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heat_template_version: 2016-10-14
description: >
Utility stack to convert an array of services into a set of combined
role configs.
parameters:
Services:
default: []
description: |
List nested stack service templates.
type: comma_delimited_list
EndpointMap:
default: {}
description: Mapping of service endpoint -> protocol. Typically set
via parameter_defaults in the resource registry.
type: json
resources:
ServiceChain:
type: OS::Heat::ResourceChain
properties:
resources: {get_param: Services}
concurrent: true
resource_properties:
EndpointMap: {get_param: EndpointMap}
outputs:
role_data:
description: Combined Role data for this set of services.
value:
service_names:
# Filter any null/None service_names which may be present due to mapping
# of services to OS::Heat::None
yaql:
expression: list($.data.s_names.where($ != null))
data: {s_names: {get_attr: [ServiceChain, role_data, service_name]}}
config_settings: {map_merge: {get_attr: [ServiceChain, role_data, config_settings]}}
step_config: {list_join: ["\n", {get_attr: [ServiceChain, role_data, step_config]}]}
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