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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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl
#include "mongo/platform/basic.h"
#include "mongo/db/mongod_main.h"
#include <boost/filesystem/operations.hpp>
#include <boost/optional.hpp>
#include <fstream>
#include <iostream>
#include <limits>
#include <memory>
#include <signal.h>
#include <string>
#include "mongo/base/init.h"
#include "mongo/base/initializer.h"
#include "mongo/base/status.h"
#include "mongo/client/global_conn_pool.h"
#include "mongo/client/replica_set_monitor.h"
#include "mongo/config.h"
#include "mongo/db/audit.h"
#include "mongo/db/auth/auth_op_observer.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/sasl_options.h"
#include "mongo/db/catalog/collection.h"
#include "mongo/db/catalog/collection_catalog.h"
#include "mongo/db/catalog/collection_impl.h"
#include "mongo/db/catalog/create_collection.h"
#include "mongo/db/catalog/database.h"
#include "mongo/db/catalog/database_holder_impl.h"
#include "mongo/db/catalog/health_log.h"
#include "mongo/db/catalog/index_catalog.h"
#include "mongo/db/catalog/index_key_validate.h"
#include "mongo/db/client.h"
#include "mongo/db/client_metadata_propagation_egress_hook.h"
#include "mongo/db/clientcursor.h"
#include "mongo/db/commands/feature_compatibility_version.h"
#include "mongo/db/commands/feature_compatibility_version_gen.h"
#include "mongo/db/commands/shutdown.h"
#include "mongo/db/commands/test_commands.h"
#include "mongo/db/commands/test_commands_enabled.h"
#include "mongo/db/concurrency/d_concurrency.h"
#include "mongo/db/concurrency/flow_control_ticketholder.h"
#include "mongo/db/concurrency/lock_state.h"
#include "mongo/db/concurrency/replication_state_transition_lock_guard.h"
#include "mongo/db/concurrency/write_conflict_exception.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/dbhelpers.h"
#include "mongo/db/dbmessage.h"
#include "mongo/db/exec/working_set_common.h"
#include "mongo/db/fcv_op_observer.h"
#include "mongo/db/free_mon/free_mon_mongod.h"
#include "mongo/db/ftdc/ftdc_mongod.h"
#include "mongo/db/ftdc/util.h"
#include "mongo/db/global_settings.h"
#include "mongo/db/index/index_access_method_factory_impl.h"
#include "mongo/db/index_builds_coordinator_mongod.h"
#include "mongo/db/index_names.h"
#include "mongo/db/initialize_server_global_state.h"
#include "mongo/db/initialize_server_security_state.h"
#include "mongo/db/initialize_snmp.h"
#include "mongo/db/introspect.h"
#include "mongo/db/json.h"
#include "mongo/db/keys_collection_client_direct.h"
#include "mongo/db/keys_collection_client_sharded.h"
#include "mongo/db/keys_collection_manager.h"
#include "mongo/db/kill_sessions.h"
#include "mongo/db/kill_sessions_local.h"
#include "mongo/db/log_process_details.h"
#include "mongo/db/logical_session_cache.h"
#include "mongo/db/logical_session_cache_factory_mongod.h"
#include "mongo/db/logical_time_validator.h"
#include "mongo/db/mirror_maestro.h"
#include "mongo/db/mongod_options.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/op_observer_impl.h"
#include "mongo/db/op_observer_registry.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/periodic_runner_job_abort_expired_transactions.h"
#include "mongo/db/pipeline/process_interface/replica_set_node_process_interface.h"
#include "mongo/db/query/internal_plans.h"
#include "mongo/db/read_write_concern_defaults_cache_lookup_mongod.h"
#include "mongo/db/repl/drop_pending_collection_reaper.h"
#include "mongo/db/repl/oplog.h"
#include "mongo/db/repl/primary_only_service.h"
#include "mongo/db/repl/primary_only_service_op_observer.h"
#include "mongo/db/repl/repl_settings.h"
#include "mongo/db/repl/replica_set_aware_service.h"
#include "mongo/db/repl/replication_consistency_markers_impl.h"
#include "mongo/db/repl/replication_coordinator.h"
#include "mongo/db/repl/replication_coordinator_external_state_impl.h"
#include "mongo/db/repl/replication_coordinator_impl.h"
#include "mongo/db/repl/replication_coordinator_impl_gen.h"
#include "mongo/db/repl/replication_process.h"
#include "mongo/db/repl/replication_recovery.h"
#include "mongo/db/repl/storage_interface_impl.h"
#include "mongo/db/repl/tenant_migration_donor_op_observer.h"
#include "mongo/db/repl/tenant_migration_donor_service.h"
#include "mongo/db/repl/tenant_migration_recipient_op_observer.h"
#include "mongo/db/repl/tenant_migration_recipient_service.h"
#include "mongo/db/repl/topology_coordinator.h"
#include "mongo/db/repl/wait_for_majority_service.h"
#include "mongo/db/repl_set_member_in_standalone_mode.h"
#include "mongo/db/s/collection_sharding_state_factory_shard.h"
#include "mongo/db/s/collection_sharding_state_factory_standalone.h"
#include "mongo/db/s/config/sharding_catalog_manager.h"
#include "mongo/db/s/config_server_op_observer.h"
#include "mongo/db/s/migration_util.h"
#include "mongo/db/s/op_observer_sharding_impl.h"
#include "mongo/db/s/periodic_sharded_index_consistency_checker.h"
#include "mongo/db/s/rename_collection_participant_service.h"
#include "mongo/db/s/resharding/resharding_coordinator_service.h"
#include "mongo/db/s/resharding/resharding_donor_service.h"
#include "mongo/db/s/resharding/resharding_op_observer.h"
#include "mongo/db/s/resharding/resharding_recipient_service.h"
#include "mongo/db/s/shard_server_op_observer.h"
#include "mongo/db/s/sharding_ddl_coordinator_service.h"
#include "mongo/db/s/sharding_initialization_mongod.h"
#include "mongo/db/s/sharding_state_recovery.h"
#include "mongo/db/s/transaction_coordinator_service.h"
#include "mongo/db/server_options.h"
#include "mongo/db/service_context.h"
#include "mongo/db/service_entry_point_mongod.h"
#include "mongo/db/session_killer.h"
#include "mongo/db/startup_recovery.h"
#include "mongo/db/startup_warnings_mongod.h"
#include "mongo/db/stats/counters.h"
#include "mongo/db/storage/backup_cursor_hooks.h"
#include "mongo/db/storage/control/storage_control.h"
#include "mongo/db/storage/durable_history_pin.h"
#include "mongo/db/storage/encryption_hooks.h"
#include "mongo/db/storage/flow_control.h"
#include "mongo/db/storage/flow_control_parameters_gen.h"
#include "mongo/db/storage/storage_engine.h"
#include "mongo/db/storage/storage_engine_init.h"
#include "mongo/db/storage/storage_engine_lock_file.h"
#include "mongo/db/storage/storage_options.h"
#include "mongo/db/storage/storage_parameters_gen.h"
#include "mongo/db/system_index.h"
#include "mongo/db/transaction_participant.h"
#include "mongo/db/ttl.h"
#include "mongo/db/vector_clock_metadata_hook.h"
#include "mongo/db/wire_version.h"
#include "mongo/executor/network_connection_hook.h"
#include "mongo/executor/network_interface_factory.h"
#include "mongo/executor/network_interface_thread_pool.h"
#include "mongo/executor/thread_pool_task_executor.h"
#include "mongo/logv2/log.h"
#include "mongo/platform/process_id.h"
#include "mongo/platform/random.h"
#include "mongo/rpc/metadata/egress_metadata_hook_list.h"
#include "mongo/s/client/shard_registry.h"
#include "mongo/s/grid.h"
