On-Board Modelspec to use RTD, convert wiki docs

Create top level docs folder
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Create top level index structure
All exist rst files were connected
Convert 2 wiki documents to restructured text (listed in Jira Issue MODELING-22

Change-Id: I6f66524a27c7c19ffdee091f1e3da7f748bb6c1f
Issue-ID: MODELING-22
Signed-off-by: Rich Bennett <rb2745@att.com>

1 files changed, 892 insertions, 0 deletions

diff --git a/docs/refspec/open-o/vnfd/tosca_definition_1.0.yaml b/docs/refspec/open-o/vnfd/tosca_definition_1.0.yaml
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+#
+# Copyright 2017 ZTE Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+node_types:
+  tosca.nodes.Root:
+    description: >
+      The TOSCA root node all other TOSCA base node types derive from.
+    attributes:
+      tosca_id:
+        type: string
+      tosca_name:
+        type: string
+      state:
+        type: string
+    capabilities:
+      feature:
+        type: tosca.capabilities.Node
+    requirements:
+      - dependency:
+          capability: tosca.capabilities.Node
+          node: tosca.nodes.Root
+          relationship: tosca.relationships.DependsOn
+          occurrences: [ 0, UNBOUNDED ]
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+
+  tosca.nodes.Compute:
+    derived_from: tosca.nodes.Root
+    attributes:
+      private_address:
+        type: string
+      public_address:
+        type: string
+      networks:
+        type: map
+        entry_schema:
+          type: tosca.datatypes.network.NetworkInfo
+      ports:
+        type: map
+        entry_schema:
+          type: tosca.datatypes.network.PortInfo
+    capabilities:
+        host:
+           type: tosca.capabilities.Container
+        binding:
+           type: tosca.capabilities.network.Bindable
+        os:
+           type: tosca.capabilities.OperatingSystem
+        scalable:
+           type: tosca.capabilities.Scalable
+    requirements:
+      - local_storage:
+          capability: tosca.capabilities.Attachment
+          node: tosca.nodes.BlockStorage
+          relationship: tosca.relationships.AttachesTo
+          occurrences: [0, UNBOUNDED]
+
+  tosca.nodes.SoftwareComponent:
+    derived_from: tosca.nodes.Root
+    properties:
+      # domain-specific software component version
+      component_version:
+        type: version
+        required: false
+        description: >
+          Software component version.
+      admin_credential:
+        type: tosca.datatypes.Credential
+        required: false
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container
+          node: tosca.nodes.Compute
+          relationship: tosca.relationships.HostedOn
+
+  tosca.nodes.DBMS:
+    derived_from: tosca.nodes.SoftwareComponent
+    properties:
+      port:
+        required: false
+        type: integer
+        description: >
+          The port the DBMS service will listen to for data and requests.
+      root_password:
+        required: false
+        type: string
+        description: >
+          The root password for the DBMS service.
+    capabilities:
+      host:
+        type: tosca.capabilities.Container
+        valid_source_types: [tosca.nodes.Database]
+
+  tosca.nodes.Database:
+    derived_from: tosca.nodes.Root
+    properties:
+      user:
+        required: false
+        type: string
+        description: >
+          User account name for DB administration
+      port:
+        required: false
+        type: integer
+        description:  >
+          The port the database service will use to listen for incoming data and requests.
+      name:
+        required: false
+        type: string
+        description: >
+          The name of the database.
