tosca_definitions_version: tosca_simple_yaml_1_0 node_types: example.TransactionSubsystem: properties: mq_server_ip: type: string receiver_port: type: integer attributes: receiver_ip: type: string receiver_port: type: integer capabilities: message_receiver: type: example.capabilities.Receiver requirements: - database_endpoint: capability: tosca.capabilities.Endpoint.Database node: tosca.nodes.Database relationship: tosca.relationships.ConnectsTo example.QueuingSubsystem: derived_from: tosca.nodes.SoftwareComponent requirements: - receiver1: node: example.TransactionSubsystem relationship: tosca.relationships.ConnectsTo - receiver2: node: example.TransactionSubsystem relationship: tosca.relationships.ConnectsTo example.DatabaseSubsystem: derived_from: tosca.nodes.Database example.SomeApp: derived_from: tosca.nodes.SoftwareComponent properties: admin_user: type: string pool_size: type: integer capabilities: message_receiver: type: example.capabilities.Receiver capability_types: example.capabilities.Receiver: derived_from: tosca.capabilities.Endpoint properties: server_ip: type: string