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max_number_of_impacted_instances:
type: integer
description: The maximum number of instances that can be impacted simultaneously within the group of the specified size.
required: true
tosca.datatypes.nfv.NfviMaintenanceInfo:
derived_from: tosca.datatypes.Root
description: Provides information related to the constraints and rules applicable to virtualised resources and their groups impacted due to NFVI maintenance operations
properties:
impact_notification_lead_time:
type: scalar-unit.time
description: Specifies the minimum notification lead time requested for upcoming impact of the virtualised resource or their group (i.e. between the notification and the action causing the impact).
required: true
is_impact_mitigation_requested:
type: boolean
description: Indicates whether it is requested that at the time of the notification of an upcoming change that is expected to have an impact on the VNF, virtualised resource(s) of the same characteristics as the impacted ones is/are provided to compensate for the impact (TRUE) or not (FALSE).
required: true
default: false
supported_migration_type:
type: list
description: Specifies the allowed migration types in the order of preference in case of an impact starting with the most preferred type. It is applicable to the Vdu.Compute node and to the VirtualBlockStorage, VirtualObjectStorage and VirtualFileStorage nodes.
required: false
entry_schema:
type: string
constraints:
- valid_values: [ no_migration, offline_migration, live_migration ]
max_undetectable_interruption_time:
type: scalar-unit.time
description: Specifies the maximum interruption time that can go undetected at the VNF level and therefore which will not trigger VNF-internal recovery during live migration. It is applicable to the Vdu.Compute node and to the VirtualBlockStorage, VirtualObjectStorage and VirtualFileStorage nodes.
required: false
min_recovery_time_between_impacts:
type: scalar-unit.time
description: Specifies the time required by the group to recover from an impact, thus, the minimum time requested between consecutive impacts of the group..
required: false
max_number_of_impacted_instances:
type: list
description: Specifies for different group sizes the maximum number of instances that can be impacted simultaneously within the group of virtualised resources without losing functionality.
required: false
entry_schema:
type: tosca.datatypes.nfv.MaxNumberOfImpactedInstances
min_number_of_preserved_instances:
type: list
description: Specifies for different group sizes the minimum number of instances which need to be preserved simultaneously within the group of virtualised resources.
required:false
entry_schema:
type: tosca.datatypes.nfv.MinNumberOfPreservedInstances
tosca.datatypes.nfv.MinNumberOfPreservedInstances:
derived_from: tosca.datatypes.Root
description: Specifies the minimum number of instances of a given Vdu.Compute node or VnfVirtualLink node which need to be preserved simultaneously.
properties:
group_size:
type: integer
description: Determines the size of the group for which the min_number_of_preserved_instances is specified. If not present the size is not limited.
required: false
min_number_of_preserved_instances:
type: integer
description: The minimum number of instances which need to be preserved simultaneously within the group of the specified size.
required: true
artifact_types:
tosca.artifacts.nfv.SwImage:
derived_from: tosca.artifacts.Deployment.Image
description: describes the software image which is directly loaded on the virtualisation container realizing of the VDU or is to be loaded on a virtual storage resource
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properties:
name:
type: string
description: Name of this software image
required: true
version:
type: string
description: Version of this software image
required: true
provider:
type: string
description: Provider of this software image
required: false
checksum:
type: tosca.datatypes.nfv.ChecksumData
description: Checksum of the software image file
required: true
container_format:
type: string
description: The container format describes the container file format in which software image is provided
required: true
constraints:
- valid_values: [ aki, ami, ari, bare, docker, ova, ovf ]
disk_format:
type: string
description: The disk format of a software image is the format of the underlying disk image
required: true
constraints:
- valid_values: [ aki, ami, ari, iso, qcow2, raw, vdi, vhd, vhdx, vmdk ]
min_disk:
type: scalar-unit.size # Number
description: The minimal disk size requirement for this software image
required: true
constraints:
- greater_or_equal: 0 B
min_ram:
type: scalar-unit.size # Number
description: The minimal RAM requirement for this software image
required: false
constraints:
- greater_or_equal: 0 B
size:
type: scalar-unit.size # Number
description: The size of this software image
required: true
operating_system:
type: string
description: Identifies the operating system used in the software image
required: false