+      password:
+        required: false
+        type: string
+        description: >
+          The password for the DB user account
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container
+          node: tosca.nodes.DBMS
+          relationship: tosca.relationships.HostedOn
+    capabilities:
+      database_endpoint:
+        type: tosca.capabilities.Endpoint.Database
+
+  tosca.nodes.WebServer:
+    derived_from: tosca.nodes.SoftwareComponent
+    capabilities:
+      data_endpoint:
+        type: tosca.capabilities.Endpoint
+      admin_endpoint:
+        type: tosca.capabilities.Endpoint.Admin
+      host:
+        type: tosca.capabilities.Container
+        valid_source_types: [tosca.nodes.WebApplication]
+
+  tosca.nodes.WebApplication:
+    derived_from: tosca.nodes.Root
+    properties:
+      context_root:
+        type: string
+        required: false
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container
+          node: tosca.nodes.WebServer
+          relationship: tosca.relationships.HostedOn
+    capabilities:
+      app_endpoint:
+        type: tosca.capabilities.Endpoint
+
+  tosca.nodes.BlockStorage:
+    derived_from: tosca.nodes.Root
+    properties:
+      size:
+        type: scalar-unit.size
+        constraints:
+          - greater_or_equal: 1 MB
+      volume_id:
+        type: string
+        required: false
+      snapshot_id:
+        type: string
+        required: false
+    attributes:
+      volume_id:
+        type: string
+    capabilities:
+      attachment:
+        type: tosca.capabilities.Attachment
+
+  tosca.nodes.network.Network:
+    derived_from: tosca.nodes.Root
+    description: >
+      The TOSCA Network node represents a simple, logical network service.
+    properties:
+      ip_version:
+        type: integer
+        required: false
+        default: 4
+        constraints:
+          - valid_values: [ 4, 6 ]
+        description: >
+          The IP version of the requested network. Valid values are 4 for ipv4
+          or 6 for ipv6.
+      cidr:
+        type: string
+        required: false
+        description: >
+          The cidr block of the requested network.
+      start_ip:
+        type: string
+        required: false
+        description: >
+           The IP address to be used as the start of a pool of addresses within
+           the full IP range derived from the cidr block.
+      end_ip:
+        type: string
+        required: false
+        description: >
+            The IP address to be used as the end of a pool of addresses within
+            the full IP range derived from the cidr block.
+      gateway_ip:
+        type: string
+        required: false
+        description: >
+           The gateway IP address.
+      network_name:
+        type: string
+        required: false
+        description: >
+           An identifier that represents an existing Network instance in the
+           underlying cloud infrastructure or can be used as the name of the
+           newly created network. If network_name is provided and no other
+           properties are provided (with exception of network_id), then an
+           existing network instance will be used. If network_name is provided
+           alongside with more properties then a new network with this name will
+           be created.
+      network_id:
+        type: string
+        required: false
+        description: >
+           An identifier that represents an existing Network instance in the
+           underlying cloud infrastructure. This property is mutually exclusive
+           with all other properties except network_name. This can be used alone
+           or together with network_name to identify an existing network.
+      segmentation_id:
+        type: string
+        required: false
+        description: >
+           A segmentation identifier in the underlying cloud infrastructure.
+           E.g. VLAN ID, GRE tunnel ID, etc..
+      network_type:
+        type: string
+        required: false
+        description: >
+           It specifies the nature of the physical network in the underlying
+           cloud infrastructure. Examples are flat, vlan, gre or vxlan.
+           For flat and vlan types, physical_network should be provided too.
+      physical_network:
+        type: string
+        required: false
+        description: >
+           It identifies the physical network on top of which the network is
+           implemented, e.g. physnet1. This property is required if network_type
+           is flat or vlan.
+      dhcp_enabled:
+        type: boolean
+        required: false
+        default: true
+        description: >
+          Indicates should DHCP service be enabled on the network or not.
+    capabilities:
+      link:
+        type: tosca.capabilities.network.Linkable
+
+  tosca.nodes.network.Port:
+    derived_from: tosca.nodes.Root
+    description: >
+      The TOSCA Port node represents a logical entity that associates between
+      Compute and Network normative types. The Port node type effectively
+      represents a single virtual NIC on the Compute node instance.
+    properties:
+      ip_address:
+        type: string
+        required: false
+        description: >
+          Allow the user to set a static IP.
+      order:
+        type: integer
+        required: false
+        default: 0
+        constraints:
+          - greater_or_equal: 0
+        description: >
+          The order of the NIC on the compute instance (e.g. eth2).
+      is_default:
+        type: boolean
+        required: false
+        default: false
+        description: >
+          If is_default=true this port will be used for the default gateway
+          route. Only one port that is associated to single compute node can
+          set as is_default=true.
+      ip_range_start:
+        type: string
+        required: false
+        description: >
+          Defines the starting IP of a range to be allocated for the compute
+          instances that are associated with this Port.
