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/**
* Copyright (C) 2023-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.
*/
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/commands.h"
#include "mongo/s/grid.h"
#include "mongo/s/request_types/merge_chunk_request_gen.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
namespace mongo {
namespace {
class ClusterMergeAllChunksOnShardCommand final
: public TypedCommand<ClusterMergeAllChunksOnShardCommand> {
public:
using Request = ClusterMergeAllChunksOnShard;
std::string help() const override {
return "Merge all contiguous chunks on a specific shard\n"
"usage: {mergeAllChunksOnShard: <ns>, shard: <shard>}";
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
bool adminOnly() const override {
return true;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
void typedRun(OperationContext* opCtx) {
const auto nss = ns();
const auto& req = request();
const auto& shardId = req.getShard();
auto shard =
uassertStatusOK(Grid::get(opCtx)->shardRegistry()->getShard(opCtx, shardId));
ShardSvrMergeAllChunksOnShard shardSvrMergeAllChunksOnShard(nss);
shardSvrMergeAllChunksOnShard.setDbName(DatabaseName::kAdmin);
shardSvrMergeAllChunksOnShard.setShard(shardId);
shardSvrMergeAllChunksOnShard.setMaxNumberOfChunksToMerge(
req.getMaxNumberOfChunksToMerge());
auto swCommandResponse = shard->runCommandWithFixedRetryAttempts(
opCtx,
ReadPreferenceSetting{ReadPreference::PrimaryOnly},
"admin",
shardSvrMergeAllChunksOnShard.toBSON({}),
Shard::RetryPolicy::kIdempotent);
uassertStatusOK(Shard::CommandResponse::getEffectiveStatus(swCommandResponse));
Grid::get(opCtx)
->catalogCache()
->invalidateShardOrEntireCollectionEntryForShardedCollection(
nss, boost::none, shardId);
}
private:
NamespaceString ns() const override {
return request().getCommandParameter();
}
bool supportsWriteConcern() const override {
return false;
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forExactNamespace(ns()),
ActionType::splitChunk));
}
};
} clusterMergeAllChunksOnShard;
} // namespace
} // namespace mongo
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