diff options
author | Luis Osta <luis.osta@mongodb.com> | 2020-08-04 17:03:47 +0000 |
---|---|---|
committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2020-08-04 18:07:13 +0000 |
commit | 0e3bd22e59a51dcdfc7fdac6d96dcda22e2e6647 (patch) | |
tree | 9fe03e0ad3a5f88e68919122ac34a310d3b56143 /src | |
parent | b4db8c01a13fd70997a05857be17548b0adec020 (diff) | |
download | mongo-0e3bd22e59a51dcdfc7fdac6d96dcda22e2e6647.tar.gz |
SERVER-49789 Make tenant migration donor use a StreamableReplicaSetMonitor to monitor and send commands to the recipient
Diffstat (limited to 'src')
-rw-r--r-- | src/mongo/db/commands/SConscript | 18 | ||||
-rw-r--r-- | src/mongo/db/commands/tenant_migration_donor_cmds.cpp (renamed from src/mongo/db/commands/tenant_migration_cmds.cpp) | 4 | ||||
-rw-r--r-- | src/mongo/db/commands/tenant_migration_donor_cmds.idl (renamed from src/mongo/db/commands/tenant_migration_cmds.idl) | 0 | ||||
-rw-r--r-- | src/mongo/db/commands/tenant_migration_recipient_cmds.cpp | 73 | ||||
-rw-r--r-- | src/mongo/db/commands/tenant_migration_recipient_cmds.idl | 64 | ||||
-rw-r--r-- | src/mongo/db/op_observer_impl.cpp | 2 | ||||
-rw-r--r-- | src/mongo/db/repl/SConscript | 4 | ||||
-rw-r--r-- | src/mongo/db/repl/oplog.cpp | 2 | ||||
-rw-r--r-- | src/mongo/db/repl/tenant_migration_donor_util.cpp | 64 | ||||
-rw-r--r-- | src/mongo/db/repl/tenant_migration_donor_util.h | 6 | ||||
-rw-r--r-- | src/mongo/db/service_entry_point_common.cpp | 10 | ||||
-rw-r--r-- | src/mongo/util/uuid.h | 12 |
12 files changed, 234 insertions, 25 deletions
diff --git a/src/mongo/db/commands/SConscript b/src/mongo/db/commands/SConscript index a4a1ebdc4ca..70f9707fb8f 100644 --- a/src/mongo/db/commands/SConscript +++ b/src/mongo/db/commands/SConscript @@ -409,16 +409,17 @@ env.Library( "sharded_index_consistency_server_status.cpp", "shutdown_d.cpp", "snapshot_management.cpp", + "tenant_migration_donor_cmds.cpp", + "tenant_migration_recipient_cmds.cpp", "top_command.cpp", - "tenant_migration_cmds.cpp", "txn_cmds.cpp", "user_management_commands.cpp", "vote_commit_index_build_command.cpp", env.Idlc('internal_rename_if_options_and_indexes_match.idl')[0], - env.Idlc('tenant_migration_cmds.idl')[0], env.Idlc('vote_commit_index_build.idl')[0], ], LIBDEPS=[ + 'tenant_migration_cmds_request', 'txn_cmd_request', ], LIBDEPS_PRIVATE=[ @@ -445,6 +446,7 @@ env.Library( '$BUILD_DIR/mongo/db/repl/dbcheck', '$BUILD_DIR/mongo/db/repl/oplog', '$BUILD_DIR/mongo/db/repl/repl_coordinator_interface', + '$BUILD_DIR/mongo/db/repl/tenant_migration_donor', '$BUILD_DIR/mongo/db/rw_concern_d', '$BUILD_DIR/mongo/db/s/sharding_runtime_d', '$BUILD_DIR/mongo/db/server_options_core', @@ -527,6 +529,18 @@ env.Library( ) env.Library( + target='tenant_migration_cmds_request', + source=[ + env.Idlc('tenant_migration_donor_cmds.idl')[0], + env.Idlc('tenant_migration_recipient_cmds.idl')[0], + ], + LIBDEPS=[ + '$BUILD_DIR/mongo/base', + '$BUILD_DIR/mongo/idl/idl_parser', + '$BUILD_DIR/mongo/client/read_preference', + ] +) +env.Library( target='txn_cmd_request', source=[ env.Idlc("txn_cmds.idl")[0], diff --git a/src/mongo/db/commands/tenant_migration_cmds.cpp b/src/mongo/db/commands/tenant_migration_donor_cmds.cpp index 9b12ae0ad99..16e773b2e0f 100644 --- a/src/mongo/db/commands/tenant_migration_cmds.cpp +++ b/src/mongo/db/commands/tenant_migration_donor_cmds.cpp @@ -28,7 +28,7 @@ */ #include "mongo/db/commands.h" -#include "mongo/db/commands/tenant_migration_cmds_gen.h" +#include "mongo/db/commands/tenant_migration_donor_cmds_gen.h" #include "mongo/db/repl/tenant_migration_donor_util.h" namespace