/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * These .proto interfaces are private and stable.
 * Please see http://wiki.apache.org/hadoop/Compatibility
 * for what changes are allowed for a *stable* .proto interface.
 */

// This file contains protocol buffers that are used throughout HDFS -- i.e.
// by the client, server, and data transfer protocols.

option java_package = "org.apache.slider.api.proto";
option java_outer_classname = "Messages";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
package org.apache.slider.api;

//import "Security.proto";

message RoleInstanceState {
  required string name = 1;
  optional string role = 2;
  required uint32 state = 4;
  required uint32 exitCode = 5;
  optional string command = 6;
  optional string diagnostics = 7;
  repeated string output = 8;
  repeated string environment = 9;
  required uint32 roleId = 10;
  required bool released = 11;
  required int64 createTime = 12;
  required int64 startTime = 13;
  required string host = 14;
  required string hostURL = 15;
}

/**
 * stop the cluster
 */
message StopClusterRequestProto {
  /**
  message to include
  */
  required string message = 1;
}
/**
 * stop the cluster
 */
message StopClusterResponseProto {
}

/**
 * flex the cluster
 */
message FlexClusterRequestProto {
  required string clusterSpec = 1;
}


/**
 * stop the cluster
 */
message FlexClusterResponseProto {
  required bool response = 1;
}


/**
 * void request
 */
message GetJSONClusterStatusRequestProto {
}

/**
 * response
 */
message GetJSONClusterStatusResponseProto {
  required string clusterSpec = 1;
}

/**
 * list the nodes in a role
 */
message ListNodeUUIDsByRoleRequestProto {
  required string role = 1;
}

/**
 * list the nodes in a role
 */
message ListNodeUUIDsByRoleResponseProto {
  repeated string uuid = 1 ;
}

/**
 * get a node
 */
message GetNodeRequestProto {
  required string uuid = 1;
}


/**
 * response on a node
 */
message GetNodeResponseProto {
   required RoleInstanceState clusterNode = 1 ;
}

/**
 * list the nodes for the UUDs
 */
message GetClusterNodesRequestProto {
  repeated string uuid = 1 ;
}

/**
 * list the nodes in a role
 */
message GetClusterNodesResponseProto {
  repeated RoleInstanceState clusterNode = 1 ;
}

/**
 * Echo
 */
message EchoRequestProto {
  required string text = 1;
}

/**
 * Echo reply
 */
message EchoResponseProto {
  required string text = 1;
}


/**
 * Kill a container
 */
message KillContainerRequestProto {
  required string id = 1;
}

/**
 * Kill reply
 */
message KillContainerResponseProto {
  required bool success = 1;
}

/**
 * AM suicide
 */
message AMSuicideRequestProto {
  required string text = 1;
  required int32 signal = 2;
  required int32 delay = 3;
}

/**
 * AM suicide reply. For this to be returned implies
 * a failure of the AM to kill itself
 */
message AMSuicideResponseProto {

}


/**
 * Ask for the instance definition details
 */
message GetInstanceDefinitionRequestProto {

}

/**
 * Get the definition back as three separate JSON strings
 */
message GetInstanceDefinitionResponseProto {
  required string internal = 1;
  required string resources = 2;
  required string application = 3;
}