EMR.Stepsee http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-emr-step.html
see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-emr-step-keyvalue.html
and hadoop_jar_step_config = {args : string list option;main_class : string option;step_properties : key_value list option;jar : string;}see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-emr-step-hadoopjarstepconfig.html
type properties = {job_flow_id : string;action_on_failure : string;hadoop_jar_step : hadoop_jar_step_config;name : string;}see http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-emr-step.html;
val make_properties :
job_flow_id:string ->
action_on_failure:string ->
hadoop_jar_step:hadoop_jar_step_config ->
name:string ->
unit ->
propertiesval make_key_value : ?value:string -> ?key:string -> unit -> key_valueval make_hadoop_jar_step_config :
?args:string list ->
?main_class:string ->
?step_properties:key_value list ->
jar:string ->
unit ->
hadoop_jar_step_configval yojson_of_key_value : key_value -> Yojson.Safe.tval yojson_of_hadoop_jar_step_config :
hadoop_jar_step_config ->
[> `Assoc of (string * Yojson.Safe.t) list ]val yojson_of_properties :
properties ->
[> `Assoc of (string * Yojson.Safe.t) list ]val create_attributes : string -> attributes