//
// 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 mesos.quota;

import "github.com/mesos/mesos-go/api/v1/lib/mesos.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";

option go_package = "quota";
option (gogoproto.benchgen_all) = true;
option (gogoproto.enum_stringer_all) = true;
option (gogoproto.equal_all) = true;
option (gogoproto.goproto_enum_prefix_all) = false;
option (gogoproto.goproto_enum_stringer_all) = false;
option (gogoproto.goproto_stringer_all) = false;
option (gogoproto.goproto_unrecognized_all) = false;
option (gogoproto.gostring_all) = true;
option (gogoproto.marshaler_all) = true;
option (gogoproto.populate_all) = true;
option (gogoproto.protosizer_all) = true;
option (gogoproto.stringer_all) =  true;
option (gogoproto.testgen_all) = true;
option (gogoproto.unmarshaler_all) = true;
option (gogoproto.verbose_equal_all) = true;


/**
 * `QuotaInfo` describes the guaranteed resource allocation that a role
 * may rely on (i.e. minimum share a role is entitled to receive).
 *
 * As for now, `QuotaInfo` is an internal message used by the master and
 * therefore does not require versioning. However, in the future we may
 * want to expose it in the Framework API, which will render it being
 * external facing.
 */
// TODO(joerg84): Add limits, i.e. upper bounds of resources that a
// role is allowed to use.
message QuotaInfo {
  // Quota is granted per role and not per framework, similar to
  // dynamic reservations.
  optional string role = 1;

  // Principal which set the quota. Currently only operators can set quotas.
  optional string principal = 2;

  // The guarantee that these resources are allocatable for the above role.
  // NOTE: `guarantee.role` should not specify any role except '*',
  // because quota does not reserve specific resources.
  repeated Resource guarantee = 3 [(gogoproto.nullable) = false];
}


/**
 * `QuotaRequest` provides a schema for set quota JSON requests.
 */
message QuotaRequest {
  // Disables the capacity heuristic check if set to `true`.
  optional bool force = 1 [default = false];

  // The role for which to set quota.
  optional string role = 2;

  // The requested guarantee that these resources will be allocatable for
  // the above role.
  repeated Resource guarantee = 3 [(gogoproto.nullable) = false];
}


/**
 * `QuotaStatus` describes the internal representation for the /quota/status
 * response.
 */
message QuotaStatus {
  // Quotas which are currently set, i.e. known to the master.
  repeated QuotaInfo infos = 1 [(gogoproto.nullable) = false];
}