#include "mongo/scripting/dbdirectclient_factory.h"
#include "mongo/scripting/engine.h"
#include "mongo/stdx/future.h"
#include "mongo/stdx/thread.h"
#include "mongo/transport/transport_layer_manager.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/background.h"
#include "mongo/util/cmdline_utils/censor_cmdline.h"
#include "mongo/util/concurrency/idle_thread_block.h"
#include "mongo/util/concurrency/thread_name.h"
#include "mongo/util/exception_filter_win32.h"
#include "mongo/util/exit.h"
#include "mongo/util/fail_point.h"
#include "mongo/util/fast_clock_source_factory.h"
#include "mongo/util/latch_analyzer.h"
#include "mongo/util/net/ocsp/ocsp_manager.h"
#include "mongo/util/net/private/ssl_expiration.h"
#include "mongo/util/net/socket_utils.h"
#include "mongo/util/net/ssl_manager.h"
#include "mongo/util/ntservice.h"
#include "mongo/util/options_parser/startup_options.h"
#include "mongo/util/periodic_runner.h"
#include "mongo/util/periodic_runner_factory.h"
#include "mongo/util/quick_exit.h"
#include "mongo/util/scopeguard.h"
#include "mongo/util/sequence_util.h"
#include "mongo/util/signal_handlers.h"
#include "mongo/util/stacktrace.h"
#include "mongo/util/text.h"
#include "mongo/util/time_support.h"
#include "mongo/util/version.h"
#include "mongo/watchdog/watchdog_mongod.h"
#ifdef MONGO_CONFIG_SSL
#include "mongo/util/net/ssl_options.h"
#endif
#if !defined(_WIN32)
#include <sys/file.h>
#endif
namespace mongo {
using logv2::LogComponent;
using std::endl;
namespace {
MONGO_FAIL_POINT_DEFINE(hangDuringQuiesceMode);
MONGO_FAIL_POINT_DEFINE(pauseWhileKillingOperationsAtShutdown);
MONGO_FAIL_POINT_DEFINE(hangBeforeShutdown);
const NamespaceString startupLogCollectionName("local.startup_log");
#ifdef _WIN32
const ntservice::NtServiceDefaultStrings defaultServiceStrings = {
L"MongoDB", L"MongoDB", L"MongoDB Server"};
#endif
void logStartup(OperationContext* opCtx) {
BSONObjBuilder toLog;
std::stringstream id;
id << getHostNameCached() << "-" << jsTime().asInt64();
toLog.append("_id", id.str());
toLog.append("hostname", getHostNameCached());
toLog.appendTimeT("startTime", time(nullptr));
toLog.append("startTimeLocal", dateToCtimeString(Date_t::now()));
toLog.append("cmdLine", serverGlobalParams.parsedOpts);
toLog.append("pid", ProcessId::getCurrent().asLongLong());
BSONObjBuilder buildinfo(toLog.subobjStart("buildinfo"));
VersionInfoInterface::instance().appendBuildInfo(&buildinfo);
appendStorageEngineList(opCtx->getServiceContext(), &buildinfo);
buildinfo.doneFast();
BSONObj o = toLog.obj();
Lock::GlobalWrite lk(opCtx);
AutoGetDb autoDb(opCtx, startupLogCollectionName.db(), mongo::MODE_X);
auto db = autoDb.ensureDbExists();
CollectionPtr collection =
CollectionCatalog::get(opCtx)->lookupCollectionByNamespace(opCtx, startupLogCollectionName);
WriteUnitOfWork wunit(opCtx);
if (!collection) {
BSONObj options = BSON("capped" << true << "size" << 10 * 1024 * 1024);
repl::UnreplicatedWritesBlock uwb(opCtx);
CollectionOptions collectionOptions = uassertStatusOK(
CollectionOptions::parse(options, CollectionOptions::ParseKind::parseForCommand));
uassertStatusOK(db->userCreateNS(opCtx, startupLogCollectionName, collectionOptions));
collection = CollectionCatalog::get(opCtx)->lookupCollectionByNamespace(
opCtx, startupLogCollectionName);
}
invariant(collection);
OpDebug* const nullOpDebug = nullptr;
uassertStatusOK(collection->insertDocument(opCtx, InsertStatement(o), nullOpDebug, false));
wunit.commit();
}
MONGO_INITIALIZER_WITH_PREREQUISITES(WireSpec, ("EndStartupOptionHandling"))(InitializerContext*) {
// The featureCompatibilityVersion behavior defaults to the downgrade behavior while the
// in-memory version is unset.
WireSpec::Specification spec;
spec.incomingInternalClient.minWireVersion = RELEASE_2_4_AND_BEFORE;
spec.incomingInternalClient.maxWireVersion = LATEST_WIRE_VERSION;
spec.outgoing.minWireVersion = RELEASE_2_4_AND_BEFORE;
spec.outgoing.maxWireVersion = LATEST_WIRE_VERSION;
spec.isInternalClient = true;
WireSpec::instance().initialize(std::move(spec));
}
void initializeCommandHooks(ServiceContext* serviceContext) {
class MongodCommandInvocationHooks final : public CommandInvocationHooks {
void onBeforeRun(OperationContext*, const OpMsgRequest&, CommandInvocation*) {}
void onAfterRun(OperationContext* opCtx, const OpMsgRequest&, CommandInvocation*) {
MirrorMaestro::tryMirrorRequest(opCtx);
}
};
MirrorMaestro::init(serviceContext);
CommandInvocationHooks::set(serviceContext, std::make_shared<MongodCommandInvocationHooks>());
}
void registerPrimaryOnlyServices(ServiceContext* serviceContext) {
auto registry = repl::PrimaryOnlyServiceRegistry::get(serviceContext);
std::vector<std::unique_ptr<repl::PrimaryOnlyService>> services;
if (serverGlobalParams.clusterRole == ClusterRole::ConfigServer) {
services.push_back(std::make_unique<ReshardingCoordinatorService>(serviceContext));
} else if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
services.push_back(std::make_unique<RenameCollectionParticipantService>(serviceContext));
services.push_back(std::make_unique<ShardingDDLCoordinatorService>(serviceContext));
services.push_back(std::make_unique<ReshardingDonorService>(serviceContext));
services.push_back(std::make_unique<ReshardingRecipientService>(serviceContext));
} else {
// Tenant migrations are not supported in sharded clusters.
services.push_back(std::make_unique<TenantMigrationDonorService>(serviceContext));
services.push_back(std::make_unique<repl::TenantMigrationRecipientService>(serviceContext));
}
for (auto& service : services) {
registry->registerService(std::move(service));
}
}
MONGO_FAIL_POINT_DEFINE(shutdownAtStartup);
ExitCode _initAndListen(ServiceContext* serviceContext, int listenPort) {
Client::initThread("initandlisten");
serviceContext->setFastClockSource(FastClockSourceFactory::create(Milliseconds(10)));
DBDirectClientFactory::get(serviceContext).registerImplementation([](OperationContext* opCtx) {
return std::unique_ptr<DBClientBase>(new DBDirectClient(opCtx));
});
const repl::ReplSettings& replSettings =
repl::ReplicationCoordinator::get(serviceContext)->getSettings();
{
ProcessId pid = ProcessId::getCurrent();
const bool is32bit = sizeof(int*) == 4;
LOGV2(4615611,
"MongoDB starting : pid={pid} port={port} dbpath={dbPath} {architecture} host={host}",
"MongoDB starting",
"pid"_attr = pid.toNative(),
"port"_attr = serverGlobalParams.port,
"dbPath"_attr = boost::filesystem::path(storageGlobalParams.dbpath).generic_string(),
"architecture"_attr = (is32bit ? "32-bit" : "64-bit"),
"host"_attr = getHostNameCached());
}
if (kDebugBuild)
LOGV2(20533, "DEBUG build (which is slower)");
#if defined(_WIN32)
VersionInfoInterface::instance().logTargetMinOS();
#endif
logProcessDetails(nullptr);
audit::logStartupOptions(Client::getCurrent(), serverGlobalParams.parsedOpts);
serviceContext->setServiceEntryPoint(std::make_unique<ServiceEntryPointMongod>(serviceContext));
// Set up the periodic runner for background job execution. This is required to be running
// before both the storage engine or the transport layer are initialized.
