+ # {packer-cloud-settings} is passed from the project, defines the managed
+ # file-id name created in Jenkins
+ # (default: packer-cloud-env)
+ # {packer-version}: is global defined in job group level, the version number
+ # can be updated to install the latest version of packer.
+ # {platforms}: defines the packer platform file, passed from the project.
+ # {template}: defines the packer template file, passed from the project.