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/**
* Copyright (C) 2021-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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/catalog_raii.h"
#include "mongo/db/client.h"
#include "mongo/db/commands.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/repl/repl_client_info.h"
#include "mongo/idl/idl_parser.h"
#include "mongo/s/catalog_cache_loader.h"
#include "mongo/s/grid.h"
#include "mongo/s/request_types/configure_collection_auto_split_gen.h"
namespace mongo {
namespace {
class ConfigCollAutoSplitCmd final : public TypedCommand<ConfigCollAutoSplitCmd> {
public:
using Request = ConfigureCollAutoSplit;
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
StringData kStatusField = "status"_sd;
void typedRun(OperationContext* opCtx) {
opCtx->setAlwaysInterruptAtStepDownOrUp();
const NamespaceString& nss = ns();
ConfigsvrConfigureCollAutoSplit configsvrRequest(nss);
configsvrRequest.setConfigureCollAutoSplit(request().getConfigureCollAutoSplit());
configsvrRequest.setDbName(request().getDbName());
auto configShard = Grid::get(opCtx)->shardRegistry()->getConfigShard();
auto cmdResponse = uassertStatusOK(configShard->runCommandWithFixedRetryAttempts(
opCtx,
ReadPreferenceSetting(ReadPreference::PrimaryOnly),
NamespaceString::kAdminDb.toString(),
configsvrRequest.toBSON({}),
Shard::RetryPolicy::kIdempotent));
uassertStatusOK(cmdResponse.commandStatus);
}
private:
NamespaceString ns() const override {
return request().getCommandParameter();
}
bool supportsWriteConcern() const override {
return false;
}
void doCheckAuthorization(OperationContext* opCtx) const override {
ActionSet actions({ActionType::splitChunk});
if (request().getBalancerShouldMergeChunks().get_value_or(false)) {
actions.addAction(ActionType::moveChunk);
}
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forExactNamespace(ns()),
actions));
}
};
std::string help() const override {
return "command to check whether the chunks of a given collection are in a quiesced state "
"or there are any which need to be moved because of (1) draining shards, (2) zone "
"violation or (3) imbalance between shards";
}
bool adminOnly() const override {
return true;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
} configureCollectionAutoSplitCmd;
} // namespace
} // namespace mongo
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