auto runner = makePeriodicRunner(serviceContext);
serviceContext->setPeriodicRunner(std::move(runner));
#ifdef MONGO_CONFIG_SSL
OCSPManager::start(serviceContext);
CertificateExpirationMonitor::get()->start(serviceContext);
#endif
if (!storageGlobalParams.repair) {
auto tl =
transport::TransportLayerManager::createWithConfig(&serverGlobalParams, serviceContext);
auto res = tl->setup();
if (!res.isOK()) {
LOGV2_ERROR(20568,
"Error setting up listener: {error}",
"Error setting up listener",
"error"_attr = res);
return EXIT_NET_ERROR;
}
serviceContext->setTransportLayer(std::move(tl));
}
FlowControl::set(serviceContext,
std::make_unique<FlowControl>(
serviceContext, repl::ReplicationCoordinator::get(serviceContext)));
// Creating the operation context before initializing the storage engine allows the storage
// engine initialization to make use of the lock manager. As the storage engine is not yet
// initialized, a noop recovery unit is used until the initialization is complete.
auto startupOpCtx = serviceContext->makeOperationContext(&cc());
auto lastStorageEngineShutdownState =
initializeStorageEngine(startupOpCtx.get(), StorageEngineInitFlags::kNone);
StorageControl::startStorageControls(serviceContext);
#ifdef MONGO_CONFIG_WIREDTIGER_ENABLED
if (EncryptionHooks::get(serviceContext)->restartRequired()) {
exitCleanly(EXIT_CLEAN);
}
#endif
// Warn if we detect configurations for multiple registered storage engines in the same
// configuration file/environment.
if (serverGlobalParams.parsedOpts.hasField("storage")) {
BSONElement storageElement = serverGlobalParams.parsedOpts.getField("storage");
invariant(storageElement.isABSONObj());
for (auto&& e : storageElement.Obj()) {
// Ignore if field name under "storage" matches current storage engine.
if (storageGlobalParams.engine == e.fieldName()) {
continue;
}
// Warn if field name matches non-active registered storage engine.
if (isRegisteredStorageEngine(serviceContext, e.fieldName())) {
LOGV2_WARNING(20566,
"Detected configuration for non-active storage engine {fieldName} "
"when current storage engine is {storageEngine}",
"Detected configuration for non-active storage engine",
"fieldName"_attr = e.fieldName(),
"storageEngine"_attr = storageGlobalParams.engine);
}
}
}
// Disallow running a storage engine that doesn't support capped collections with --profile
if (!serviceContext->getStorageEngine()->supportsCappedCollections() &&
serverGlobalParams.defaultProfile != 0) {
LOGV2_ERROR(20534,
"Running {storageEngine} with profiling is not supported. Make sure you "
"are not using --profile",
"Running the selected storage engine with profiling is not supported",
"storageEngine"_attr = storageGlobalParams.engine);
exitCleanly(EXIT_BADOPTIONS);
}
// Disallow running WiredTiger with --nojournal in a replica set
if (storageGlobalParams.engine == "wiredTiger" && !storageGlobalParams.dur &&
replSettings.usingReplSets()) {
LOGV2_ERROR(
20535,
"Running wiredTiger without journaling in a replica set is not supported. Make sure "
"you are not using --nojournal and that storage.journal.enabled is not set to "
"'false'");
exitCleanly(EXIT_BADOPTIONS);
}
logMongodStartupWarnings(storageGlobalParams, serverGlobalParams, serviceContext);
{
std::stringstream ss;
ss << endl;
ss << "*********************************************************************" << endl;
ss << " ERROR: dbpath (" << storageGlobalParams.dbpath << ") does not exist." << endl;
ss << " Create this directory or give existing directory in --dbpath." << endl;
ss << " See http://dochub.mongodb.org/core/startingandstoppingmongo" << endl;
ss << "*********************************************************************" << endl;
uassert(10296, ss.str().c_str(), boost::filesystem::exists(storageGlobalParams.dbpath));
}
initializeSNMP();
startWatchdog(serviceContext);
if (mongodGlobalParams.scriptingEnabled) {
ScriptEngine::setup();
}
try {
startup_recovery::repairAndRecoverDatabases(startupOpCtx.get(),
lastStorageEngineShutdownState);
} catch (const ExceptionFor<ErrorCodes::MustDowngrade>& error) {
LOGV2_FATAL_OPTIONS(
20573,
logv2::LogOptions(logv2::LogComponent::kControl, logv2::FatalMode::kContinue),
"** IMPORTANT: {error}",
"Wrong mongod version",
"error"_attr = error.toStatus().reason());
exitCleanly(EXIT_NEED_DOWNGRADE);
}
// Ensure FCV document exists and is initialized in-memory. Fatally asserts if there is an
// error.
FeatureCompatibilityVersion::fassertInitializedAfterStartup(startupOpCtx.get());
if (gFlowControlEnabled.load()) {
LOGV2(20536, "Flow Control is enabled on this deployment");
}
{
Lock::GlobalWrite globalLk(startupOpCtx.get());
DurableHistoryRegistry::get(serviceContext)->reconcilePins(startupOpCtx.get());
}
// Notify the storage engine that startup is completed before repair exits below, as repair sets
// the upgrade flag to true.
serviceContext->getStorageEngine()->notifyStartupComplete();
if (storageGlobalParams.upgrade) {
LOGV2(20537, "Finished checking dbs");
exitCleanly(EXIT_CLEAN);
}
// Start up health log writer thread.
HealthLog::get(startupOpCtx.get()).startup();
auto const globalAuthzManager = AuthorizationManager::get(serviceContext);
uassertStatusOK(globalAuthzManager->initialize(startupOpCtx.get()));
if (audit::initializeManager) {
audit::initializeManager(startupOpCtx.get());
}
// This is for security on certain platforms (nonce generation)
srand((unsigned)(curTimeMicros64()) ^ (unsigned(uintptr_t(&startupOpCtx))));
if (globalAuthzManager->shouldValidateAuthSchemaOnStartup()) {
Status status = verifySystemIndexes(startupOpCtx.get());
if (!status.isOK()) {
LOGV2_WARNING(20538,
"Unable to verify system indexes: {error}",
"Unable to verify system indexes",
"error"_attr = redact(status));
if (status == ErrorCodes::AuthSchemaIncompatible) {
exitCleanly(EXIT_NEED_UPGRADE);
} else if (status == ErrorCodes::NotWritablePrimary) {
// Try creating the indexes if we become primary. If we do not become primary,
// the master will create the indexes and we will replicate them.
