: >
          Information about external VLs to connect the VNF to.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtVirtualLinkData"
      extManagedVirtualLinks:
        description: >
          Information about internal VLs that are managed by the NFVO.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ExtManagedVirtualLinkData"
      vimConnectionInfo:
        description: >
          Information about VIM connections to be used for managing the
          resources for the VNF instance, or refer to
          external / externally-managed virtual links. This attribute shall
          only be supported and may be present if VNF-related resource
          management in direct mode is applicable.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/VimConnectionInfo"
      localizationLanguage:
        description: >
          Localization language of the VNF to be instantiated. The value shall
          comply with the format defined in IETF RFC 5646.
        type: string
      additionalParams:
        description: >
          Additional input parameters for the instantiation process, specific
          to the VNF being instantiated, as declared in the VNFD as part of 
          "InstantiateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  LcmOperationStateType:
    description: >
      Value | Description
      ------|------------
      STARTING | The LCM operation is starting.
      PROCESSING | The LCM operation is currently in execution.
      COMPLETED | he LCM operation has been completed successfully.
      FAILED_TEMP | The LCM operation has failed and execution has stopped, but the execution of the operation is not considered to be closed.
      FAILED | The LCM operation has failed and it cannot be retried or rolled back, as it is determined that such action won't succeed.
      ROLLING_BACK | The LCM operation is currently being rolled back.
      ROLLED_BACK | The LCM operation has been successfully rolled back, i.e. The state of the VNF prior to the original operation invocation has been restored as closely as possible.
    type: string
    enum:
      - STARTING
      - PROCESSING
      - COMPLETED
      - FAILED_TEMP
      - FAILED
      - ROLLING_BACK
      - ROLLED_BACK

  OperateVnfRequest:
    description: >
      This type represents request parameters for the "Operate VNF" operation.
    type: object
    required:
      - changeStateTo
    properties:
      changeStateTo:
        description: >
          The desired operational state (i.e. started or stopped) to change
          the VNF to.
        $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfOperationalStateType"
      stopType:
        description: >
          It signals whether forceful or graceful stop is requested.
          The “stopType” and “gracefulStopTimeout” attributes shall be absent,
          when the “changeStateTo” attribute is equal to “STARTED”. The
          “gracefulStopTimeout” attribute shall be present, when the
          “changeStateTo” is equal to “STOPPED” and the “stopType” attribute
          is equal to “GRACEFUL”. The “gracefulStopTimeout” attribute shall be
          absent, when the “changeStateTo” attribute is equal to “STOPPED” and
          the “stopType” attribute is equal to “FORCEFUL”. The request shall
          be treated as if the “stopType” attribute was set to ”FORCEFUL”, when
          the “changeStateTo” attribute is equal to “STOPPED” and the
          “stopType” attribute is absent.
        $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/StopType"
      gracefulStopTimeout:
        description: >
          The time interval (in seconds) to wait for the VNF to be taken out
          of service during graceful stop, before stopping the VNF.
          The “stopType” and “gracefulStopTimeout” attributes shall be absent,
          when the “changeStateTo” attribute is equal to “STARTED”. The
          “gracefulStopTimeout” attribute shall be present, when the
          “changeStateTo” is equal to “STOPPED” and the “stopType” attribute
          is equal to “GRACEFUL”. The “gracefulStopTimeout” attribute shall be
          absent, when the “changeStateTo” attribute is equal to “STOPPED” and
          the “stopType” attribute is equal to “FORCEFUL”. The request shall
          be treated as if the “stopType” attribute was set to ”FORCEFUL”, when
          the “changeStateTo” attribute is equal to “STOPPED” and the
          “stopType” attribute is absent.
        type: integer
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the process,
          specific to the VNF of which the operation status is changed, as
          declared in the VNFD as part of "OperateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  ScaleVnfToLevelRequest:
    description: >
      This type represents request parameters for the "Scale VNF to Level"
      operation.
    type: object
    properties:
      instantiationLevelId:
        description: >
          Identifier of the target instantiation level of the current
          deployment flavour to which the VNF is requested to be scaled.
