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authorMarcos José Grillo Ramirez <marcos.grillo@mongodb.com>2021-06-11 09:10:11 +0000
committerEvergreen Agent <no-reply@evergreen.mongodb.com>2021-06-11 09:47:41 +0000
commit7679fadf823e027a30ac81d7a1ec397fe97a0fde (patch)
treeedf1ef1bc8be3ac025b66ae26b00a1ec616e28dd /src/mongo
parente40a2e909716ecaa82a440e9b7831eae17140212 (diff)
downloadmongo-7679fadf823e027a30ac81d7a1ec397fe97a0fde.tar.gz
SERVER-57114 Change refine collection shard key command to use ShardingDDLCoordinator
... instead of ShardinDDLCoordinator_NORESILIENT
Diffstat (limited to 'src/mongo')
-rw-r--r--src/mongo/db/s/SConscript1
-rw-r--r--src/mongo/db/s/create_collection_coordinator.cpp2
-rw-r--r--src/mongo/db/s/refine_collection_shard_key_coordinator.cpp109
-rw-r--r--src/mongo/db/s/refine_collection_shard_key_coordinator.h22
-rw-r--r--src/mongo/db/s/refine_collection_shard_key_coordinator_document.idl47
-rw-r--r--src/mongo/db/s/sharding_ddl_coordinator.idl1
-rw-r--r--src/mongo/db/s/sharding_ddl_coordinator_service.cpp5
-rw-r--r--src/mongo/db/s/shardsvr_refine_collection_shard_key_command.cpp13
-rw-r--r--src/mongo/s/commands/cluster_refine_collection_shard_key_cmd.cpp6
-rw-r--r--src/mongo/s/request_types/sharded_ddl_commands.idl16
10 files changed, 161 insertions, 61 deletions
diff --git a/src/mongo/db/s/SConscript b/src/mongo/db/s/SConscript
index 825d057fc3e..49498dde8d5 100644
--- a/src/mongo/db/s/SConscript
+++ b/src/mongo/db/s/SConscript
@@ -342,6 +342,7 @@ env.Library(
'sharded_rename_collection.idl',
'rename_collection_participant_service.cpp',
'refine_collection_shard_key_coordinator.cpp',
+ 'refine_collection_shard_key_coordinator_document.idl',
'reshard_collection_coordinator.cpp',
'resharding_test_commands.cpp',
'resharding_test_commands.idl',
diff --git a/src/mongo/db/s/create_collection_coordinator.cpp b/src/mongo/db/s/create_collection_coordinator.cpp
index 388366a8632..625361e7f20 100644
--- a/src/mongo/db/s/create_collection_coordinator.cpp
+++ b/src/mongo/db/s/create_collection_coordinator.cpp
@@ -348,7 +348,7 @@ boost::optional<BSONObj> CreateCollectionCoordinator::reportForCurrentOp(
void CreateCollectionCoordinator::checkIfOptionsConflict(const BSONObj& doc) const {
// If we have two shard collections on the same namespace, then the arguments must be the same.
const auto otherDoc = CreateCollectionCoordinatorDocument::parse(
- IDLParserErrorContext("RenameCollectionCoordinatorDocument"), doc);
+ IDLParserErrorContext("CreateCollectionCoordinatorDocument"), doc);
uassert(ErrorCodes::ConflictingOperationInProgress,
"Another create collection with different arguments is already running for the same "
diff --git a/src/mongo/db/s/refine_collection_shard_key_coordinator.cpp b/src/mongo/db/s/refine_collection_shard_key_coordinator.cpp
index d4eae301de6..d56ef28f19f 100644
--- a/src/mongo/db/s/refine_collection_shard_key_coordinator.cpp
+++ b/src/mongo/db/s/refine_collection_shard_key_coordinator.cpp
@@ -41,61 +41,88 @@
namespace mongo {
RefineCollectionShardKeyCoordinator::RefineCollectionShardKeyCoordinator(
- OperationContext* opCtx, const NamespaceString& nss, const KeyPattern newShardKey)
- : ShardingDDLCoordinator_NORESILIENT(opCtx, nss),
- _serviceContext(opCtx->getServiceContext()),
- _newShardKey(std::move(newShardKey)){};
-
-SemiFuture<void> RefineCollectionShardKeyCoordinator::runImpl(
- std::shared_ptr<executor::TaskExecutor> executor) {
- return ExecutorFuture<void>(executor, Status::OK())
- .then([this, anchor = shared_from_this()]() {
- ThreadClient tc{"RefineCollectionShardKeyCoordinator", _serviceContext};
- auto opCtxHolder = tc->makeOperationContext();
+ ShardingDDLCoordinatorService* service, const BSONObj& initialState)
+ : ShardingDDLCoordinator(service, initialState),
+ _doc(RefineCollectionShardKeyCoordinatorDocument::parse(
+ IDLParserErrorContext("RefineCollectionShardKeyCoordinatorDocument"), initialState)),
+ _newShardKey(_doc.getNewShardKey()) {}
+
+
+void RefineCollectionShardKeyCoordinator::checkIfOptionsConflict(const BSONObj& doc) const {
+ // If we have two shard collections on the same namespace, then the arguments must be the same.