+      ip_range_end:
+        type: string
+        required: false
+        description: >
+          Defines the ending IP of a range to be allocated for the compute
+          instances that are associated with this Port.
+    attributes:
+      ip_address:
+        type: string
+    requirements:
+      - binding:
+          description: >
+            Binding requirement expresses the relationship between Port and
+            Compute nodes. Effectively it indicates that the Port will be
+            attached to specific Compute node instance
+          capability: tosca.capabilities.network.Bindable
+          relationship: tosca.relationships.network.BindsTo
+          node: tosca.nodes.Compute
+      - link:
+          description: >
+            Link requirement expresses the relationship between Port and Network
+            nodes. It indicates which network this port will connect to.
+          capability: tosca.capabilities.network.Linkable
+          relationship: tosca.relationships.network.LinksTo
+          node: tosca.nodes.network.Network
+
+  tosca.nodes.ObjectStorage:
+    derived_from: tosca.nodes.Root
+    description: >
+      The TOSCA ObjectStorage node represents storage that provides the ability
+      to store data as objects (or BLOBs of data) without consideration for the
+      underlying filesystem or devices
+    properties:
+      name:
+        type: string
+        required: true
+        description: >
+          The logical name of the object store (or container).
+      size:
+        type: scalar-unit.size
+        required: false
+        constraints:
+          - greater_or_equal: 0 GB
+        description: >
+          The requested initial storage size.
+      maxsize:
+        type: scalar-unit.size
+        required: false
+        constraints:
+          - greater_or_equal: 0 GB
+        description: >
+          The requested maximum storage size.
+    capabilities:
+      storage_endpoint:
+        type: tosca.capabilities.Endpoint
+
+  tosca.nodes.LoadBalancer:
+    derived_from: tosca.nodes.Root
+    properties:
+      algorithm:
+        type: string
+        required: false
+        status: experimental
+    capabilities:
+      client:
+        type: tosca.capabilities.Endpoint.Public
+        occurrences: [0, UNBOUNDED]
+        description: the Floating (IP) client’s on the public network can connect to
+    requirements:
+      - application:
+          capability: tosca.capabilities.Endpoint
+          relationship: tosca.relationships.RoutesTo
+          occurrences: [0, UNBOUNDED]
+          description: Connection to one or more load balanced applications
+
+  tosca.nodes.Container.Application:
+    derived_from: tosca.nodes.Root
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container
+          node: tosca.nodes.Container.Runtime
+          relationship: tosca.relationships.HostedOn
+
+  tosca.nodes.Container.Runtime:
+    derived_from: tosca.nodes.SoftwareComponent
+    capabilities:
+      host:
+        type: tosca.capabilities.Container
+      scalable:
+        type: tosca.capabilities.Scalable
+
+  tosca.nodes.Container.Application.Docker:
+    derived_from: tosca.nodes.Container.Application
+    requirements:
+      - host:
+          capability: tosca.capabilities.Container.Docker
+
+relationship_types:
+  tosca.relationships.Root:
+    description: >
+      The TOSCA root Relationship Type all other TOSCA base Relationship Types
+      derive from.
+    attributes:
+      tosca_id:
+        type: string
+      tosca_name:
+        type: string
+    interfaces:
+      Configure:
+        type: tosca.interfaces.relationship.Configure
+
+  tosca.relationships.DependsOn:
+    derived_from: tosca.relationships.Root
+
+  tosca.relationships.HostedOn:
+    derived_from: tosca.relationships.Root
+    valid_target_types: [ tosca.capabilities.Container ]
+
+  tosca.relationships.ConnectsTo:
+    derived_from: tosca.relationships.Root
+    valid_target_types: [ tosca.capabilities.Endpoint ]
+    credential:
+      type: tosca.datatypes.Credential
+      required: false
+
+  tosca.relationships.AttachesTo:
+    derived_from: tosca.relationships.Root
+    valid_target_types: [ tosca.capabilities.Attachment ]
+    properties:
+      location:
+        required: true
+        type: string
+        constraints:
+          - min_length: 1
+      device:
+        required: false
+        type: string
+
+  tosca.relationships.RoutesTo:
+    derived_from: tosca.relationships.ConnectsTo
+    valid_target_types: [ tosca.capabilities.Endpoint ]
+
+  tosca.relationships.network.LinksTo:
+    derived_from: tosca.relationships.DependsOn
+    valid_target_types: [ tosca.capabilities.network.Linkable ]
+
+  tosca.relationships.network.BindsTo:
+    derived_from: tosca.relationships.DependsOn
+    valid_target_types: [ tosca.capabilities.network.Bindable ]
+
+capability_types:
+  tosca.capabilities.Root:
+    description: >
+      The TOSCA root Capability Type all other TOSCA base Capability Types
+      derive from.