mongo { @@ -51,7 +51,7 @@ public: requestBody.getDatabasePrefix().toString(), TenantMigrationDonorStateEnum::kDataSync); - tenant_migration::startMigration(opCtx, donorStateDoc); + tenant_migration_donor::startMigration(opCtx, donorStateDoc); } diff --git a/src/mongo/db/commands/tenant_migration_cmds.idl b/src/mongo/db/commands/tenant_migration_donor_cmds.idl index 96fff6640db..96fff6640db 100644 --- a/src/mongo/db/commands/tenant_migration_cmds.idl +++ b/src/mongo/db/commands/tenant_migration_donor_cmds.idl diff --git a/src/mongo/db/commands/tenant_migration_recipient_cmds.cpp b/src/mongo/db/commands/tenant_migration_recipient_cmds.cpp new file mode 100644 index 00000000000..1ea9c6e8994 --- /dev/null +++ b/src/mongo/db/commands/tenant_migration_recipient_cmds.cpp @@ -0,0 +1,73 @@ +/** + * Copyright (C) 2020-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/commands.h" +#include "mongo/db/commands/tenant_migration_recipient_cmds_gen.h" + +namespace mongo { +namespace { + +class RecipientSyncDataCmd : public TypedCommand<RecipientSyncDataCmd> { +public: + using Request = RecipientSyncData; + + class Invocation : public InvocationBase { + + public: + using InvocationBase::InvocationBase; + void typedRun(OperationContext* opCtx) {} + + + void doCheckAuthorization(OperationContext* opCtx) const {} + + private: + bool supportsWriteConcern() const override { + return false; + } + NamespaceString ns() const { + return NamespaceString(request().getDbName(), ""); + } + }; + + std::string help() const { + return ""; + } + bool adminOnly() const override { + return true; + } + + BasicCommand::AllowedOnSecondary secondaryAllowed(ServiceContext*) const override { + return BasicCommand::AllowedOnSecondary::kNever; + } + +} recipientSyncDataCmd; + + +} // namespace +} // namespace mongo diff --git a/src/mongo/db/commands/tenant_migration_recipient_cmds.idl b/src/mongo/db/commands/tenant_migration_recipient_cmds.idl new file mode 100644 index 00000000000..4d267f500e2 --- /dev/null +++ b/src/mongo/db/commands/tenant_migration_recipient_cmds.idl @@ -0,0 +1,64 @@ +# Copyright (C) 2020-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. +# + +global: + cpp_namespace: "mongo" + cpp_includes: + - "mongo/client/read_preference.h" + - "mongo/db/repl/tenant_migration_util.h" + +imports: + - "mongo/client/read_preference_setting.idl" + - "mongo/idl/basic_types.idl" + - "mongo/s/sharding_types.idl" + - "mongo/db/repl/replication_types.idl" + +commands: + recipientSyncData: + description: "Parser for the 'recipientSyncData' command." + strict: true + namespace: ignored + fields: + migrationId: + description: "Unique identifier for the tenant migration." + type: uuid + donorConnectionString: + description: "The URI string that the donor will utilize to create a connection with the recipient." + type: string + databasePrefix: + description: "The prefix from which the migrating database will be matched. The prefixes 'admin', 'local', 'config', the empty string, are not allowed." + type: string + validator: + callback: "validateDbPrefix" + readPreference: + description: "The read preference settings that the donor will pass on to the recipient." + type: readPreference + returnAfterReachingOpTime: + description: "If provided, the recipient should return after syncing up to this OpTime. Otherwise, the recipient will return once its copy of the data is consistent." + type: timestamp + optional: true diff --git a/src/mongo/db/op_observer_impl.cpp b/src/mongo/db/op_observer_impl.cpp index 6f8d1479823..193fa3885da 