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/**
* Copyright (C) 2016 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
#include "mongo/db/s/sharding_initialization_mongod.h"
#include "mongo/platform/basic.h"
#include "mongo/base/status.h"
#include "mongo/client/connection_string.h"
#include "mongo/client/remote_command_targeter.h"
#include "mongo/client/remote_command_targeter_factory_impl.h"
#include "mongo/db/logical_time_metadata_hook.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/s/read_only_catalog_cache_loader.h"
#include "mongo/db/s/shard_server_catalog_cache_loader.h"
#include "mongo/db/s/sharding_egress_metadata_hook_for_mongod.h"
#include "mongo/db/server_options.h"
#include "mongo/executor/task_executor.h"
#include "mongo/rpc/metadata/egress_metadata_hook_list.h"
#include "mongo/s/catalog/sharding_catalog_manager.h"
#include "mongo/s/catalog_cache.h"
#include "mongo/s/catalog_cache_loader.h"
#include "mongo/s/client/shard_factory.h"
#include "mongo/s/client/shard_local.h"
#include "mongo/s/client/shard_remote.h"
#include "mongo/s/config_server_catalog_cache_loader.h"
#include "mongo/s/sharding_initialization.h"
#include "mongo/stdx/memory.h"
namespace mongo {
Status initializeGlobalShardingStateForMongod(OperationContext* opCtx,
const ConnectionString& configCS,
StringData distLockProcessId) {
auto targeterFactory = stdx::make_unique<RemoteCommandTargeterFactoryImpl>();
auto targeterFactoryPtr = targeterFactory.get();
ShardFactory::BuilderCallable setBuilder =
[targeterFactoryPtr](const ShardId& shardId, const ConnectionString& connStr) {
return stdx::make_unique<ShardRemote>(
shardId, connStr, targeterFactoryPtr->create(connStr));
};
ShardFactory::BuilderCallable masterBuilder =
[targeterFactoryPtr](const ShardId& shardId, const ConnectionString& connStr) {
return stdx::make_unique<ShardRemote>(
shardId, connStr, targeterFactoryPtr->create(connStr));
};
ShardFactory::BuilderCallable localBuilder = [](const ShardId& shardId,
const ConnectionString& connStr) {
return stdx::make_unique<ShardLocal>(shardId);
};
ShardFactory::BuildersMap buildersMap{
{ConnectionString::SET, std::move(setBuilder)},
{ConnectionString::MASTER, std::move(masterBuilder)},
{ConnectionString::LOCAL, std::move(localBuilder)},
};
auto shardFactory =
stdx::make_unique<ShardFactory>(std::move(buildersMap), std::move(targeterFactory));
if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
if (storageGlobalParams.readOnly) {
CatalogCacheLoader::set(opCtx->getServiceContext(),
stdx::make_unique<ReadOnlyCatalogCacheLoader>());
} else {
CatalogCacheLoader::set(opCtx->getServiceContext(),
stdx::make_unique<ShardServerCatalogCacheLoader>(
stdx::make_unique<ConfigServerCatalogCacheLoader>()));
}
} else {
CatalogCacheLoader::set(opCtx->getServiceContext(),
stdx::make_unique<ConfigServerCatalogCacheLoader>());
}
return initializeGlobalShardingState(
opCtx,
configCS,
distLockProcessId,
std::move(shardFactory),
stdx::make_unique<CatalogCache>(CatalogCacheLoader::get(opCtx)),
[opCtx] {
auto hookList = stdx::make_unique<rpc::EgressMetadataHookList>();
hookList->addHook(
stdx::make_unique<rpc::LogicalTimeMetadataHook>(opCtx->getServiceContext()));
hookList->addHook(stdx::make_unique<rpc::ShardingEgressMetadataHookForMongod>(
opCtx->getServiceContext()));
return hookList;
});
}
} // namespace mongo
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