} else {
quickExit(EXIT_FAILURE);
}
}
// SERVER-14090: Verify that auth schema version is schemaVersion26Final.
int foundSchemaVersion;
status =
globalAuthzManager->getAuthorizationVersion(startupOpCtx.get(), &foundSchemaVersion);
if (!status.isOK()) {
LOGV2_ERROR(
20539,
"Auth schema version is incompatible: User and role management commands require "
"auth data to have at least schema version {minSchemaVersion} but startup could "
"not verify schema version: {error}",
"Failed to verify auth schema version",
"minSchemaVersion"_attr = AuthorizationManager::schemaVersion26Final,
"error"_attr = status);
LOGV2(20540,
"To manually repair the 'authSchema' document in the admin.system.version "
"collection, start up with --setParameter "
"startupAuthSchemaValidation=false to disable validation");
exitCleanly(EXIT_NEED_UPGRADE);
}
if (foundSchemaVersion <= AuthorizationManager::schemaVersion26Final) {
LOGV2_ERROR(
20541,
"This server is using MONGODB-CR, an authentication mechanism which has been "
"removed from MongoDB 4.0. In order to upgrade the auth schema, first downgrade "
"MongoDB binaries to version 3.6 and then run the authSchemaUpgrade command. See "
"http://dochub.mongodb.org/core/3.0-upgrade-to-scram-sha-1");
exitCleanly(EXIT_NEED_UPGRADE);
}
} else if (globalAuthzManager->isAuthEnabled()) {
LOGV2_ERROR(20569, "Auth must be disabled when starting without auth schema validation");
exitCleanly(EXIT_BADOPTIONS);
} else {
// If authSchemaValidation is disabled and server is running without auth,
// warn the user and continue startup without authSchema metadata checks.
LOGV2_WARNING_OPTIONS(
20543,
{logv2::LogTag::kStartupWarnings},
"** WARNING: Startup auth schema validation checks are disabled for the database");
LOGV2_WARNING_OPTIONS(
20544,
{logv2::LogTag::kStartupWarnings},
"** This mode should only be used to manually repair corrupted auth data");
}
WaitForMajorityService::get(serviceContext).startup(serviceContext);
// This function may take the global lock.
auto shardingInitialized = ShardingInitializationMongoD::get(startupOpCtx.get())
->initializeShardingAwarenessIfNeeded(startupOpCtx.get());
if (shardingInitialized) {
auto status = waitForShardRegistryReload(startupOpCtx.get());
if (!status.isOK()) {
LOGV2(20545,
"Error loading shard registry at startup {error}",
"Error loading shard registry at startup",
"error"_attr = redact(status));
}
}
try {
if (serverGlobalParams.clusterRole != ClusterRole::ShardServer &&
replSettings.usingReplSets()) {
ReadWriteConcernDefaults::get(startupOpCtx.get()->getServiceContext())
.refreshIfNecessary(startupOpCtx.get());
}
} catch (const DBException& ex) {
LOGV2_WARNING(20567,
"Error loading read and write concern defaults at startup",
"error"_attr = redact(ex));
}
readWriteConcernDefaultsMongodStartupChecks(startupOpCtx.get());
auto storageEngine = serviceContext->getStorageEngine();
invariant(storageEngine);
BackupCursorHooks::initialize(serviceContext, storageEngine);
// Perform replication recovery for queryable backup mode if needed.
if (storageGlobalParams.readOnly) {
uassert(ErrorCodes::BadValue,
str::stream() << "Cannot specify both queryableBackupMode and "
<< "recoverFromOplogAsStandalone at the same time",
!replSettings.shouldRecoverFromOplogAsStandalone());
uassert(
ErrorCodes::BadValue,
str::stream()
<< "Cannot take an unstable checkpoint on shutdown while using queryableBackupMode",
!gTakeUnstableCheckpointOnShutdown);
uassert(5576603,
str::stream() << "Cannot specify both queryableBackupMode and "
<< "startupRecoveryForRestore at the same time",
!repl::startupRecoveryForRestore);
auto replCoord = repl::ReplicationCoordinator::get(startupOpCtx.get());
invariant(replCoord);
uassert(ErrorCodes::BadValue,
str::stream() << "Cannot use queryableBackupMode in a replica set",
!replCoord->isReplEnabled());
replCoord->startup(startupOpCtx.get(), lastStorageEngineShutdownState);
}
startMongoDFTDC();
if (!storageGlobalParams.readOnly) {
if (storageEngine->supportsCappedCollections()) {
logStartup(startupOpCtx.get());
}
startFreeMonitoring(serviceContext);
auto replCoord = repl::ReplicationCoordinator::get(startupOpCtx.get());
invariant(replCoord);
if (replCoord->isReplEnabled()) {
storageEngine->setOldestActiveTransactionTimestampCallback(
TransactionParticipant::getOldestActiveTimestamp);
}
if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
// Note: For replica sets, ShardingStateRecovery happens on transition to primary.
if (!replCoord->isReplEnabled()) {
if (ShardingState::get(startupOpCtx.get())->enabled()) {
uassertStatusOK(ShardingStateRecovery::recover(startupOpCtx.get()));
}
}
} else if (serverGlobalParams.clusterRole == ClusterRole::ConfigServer) {
initializeGlobalShardingStateForMongoD(
startupOpCtx.get(), ShardId::kConfigServerId, ConnectionString::forLocal());
ShardingCatalogManager::create(
startupOpCtx->getServiceContext(),
makeShardingTaskExecutor(executor::makeNetworkInterface("AddShard-TaskExecutor")));
Grid::get(startupOpCtx.get())->setShardingInitialized();
} else if (replSettings.usingReplSets()) { // standalone replica set
auto keysCollectionClient = std::make_unique<KeysCollectionClientDirect>();
auto keyManager = std::make_shared<KeysCollectionManager>(
KeysCollectionManager::kKeyManagerPurposeString,
std::move(keysCollectionClient),
Seconds(KeysRotationIntervalSec));
keyManager->startMonitoring(startupOpCtx->getServiceContext());
LogicalTimeValidator::set(startupOpCtx->getServiceContext(),
std::make_unique<LogicalTimeValidator>(keyManager));
ReplicaSetNodeProcessInterface::getReplicaSetNodeExecutor(serviceContext)->startup();
}
replCoord->startup(startupOpCtx.get(), lastStorageEngineShutdownState);
if (getReplSetMemberInStandaloneMode(serviceContext)) {
LOGV2_WARNING_OPTIONS(
20547,
{logv2::LogTag::kStartupWarnings},
"Document(s) exist in 'system.replset', but started without --replSet. Database "
"contents may appear inconsistent with the writes that were visible when this node "
"was running as part of a replica set. Restart with --replSet unless you are doing "
"maintenance and no other clients are connected. The TTL collection monitor will "
"not start because of this. For more info see "
"http://dochub.mongodb.org/core/ttlcollections");
} else {
startTTLMonitor(serviceContext);
}
if (replSettings.usingReplSets() || !gInternalValidateFeaturesAsPrimary) {
serverGlobalParams.validateFeaturesAsPrimary.store(false);
}
}
startClientCursorMonitor();
PeriodicTask::startRunningPeriodicTasks();
SessionKiller::set(serviceContext,
std::make_shared<SessionKiller>(serviceContext, killSessionsLocal));
// Start up a background task to periodically check for and kill expired transactions; and a
// background task to periodically check for and decrease cache pressure by decreasing the
// target size setting for the storage engine's window of available snapshots.
//
// Only do this on storage engines supporting snapshot reads, which hold resources we wish to
// release periodically in order to avoid storage cache pressure build up.
if (storageEngine->supportsReadConcernSnapshot()) {
try {
PeriodicThreadToAbortExpiredTransactions::get(serviceContext)->start();
} catch (ExceptionFor<ErrorCodes::PeriodicJobIsStopped>&) {
LOGV2_WARNING(4747501, "Not starting periodic jobs as shutdown is in progress");
// Shutdown has already started before initialization is complete. Wait for the
// shutdown task to complete and return.