supported_virtualisation_environments:
type: list
description: Identifies the virtualisation environments (e.g. hypervisor) compatible with this software image
required: false
entry_schema:
type: string
tosca.artifacts.Implementation.nfv.Mistral:
derived_from: tosca.artifacts.Implementation
description: artifacts for Mistral workflows
mime_type: application/x-yaml
file_ext: [ yaml ]
capability_types:
tosca.capabilities.nfv.VirtualBindable:
derived_from: tosca.capabilities.Node
description: Indicates that the node that includes it can be pointed by a tosca.relationships.nfv.VirtualBindsTo relationship type which is used to model the VduHasCpd association
tosca.capabilities.nfv.VirtualCompute:
derived_from: tosca.capabilities.Node
description: Describes the capabilities related to virtual compute resources
properties:
logical_node:
type: map
description: Describes the Logical Node requirements
required: false
entry_schema:
type: tosca.datatypes.nfv.LogicalNodeData
requested_additional_capabilities:
type: map
description: Describes additional capability for a particular VDU
required: false
entry_schema:
type: tosca.datatypes.nfv.RequestedAdditionalCapability
type: map
required: false
entry_schema:
type: string
type: tosca.datatypes.nfv.VirtualMemory
description: Describes virtual memory of the virtualized compute
required: true
type: tosca.datatypes.nfv.VirtualCpu
description: Describes virtual CPU(s) of the virtualized compute
required: true
type: list
description: A list of virtual system disks created and destroyed as part of the VM lifecycle
required: false
entry_schema:
type: tosca.datatypes.nfv.VirtualBlockStorageData
description: virtual system disk definition
tosca.capabilities.nfv.VirtualStorage:
derived_from: tosca.capabilities.Root
description: Describes the attachment capabilities related to Vdu.Storage
tosca.capabilities.nfv.TrunkBindable:
derived_from: tosca.capabilities.Node
description: Indicates that the node that includes it can be pointed by a tosca.relationships.nfv.TrunkBindsTo relationship type which is used to model the trunkPortTopology.
relationship_types:
tosca.relationships.nfv.VirtualBindsTo:
derived_from: tosca.relationships.DependsOn
description: Represents an association relationship between Vdu.Compute and VduCp node types
valid_target_types: [ tosca.capabilities.nfv.VirtualBindable ]
tosca.relationships.nfv.AttachesTo:
derived_from: tosca.relationships.Root
description: Represents an association relationship between the Vdu.Compute and one of the node types, Vdu.VirtualBlockStorage, Vdu.VirtualObjectStorage or Vdu.VirtualFileStorage
valid_target_types: [ tosca.capabilities.nfv.VirtualStorage ]
tosca.relationships.nfv.TrunkBindsTo:
derived_from: tosca.relationships.DependsOn
description: Represents the association relationship between a VduCp node used as a trunk port and other VduSubCp nodes used as subports of the same trunk.
valid_target_types: [ tosca.capabilities.nfv.TrunkBindable ]
interface_types:
tosca.interfaces.nfv.Vnflcm:
derived_from: tosca.interfaces.Root
description: This interface encompasses a set of TOSCA operations corresponding to the VNF LCM operations defined in ETSI GS NFV-IFA 007 as well as to preamble and postamble procedures to the execution of the VNF LCM operations.
operations:
instantiate:
description: Invoked upon receipt of an Instantiate VNF request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
instantiate_start:
description: Invoked before instantiate
instantiate_end:
description: Invoked after instantiate
terminate:
description: Invoked upon receipt Terminate VNF request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
terminate_start:
description: Invoked before terminate
terminate_end:
description: Invoked after terminate
modify_information:
description: Invoked upon receipt of a Modify VNF Information request
modify_information_start:
description: Invoked before modify_information
modify_information_end:
description: Invoked after modify_information
change_flavour:
description: Invoked upon receipt of a Change VNF Flavour request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
change_flavour_start:
description: Invoked before change_flavour
change_flavour_end:
description: Invoked after change_flavour
change_external_connectivity:
description: Invoked upon receipt of a Change External VNF Connectivity request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
change_external_connectivity_start:
description: Invoked before change_external_connectivity
change_external_connectivity_end:
description: Invoked after change_external_connectivity
operate:
description: Invoked upon receipt of an Operate VNF request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
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operate_start:
description: Invoked before operate
operate_end:
description: Invoked after operate
heal:
description: Invoked upon receipt of a Heal VNF request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
inputs:
cause:
type: string
description: Indicates the reason why a healing procedure is required.