          Either the instantiationLevelId attribute or the scaleInfo attribute
          shall be included.
        $ref: "#/definitions/IdentifierInVnfd"
      scaleInfo:
        description: >
          For each scaling aspect of the current deployment flavour, indicates
          the target scale level to which the VNF is to be scaled.
          Either the instantiationLevelId attribute or the scaleInfo attribute
          shall be included.
        type: array
        items:
          $ref: "#/definitions/ScaleInfo"
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the scaling
          process, specific to the VNF being scaled, as declared in the
          VNFD as part of "ScaleVnfToLevelOpConfig".
        $ref: "#/definitions/KeyValuePairs"

  StopType:
    description: >
      * FORCEFUL: The VNFM will stop the VNF immediately after accepting the
        request.
      * GRACEFUL: The VNFM will first arrange to take the VNF out of service
        after accepting the request. Once that operation is successful or once
        the timer value specified in the "gracefulStopTimeout" attribute
        expires, the VNFM will stop the VNF.
    type: string
    enum:
      - FORCEFUL
      - GRACEFUL

  TerminateVnfRequest:
    type: object
    required:
      - terminationType
    properties:
      terminationType:
        description: >
          Indicates whether forceful or graceful termination is requested.
          Permitted values:
          * FORCEFUL: The VNFM will shut down the VNF and release the
            resources immediately after accepting the request.
          * GRACEFUL: The VNFM will first arrange to take the VNF out of
          service after accepting the request. Once the operation of taking
          the VNF out of service finishes (irrespective of whether it has
          succeeded or failed) or once the timer value specified in the
          "gracefulTerminationTimeout" attribute expires, the VNFM will shut
          down the VNF and release the resources.
        type: string
        enum:
          - FORCEFUL
          - GRACEFUL
      gracefulTerminationTimeout:
        description: >
          This attribute is only applicable in case of graceful termination. 
          It defines the time to wait for the VNF to be taken out of service
          before shutting down the VNF and releasing the resources.
          The unit is seconds.
          If not given and the "terminationType" attribute is set to
          "GRACEFUL", it is expected that the VNFM waits for the successful
          taking out of service of the VNF, no matter how long it takes,
          before shutting down the VNF and releasing the resources.
        type: integer
      additionalParams:
        description: >
          Additional parameters passed by the NFVO as input to the termination
          process, specific to the VNF being terminated, as declared in the
          VNFD as part of "TerminateVnfOpConfig".
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"

  VnfLcmOpOcc:
    description: >
      This type represents a VNF lifecycle management operation occurrence.
    type: object
    required:
      - id
      - operationState
      - stateEnteredTime
      - startTime
      - vnfInstanceId
      - operation
      - isAutomaticInvocation
      - isCancelPending
    properties:
      id:
        description: >
          Identifier of this VNF lifecycle management operation occurrence.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      operationState:
        description: >
          The state of the LCM operation.
        $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/LcmOperationStateType"
      stateEnteredTime:
        description: >
          Date-time when the current state was entered.
        type: string
        format: date-time
      startTime:
        description: >
          Date-time of the start of the operation.
        type: string
        format: date-time
      vnfInstanceId:
        description: >
          Identifier of the VNF instance to which the operation applies
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      grantId:
        description: >
          Identifier of the grant related to this VNF LCM operation
          occurrence, if such grant exists.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
      operation:
        description: >
          Type of the actual LCM operation represented by this VNF LCM
          operation occurrence.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/LcmOperationType"
      isAutomaticInvocation:
        description: >
          Set to true if this VNF LCM operation occurrence has been triggered
          by an automated procedure inside the VNFM (i.e.