MONGO_IDLE_THREAD_BLOCK;
return waitForShutdown();
}
}
// Set up the logical session cache
LogicalSessionCacheServer kind = LogicalSessionCacheServer::kStandalone;
if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
kind = LogicalSessionCacheServer::kSharded;
} else if (serverGlobalParams.clusterRole == ClusterRole::ConfigServer) {
kind = LogicalSessionCacheServer::kConfigServer;
} else if (replSettings.usingReplSets()) {
kind = LogicalSessionCacheServer::kReplicaSet;
}
LogicalSessionCache::set(serviceContext, makeLogicalSessionCacheD(kind));
initializeCommandHooks(serviceContext);
// MessageServer::run will return when exit code closes its socket and we don't need the
// operation context anymore
startupOpCtx.reset();
auto start = serviceContext->getServiceEntryPoint()->start();
if (!start.isOK()) {
LOGV2_ERROR(20571,
"Error starting service entry point: {error}",
"Error starting service entry point",
"error"_attr = start);
return EXIT_NET_ERROR;
}
if (!storageGlobalParams.repair) {
start = serviceContext->getTransportLayer()->start();
if (!start.isOK()) {
LOGV2_ERROR(20572,
"Error starting listener: {error}",
"Error starting listener",
"error"_attr = start);
return EXIT_NET_ERROR;
}
}
serviceContext->notifyStartupComplete();
#ifndef _WIN32
mongo::signalForkSuccess();
#else
if (ntservice::shouldStartService()) {
ntservice::reportStatus(SERVICE_RUNNING);
LOGV2(20555, "Service running");
}
#endif
if (MONGO_unlikely(shutdownAtStartup.shouldFail())) {
LOGV2(20556, "Starting clean exit via failpoint");
exitCleanly(EXIT_CLEAN);
}
MONGO_IDLE_THREAD_BLOCK;
return waitForShutdown();
}
ExitCode initAndListen(ServiceContext* service, int listenPort) {
try {
return _initAndListen(service, listenPort);
} catch (DBException& e) {
LOGV2_ERROR(20557,
"Exception in initAndListen: {error}, terminating",
"DBException in initAndListen, terminating",
"error"_attr = e.toString());
return EXIT_UNCAUGHT;
} catch (std::exception& e) {
LOGV2_ERROR(20558,
"Exception in initAndListen std::exception: {error}, terminating",
"std::exception in initAndListen, terminating",
"error"_attr = e.what());
return EXIT_UNCAUGHT;
} catch (int& n) {
LOGV2_ERROR(20559,
"Exception in initAndListen int: {reason}, terminating",
"Exception in initAndListen, terminating",
"reason"_attr = n);
return EXIT_UNCAUGHT;
} catch (...) {
LOGV2_ERROR(20560, "Exception in initAndListen, terminating");
return EXIT_UNCAUGHT;
}
}
#if defined(_WIN32)
ExitCode initService() {
return initAndListen(getGlobalServiceContext(), serverGlobalParams.port);
}
#endif
MONGO_INITIALIZER_GENERAL(ForkServer, ("EndStartupOptionHandling"), ("default"))
(InitializerContext* context) {
mongo::forkServerOrDie();
}
/*
* This function should contain the startup "actions" that we take based on the startup config.
* It is intended to separate the actions from "storage" and "validation" of our startup
* configuration.
*/
void startupConfigActions(const std::vector<std::string>& args) {
// The "command" option is deprecated. For backward compatibility, still support the "run"
// and "dbppath" command. The "run" command is the same as just running mongod, so just
// falls through.
if (moe::startupOptionsParsed.count("command")) {
const auto command = moe::startupOptionsParsed["command"].as<std::vector<std::string>>();
if (command[0].compare("dbpath") == 0) {
std::cout << storageGlobalParams.dbpath << endl;
quickExit(EXIT_SUCCESS);
}
if (command[0].compare("run") != 0) {
std::cout << "Invalid command: " << command[0] << endl;
printMongodHelp(moe::startupOptions);
quickExit(EXIT_FAILURE);
}
if (command.size() > 1) {
std::cout << "Too many parameters to 'run' command" << endl;
printMongodHelp(moe::startupOptions);
quickExit(EXIT_FAILURE);
}
}
#ifdef _WIN32
ntservice::configureService(initService,
moe::startupOptionsParsed,
defaultServiceStrings,
std::vector<std::string>(),
args);
#endif // _WIN32
#ifdef __linux__
if (moe::startupOptionsParsed.count("shutdown") &&
moe::startupOptionsParsed["shutdown"].as<bool>() == true) {
bool failed = false;
std::string name =
(boost::filesystem::path(storageGlobalParams.dbpath) / kLockFileBasename.toString())
.string();
if (!boost::filesystem::exists(name) || boost::filesystem::file_size(name) == 0)
failed = true;
pid_t pid;
std::string procPath;
if (!failed) {
try {
std::ifstream f(name.c_str());
f >> pid;
procPath = (str::stream() << "/proc/" << pid);
if (!boost::filesystem::exists(procPath))
failed = true;
} catch (const std::exception& e) {
std::cerr << "Error reading pid from lock file [" << name << "]: " << e.what()
<< endl;
failed = true;
}
}
if (failed) {
std::cerr << "There doesn't seem to be a server running with dbpath: "
<< storageGlobalParams.dbpath << std::endl;
quickExit(EXIT_FAILURE);
}
std::cout << "killing process with pid: " << pid << endl;
int ret = kill(pid, SIGTERM);
if (ret) {
int e = errno;
std::cerr << "failed to kill process: " << errnoWithDescription(e) << endl;
quickExit(EXIT_FAILURE);
}
while (boost::filesystem::exists(procPath)) {
sleepsecs(1);
}
quickExit(EXIT_SUCCESS);
}
#endif
}
void setUpCollectionShardingState(ServiceContext* serviceContext) {
if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
CollectionShardingStateFactory::set(
serviceContext, std::make_unique<CollectionShardingStateFactoryShard>(serviceContext));
} else {
CollectionShardingStateFactory::set(
serviceContext,
std::make_unique<CollectionShardingStateFactoryStandalone>(serviceContext));
}
}
void setUpCatalog(ServiceContext* serviceContext) {
DatabaseHolder::set(serviceContext, std::make_unique<DatabaseHolderImpl>());
IndexAccessMethodFactory::set(serviceContext, std::make_unique<IndexAccessMethodFactoryImpl>());
Collection::Factory::set(serviceContext, std::make_unique<CollectionImpl::FactoryImpl>());
}
auto makeReplicaSetNodeExecutor(ServiceContext* serviceContext) {
ThreadPool::Options tpOptions;
tpOptions.threadNamePrefix = "ReplNodeDbWorker-";
tpOptions.poolName = "ReplNodeDbWorkerThreadPool";
tpOptions.maxThreads = ThreadPool::Options::kUnlimited;
tpOptions.onCreateThread = [](const std::string& threadName) {
Client::initThread(threadName.c_str());
};
auto hookList = std::make_unique<rpc::EgressMetadataHookList>();
hookList->addHook(std::make_unique<rpc::VectorClockMetadataHook>(serviceContext));
hookList->addHook(std::make_unique<rpc::ClientMetadataPropagationEgressHook>());
return std::make_unique<executor::ThreadPoolTaskExecutor>(
std::make_unique<ThreadPool>(tpOptions),
executor::makeNetworkInterface("ReplNodeDbWorkerNetwork", nullptr, std::move(hookList)));
}
auto makeReplicationExecutor(ServiceContext* serviceContext) {
ThreadPool::Options tpOptions;