+ const auto otherDoc = RefineCollectionShardKeyCoordinatorDocument::parse(
+ IDLParserErrorContext("RefineCollectionShardKeyCoordinatorDocument"), doc);
+
+ uassert(ErrorCodes::ConflictingOperationInProgress,
+ "Another create collection with different arguments is already running for the same "
+ "namespace",
+ SimpleBSONObjComparator::kInstance.evaluate(
+ _doc.getRefineCollectionShardKeyRequest().toBSON() ==
+ otherDoc.getRefineCollectionShardKeyRequest().toBSON()));
+}
+
+boost::optional<BSONObj> RefineCollectionShardKeyCoordinator::reportForCurrentOp(
+ MongoProcessInterface::CurrentOpConnectionsMode connMode,
+ MongoProcessInterface::CurrentOpSessionsMode sessionMode) noexcept {
+ BSONObjBuilder cmdBob;
+ if (const auto& optComment = getForwardableOpMetadata().getComment()) {
+ cmdBob.append(optComment.get().firstElement());
+ }
+ cmdBob.appendElements(_doc.getRefineCollectionShardKeyRequest().toBSON());
+
+ BSONObjBuilder bob;
+ bob.append("type", "op");
+ bob.append("desc", "RefineCollectionShardKeyCoordinator");
+ bob.append("op", "command");
+ bob.append("ns", nss().toString());
+ bob.append("command", cmdBob.obj());
+ bob.append("active", true);
+ return bob.obj();
+}
+
+ExecutorFuture<void> RefineCollectionShardKeyCoordinator::_runImpl(
+ std::shared_ptr<executor::ScopedTaskExecutor> executor,
+ const CancellationToken& token) noexcept {
+ return ExecutorFuture<void>(**executor)
+ .then([this, anchor = shared_from_this()] {
+ auto opCtxHolder = cc().makeOperationContext();
auto* opCtx = opCtxHolder.get();
- _forwardableOpMetadata.setOn(opCtx);
-
- auto distLockManager = DistLockManager::get(opCtx->getServiceContext());
- const auto dbDistLock =
- uassertStatusOK(distLockManager->lock(opCtx,
- _nss.db(),
- "RefineCollectionShardKey",
- DistLockManager::kDefaultLockTimeout));
- const auto collDistLock =
- uassertStatusOK(distLockManager->lock(opCtx,
- _nss.ns(),
- "RefineCollectionShardKey",
- DistLockManager::kDefaultLockTimeout));
+ getForwardableOpMetadata().setOn(opCtx);
const auto cm = uassertStatusOK(
- Grid::get(opCtx)->catalogCache()->getShardedCollectionRoutingInfoWithRefresh(opCtx,
- _nss));
+ Grid::get(opCtx)->catalogCache()->getShardedCollectionRoutingInfoWithRefresh(
+ opCtx, nss()));
ConfigsvrRefineCollectionShardKey configsvrRefineCollShardKey(
- _nss, _newShardKey.toBSON(), cm.getVersion().epoch());
- configsvrRefineCollShardKey.setDbName(_nss.db().toString());
+ nss(), _newShardKey.toBSON(), cm.getVersion().epoch());
+ configsvrRefineCollShardKey.setDbName(nss().db().toString());
// TODO SERVER-54810 don't set `setIsFromPrimaryShard` once 5.0 becomes last-LTS
configsvrRefineCollShardKey.setIsFromPrimaryShard(true);
auto configShard = Grid::get(opCtx)->shardRegistry()->getConfigShard();
- auto cmdResponse = uassertStatusOK(configShard->runCommandWithFixedRetryAttempts(
- opCtx,
- ReadPreferenceSetting(ReadPreference::PrimaryOnly),
- "admin",
- CommandHelpers::appendMajorityWriteConcern(configsvrRefineCollShardKey.toBSON({}),
- opCtx->getWriteConcern()),
- Shard::RetryPolicy::kIdempotent));
-
- uassertStatusOK(cmdResponse.commandStatus);
- uassertStatusOK(cmdResponse.writeConcernStatus);
+
+ try {
+ auto cmdResponse = uassertStatusOK(configShard->runCommandWithFixedRetryAttempts(
+ opCtx,
+ ReadPreferenceSetting(ReadPreference::PrimaryOnly),
+ NamespaceString::kAdminDb.toString(),
+ CommandHelpers::appendMajorityWriteConcern(
+ configsvrRefineCollShardKey.toBSON({}), opCtx->getWriteConcern()),
+ Shard::RetryPolicy::kIdempotent));
+
+ uassertStatusOK(cmdResponse.commandStatus);
+ uassertStatusOK(cmdResponse.writeConcernStatus);
+ } catch (const DBException&) {
+ _completeOnError = true;
+ throw;
+ }
})
.onError([this, anchor = shared_from_this()](const Status& status) {
