SERVER-42397 Log refineCollectionShardKey in the audit log

3 files changed, 14 insertions, 0 deletions

diff --git a/src/mongo/db/audit.cpp b/src/mongo/db/audit.cpp
index 81bb38b720d..e304d566339 100644
--- a/src/mongo/db/audit.cpp
+++ b/src/mongo/db/audit.cpp
@@ -172,4 +172,8 @@ void mongo::audit::logShardCollection(Client* client,
                                       const BSONObj& keyPattern,
                                       bool unique) {}
 
+void mongo::audit::logRefineCollectionShardKey(Client* client,
+                                               StringData ns,
+                                               const BSONObj& keyPattern) {}
+
 #endif
diff --git a/src/mongo/db/audit.h b/src/mongo/db/audit.h
index d73a9101367..048d5d882d3 100644
--- a/src/mongo/db/audit.h
+++ b/src/mongo/db/audit.h
@@ -315,5 +315,10 @@ void logRemoveShard(Client* client, StringData shardname);
  */
 void logShardCollection(Client* client, StringData ns, const BSONObj& keyPattern, bool unique);
 
+/**
+ * Logs the result of a refineCollectionShardKey event.
+ */
+void logRefineCollectionShardKey(Client* client, StringData ns, const BSONObj& keyPattern);
+
 }  // namespace audit
 }  // namespace mongo
diff --git a/src/mongo/db/s/config/configsvr_refine_collection_shard_key_command.cpp b/src/mongo/db/s/config/configsvr_refine_collection_shard_key_command.cpp
index ff1334ef1ed..acddb4be4e8 100644
--- a/src/mongo/db/s/config/configsvr_refine_collection_shard_key_command.cpp
+++ b/src/mongo/db/s/config/configsvr_refine_collection_shard_key_command.cpp
@@ -31,6 +31,7 @@
 
 #include "mongo/platform/basic.h"
 
+#include "mongo/db/audit.h"
 #include "mongo/db/auth/authorization_session.h"
 #include "mongo/db/commands.h"
 #include "mongo/db/repl/repl_client_info.h"
@@ -141,6 +142,10 @@ public:
                                                                  collType.getUnique(),
                                                                  false);  // createIndexIfPossible
 
+            LOG(0) << "CMD: refineCollectionShardKey: " << request().toBSON({});
+
+            audit::logRefineCollectionShardKey(opCtx->getClient(), nss.ns(), proposedKey);
+
             ShardingCatalogManager::get(opCtx)->refineCollectionShardKey(
                 opCtx, nss, newShardKeyPattern);
         }