100644 --- a/src/mongo/db/op_observer_impl.cpp +++ b/src/mongo/db/op_observer_impl.cpp @@ -574,7 +574,7 @@ void OpObserverImpl::onUpdate(OperationContext* opCtx, const OplogUpdateEntryArg ReadWriteConcernDefaults::get(opCtx).observeDirectWriteToConfigSettings( opCtx, args.updateArgs.updatedDoc["_id"], args.updateArgs.updatedDoc); } else if (args.nss == NamespaceString::kTenantMigrationDonorsNamespace) { - tenant_migration::onDonorStateTransition(opCtx, args.updateArgs.updatedDoc); + tenant_migration_donor::onDonorStateTransition(opCtx, args.updateArgs.updatedDoc); } } diff --git a/src/mongo/db/repl/SConscript b/src/mongo/db/repl/SConscript index 25d80ca26f0..a63a654fc25 100644 --- a/src/mongo/db/repl/SConscript +++ b/src/mongo/db/repl/SConscript @@ -44,6 +44,7 @@ env.Library( 'repl_coordinator_interface', 'repl_server_parameters', 'repl_settings', + 'tenant_migration_donor', 'timestamp_block', '$BUILD_DIR/mongo/base', '$BUILD_DIR/mongo/db/catalog/catalog_helpers', @@ -55,7 +56,6 @@ env.Library( '$BUILD_DIR/mongo/db/dbdirectclient', '$BUILD_DIR/mongo/db/dbhelpers', '$BUILD_DIR/mongo/db/op_observer', - '$BUILD_DIR/mongo/db/repl/tenant_migration_donor', '$BUILD_DIR/mongo/db/stats/counters', '$BUILD_DIR/mongo/db/stats/server_read_concern_write_concern_metrics', '$BUILD_DIR/mongo/db/transaction', @@ -1241,8 +1241,10 @@ env.Library( ], LIBDEPS=[ '$BUILD_DIR/mongo/base', + '$BUILD_DIR/mongo/client/remote_command_targeter', '$BUILD_DIR/mongo/db/catalog_raii', '$BUILD_DIR/mongo/db/commands/server_status', + '$BUILD_DIR/mongo/db/commands/tenant_migration_cmds_request', '$BUILD_DIR/mongo/db/dbhelpers', '$BUILD_DIR/mongo/db/service_context', '$BUILD_DIR/mongo/db/rw_concern_d', diff --git a/src/mongo/db/repl/oplog.cpp b/src/mongo/db/repl/oplog.cpp index d3749f0be47..61ce9f4da5d 100644 --- a/src/mongo/db/repl/oplog.cpp +++ b/src/mongo/db/repl/oplog.cpp @@ -230,7 +230,7 @@ void _logOpsInner(OperationContext* opCtx, // The oplogEntry for renameCollection has nss set to the fromCollection's ns. renameCollection // can be across databases, but a tenant will never be able to rename into a database with a // different prefix, so it is safe to use the fromCollection's db's prefix for this check. - tenant_migration::onWriteToDatabase(opCtx, nss.db()); + tenant_migration_donor::onWriteToDatabase(opCtx, nss.db()); Status result = oplogCollection->insertDocumentsForOplog(opCtx, records, timestamps); if (!result.isOK()) { diff --git a/src/mongo/db/repl/tenant_migration_donor_util.cpp b/src/mongo/db/repl/tenant_migration_donor_util.cpp index c4c0577909a..c33ab2714f8 100644 --- a/src/mongo/db/repl/tenant_migration_donor_util.cpp +++ b/src/mongo/db/repl/tenant_migration_donor_util.cpp @@ -27,11 +27,17 @@ * it in the license file. */ +#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kReplication + #include "mongo/platform/basic.h" #include "mongo/util/str.h" #include "mongo/db/repl/tenant_migration_donor_util.h" +#include "mongo/client/connection_string.h" +#include "mongo/client/remote_command_targeter_rs.h" +#include "mongo/client/replica_set_monitor.h" +#include "mongo/db/commands/tenant_migration_recipient_cmds_gen.h" #include "mongo/db/concurrency/write_conflict_exception.h" #include "mongo/db/db_raii.h" #include "mongo/db/dbhelpers.h" @@ -41,12 +47,13 @@ #include "mongo/db/repl/tenant_migration_state_machine_gen.h" #include "mongo/executor/network_interface_factory.h" #include "mongo/executor/thread_pool_task_executor.h" +#include "mongo/logv2/log.h" #include "mongo/util/concurrency/thread_pool.h" #include "mongo/util/fail_point.h" namespace mongo { -namespace tenant_migration { +namespace tenant_migration_donor { namespace { @@ -113,7 +120,7 @@ void onTransitionToBlocking(OperationContext* opCtx, TenantMigrationDonorDocumen mtab = std::make_shared<TenantMigrationAccessBlocker>( opCtx->getServiceContext(), - tenant_migration::makeTenantMigrationExecutor(opCtx->getServiceContext()), + tenant_migration_donor::makeTenantMigrationExecutor(opCtx->getServiceContext()), donorStateDoc.getDatabasePrefix().toString()); mtabByPrefix.add(donorStateDoc.getDatabasePrefix(), mtab); mtab->startBlockingWrites(); @@ -238,6 +245,54 @@ void updateDonorStateDocument(OperationContext* opCtx, })); } +void sendRecipientSyncDataCommand(OperationContext* opCtx, + const TenantMigrationDonorDocument& donorStateDoc) { + const ConnectionString recipientConnectionString = + ConnectionString(donorStateDoc.getRecipientConnectionString().toString(), + ConnectionString::ConnectionType::SET); + auto dataSyncExecutor = makeTenantMigrationExecutor(opCtx->getServiceContext()); + dataSyncExecutor->startup(); + + auto removeReplicaSetMonitorForRecipientGuard = + makeGuard([&] { ReplicaSetMonitor::remove(recipientConnectionString.getSetName()); }); + + // Create the command BSON for the recipientSyncData request. + BSONObj cmdObj = BSONObj([&]() { + const auto donorConnectionString = + repl::ReplicationCoordinator::get(opCtx)->getConfig().getConnectionString().toString(); + + RecipientSyncData request(donorStateDoc.getId(), + donorConnectionString, + donorStateDoc.getDatabasePrefix().toString(), + ReadPreferenceSetting()); + + return request.toBSON(BSONObj()); + }()); + + // Find the host and port of the recipient's primary. + HostAndPort recipientHost([&]() { + auto targeter = RemoteCommandTargeterRS(recipientConnectionString.getSetName(), + recipientConnectionString.getServers()); + return uassertStatusOK(targeter.findHost(opCtx, ReadPreferenceSetting())); + }()); + + executor::RemoteCommandRequest request(recipientHost, + NamespaceString::kAdminDb.toString(), + std::move(cmdObj), + rpc::makeEmptyMetadata(), + nullptr, + Seconds(30)); + + executor::RemoteCommandResponse response = + Status(ErrorCodes::InternalError, "Internal error running command"); + + executor::TaskExecutor::CallbackHandle cbHandle = + uassertStatusOK(dataSyncExecutor->scheduleRemoteCommand( + request, [&response](const auto& args) { response = args.response; })); + + dataSyncExecutor->wait(cbHandle, opCtx); + uassertStatusOK(getStatusFromCommandResult(response.data)); +} } // namespace void startMigration(OperationContext* opCtx, TenantMigrationDonorDocument donorStateDoc) { @@ -255,8 +310,7 @@ void startMigration(OperationContext* opCtx, TenantMigrationDonorDocument donorS // Enter "dataSync" state. insertDonorStateDocument(opCtx, donorStateDoc); - // TODO: Send recipientSyncData and wait for success response (i.e. the recipient's view of - // the data has become consistent). + sendRecipientSyncDataCommand(opCtx, donorStateDoc); // Enter "blocking" state. mtab = startBlockingWritesForTenant(opCtx, donorStateDoc); @@ -351,6 +405,6 @@ void onWriteToDatabase(OperationContext* opCtx, StringData dbName) { } } -} // namespace tenant_migration +} // namespace tenant_migration_donor } // namespace mongo diff --git a/src/mongo/db/repl/tenant_migration_donor_util.h b/src/mongo/db/repl/tenant_migration_donor_util.h index 5055bbaec8b..cd42d025fae 100644 --- a/src/mongo/db/repl/tenant_migration_donor_util.h +++ b/src/mongo/db/repl/tenant_migration_donor_util.h @@ -30,7 +30,7 @@ #pragma once #include "mongo/db/commands.h" -#include "mongo/db/commands/tenant_migration_cmds_gen.h" +#include "mongo/db/commands/tenant_migration_donor_cmds_gen.h" #include "mongo/db/operation_context.h" #include "mongo/db/repl/tenant_migration_access_blocker_by_prefix.h" #include "mongo/db/repl/tenant_migration_conflict_info.h" @@ -41,7 +41,7 @@ namespace mongo { -namespace tenant_migration { +namespace tenant_migration_donor { /** * Starts a tenant migration as defined in the given donor's state document. @@ -114,6 +114,6 @@ void migrationConflictRetry(OperationContext* opCtx, } } -} // namespace tenant_migration +} // namespace tenant_migration_donor } // namespace mongo diff --git a/src/mongo/db/service_entry_point_common.cpp b/src/mongo/db/service_entry_point_common.cpp index 612139a2bb9..6717fc5589d 100644 --- a/src/mongo/db/service_entry_point_common.cpp +++ b/src/mongo/db/service_entry_point_common.cpp @@ -519,8 +519,8 @@ void invokeWithNoSession(OperationContext* opCtx, const OpMsgRequest& request, CommandInvocation* invocation, rpc::ReplyBuilderInterface* replyBuilder) { - tenant_migration::checkIfCanReadOrBlock(opCtx, request.getDatabase()); - tenant_migration::migrationConflictRetry( + tenant_migration_donor::checkIfCanReadOrBlock(opCtx, request.getDatabase()); + tenant_migration_donor::migrationConflictRetry( opCtx, [&] { CommandHelpers::runCommandInvocation(opCtx, request, invocation, replyBuilder); }, replyBuilder); @@ -627,10 +627,10 @@ void invokeWithSessionCheckedOut(OperationContext* opCtx, } } - tenant_migration::checkIfCanReadOrBlock(opCtx, request.getDatabase()); + tenant_migration_donor::checkIfCanReadOrBlock(opCtx, request.getDatabase()); try { - tenant_migration::migrationConflictRetry( + tenant_migration_donor::migrationConflictRetry( opCtx, [&] { CommandHelpers::runCommandInvocation(opCtx, request, invocation, replyBuilder); }, replyBuilder); @@ -874,7 +874,7 @@ bool runCommandImpl(OperationContext* opCtx, }); behaviors.waitForLinearizableReadConcern(opCtx); - tenant_migration::checkIfLinearizableReadWasAllowedOrThrow(opCtx, request.getDatabase()); + tenant_migration_donor::checkIfLinearizableReadWasAllowedOrThrow(opCtx, request.getDatabase()); // Wait for data to satisfy the read concern level, if necessary. behaviors.waitForSpeculativeMajorityReadConcern(opCtx); diff --git a/src/mongo/util/uuid.h b/src/mongo/util/uuid.h index 7fb8471be2c..4330eee758e 100644 --- a/src/mongo/util/uuid.h +++ b/src/mongo/util/uuid.h @@ -65,9 +65,10 @@ class UUID { // Make the IDL generated parser a friend friend class ConfigsvrShardCollectionResponse; - friend class ShardsvrShardCollectionResponse; - friend class ShardsvrRenameCollection; friend class CommonReshardingMetadata; + friend class DonorStartMigration; + friend class DonorWaitForMigrationToCommit; + friend class DonorForgetMigration; friend class DatabaseVersion; friend class DbCheckOplogCollection; friend class EncryptionPlaceholder; @@ -86,15 +87,16 @@ class UUID { friend class repl::OplogEntryBase; friend class repl::DurableReplOperation; friend class repl::InitialSyncIdDocument; + friend class RecipientSyncData; friend class ResumeIndexInfo; friend class ResumeTokenInternal; friend class ShardCollectionTypeBase; + friend class ShardsvrShardCollectionResponse; + friend class ShardsvrRenameCollection; friend class TenantMigrationDonorDocument; friend class TenantMigrationRecipientDocument; friend class VoteCommitIndexBuild; - friend class DonorStartMigration; - friend class DonorWaitForMigrationToCommit; - friend class DonorForgetMigration; + public: /** |