tpOptions.threadNamePrefix = "ReplCoord-";
tpOptions.poolName = "ReplCoordThreadPool";
tpOptions.maxThreads = 50;
tpOptions.onCreateThread = [](const std::string& threadName) {
Client::initThread(threadName.c_str());
};
auto hookList = std::make_unique<rpc::EgressMetadataHookList>();
hookList->addHook(std::make_unique<rpc::VectorClockMetadataHook>(serviceContext));
return std::make_unique<executor::ThreadPoolTaskExecutor>(
std::make_unique<ThreadPool>(tpOptions),
executor::makeNetworkInterface("ReplNetwork", nullptr, std::move(hookList)));
}
void setUpReplication(ServiceContext* serviceContext) {
repl::StorageInterface::set(serviceContext, std::make_unique<repl::StorageInterfaceImpl>());
auto storageInterface = repl::StorageInterface::get(serviceContext);
auto consistencyMarkers =
std::make_unique<repl::ReplicationConsistencyMarkersImpl>(storageInterface);
auto recovery =
std::make_unique<repl::ReplicationRecoveryImpl>(storageInterface, consistencyMarkers.get());
repl::ReplicationProcess::set(
serviceContext,
std::make_unique<repl::ReplicationProcess>(
storageInterface, std::move(consistencyMarkers), std::move(recovery)));
auto replicationProcess = repl::ReplicationProcess::get(serviceContext);
repl::DropPendingCollectionReaper::set(
serviceContext, std::make_unique<repl::DropPendingCollectionReaper>(storageInterface));
auto dropPendingCollectionReaper = repl::DropPendingCollectionReaper::get(serviceContext);
repl::TopologyCoordinator::Options topoCoordOptions;
topoCoordOptions.maxSyncSourceLagSecs = Seconds(repl::maxSyncSourceLagSecs);
topoCoordOptions.clusterRole = serverGlobalParams.clusterRole;
auto replCoord = std::make_unique<repl::ReplicationCoordinatorImpl>(
serviceContext,
getGlobalReplSettings(),
std::make_unique<repl::ReplicationCoordinatorExternalStateImpl>(
serviceContext, dropPendingCollectionReaper, storageInterface, replicationProcess),
makeReplicationExecutor(serviceContext),
std::make_unique<repl::TopologyCoordinator>(topoCoordOptions),
replicationProcess,
storageInterface,
SecureRandom().nextInt64());
// Only create a ReplicaSetNodeExecutor if sharding is disabled and replication is enabled.
// Note that sharding sets up its own executors for scheduling work to remote nodes.
if (serverGlobalParams.clusterRole == ClusterRole::None && replCoord->isReplEnabled())
ReplicaSetNodeProcessInterface::setReplicaSetNodeExecutor(
serviceContext, makeReplicaSetNodeExecutor(serviceContext));
repl::ReplicationCoordinator::set(serviceContext, std::move(replCoord));
IndexBuildsCoordinator::set(serviceContext, std::make_unique<IndexBuildsCoordinatorMongod>());
// Register primary-only services here so that the services are started up when the replication
// coordinator starts up.
registerPrimaryOnlyServices(serviceContext);
}
void setUpObservers(ServiceContext* serviceContext) {
auto opObserverRegistry = std::make_unique<OpObserverRegistry>();
if (serverGlobalParams.clusterRole == ClusterRole::ShardServer) {
DurableHistoryRegistry::get(serviceContext)
->registerPin(std::make_unique<ReshardingHistoryHook>());
opObserverRegistry->addObserver(std::make_unique<OpObserverShardingImpl>());
opObserverRegistry->addObserver(std::make_unique<ShardServerOpObserver>());
opObserverRegistry->addObserver(std::make_unique<ReshardingOpObserver>());
} else if (serverGlobalParams.clusterRole == ClusterRole::ConfigServer) {
opObserverRegistry->addObserver(std::make_unique<OpObserverImpl>());
opObserverRegistry->addObserver(std::make_unique<ConfigServerOpObserver>());
opObserverRegistry->addObserver(std::make_unique<ReshardingOpObserver>());
} else {
opObserverRegistry->addObserver(std::make_unique<OpObserverImpl>());
// Tenant migrations are not supported in sharded clusters.
opObserverRegistry->addObserver(std::make_unique<repl::TenantMigrationDonorOpObserver>());
opObserverRegistry->addObserver(
std::make_unique<repl::TenantMigrationRecipientOpObserver>());
}
opObserverRegistry->addObserver(std::make_unique<AuthOpObserver>());
opObserverRegistry->addObserver(
std::make_unique<repl::PrimaryOnlyServiceOpObserver>(serviceContext));
opObserverRegistry->addObserver(std::make_unique<FcvOpObserver>());
setupFreeMonitoringOpObserver(opObserverRegistry.get());
if (audit::opObserverRegistrar) {
audit::opObserverRegistrar(opObserverRegistry.get());
}
serviceContext->setOpObserver(std::move(opObserverRegistry));
}
#ifdef MONGO_CONFIG_SSL
MONGO_INITIALIZER_GENERAL(setSSLManagerType, (), ("SSLManager"))
(InitializerContext* context) {
isSSLServer = true;
}
#endif
#if !defined(__has_feature)
#define __has_feature(x) 0
#endif
// NOTE: This function may be called at any time after registerShutdownTask is called below. It
// must not depend on the prior execution of mongo initializers or the existence of threads.
void shutdownTask(const ShutdownTaskArgs& shutdownArgs) {
// This client initiation pattern is only to be used here, with plans to eliminate this pattern
// down the line.
if (!haveClient())
Client::initThread(getThreadName());
auto const client = Client::getCurrent();
auto const serviceContext = client->getServiceContext();
Milliseconds shutdownTimeout;
if (shutdownArgs.quiesceTime) {
shutdownTimeout = *shutdownArgs.quiesceTime;
} else {
invariant(!shutdownArgs.isUserInitiated);
shutdownTimeout = Milliseconds(repl::shutdownTimeoutMillisForSignaledShutdown.load());
}
if (MONGO_unlikely(hangBeforeShutdown.shouldFail())) {
LOGV2(4944800, "Hanging before shutdown due to hangBeforeShutdown failpoint");
hangBeforeShutdown.pauseWhileSet();
}
// If we don't have shutdownArgs, we're shutting down from a signal, or other clean shutdown
// path.
//
// In that case, do a default step down, still shutting down if stepDown fails.
if (auto replCoord = repl::ReplicationCoordinator::get(serviceContext);
replCoord && !shutdownArgs.isUserInitiated) {
replCoord->enterTerminalShutdown();
ServiceContext::UniqueOperationContext uniqueOpCtx;
OperationContext* opCtx = client->getOperationContext();
if (!opCtx) {
uniqueOpCtx = client->makeOperationContext();
opCtx = uniqueOpCtx.get();
}
const auto forceShutdown = true;
auto stepDownStartTime = opCtx->getServiceContext()->getPreciseClockSource()->now();
// stepDown should never return an error during force shutdown.
LOGV2_OPTIONS(4784900,
{LogComponent::kReplication},
"Stepping down the ReplicationCoordinator for shutdown",
"waitTime"_attr = shutdownTimeout);
invariantStatusOK(stepDownForShutdown(opCtx, shutdownTimeout, forceShutdown));
shutdownTimeout = std::max(
Milliseconds::zero(),
shutdownTimeout -
(opCtx->getServiceContext()->getPreciseClockSource()->now() - stepDownStartTime));
}
// TODO SERVER-49138: Remove this FCV check when 5.0 becomes last-lts.