required: false
vnfc_instance_ids:
type: list
entry_schema:
type: string
description: List of VNFC instances requiring a healing action.
required: false
heal_start:
description: Invoked before heal
heal_end:
description: Invoked after heal
scale:
description: Invoked upon receipt of a Scale VNF request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
inputs:
type:
type: string
description: Indicates the type of the scale operation requested.
required: false
constraints:
- valid_values: [ scale_out, scale_in ]
aspect:
type: string
description: Identifier of the scaling aspect.
required: false
number_of_steps:
type: integer
description: Number of scaling steps to be executed.
required: true
constraints:
- greater_than: 0
default: 1
scale_start:
description: Invoked before scale
scale_end:
description: Invoked after scale
scale_to_level:
description: Invoked upon receipt of a Scale VNF to Level request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
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inputs:
instantiation_level:
type: string
description: Identifier of the target instantiation level of the current deployment flavour to which the VNF is requested to be scaled. Either instantiation_level or scale_info shall be provided.
required: false
scale_info:
type: map # key: aspectId
description: For each scaling aspect of the current deployment flavour, indicates the target scale level to which the VNF is to be scaled. Either instantiation_level or scale_info shall be provided.
required: false
entry_schema:
type: tosca.datatypes.nfv.ScaleInfo
scale_to_level_start:
description: Invoked before scale_to_level
scale_to_level_end:
description: Invoked after scale_to_level
create_snapshot:
description: Invoked upon receipt of a Create VNF snapshot request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
create_snapshot_start:
description: Invoked before create_snapshot
create_snapshot_end:
description: Invoked after create_snapshot
revert_to_snapshot:
description: Invoked upon receipt of a Revert to VNF snapshot request
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
revert_to_snapshot_start:
description: Invoked before revert_to_snapshot
revert_to_snapshot_end:
description: Invoked after revert_to_snapshot
change_current_package:
description: Invoked by tosca.policies.nfv.VnfPackageChange
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
change_current_package_start:
description: Invoked by tosca.policies.nfv.VnfPackageChange
change_current_package_end:
description: Invoked by tosca.policies.nfv.VnfPackageChange
notifications:
change_current_package_notification:
description: Invoked upon receipt of a ChangeCurrentVnfPackage request
change_current_package_start_notification:
description: Invoked before the operation designated to changing the current VNF package
change_current_package_end_notification:
description: Invoked after the operation designated to changing the current VNF package
derived_from: tosca.interfaces.Root
description: This interface is an empty base interface type for deriving VNF specific interface types that include VNF indicator specific notifications.
tosca.interfaces.nfv.ChangeCurrentVnfPackage:
derived_from: tosca.interfaces.Root
description: This interface is an empty base interface type for deriving VNF specific interface types that include VNF Change Current VNF Package specific operation.
