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#
# 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_1
metadata:
filename: relationships.yml
version: '1.0'
imports:
- tosca_index:
file: _index.yml
relationship_types:
tosca.relationships.Root:
description: This is the default (root) TOSCA Relationship Type definition that all other TOSCA Relationship Types derive from.
attributes:
tosca_id:
description: A unique identifier of the realized instance of a Relationship Template that derives from any TOSCA normative type.
type: string
tosca_name:
description: This attribute reflects the name of the Relationship Template as defined in the TOSCA service template. This name is not unique to the realized instance model of corresponding deployed application as each template in the model can result in one or more instances (e.g., scaled) when orchestrated to a provider environment.
type: string
state:
description: The state of the relationship instance.
type: string
default: initial
interfaces:
Configure:
type: tosca.interfaces.relationship.Configure
tosca.relationships.RoutesTo:
derived_from: tosca.relationships.ConnectsTo
description: This type represents an intentional network routing between two Endpoints in different networks.
valid_target_types:
- tosca.capabilities.Endpoint
tosca.relationships.network.LinksTo:
derived_from: tosca.relationships.DependsOn
description: This relationship type represents an association relationship between Port and Network node types.
valid_target_types:
- tosca.capabilities.network.Linkable
tosca.relationships.AttachesTo:
derived_from: tosca.relationships.Root
description: This type represents an attachment relationship between two nodes. For example, an AttachesTo relationship type would be used for attaching a storage node to a Compute node.
valid_target_types:
- tosca.capabilities.Attachment
properties:
location:
description: 'The relative location (e.g., path on the file system), which
provides the root location to address an attached node. e.g., a mount point
/ path such as ''/usr/data''. Note: The user must provide it and it cannot
be "root".'
type: string
constraints:
- min_length: 1
device:
description: The logical device name which for the attached device (which is represented by the target node in the model). e.g., '/dev/hda1'.
type: string
required: false
attributes:
device:
description: 'The logical name of the device as exposed to the instance. Note:
A runtime property that gets set when the model gets instantiated by the
orchestrator.'
type: string
tosca.relationships.network.BindsTo:
derived_from: tosca.relationships.DependsOn
description: This type represents a network association relationship between Port and Compute node types.
valid_target_types:
- tosca.capabilities.network.Bindable
tosca.relationships.HostedOn:
derived_from: tosca.relationships.Root
description: This type represents a hosting relationship between two nodes.
valid_target_types:
- tosca.capabilities.Container
tosca.relationships.DependsOn:
derived_from: tosca.relationships.Root
description: This type represents a general dependency relationship between two nodes.
valid_target_types:
- tosca.capabilities.Node
tosca.relationships.ConnectsTo:
derived_from: tosca.relationships.Root
description: This type represents a network connection relationship between two nodes.
valid_target_types:
- tosca.capabilities.Endpoint
properties:
credential:
type: tosca.datatypes.Credential
required: false
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