          ScaleVnf / ScaleVnfToLevel triggered by auto-scale, or HealVnf
          triggered by auto-heal). Set to false otherwise.
        type: boolean
      operationParams:
        description: >
          Input parameters of the LCM operation. This attribute shall be
          formatted according to the request data type of the related LCM
          operation. The following mapping between operationType and the
          data type of this attribute shall apply:
          * INSTANTIATE: InstantiateVnfRequest
          * SCALE: ScaleVnfRequest
          * SCALE_TO_LEVEL: ScaleVnfToLevelRequest
          * CHANGE_FLAVOUR: ChangeVnfFlavourRequest
          * OPERATE: OperateVnfRequest
          * HEAL: HealVnfRequest
          * CHANGE_EXT_CONN: ChangeExtVnfConnectivityRequest
          * TERMINATE: TerminateVnfRequest
          * MODIFY_INFO: VnfInfoModificationRequest
          This attribute shall be present if this data type is returned in 
          a response to reading an individual resource, and may be present 
          according to the chosen attribute selector parameter if this data 
          type is returned in a response to a query of a container resource.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/KeyValuePairs"
      isCancelPending:
        description: >
          If the VNF LCM operation occurrence is in "STARTING", "PROCESSING"
          or "ROLLING_BACK" state and the operation is being cancelled, this
          attribute shall be set to true. Otherwise, it shall be set to false.
        type: boolean
      cancelMode:
        description: >
          The mode of an ongoing cancellation. Shall be present when
          isCancelPending=true, and shall be absent otherwise.
        $ref: "#/definitions/CancelModeType"
      error:
        description: >
          If "operationState" is "FAILED_TEMP" or "FAILED" or "operationState"
          is "PROCESSING" or "ROLLING_BACK" and previous value of
          "operationState" was "FAILED_TEMP", this attribute shall be present
          and contain error information, unless it has been requested to be
          excluded via an attribute selector.
        $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/ProblemDetails"
      resourceChanges:
        description: >
          This attribute contains information about the cumulative changes to
          virtualised resources that were performed so far by the LCM
          operation since its start, if applicable.
        type: object
        properties:
          affectedVnfcs:
            description: >
              Information about VNFC instances that were affected during the
              lifecycle operation.
              This allows the NFVO to obtain the information contained in the
              latest "result" notification if it has not received it due to an
              error or a wrongly configured subscription filter.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/AffectedVnfc"
          affectedVirtualLinks:
            description: >
              Information about VL instances that were affected during the
              lifecycle operation.
              This allows the NFVO to obtain the information contained in the
              latest "result" notification if it has not received it due to an
              error or a wrongly configured subscription filter.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/AffectedVirtualLink"
          affectedVirtualStorages:
            description: >
              Information about virtualised storage instances that were affected
              during the lifecycle operation.
              This allows the NFVO to obtain the information contained in the
              latest "result" notification if it has not received it due to an
              error or a wrongly configured subscription filter.
            type: array
            items:
              $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/AffectedVirtualStorage"
      changedInfo:
        description: >
          Information about the changed VNF instance information, including
          VNF configurable properties, if applicable.
          This allows the NFVO to obtain the information contained in the
          latest "result" notification if it has not received it due to an
          error or a wrongly configured subscription filter.
        $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/VnfInfoModifications"
      changedExtConnectivity:
        description: >
          Information about changed external connectivity, if applicable.
          This allows the NFVO to obtain the information contained in the
          latest "result" notification if it has not received it due to an
          error or a wrongly configured subscription filter.
        type: array
        items:
          $ref: "../../../definitions/SOL002SOL003VNFLifecycleManagement_def.yaml#/definitions/ExtVirtualLinkInfo"
      _links:
        description: >
          Links to resources related to this resource.
        type: object
        required:
          - self
          - vnfInstance
        properties:
          self:
            description: >
              URI of this resource.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          vnfInstance:
            description: >
              Link to the VNF instance that the operation applies to.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          grant:
            description: >
              Link to the grant for this operation, if one exists.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          cancel:
            description: >
              Link to the task resource that represents the "cancel" operation
              for this VNF LCM operation occurrence, if cancelling is
              currently allowed.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          retry:
            description: >
              Link to the task resource that represents the "retry" operation
              for this VNF LCM operation occurrence, if retrying is currently
              allowed.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          rollback:
            description: >
              Link to the task resource that represents the "rollback"
              operation for this VNF LCM operation occurrence, if rolling back
              is currently allowed.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"
          fail:
            description: >
              Link to the task resource that represents the "fail" operation
              for this VNF LCM operation occurrence, if declaring as failed is
              currently allowed.
            $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Link"