LOGV2_ERROR(5277700,
"Error running refine collection shard key",
- "namespace"_attr = _nss,
+ "namespace"_attr = nss(),
"error"_attr = redact(status));
return status;
- })
- .semi();
+ });
}
} // namespace mongo
diff --git a/src/mongo/db/s/refine_collection_shard_key_coordinator.h b/src/mongo/db/s/refine_collection_shard_key_coordinator.h
index 417278bd008..6a0468facd3 100644
--- a/src/mongo/db/s/refine_collection_shard_key_coordinator.h
+++ b/src/mongo/db/s/refine_collection_shard_key_coordinator.h
@@ -30,23 +30,27 @@
#pragma once
#include "mongo/db/keypattern.h"
+#include "mongo/db/s/refine_collection_shard_key_coordinator_document_gen.h"
#include "mongo/db/s/sharding_ddl_coordinator.h"
namespace mongo {
-class RefineCollectionShardKeyCoordinator final
- : public ShardingDDLCoordinator_NORESILIENT,
- public std::enable_shared_from_this<RefineCollectionShardKeyCoordinator> {
+class RefineCollectionShardKeyCoordinator final : public ShardingDDLCoordinator {
public:
- RefineCollectionShardKeyCoordinator(OperationContext* opCtx,
- const NamespaceString& nss,
- const KeyPattern newShardKey);
+ RefineCollectionShardKeyCoordinator(ShardingDDLCoordinatorService* service,
+ const BSONObj& initialState);
-private:
- SemiFuture<void> runImpl(std::shared_ptr<executor::TaskExecutor> executor) override;
+ void checkIfOptionsConflict(const BSONObj& coorDoc) const override;
+
+ boost::optional<BSONObj> reportForCurrentOp(
+ MongoProcessInterface::CurrentOpConnectionsMode connMode,
+ MongoProcessInterface::CurrentOpSessionsMode sessionMode) noexcept override;
- ServiceContext* _serviceContext;
+private:
+ ExecutorFuture<void> _runImpl(std::shared_ptr<executor::ScopedTaskExecutor> executor,
+ const CancellationToken& token) noexcept override;
+ RefineCollectionShardKeyCoordinatorDocument _doc;
const KeyPattern _newShardKey;
};
diff --git a/src/mongo/db/s/refine_collection_shard_key_coordinator_document.idl b/src/mongo/db/s/refine_collection_shard_key_coordinator_document.idl
new file mode 100644
index 00000000000..4fa8173b6b2
--- /dev/null
+++ b/src/mongo/db/s/refine_collection_shard_key_coordinator_document.idl
@@ -0,0 +1,47 @@
+# 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.
+#
+
+# This file defines the format of documents stored in config.ddl.refineCollectionShardKey, used by the
+# shard coordinator to serialize with other DDL operations.
+
+global:
+ cpp_namespace: "mongo"
+
+imports:
+ - "mongo/idl/basic_types.idl"
+ - "mongo/db/s/sharding_ddl_coordinator.idl"
+ - "mongo/s/request_types/sharded_ddl_commands.idl"
+
+structs:
+ RefineCollectionShardKeyCoordinatorDocument:
+ description: "Object with neccessary fields to refine a collection's shard key"
+ generate_comparison_operators: false
+ strict: true
+ chained_structs:
+ ShardingDDLCoordinatorMetadata: ShardingDDLCoordinatorMetadata
+ RefineCollectionShardKeyRequest: RefineCollectionShardKeyRequest
diff --git a/src/mongo/db/s/sharding_ddl_coordinator.idl b/src/mongo/db/s/sharding_ddl_coordinator.idl
index 3a28d9f2e67..57ff72c6a87 100644
--- a/src/mongo/db/s/sharding_ddl_coordinator.idl
+++ b/src/mongo/db/s/sharding_ddl_coordinator.idl
@@ -46,6 +46,7 @@ enums:
kDropCollection: "dropCollection"
kRenameCollection: "renameCollection"
kCreateCollection: "createCollection"
+ kRefineCollectionShardKey: "refineCollectionShardKey"
types:
ForwardableOperationMetadata:
diff --git a/src/mongo/db/s/sharding_ddl_coordinator_service.cpp b/src/mongo/db/s/sharding_ddl_coordinator_service.cpp
index ae27f9ff9eb..1cbd546a6f5 100644
--- a/src/mongo/db/s/sharding_ddl_coordinator_service.cpp
+++ b/src/mongo/db/s/sharding_ddl_coordinator_service.cpp
@@ -45,6 +45,7 @@
#include "mongo/db/s/create_collection_coordinator.h"
#include "mongo/db/s/drop_collection_coordinator.h"
