//  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.

syntax = "proto2";
package heron.proto.system;

option java_package = "org.apache.heron.proto.system";
option java_outer_classname = "PackingPlans";

// This file defines the packing plan of a topology.
// It reflects the the instances and containers of a topology.

message Resource {
  required double cpu = 1;
  required int64 ram = 2;
  required int64 disk = 3;
}

message InstancePlan {
  required string component_name = 1;
  required int32 task_id = 2;         // global
  required int32 component_index = 3; // specific to this component
  required Resource resource = 4;
}

message ContainerPlan {
  required int32 id = 1;
  repeated InstancePlan instance_plans = 2;
  required Resource requiredResource = 3;
  optional Resource scheduledResource = 4;
}

message PackingPlan {
  required string id = 1;
  repeated ContainerPlan container_plans = 2;
}