# operations:
# operation_name: name of a VNF-specific operation serving the Change current VNF Package request.
# description: Invoked by tosca.policies.nfv.VnfPackageChange
# inputs:
# additional_parameters:
# type: tosca.datatypes.nfv.VnfOperationAdditionalParameters
# required: false
# derived types are expected to introduce additional_parameters with its
# type derived from tosca.datatypes.nfv.VnfOperationAdditionalParameters
node_types:
tosca.nodes.nfv.VNF:
derived_from: tosca.nodes.Root
description: The generic abstract type from which all VNF specific node types shall be derived to form, together with other node types, the TOSCA service template(s) representing the VNFD
properties:
descriptor_id: # instead of vnfd_id
type: string # UUID
description: Identifier of this VNFD information element. This attribute shall be globally unique
required: true
descriptor_version: # instead of vnfd_version
type: string
description: Identifies the version of the VNFD
required: true
provider: # instead of vnf_provider
type: string
description: Provider of the VNF and of the VNFD
required: true
product_name: # instead of vnf_product_name
type: string
description: Human readable name for the VNF Product
required: true
software_version: # instead of vnf_software_version
type: string
description: Software version of the VNF
required: true
product_info_name: # instead of vnf_product_info_name
type: string
description: Human readable name for the VNF Product
required: false
product_info_description: # instead of vnf_product_info_description
type: string
description: Human readable description of the VNF Product
required: false
type: list
required: true
description: Identifies VNFM(s) compatible with the VNF
entry_schema:
type: string
constraints:
- pattern: (^etsivnfm:v[0-9]?[0-9]\.[0-9]?[0-9]\.[0-9]?[0-9]$)|(^[0-9]+:[a-zA-Z0-9.-]+$)
type: list
description: Information about localization languages of the VNF
required: false
entry_schema:
type: string #IETF RFC 5646 string
default_localization_language:
type: string #IETF RFC 5646 string
description: Default localization language that is instantiated if no information about selected localization language is available
required: false
#type: tosca.datatypes.nfv.VnfConfigurableProperties
#description: Describes the configurable properties of the VNF
#required: false
# derived types are expected to introduce configurable_properties
# with its type derived from tosca.datatypes.nfv.VnfConfigurableProperties
#type: tosca.datatypes.nfv.VnfInfoModifiableAttributes
#description: Describes the modifiable attributes of the VNF
#required: false
# derived types are expected to introduce modifiable_attributes
# with its type derived from
# tosca.datatypes.nfv.VnfInfoModifiableAttributes
lcm_operations_configuration:
type: tosca.datatypes.nfv.VnfLcmOperationsConfiguration
description: Describes the configuration parameters for the VNF LCM operations
required: false
type: map # key: id
entry_schema:
type: tosca.datatypes.nfv.VnfMonitoringParameter
description: Describes monitoring parameters applicable to the VNF.
required: false
type: string
description: Identifier of the Deployment Flavour within the VNFD
required: true
type: string
description: Human readable description of the DF
required: true
type: tosca.datatypes.nfv.VnfProfile
description: Describes a profile for instantiating VNFs of a particular NS DF according to a specific VNFD and VNF DF
required: false
attributes:
scale_status:
type: map # key: aspectId
description: Scale status of the VNF, one entry per aspect. Represents for every scaling aspect how "big" the VNF has been scaled w.r.t. that aspect.
entry_schema:
type: tosca.datatypes.nfv.ScaleInfo
requirements:
- virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VirtualLinksTo
occurrences: [ 0, 1 ]
# Additional requirements shall be defined in the VNF specific node type (deriving from tosca.nodes.nfv.VNF) corresponding to NS virtual links that need to connect to VnfExtCps
interfaces:
Vnflcm:
type: tosca.interfaces.nfv.Vnflcm
# VnfIndicator:
# type: tosca.interfaces.nfv.VnfIndicator
# derived types are expected to introduce Vnf Indicator interfaces
# with their type derived from tosca.interfaces.nfv.VnfIndicator
tosca.nodes.nfv.VnfExtCp:
derived_from: tosca.nodes.nfv.Cp
description: Describes a logical external connection point, exposed by the VNF enabling connection with an external Virtual Link
properties:
virtual_network_interface_requirements:
type: list
description: The actual virtual NIC requirements that is been assigned when instantiating the connection point
required: false
entry_schema:
type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
requirements:
- external_virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VirtualLinksTo
occurrences: [0, 1]
- internal_virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VirtualLinksTo
tosca.nodes.nfv.Vdu.Compute:
derived_from: tosca.nodes.Root
description: Describes the virtual compute part of a VDU which is a construct supporting the description of the deployment and operational behavior of a VNFC
type: string
description: Human readable name of the VDU
required: true
type: string
description: Human readable description of the VDU
required: true
type: boolean
description: indicates whether the order of the virtual_storage requirements is used as the boot index (the first requirement represents the lowest index and defines highest boot priority)
required: true
default: false
type: map
description: Describes constraints on the NFVI for the VNFC instance(s) created from this VDU. This property is reserved for future use in the present document.