#include "mongo/db/s/drop_database_coordinator.h"
+#include "mongo/db/s/refine_collection_shard_key_coordinator.h"
#include "mongo/db/s/rename_collection_coordinator.h"
namespace mongo {
@@ -67,6 +68,10 @@ std::shared_ptr<ShardingDDLCoordinator> constructShardingDDLCoordinatorInstance(
case DDLCoordinatorTypeEnum::kCreateCollection:
return std::make_shared<CreateCollectionCoordinator>(service, std::move(initialState));
break;
+ case DDLCoordinatorTypeEnum::kRefineCollectionShardKey:
+ return std::make_shared<RefineCollectionShardKeyCoordinator>(service,
+ std::move(initialState));
+ break;
default:
uasserted(ErrorCodes::BadValue,
str::stream()
diff --git a/src/mongo/db/s/shardsvr_refine_collection_shard_key_command.cpp b/src/mongo/db/s/shardsvr_refine_collection_shard_key_command.cpp
index f67a70f8312..e3e4d41d6a3 100644
--- a/src/mongo/db/s/shardsvr_refine_collection_shard_key_command.cpp
+++ b/src/mongo/db/s/shardsvr_refine_collection_shard_key_command.cpp
@@ -61,9 +61,16 @@ public:
using InvocationBase::InvocationBase;
void typedRun(OperationContext* opCtx) {
- auto refineCoordinator = std::make_shared<RefineCollectionShardKeyCoordinator>(
- opCtx, ns(), request().getNewShardKey());
- refineCoordinator->run(opCtx).get(opCtx);
+ auto coordinatorDoc = RefineCollectionShardKeyCoordinatorDocument();
+ coordinatorDoc.setShardingDDLCoordinatorMetadata(
+ {{ns(), DDLCoordinatorTypeEnum::kRefineCollectionShardKey}});
+ coordinatorDoc.setRefineCollectionShardKeyRequest(
+ request().getRefineCollectionShardKeyRequest());
+
+ auto service = ShardingDDLCoordinatorService::getService(opCtx);
+ auto refineCoordinator = checked_pointer_cast<RefineCollectionShardKeyCoordinator>(
+ service->getOrCreateInstance(opCtx, coordinatorDoc.toBSON()));
+ refineCoordinator->getCompletionFuture().get(opCtx);
}
bool supportsWriteConcern() const override {
diff --git a/src/mongo/s/commands/cluster_refine_collection_shard_key_cmd.cpp b/src/mongo/s/commands/cluster_refine_collection_shard_key_cmd.cpp
index ecd8266b483..ce3fa693d57 100644
--- a/src/mongo/s/commands/cluster_refine_collection_shard_key_cmd.cpp
+++ b/src/mongo/s/commands/cluster_refine_collection_shard_key_cmd.cpp
@@ -66,8 +66,10 @@ public:
}
// Send it to the primary shard
- ShardsvrRefineCollectionShardKey refineCollectionShardKeyCommand(nss,
- request().getKey());
+ RefineCollectionShardKeyRequest requestParamObj;
+ requestParamObj.setNewShardKey(request().getKey());
+ ShardsvrRefineCollectionShardKey refineCollectionShardKeyCommand(nss);
+ refineCollectionShardKeyCommand.setRefineCollectionShardKeyRequest(requestParamObj);
auto cmdResponse = executeCommandAgainstDatabasePrimary(
opCtx,
diff --git a/src/mongo/s/request_types/sharded_ddl_commands.idl b/src/mongo/s/request_types/sharded_ddl_commands.idl
index 81d2950189c..e736dedec09 100644
--- a/src/mongo/s/request_types/sharded_ddl_commands.idl
+++ b/src/mongo/s/request_types/sharded_ddl_commands.idl
@@ -125,6 +125,15 @@ structs:
description: "Latest version of the collection"
optional: false
+ RefineCollectionShardKeyRequest:
+ description: "Parameters sent by the router"
+ strict: false
+ fields:
+ newShardKey:
+ type: KeyPattern
+ description: "The index specification document to use as the new shard key."
+ optional: false
+
commands:
_shardsvrCreateCollection:
@@ -243,11 +252,8 @@ commands:
namespace: concatenate_with_db
api_version: ""
strict: false
- fields:
- newShardKey:
- type: KeyPattern
- description: "The index specification document to use as the new shard key."
- optional: false
+ chained_structs:
+ RefineCollectionShardKeyRequest: RefineCollectionShardKeyRequest
_configsvrCreateDatabase:
description: "The internal createDatabase command on the config server"