// We must FCV gate the Quiesce mode feature so that a 4.7+ node entering Quiesce mode in a
// mixed 4.4/4.7+ replica set does not delay a 4.4 node from finding a valid sync source.
if (serverGlobalParams.featureCompatibility.isVersionInitialized() &&
serverGlobalParams.featureCompatibility.isGreaterThanOrEqualTo(
ServerGlobalParams::FeatureCompatibility::Version::kVersion47)) {
if (auto replCoord = repl::ReplicationCoordinator::get(serviceContext);
replCoord && replCoord->enterQuiesceModeIfSecondary(shutdownTimeout)) {
ServiceContext::UniqueOperationContext uniqueOpCtx;
OperationContext* opCtx = client->getOperationContext();
if (!opCtx) {
uniqueOpCtx = client->makeOperationContext();
opCtx = uniqueOpCtx.get();
}
if (MONGO_unlikely(hangDuringQuiesceMode.shouldFail())) {
LOGV2_OPTIONS(4695101,
{LogComponent::kReplication},
"hangDuringQuiesceMode failpoint enabled");
hangDuringQuiesceMode.pauseWhileSet(opCtx);
}
LOGV2_OPTIONS(4695102,
{LogComponent::kReplication},
"Entering quiesce mode for shutdown",
"quiesceTime"_attr = shutdownTimeout);
opCtx->sleepFor(shutdownTimeout);
LOGV2_OPTIONS(
4695103, {LogComponent::kReplication}, "Exiting quiesce mode for shutdown");
}
}
LOGV2_OPTIONS(4784901, {LogComponent::kCommand}, "Shutting down the MirrorMaestro");
MirrorMaestro::shutdown(serviceContext);
LOGV2_OPTIONS(4784902, {LogComponent::kSharding}, "Shutting down the WaitForMajorityService");
WaitForMajorityService::get(serviceContext).shutDown();
// Join the logical session cache before the transport layer.
if (auto lsc = LogicalSessionCache::get(serviceContext)) {
LOGV2(4784903, "Shutting down the LogicalSessionCache");
lsc->joinOnShutDown();
}
// Shutdown the TransportLayer so that new connections aren't accepted
if (auto tl = serviceContext->getTransportLayer()) {
LOGV2_OPTIONS(
20562, {LogComponent::kNetwork}, "Shutdown: going to close listening sockets");
tl->shutdown();
}
// Shut down the global dbclient pool so callers stop waiting for connections.
LOGV2_OPTIONS(4784905, {LogComponent::kNetwork}, "Shutting down the global connection pool");
globalConnPool.shutdown();
// Inform Flow Control to stop gating writes on ticket admission. This must be done before the
// Periodic Runner is shut down (see SERVER-41751).
if (auto flowControlTicketholder = FlowControlTicketholder::get(serviceContext)) {
LOGV2(4784906, "Shutting down the FlowControlTicketholder");
flowControlTicketholder->setInShutdown();
}
if (auto exec = ReplicaSetNodeProcessInterface::getReplicaSetNodeExecutor(serviceContext)) {
LOGV2_OPTIONS(
4784907, {LogComponent::kReplication}, "Shutting down the replica set node executor");
exec->shutdown();
exec->join();
}
if (auto storageEngine = serviceContext->getStorageEngine()) {
if (storageEngine->supportsReadConcernSnapshot()) {
LOGV2(4784908, "Shutting down the PeriodicThreadToAbortExpiredTransactions");
PeriodicThreadToAbortExpiredTransactions::get(serviceContext)->stop();
}
ServiceContext::UniqueOperationContext uniqueOpCtx;
OperationContext* opCtx = client->getOperationContext();
if (!opCtx) {
uniqueOpCtx = client->makeOperationContext();
opCtx = uniqueOpCtx.get();
}
opCtx->setIsExecutingShutdown();
// This can wait a long time while we drain the secondary's apply queue, especially if
// it is building an index.
LOGV2_OPTIONS(
4784909, {LogComponent::kReplication}, "Shutting down the ReplicationCoordinator");
repl::ReplicationCoordinator::get(serviceContext)->shutdown(opCtx);
LOGV2_OPTIONS(5093807,
{LogComponent::kTenantMigration},
"Shutting down all TenantMigrationAccessBlockers on global shutdown");
TenantMigrationAccessBlockerRegistry::get(serviceContext).shutDown();
// Terminate the index consistency check.
if (serverGlobalParams.clusterRole == ClusterRole::ConfigServer) {
LOGV2_OPTIONS(4784904,
{LogComponent::kSharding},
"Shutting down the PeriodicShardedIndexConsistencyChecker");
PeriodicShardedIndexConsistencyChecker::get(serviceContext).onShutDown();
}
LOGV2_OPTIONS(
4784910, {LogComponent::kSharding}, "Shutting down the ShardingInitializationMongoD");
ShardingInitializationMongoD::get(serviceContext)->shutDown(opCtx);
// Acquire the RSTL in mode X. First we enqueue the lock request, then kill all operations,
// destroy all stashed transaction resources in order to release locks, and finally wait
// until the lock request is granted.
LOGV2_OPTIONS(4784911,
{LogComponent::kReplication},
"Enqueuing the ReplicationStateTransitionLock for shutdown");
repl::ReplicationStateTransitionLockGuard rstl(
opCtx, MODE_X, repl::ReplicationStateTransitionLockGuard::EnqueueOnly());
// Kill all operations except FTDC to continue gathering metrics. This makes all newly
// created opCtx to be immediately interrupted. After this point, the opCtx will have been
// marked as killed and will not be usable other than to kill all transactions directly
// below.
LOGV2_OPTIONS(4784912, {LogComponent::kDefault}, "Killing all operations for shutdown");
const std::set<std::string> excludedClients = {std::string(kFTDCThreadName)};
serviceContext->setKillAllOperations(excludedClients);
if (MONGO_unlikely(pauseWhileKillingOperationsAtShutdown.shouldFail())) {
LOGV2_OPTIONS(4701700,
{LogComponent::kDefault},
"pauseWhileKillingOperationsAtShutdown failpoint enabled");
sleepsecs(1);
}
// Destroy all stashed transaction resources, in order to release locks.
LOGV2_OPTIONS(4784913, {LogComponent::kCommand}, "Shutting down all open transactions");
killSessionsLocalShutdownAllTransactions(opCtx);
LOGV2_OPTIONS(4784914,
{LogComponent::kReplication},
"Acquiring the ReplicationStateTransitionLock for shutdown");
rstl.waitForLockUntil(Date_t::max());
// Release the rstl before waiting for the index build threads to join as index build
// reacquires rstl in uninterruptible lock guard to finish their cleanup process.
rstl.release();
// Shuts down the thread pool and waits for index builds to finish.
// Depends on setKillAllOperations() above to interrupt the index build operations.
LOGV2_OPTIONS(4784915, {LogComponent::kIndex}, "Shutting down the IndexBuildsCoordinator");
IndexBuildsCoordinator::get(serviceContext)->shutdown(opCtx);
// No new readers can come in after the releasing the RSTL, as previously before releasing
// the RSTL, we made sure that all new operations will be immediately interrupted by setting
// ServiceContext::_globalKill to true. Reacquires RSTL in mode X.
