Assembles a collection of software configurations as a multi-part mime.
Parts in the message can be populated with inline configuration or references to other config resources. If the referenced resource is itself a valid multi-part mime message, that will be broken into parts and those parts appended to this message.
The resulting multi-part mime message will be stored by the configs API and can be referenced in properties such as OS::Nova::Server user_data.
This resource is generally used to build a list of cloud-init configuration elements including scripts and cloud-config. Since cloud-init is boot-only configuration, any changes to the definition will result in the replacement of all servers which reference it.
heat_template_version: 2014-10-16 ... resources: ... the_resource: type: OS::Heat::MultipartMime properties: parts: [{"filename": String, "subtype": String, "config": String, "type": String}, {"filename": String, "subtype": String, "config": String, "type": String}, ...]