+
+  tosca.capabilities.Node:
+    derived_from: tosca.capabilities.Root
+
+  tosca.capabilities.Container:
+    derived_from: tosca.capabilities.Root
+    properties:
+      num_cpus:
+        required: false
+        type: integer
+        constraints:
+          - greater_or_equal: 1
+      cpu_frequency:
+        required: false
+        type: scalar-unit.frequency
+        constraints:
+          - greater_or_equal: 0.1 GHz
+      disk_size:
+        required: false
+        type: scalar-unit.size
+        constraints:
+          - greater_or_equal: 0 MB
+      mem_size:
+        required: false
+        type: scalar-unit.size
+        constraints:
+          - greater_or_equal: 0 MB
+
+  tosca.capabilities.Endpoint:
+    derived_from: tosca.capabilities.Root
+    properties:
+      protocol:
+        type: string
+        required: true
+        default: tcp
+      port:
+        type: tosca.datatypes.network.PortDef
+        required: false
+      secure:
+        type: boolean
+        required: false
+        default: false
+      url_path:
+        type: string
+        required: false
+      port_name:
+        type: string
+        required: false
+      network_name:
+        type: string
+        required: false
+      initiator:
+        type: string
+        required: false
+        default: source
+        constraints:
+          - valid_values: [source, target, peer]
+      ports:
+        type: map
+        required: false
+        constraints:
+          - min_length: 1
+        entry_schema:
+          type: tosca.datatypes.network.PortSpec
+    attributes:
+      ip_address:
+        type: string
+
+  tosca.capabilities.Endpoint.Admin:
+    derived_from: tosca.capabilities.Endpoint
+    properties:
+      secure:
+        type: boolean
+        default: true
+        constraints:
+          - equal: true
+
+  tosca.capabilities.Endpoint.Public:
+    derived_from: tosca.capabilities.Endpoint
+    properties:
+      network_name:
+        type: string
+        default: PUBLIC
+        constraints:
+          - equal: PUBLIC
+      floating:
+        description: >
+          Indicates that the public address should be allocated from a pool of
+          floating IPs that are associated with the network.
+        type: boolean
+        default: false
+        status: experimental
+      dns_name:
+        description: The optional name to register with DNS
+        type: string
+        required: false
+        status: experimental
+
+  tosca.capabilities.Scalable:
+    derived_from: tosca.capabilities.Root
+    properties:
+      min_instances:
+        type: integer
+        required: true
+        default: 1
+        description: >
+          This property is used to indicate the minimum number of instances
+          that should be created for the associated TOSCA Node Template by
+          a TOSCA orchestrator.
+      max_instances:
+        type: integer
+        required: true
+        default: 1
+        description: >
+          This property is used to indicate the maximum number of instances
+          that should be created for the associated TOSCA Node Template by
+          a TOSCA orchestrator.
+      default_instances:
+        type: integer
+        required: false
+        description: >
+          An optional property that indicates the requested default number
+          of instances that should be the starting number of instances a
+          TOSCA orchestrator should attempt to allocate.
+          The value for this property MUST be in the range between the values
+          set for min_instances and max_instances properties.
+
+  tosca.capabilities.Endpoint.Database:
+    derived_from: tosca.capabilities.Endpoint
+
+  tosca.capabilities.Attachment:
+    derived_from: tosca.capabilities.Root
+
+  tosca.capabilities.network.Linkable:
+    derived_from: tosca.capabilities.Root
+    description: >
+      A node type that includes the Linkable capability indicates that it can
+      be pointed by tosca.relationships.network.LinksTo relationship type, which
+      represents an association relationship between Port and Network node types.
