[2/6] incubator-kudu git commit: Move the maintenance manager to util

[mp...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-kudu/blob/ee380939/src/kudu/util/maintenance_manager.proto
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diff --git a/src/kudu/util/maintenance_manager.proto b/src/kudu/util/maintenance_manager.proto
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+// 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.
+package kudu;
+
+option java_package = "org.kududb";
+
+// Used to present the maintenance manager's internal state.
+message MaintenanceManagerStatusPB {
+  message MaintenanceOpPB {
+    required string name = 1;
+    // Number of times this operation is currently running.
+    required uint32 running = 2;
+    required bool runnable = 3;
+    required uint64 ram_anchored_bytes = 4;
+    required int64 logs_retained_bytes = 5;
+    required double perf_improvement = 6;
+  }
+
+  message CompletedOpPB {
+    required string name = 1;
+    required int32 duration_millis = 2;
+    // Number of seconds since this operation started.
+    required int32 secs_since_start = 3;
+  }
+
+  // The next operation that would run.
+  optional MaintenanceOpPB best_op = 1;
+
+  // List of all the operations.
+  repeated MaintenanceOpPB registered_operations = 2;
+
+  // This list isn't in order of anything. Can contain the same operation mutiple times.
+  repeated CompletedOpPB completed_operations = 3;
+}
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