summaryrefslogtreecommitdiff
path: root/src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp')
-rw-r--r--src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp b/src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp
new file mode 100644
index 00000000000..22f9ccf7525
--- /dev/null
+++ b/src/mongo/s/commands/cluster_repair_sharded_collection_chunks_history_cmd.cpp
@@ -0,0 +1,122 @@
+
+/**
+ * Copyright (C) 2021 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_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/db/audit.h"
+#include "mongo/db/auth/action_set.h"
+#include "mongo/db/auth/action_type.h"
+#include "mongo/db/auth/authorization_manager.h"
+#include "mongo/db/auth/authorization_session.h"
+#include "mongo/db/client.h"
+#include "mongo/db/commands.h"
+#include "mongo/s/grid.h"
+
+namespace mongo {
+namespace {
+
+class RepairShardedCollectionChunksHistoryCommand : public BasicCommand {
+public:
+ RepairShardedCollectionChunksHistoryCommand()
+ : BasicCommand("repairShardedCollectionChunksHistory") {}
+
+ AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
+ return AllowedOnSecondary::kAlways;
+ }
+
+ bool adminOnly() const override {
+ return true;
+ }
+
+ bool supportsWriteConcern(const BSONObj& cmd) const override {
+ return false;
+ }
+
+ std::string help() const override {
+ return "Administrative command to repair the effects of SERVER-62065. If the collection "
+ "has been upgraded through a cluster comprised of binaries which do not contain "
+ "this command, the chunks cache collections on the shards will miss history "
+ "entries. This command will correct that and will mark such collections as "
+ "correctly repaired, so that a subsequent invocation will not cause any changes to "
+ "the routing information. In rare cases where the history entries are missing due "
+ "to corrupted restore, the 'force:true' parameter can be passed which will force "
+ "all history entries to be re-added.";
+ }
+
+ // The command intentionally uses the permission control of split/mergeChunks since it only
+ // modifies the contents of chunk entries and increments the collection/shard versions without
+ // causing any data placement changes
+ Status checkAuthForCommand(Client* client,
+ const std::string& dbname,
+ const BSONObj& cmdObj) const override {
+ if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
+ ResourcePattern::forExactNamespace(NamespaceString(parseNs(dbname, cmdObj))),
+ ActionType::splitChunk)) {
+ return Status(ErrorCodes::Unauthorized, "Unauthorized");
+ }
+ return Status::OK();
+ }
+
+ std::string parseNs(const std::string& unusedDbName, const BSONObj& cmdObj) const override {
+ return CommandHelpers::parseNsFullyQualified(cmdObj);
+ }
+
+ bool run(OperationContext* opCtx,
+ const std::string& unusedDbName,
+ const BSONObj& cmdObj,
+ BSONObjBuilder& result) override {
+ const NamespaceString nss{parseNs(unusedDbName, cmdObj)};
+
+ BSONObjBuilder cmdBuilder(
+ BSON("_configsvrRepairShardedCollectionChunksHistory" << nss.ns()));
+ if (cmdObj["force"].booleanSafe())
+ cmdBuilder.appendBool("force", true);
+
+ auto configShard = Grid::get(opCtx)->shardRegistry()->getConfigShard();
+ auto cmdResponse = uassertStatusOK(configShard->runCommandWithFixedRetryAttempts(
+ opCtx,
+ ReadPreferenceSetting{ReadPreference::PrimaryOnly},
+ "admin",
+ cmdBuilder.obj(),
+ Shard::RetryPolicy::kIdempotent));
+ uassertStatusOK(cmdResponse.commandStatus);
+
+ // Append any return value from the response, which the config server returned
+ CommandHelpers::filterCommandReplyForPassthrough(cmdResponse.response, &result);
+
+ return true;
+ }
+
+} repairShardedCollectionChunksHistoryCommand;
+
+} // namespace
+} // namespace mongo