required: false
entry_schema:
type: string
type: map # key: id
description: Describes monitoring parameters applicable to a VNFC instantiated from this VDU
required: false
entry_schema:
type: tosca.datatypes.nfv.VnfcMonitoringParameter
#type: tosca.datatypes.nfv.VnfcConfigurableProperties
#required: false
# derived types are expected to introduce
# configurable_properties with its type derived from
# tosca.datatypes.nfv.VnfcConfigurableProperties
type: tosca.datatypes.nfv.VduProfile
description: Defines additional instantiation data for the VDU.Compute node
required: true
type: tosca.datatypes.nfv.BootData
description: Contains the information used to customize a virtualised compute resource at boot time. The bootData may contain variable parts that are replaced by deployment specific values before being sent to the VIM.
required: false
capabilities:
virtual_compute:
type: tosca.capabilities.nfv.VirtualCompute
occurrences: [ 1, 1 ]
type: tosca.capabilities.nfv.VirtualBindable
occurrences: [ 1, UNBOUNDED ]
requirements:
- virtual_storage:
capability: tosca.capabilities.nfv.VirtualStorage
relationship: tosca.relationships.nfv.AttachesTo
occurrences: [ 0, UNBOUNDED ]
tosca.nodes.nfv.Vdu.VirtualBlockStorage:
derived_from: tosca.nodes.Root
description: This node type describes the specifications of requirements related to virtual block storage resources
properties:
virtual_block_storage_data:
type: tosca.datatypes.nfv.VirtualBlockStorageData
description: Describes the block storage characteristics.
required: true
nfvi_maintenance_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the rules to be observed when an instance based on this VirtualBlockStorage is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
capabilities:
virtual_storage:
type: tosca.capabilities.nfv.VirtualStorage
description: Defines the capabilities of virtual_storage.
tosca.nodes.nfv.Vdu.VirtualObjectStorage:
derived_from: tosca.nodes.Root
description: This node type describes the specifications of requirements related to virtual object storage resources
properties:
virtual_object_storage_data:
type: tosca.datatypes.nfv.VirtualObjectStorageData
description: Describes the object storage characteristics.
nfvi_maintenance_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the rules to be observed when an instance based on this VirtualObjectStorage is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
capabilities:
virtual_storage:
type: tosca.capabilities.nfv.VirtualStorage
description: Defines the capabilities of virtual_storage.
tosca.nodes.nfv.Vdu.VirtualFileStorage:
derived_from: tosca.nodes.Root
description: This node type describes the specifications of requirements related to virtual file storage resources
properties:
virtual_file_storage_data:
type: tosca.datatypes.nfv.VirtualFileStorageData
description: Describes the file storage characteristics.
required: true
nfvi_maintenance_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the rules to be observed when an instance based on this VirtualFileStorage is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
capabilities:
virtual_storage:
type: tosca.capabilities.nfv.VirtualStorage
#description: Defines the capabilities of virtual_storage.
requirements:
- virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VirtualLinksTo
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occurrences: [1, 1]
# description: Describes the requirements for linking to virtual link
tosca.nodes.nfv.VduCp:
derived_from: tosca.nodes.nfv.Cp
description: describes network connectivity between a VNFC instance based on this VDU and an internal VL
properties:
bitrate_requirement:
type: integer # in bits per second
description: Bitrate requirement in bit per second on this connection point
required: false
constraints:
- greater_or_equal: 0
virtual_network_interface_requirements:
type: list
description: Specifies requirements on a virtual network interface realising the CPs instantiated from this CPD
required: false
entry_schema:
type: tosca.datatypes.nfv.VirtualNetworkInterfaceRequirements
order:
type: integer
description: The order of the NIC on the compute instance (e.g.eth2)
required: false
constraints:
- greater_or_equal: 0
vnic_type:
type: string
description: Describes the type of the virtual network interface realizing the CPs instantiated from this CPD
required: false
constraints:
- valid_values: [ normal, macvtap, direct, baremetal, virtio-forwarder, direct-physical, smart-nic ]
capabilities:
trunk_binding: # This capability is available only the trunk_mode property value of this VduCp is “true�and there is at least one VduSubCp defined as subport of the same trunk.