+
+  tosca.capabilities.network.Bindable:
+    derived_from: tosca.capabilities.Root
+    description: >
+      A node type that includes the Bindable capability indicates that it can
+      be pointed by tosca.relationships.network.BindsTo relationship type, which
+      represents a network association relationship between Port and Compute node
+      types.
+
+  tosca.capabilities.OperatingSystem:
+    derived_from: tosca.capabilities.Root
+    properties:
+      architecture:
+        required: false
+        type: string
+        description: >
+          The host Operating System (OS) architecture.
+      type:
+        required: false
+        type: string
+        description: >
+          The host Operating System (OS) type.
+      distribution:
+        required: false
+        type: string
+        description: >
+          The host Operating System (OS) distribution. Examples of valid values
+          for an “type” of “Linux” would include:
+          debian, fedora, rhel and ubuntu.
+      version:
+        required: false
+        type: version
+        description: >
+          The host Operating System version.
+
+  tosca.capabilities.Container.Docker:
+    derived_from: tosca.capabilities.Container
+    properties:
+      version:
+        type: list
+        required: false
+        entry_schema:
+          type: version
+        description: >
+          The Docker version capability.
+      publish_all:
+        type: boolean
+        default: false
+        required: false
+        description: >
+          Indicates that all ports (ranges) listed in the dockerfile
+          using the EXPOSE keyword be published.
+      publish_ports:
+        type: list
+        entry_schema:
+          type: PortSpec
+        required: false
+        description: >
+          List of ports mappings from source (Docker container)
+          to target (host) ports to publish.
+      expose_ports:
+        type: list
+        entry_schema:
+          type: PortSpec
+        required: false
+        description: >
+          List of ports mappings from source (Docker container) to expose
+          to other Docker containers (not accessible outside host).
+      volumes:
+        type: list
+        entry_schema:
+          type: string
+        required: false
+        description: >
+          The dockerfile VOLUME command which is used to enable access
+          from the Docker container to a directory on the host machine.
+      host_id:
+        type: string
+        required: false
+        description: >
+            The optional identifier of an existing host resource
+            that should be used to run this container on.
+      volume_id:
+        type: string
+        required: false
+        description: >
+          The optional identifier of an existing storage volume (resource)
+          that should be used to create the container's mount point(s) on.
+
+interface_types:
+  tosca.interfaces.node.lifecycle.Standard:
+    create:
+      description: Standard lifecycle create operation.
+    configure:
+      description: Standard lifecycle configure operation.
+    start:
+      description: Standard lifecycle start operation.
+    stop:
+      description: Standard lifecycle stop operation.
+    delete:
+      description: Standard lifecycle delete operation.
+
+  tosca.interfaces.relationship.Configure:
+    pre_configure_source:
+      description: Operation to pre-configure the source endpoint.
+    pre_configure_target:
+      description: Operation to pre-configure the target endpoint.
+    post_configure_source:
+      description: Operation to post-configure the source endpoint.
+    post_configure_target:
+      description: Operation to post-configure the target endpoint.
+    add_target:
+      description: Operation to add a target node.
+    remove_target:
+      description: Operation to remove a target node.
+    add_source: 
+      description: Operation to notify the target node of a source node which
+      is now available via a relationship.