LOGV2_OPTIONS(4784916,
{LogComponent::kReplication},
"Reacquiring the ReplicationStateTransitionLock for shutdown");
rstl.reacquire();
// We are expected to have no active readers while performing
// markAsCleanShutdownIfPossible() step. We guarantee that there are no active readers at
// this point due to:
// 1) Acquiring RSTL in mode X as all readers (except single phase hybrid index builds on
// secondaries) are expected to hold RSTL in mode IX.
// 2) By waiting for all index build to finish.
LOGV2_OPTIONS(4784917, {LogComponent::kReplication}, "Attempting to mark clean shutdown");
repl::ReplicationCoordinator::get(serviceContext)->markAsCleanShutdownIfPossible(opCtx);
}
LOGV2_OPTIONS(4784918, {LogComponent::kNetwork}, "Shutting down the ReplicaSetMonitor");
ReplicaSetMonitor::shutdown();
if (auto sr = Grid::get(serviceContext)->shardRegistry()) {
LOGV2_OPTIONS(4784919, {LogComponent::kSharding}, "Shutting down the shard registry");
sr->shutdown();
}
// Validator shutdown must be called after setKillAllOperations is called. Otherwise, this can
// deadlock.
if (auto validator = LogicalTimeValidator::get(serviceContext)) {
LOGV2_OPTIONS(
4784920, {LogComponent::kReplication}, "Shutting down the LogicalTimeValidator");
validator->shutDown();
}
// The migrationutil executor must be shut down before shutting down the CatalogCacheLoader.
// Otherwise, it may try to schedule work on the CatalogCacheLoader and fail.
LOGV2_OPTIONS(4784921, {LogComponent::kSharding}, "Shutting down the MigrationUtilExecutor");
auto migrationUtilExecutor = migrationutil::getMigrationUtilExecutor();
migrationUtilExecutor->shutdown();
migrationUtilExecutor->join();
if (ShardingState::get(serviceContext)->enabled()) {
LOGV2_OPTIONS(4784922, {LogComponent::kSharding}, "Shutting down the CatalogCacheLoader");
CatalogCacheLoader::get(serviceContext).shutDown();
}
// Shutdown the Service Entry Point and its sessions and give it a grace period to complete.
if (auto sep = serviceContext->getServiceEntryPoint()) {
LOGV2_OPTIONS(4784923, {LogComponent::kCommand}, "Shutting down the ServiceEntryPoint");
if (!sep->shutdown(Seconds(10))) {
LOGV2_OPTIONS(20563,
{LogComponent::kNetwork},
"Service entry point did not shutdown within the time limit");
}
}
LOGV2(4784925, "Shutting down free monitoring");
stopFreeMonitoring();
LOGV2(4784927, "Shutting down the HealthLog");
HealthLog::get(serviceContext).shutdown();
LOGV2(4784928, "Shutting down the TTL monitor");
shutdownTTLMonitor(serviceContext);
// We should always be able to acquire the global lock at shutdown.
// An OperationContext is not necessary to call lockGlobal() during shutdown, as it's only used
// to check that lockGlobal() is not called after a transaction timestamp has been set.
//
// For a Windows service, dbexit does not call exit(), so we must leak the lock outside
// of this function to prevent any operations from running that need a lock.
//
LOGV2(4784929, "Acquiring the global lock for shutdown");
LockerImpl* globalLocker = new LockerImpl();
globalLocker->lockGlobal(nullptr, MODE_X);
// Global storage engine may not be started in all cases before we exit
if (serviceContext->getStorageEngine()) {
LOGV2(4784930, "Shutting down the storage engine");
shutdownGlobalStorageEngineCleanly(serviceContext);
}
// We drop the scope cache because leak sanitizer can't see across the
// thread we use for proxying MozJS requests. Dropping the cache cleans up
// the memory and makes leak sanitizer happy.
LOGV2_OPTIONS(4784931, {LogComponent::kDefault}, "Dropping the scope cache for shutdown");
ScriptEngine::dropScopeCache();
// Shutdown Full-Time Data Capture
LOGV2_OPTIONS(4784926, {LogComponent::kFTDC}, "Shutting down full-time data capture");
stopMongoDFTDC();
LOGV2(20565, "Now exiting");
audit::logShutdown(client);
#ifndef MONGO_CONFIG_USE_RAW_LATCHES
LatchAnalyzer::get(serviceContext).dump();
#endif
#if __has_feature(address_sanitizer) || __has_feature(thread_sanitizer)
// SessionKiller relies on the network stack being cleanly shutdown which only occurs under
// sanitizers
SessionKiller::shutdown(serviceContext);
#endif
FlowControl::shutdown(serviceContext);
#ifdef MONGO_CONFIG_SSL
OCSPManager::shutdown(serviceContext);
#endif
}
} // namespace
int mongod_main(int argc, char* argv[]) {
ThreadSafetyContext::getThreadSafetyContext()->forbidMultiThreading();
registerShutdownTask(shutdownTask);
setupSignalHandlers();
srand(static_cast<unsigned>(curTimeMicros64()));
Status status = mongo::runGlobalInitializers(std::vector<std::string>(argv, argv + argc));
if (!status.isOK()) {
LOGV2_FATAL_OPTIONS(
20574,
logv2::LogOptions(logv2::LogComponent::kControl, logv2::FatalMode::kContinue),
"Error during global initialization: {error}",
"Error during global initialization",
"error"_attr = status);
quickExit(EXIT_FAILURE);
}
auto* service = [] {
try {
auto serviceContextHolder = ServiceContext::make();
auto* serviceContext = serviceContextHolder.get();
setGlobalServiceContext(std::move(serviceContextHolder));
return serviceContext;
} catch (...) {
auto cause = exceptionToStatus();
LOGV2_FATAL_OPTIONS(
20575,
logv2::LogOptions(logv2::LogComponent::kControl, logv2::FatalMode::kContinue),
"Error creating service context: {error}",
"Error creating service context",
"error"_attr = redact(cause));
quickExit(EXIT_FAILURE);
}
}();
{
// Create the durable history registry prior to calling the `setUp*` methods. They may
// depend on it existing at this point.
DurableHistoryRegistry::set(service, std::make_unique<DurableHistoryRegistry>());
DurableHistoryRegistry* registry = DurableHistoryRegistry::get(service);
if (getTestCommandsEnabled()) {
registry->registerPin(std::make_unique<TestingDurableHistoryPin>());
}
}
setUpCollectionShardingState(service);
setUpCatalog(service);
setUpReplication(service);
setUpObservers(service);
service->setServiceEntryPoint(std::make_unique<ServiceEntryPointMongod>(service));
ErrorExtraInfo::invariantHaveAllParsers();
startupConfigActions(std::vector<std::string>(argv, argv + argc));
cmdline_utils::censorArgvArray(argc, argv);
if (!initializeServerGlobalState(service))
quickExit(EXIT_FAILURE);
if (!initializeServerSecurityGlobalState(service))
quickExit(EXIT_FAILURE);
// There is no single-threaded guarantee beyond this point.
ThreadSafetyContext::getThreadSafetyContext()->allowMultiThreading();
// Per SERVER-7434, startSignalProcessingThread must run after any forks (i.e.
// initializeServerGlobalState) and before the creation of any other threads
startSignalProcessingThread();
ReadWriteConcernDefaults::create(service, readWriteConcernDefaultsCacheLookupMongoD);
#if defined(_WIN32)
if (ntservice::shouldStartService()) {
ntservice::startService();
// exits directly and so never reaches here either.
}
#endif
ExitCode exitCode = initAndListen(service, serverGlobalParams.port);
exitCleanly(exitCode);
return 0;
}
} // namespace mongo
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