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# ================================================================================
# Copyright (c) 2017-2018 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
tosca_definitions_version: cloudify_dsl_1_3

imports:
    - http://www.getcloudify.org/spec/cloudify/3.4/types.yaml

plugins:
  relationships:
    executor: 'central_deployment_agent'
    package_name: relationshipplugin
    package_version: 1.0.0

relationships:
    # The relationship type here is to be used between service component nodes. What is achieved here is
    # functionality in providing this relationship information to the service components so that they can
    # do service discovery.
    #
    # This function will create/add to the rels list for components. So going from a "collector node -> analytics node"
    # for example, this is kind of the edge and will add:
    # 
    # ```
    # "collector_name:rel": ["analytics_name"]
    # ```
    #
    # To the key value store.
    #
    dcae.relationships.component_connected_to:
        derived_from: cloudify.relationships.connected_to
        # These operations are for adding and removing relationships from Consul
        # http://getcloudify.org/guide/3.1/reference-builtin-workflows.html
        target_interfaces:
            cloudify.interfaces.relationship_lifecycle:
                preconfigure:
                    # Adds target to the source relationship list
                    implementation: relationships.relationshipplugin.add_relationship
                unlink:
                    # Removes target from the source relationship list
                    implementation: relationships.relationshipplugin.remove_relationship

    dcae.relationships.component_contained_in:
        derived_from: cloudify.relationships.contained_in
        target_interfaces:
            cloudify.interfaces.relationship_lifecycle:
                preconfigure:
                    implementation: relationships.relationshipplugin.forward_destination_info
                # TODO: Is there a need for "unlink"?

    dcae.relationships.component_registered_to:
        #Operates on a relationship A -> B and makes the following assumptions:
        derived_from: cloudify.relationships.connected_to
        target_interfaces:
            cloudify.interfaces.relationship_lifecycle:
                preconfigure:
                    implementation: relationships.relationshipplugin.tasks.registered_to
                    inputs:
                       address_to_register:
                           type: string
                       port_to_register:
                           type: string
                       name_to_register:
                           type: string
                unlink:
                    implementation: relationships.relationshipplugin.tasks.registered_to_delete