+    target_changed: 
+      description: Operation to notify source some property or attribute of the
+      target changed
+
+data_types:
+  tosca.datatypes.Root:
+    description: >
+      The TOSCA root Data Type all other TOSCA base Data Types derive from
+
+  tosca.datatypes.network.NetworkInfo:
+    derived_from: tosca.datatypes.Root
+    properties:
+      network_name:
+        type: string
+      network_id:
+        type: string
+      addresses:
+        type: list
+        entry_schema:
+          type: string
+
+  tosca.datatypes.network.PortInfo:
+    derived_from: tosca.datatypes.Root
+    properties:
+      port_name:
+        type: string
+      port_id:
+        type: string
+      network_id:
+        type: string
+      mac_address:
+        type: string
+      addresses:
+        type: list
+        entry_schema:
+          type: string
+
+  tosca.datatypes.network.PortDef:
+    derived_from: tosca.datatypes.Root
+    type: integer
+    constraints:
+      - in_range: [ 1, 65535 ]
+
+  tosca.datatypes.network.PortSpec:
+    derived_from: tosca.datatypes.Root
+    properties:
+      protocol:
+        type: string
+        required: true
+        default: tcp
+        constraints:
+          - valid_values: [ udp, tcp, igmp ]
+      target:
+        type: PortDef
+        required: false
+      target_range:
+        type: range
+        required: false
+        constraints:
+          - in_range: [ 1, 65535 ]
+      source:
+        type: PortDef
+        required: false
+      source_range:
+        type: range
+        required: false
+        constraints:
+          - in_range: [ 1, 65535 ]
+
+  tosca.datatypes.Credential:
+    derived_from: tosca.datatypes.Root
+    properties:
+      protocol:
+        type: string
+        required: false
+      token_type:
+        type: string
+        default: password
+        required: true
+      token:
+        type: string
+        required: true
+      keys:
+        type: map
+        entry_schema:
+          type: string
+        required: false
+      user:
+        type: string
+        required: false
+
+artifact_types:
+  tosca.artifacts.Root:
+    description: >
+      The TOSCA Artifact Type all other TOSCA Artifact Types derive from
+    properties:
+      version: version
+
+  tosca.artifacts.File:
+    derived_from: tosca.artifacts.Root
+
+  tosca.artifacts.Deployment:
+    derived_from: tosca.artifacts.Root
+    description: TOSCA base type for deployment artifacts
+
+  tosca.artifacts.Deployment.Image:
+    derived_from: tosca.artifacts.Deployment
+
+  tosca.artifacts.Deployment.Image.VM:
+    derived_from: tosca.artifacts.Deployment.Image
+
+  tosca.artifacts.Implementation:
+    derived_from: tosca.artifacts.Root
+    description: TOSCA base type for implementation artifacts
+
+  tosca.artifacts.Implementation.Bash:
+    derived_from: tosca.artifacts.Implementation
+    description: Script artifact for the Unix Bash shell
+    mime_type: application/x-sh
+    file_ext: [ sh ]
+
+  tosca.artifacts.Implementation.Python:
+    derived_from: tosca.artifacts.Implementation
+    description: Artifact for the interpreted Python language
+    mime_type: application/x-python
+    file_ext: [ py ]
+
+  tosca.artifacts.Deployment.Image.Container.Docker:
+    derived_from: tosca.artifacts.Deployment.Image
+    description: Docker container image
+
+  tosca.artifacts.Deployment.Image.VM.ISO:
+    derived_from: tosca.artifacts.Deployment.Image
+    description: Virtual Machine (VM) image in ISO disk format
+    mime_type: application/octet-stream
+    file_ext: [ iso ]
+
+  tosca.artifacts.Deployment.Image.VM.QCOW2:
+    derived_from: tosca.artifacts.Deployment.Image
+    description: Virtual Machine (VM) image in QCOW v2 standard disk format
+    mime_type: application/octet-stream
+    file_ext: [ qcow2 ]
+
+policy_types:
+  tosca.policies.Root:
+    description: The TOSCA Policy Type all other TOSCA Policy Types derive from.
+
+  tosca.policies.Placement:
+    derived_from: tosca.policies.Root
+    description: The TOSCA Policy Type definition that is used to govern
+      placement of TOSCA nodes or groups of nodes.
+
+  tosca.policies.Scaling:
+    derived_from: tosca.policies.Root
+    description: The TOSCA Policy Type definition that is used to govern
+      scaling of TOSCA nodes or groups of nodes.
+
+  tosca.policies.Update:
+    derived_from: tosca.policies.Root
+    description: The TOSCA Policy Type definition that is used to govern
+      update of TOSCA nodes or groups of nodes.
+
+  tosca.policies.Performance:
+    derived_from: tosca.policies.Root
+    description: The TOSCA Policy Type definition that is used to declare
+      performance requirements for TOSCA nodes or groups of nodes.
+
+group_types:
+  tosca.groups.Root:
+    description: The TOSCA Group Type all other TOSCA Group Types derive from
+    interfaces:
+      Standard:
+        type: tosca.interfaces.node.lifecycle.Standard
+