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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <boost/optional.hpp>
#include "mongo/base/status_with.h"
#include "mongo/client/connection_string.h"
#include "mongo/db/operation_context.h"
namespace mongo {
class BSONObj;
template <typename T>
class StatusWith;
/**
* Specifies a representation of the external mongos and internal config versions of the addShard
* command, and provides methods to convert the representation to and from BSON.
*/
class AddShardRequest {
public:
// Field names and types in the addShard request.
static const BSONField<std::string> mongosAddShard;
static const BSONField<std::string> mongosAddShardDeprecated;
static const BSONField<std::string> configsvrAddShard;
static const BSONField<std::string> shardName;
static const BSONField<long long> maxSizeMB;
/**
* Parses the provided BSON content as the external addShard command, and if it is correct,
* constructs an AddShardRequest object from it.
*/
static StatusWith<AddShardRequest> parseFromMongosCommand(const BSONObj& obj);
/**
* Parses the provided BSON content as the internal _configsvrAddShard command, and if it
* contains the correct types, constructs an AddShardRequest object from it.
*/
static StatusWith<AddShardRequest> parseFromConfigCommand(const BSONObj& obj);
/**
* Creates a serialized BSONObj of the internal _configsvrAddShard command from this
* AddShardRequest instance.
*/
BSONObj toCommandForConfig();
/**
* Verifies that the request parameters are valid and consistent with each other.
*/
Status validate(bool allowLocalHost);
std::string toString() const;
const ConnectionString& getConnString() const {
return _connString;
}
bool hasName() const {
return _name.is_initialized();
}
const std::string& getName() const {
invariant(_name.is_initialized());
return *_name;
}
private:
explicit AddShardRequest(ConnectionString connString);
/**
* Parses the fields from the provided BSON content into an AddShardRequest object.
*/
static StatusWith<AddShardRequest> parseInternalFields(const BSONObj& obj);
// If the shard to be added is standalone, then the hostname and port of the mongod instance to
// be added. If the shard to be added is a replica set, the name of the replica set and the
// hostname and port of at least one member of the replica set.
ConnectionString _connString;
// A name for the shard. If not specified, a unique name is automatically generated.
boost::optional<std::string> _name;
};
} // namespace mongo
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