code: def get_all_host_templates(resource_root, cluster_name="default"):
    
    return call(resource_root.get,
        HOST_TEMPLATES_PATH % (cluster_name,),
        ApiHostTemplate, True, api_version=3)
docs: Get all host templates in a cluster.
    @param cluster_name: Cluster name.
    @return: ApiList of ApiHostTemplate objects for all host templates in a cluster.
    @since: API v3