type: tosca.capabilities.nfv.TrunkBindable
occurrences: [ 0, UNBOUNDED ]
requirements:
- virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VirtualLinksTo
occurrences: [1, 1]
- virtual_binding:
capability: tosca.capabilities.nfv.VirtualBindable
relationship: tosca.relationships.nfv.VirtualBindsTo
node: tosca.nodes.nfv.Vdu.Compute
occurrences: [0, 1]
tosca.nodes.nfv.VnfVirtualLink:
derived_from: tosca.nodes.Root
description: Describes the information about an internal VNF VL
properties:
connectivity_type:
type: tosca.datatypes.nfv.ConnectivityType
description: Specifies the protocol exposed by the VL and the flow pattern supported by the VL
required: true
description: Provides human-readable information on the purpose of the VL
required: false
test_access:
type: list
description: Test access facilities available on the VL
required: false
entry_schema:
type: string
constraints:
- valid_values: [ passive_monitoring, active_loopback ]
type: tosca.datatypes.nfv.VlProfile
description: Defines additional data for the VL
required: true
type: map #key: id
entry_schema:
type: tosca.datatypes.nfv.VirtualLinkMonitoringParameter
description: Describes monitoring parameters applicable to the VL
required: false
nfvi_maintenance_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the rules to be observed when an instance based on this VnfVirtualLink is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
externally_managed:
type: string
description: Specifies the intent of the VNF designer w.r.t. the external management of the internal VL instances created from this descriptor, i.e. whether it is "allowed" or "required" that these are externally managed. If this property is absent, the value "allowed" is assumed. If the VNFD does not reference any LCM script and if the "vnfm_info" property in the VNF-specific node type derived from the "tosca.nodes.nfv.VNF" node type indicates that the VNF can be managed by any ETSI NFV compliant VNFM, this property shall not be present.
required: false
entry_schema:
type: string
constraints:
- valid_values: [ allowed, required ]
capabilities:
virtual_linkable:
type: tosca.capabilities.nfv.VirtualLinkable
tosca.nodes.nfv.VipCp:
derived_from: tosca.nodes.nfv.Cp
description: Describes a connection point to allocate one or a set of virtual IP addresses
properties:
dedicated_ip_address:
type: boolean
description: Indicates whether the VIP address shall be different from the addresses allocated to all associated VduCp instances or shall be the same as one of them.
required: true
default: true
vip_function:
type: string
description: "Indicates the function the virtual IP address is used for: high availability or load balancing. When used for high availability, only one of the internal VDU CP instances or VNF external CP instances that share the virtual IP is bound to the VIP address at a time. When used for load balancing purposes all CP instances that share the virtual IP are bound to it."
required: true
constraints:
- valid_values: [ high_availability, load_balance ]
requirements:
- target:
capability: tosca.capabilities.Node
node: tosca.nodes.nfv.VduCp
relationship: tosca.relationships.DependsOn
occurrences: [ 1, UNBOUNDED ]
- virtual_link:
capability: tosca.capabilities.nfv.VirtualLinkable
relationship: tosca.relationships.nfv.VipVirtualLinksTo
occurrences: [1, 1]
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tosca.nodes.nfv.VduSubCp:
derived_from: tosca.nodes.nfv.VduCp
description: describes network connectivity between a VNFC instance based on this VDU and an internal VL through a trunk port
properties:
segmentation_type:
type: string
description: Specifies the encapsulation type for the traffics coming in and out of the trunk subport.
required: false
constraints:
- valid_values: [ vlan, inherit ]
segmentation_id:
type: integer
description: Specifies the segmentation ID for the subport, which is used to differentiate the traffics on different networks coming in and out of the trunk port.
required: false
constraints:
- greater_or_equal: 0
requirements:
- trunk_binding:
capability: tosca.capabilities.nfv.TrunkBindable
relationship: tosca.relationships.nfv.TrunkBindsTo
node: tosca.nodes.nfv.VduCp
occurrences: [1, 1]
group_types:
tosca.groups.nfv.PlacementGroup:
derived_from: tosca.groups.Root
description: PlacementGroup is used for describing the affinity or anti-affinity relationship applicable between the virtualization containers to be created based on different VDUs, or between internal VLs to be created based on different VnfVirtualLinkDesc(s)
properties:
description:
type: string
description: Human readable description of the group
required: true
members: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink ]
policy_types:
tosca.policies.nfv.InstantiationLevels:
derived_from: tosca.policies.Root
description: The InstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour and including default instantiation level in term of the number of VNFC instances to be created as defined in ETSI GS NFV-IFA 011 [1].
properties:
levels:
type: map # key: levelId
description: Describes the various levels of resources that can be used to instantiate the VNF using this flavour.
required: true
entry_schema:
type: tosca.datatypes.nfv.InstantiationLevel
type: string # levelId
description: The default instantiation level for this flavour.
required: false # required if multiple entries in levels
tosca.policies.nfv.VduInstantiationLevels:
derived_from: tosca.policies.Root
description: The VduInstantiationLevels type is a policy type representing all the instantiation levels of resources to be instantiated within a deployment flavour in term of the number of VNFC instances to be created from each vdu.Compute. as defined in ETSI GS NFV-IFA 011 [1]
type: map # key: levelId
description: Describes the Vdu.Compute levels of resources that can be used to instantiate the VNF using this flavour
required: true
entry_schema:
type: tosca.datatypes.nfv.VduLevel
constraints:
- min_length: 1
targets: [ tosca.nodes.nfv.Vdu.Compute ]
tosca.policies.nfv.VirtualLinkInstantiationLevels:
derived_from: tosca.policies.Root
description: The VirtualLinkInstantiationLevels type is a policy type representing all the instantiation levels of virtual link resources to be instantiated within a deployment flavour as defined in ETSI GS NFV-IFA 011 [1].
type: map # key: levelId
description: Describes the virtual link levels of resources that can be used to instantiate the VNF using this flavour.
required: true
entry_schema:
type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
constraints:
- min_length: 1
targets: [ tosca.nodes.nfv.VnfVirtualLink ]
tosca.policies.nfv.ScalingAspects:
derived_from: tosca.policies.Root
description: The ScalingAspects type is a policy type representing the scaling aspects used for horizontal scaling as defined in ETSI GS NFV-IFA 011 [1]
type: map # key: aspectId
description: Describe maximum scale level for total number of scaling steps that can be applied to a particular aspect
required: true
entry_schema:
type: tosca.datatypes.nfv.ScalingAspect
constraints:
- min_length: 1
tosca.policies.nfv.VduScalingAspectDeltas:
derived_from: tosca.policies.Root
description: The VduScalingAspectDeltas type is a policy type representing the Vdu.Compute detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1]
type: string
description: Represents the scaling aspect to which this policy applies
required: true
type: map # key: scalingDeltaId
description: Describes the Vdu.Compute scaling deltas to be applied for every scaling steps of a particular aspect.
required: true
entry_schema:
type: tosca.datatypes.nfv.VduLevel
constraints:
- min_length: 1
targets: [ tosca.nodes.nfv.Vdu.Compute ]
tosca.policies.nfv.VirtualLinkBitrateScalingAspectDeltas:
derived_from: tosca.policies.Root
description: The VirtualLinkBitrateScalingAspectDeltas type is a policy type representing the VnfVirtualLink detail of an aspect deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
properties:
aspect:
type: string
description: Represents the scaling aspect to which this policy applies.
required: true
type: map # key: scalingDeltaId
description: Describes the VnfVirtualLink scaling deltas to be applied for every scaling steps of a particular aspect.
required: true
entry_schema:
type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
constraints:
- min_length: 1
targets: [ tosca.nodes.nfv.VnfVirtualLink ]
tosca.policies.nfv.VduInitialDelta:
derived_from: tosca.policies.Root
description: The VduInitialDelta type is a policy type representing the Vdu.Compute detail of an initial delta used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
properties:
initial_delta:
type: tosca.datatypes.nfv.VduLevel
description: Represents the initial minimum size of the VNF.
required: true
targets: [ tosca.nodes.nfv.Vdu.Compute ]
tosca.policies.nfv.VirtualLinkBitrateInitialDelta:
derived_from: tosca.policies.Root
description: The VirtualLinkBitrateInitialDelta type is a policy type representing the VnfVirtualLink detail of an initial deltas used for horizontal scaling, as defined in ETSI GS NFV-IFA 011 [1].
properties:
initial_delta:
type: tosca.datatypes.nfv.VirtualLinkBitrateLevel
description: Represents the initial minimum size of the VNF.
required: true
targets: [ tosca.nodes.nfv.VnfVirtualLink ]
tosca.policies.nfv.AffinityRule:
derived_from: tosca.policies.Placement
description: The AffinityRule describes the affinity rules applicable for the defined targets
properties:
scope:
type: string
description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
required: true
constraints:
- valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
nfvi_maintenance_group_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the impact tolerance and rules to be observed when a group of instances based on the same Vdu.Compute node is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
tosca.policies.nfv.AntiAffinityRule:
derived_from: tosca.policies.Placement
description: The AntiAffinityRule describes the anti-affinity rules applicable for the defined targets
properties:
scope:
type: string
description: scope of the rule is an NFVI_node, an NFVI_PoP, etc.
required: true
constraints:
- valid_values: [ nfvi_node, zone, zone_group, nfvi_pop, network_link_and_node ]
nfvi_maintenance_group_info:
type: tosca.datatypes.nfv.NfviMaintenanceInfo
description: Provides information on the impact tolerance and rules to be observed when a group of instances based on the same Vdu.Compute node is impacted during NFVI operation and maintenance (e.g. NFVI resource upgrades).
required: false
targets: [ tosca.nodes.nfv.Vdu.Compute, tosca.nodes.nfv.VnfVirtualLink, tosca.groups.nfv.PlacementGroup ]
tosca.policies.nfv.SupportedVnfInterface:
derived_from: tosca.policies.Root
description: this policy type represents interfaces produced by a VNF, the details to access them and the applicable connection points to use to access these interfaces
properties:
interface_name:
type: string
description: Identifies an interface produced by the VNF.
required: true
constraints:
- valid_values: [ vnf_indicator, vnf_configuration, vnf_lcm_coordination ]
details:
type: tosca.datatypes.nfv.InterfaceDetails
description: Provide additional data to access the interface endpoint
required: false
targets: [ tosca.nodes.nfv.VnfExtCp, tosca.nodes.nfv.VduCp ]
tosca.policies.nfv.SecurityGroupRule:
derived_from: tosca.policies.nfv.Abstract.SecurityGroupRule
description: The SecurityGroupRule type is a policy type specified the matching criteria for the ingress and/or egress traffic to/from visited connection points as defined in ETSI GS NFV-IFA 011 [1].
targets: [ tosca.nodes.nfv.VduCp, tosca.nodes.nfv.VnfExtCp ]
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tosca.policies.nfv.VnfIndicator:
derived_from: tosca.policies.Root
description: The VnfIndicator policy type is a base policy type for defining VNF indicator specific policies that define the conditions to assess and the action to perform when a VNF indicator changes value as defined in ETSI GS NFV-IFA 011 [1].
properties:
source:
type: string
description: Describe the source of the indicator.
required: true
constraints:
- valid_values: [ vnf, em, both_vnf_and_em ]
targets: [ tosca.nodes.nfv.VNF ]
tosca.policies.nfv.VnfPackageChange:
derived_from: tosca.policies.Root
description: policy type specifying the processes and rules to be used for performing the resource related tasks, to change VNF instance to a different VNF Package (destination package)
properties:
selector:
type: tosca.datatypes.nfv.VnfPackageChangeSelector
description: Information to identify the source and destination VNFD for the change, and the related deployment flavours.
required: true
modification_qualifier:
type: string
description: Specifies the type of modification resulting from transitioning from srcVnfdId to dstVnfdId. The possible values are UP indicating that the destination VNF version is newer than the source version, DOWN indicating that the destination VNF version is older than the source version.
constraints: [ valid_values: [ up, down ] ]
required: true
additional_modification_description:
type: string
description: Additional information to qualify further the change between the two versions.
required: false
component_mappings:
type: list
entry_schema:
type: tosca.datatypes.nfv.VnfPackageChangeComponentMapping
description: Mapping information related to identifiers of components in source VNFD and destination VNFD that concern to the change process.
required: false
destination_flavour_id:
type: string
description: Identifies the deployment flavour in the destination VNF package for which this change applies. The flavour ID is defined in the destination VNF package.
required: true
actions:
type: list
description: List of applicable supported LCM coordination action names (action_name) specified in this VNFD as a TOSCA policy of a type derived from tosca.policies.nfv.LcmCoordinationAction.