1 files changed, 17 insertions, 0 deletions
diff --git a/src/mongo/s/chunk_manager.h b/src/mongo/s/chunk_manager.h
index d3a67ff1631..6b4f97766ca 100644
--- a/src/mongo/s/chunk_manager.h
+++ b/src/mongo/s/chunk_manager.h
@@ -144,8 +144,19 @@ public:
         return _collectionVersion;
     }
 
+    /**
+     * Retrieves the shard version for the given shard. Will throw a ShardInvalidatedForTargeting
+     * exception if the shard is marked as stale.
+     */
     ChunkVersion getVersion(const ShardId& shardId) const;
 
+    /**
+     * Retrieves the shard version for the given shard. Will not throw if the shard is marked as
+     * stale. Only use when logging the given chunk version -- if the caller must execute logic
+     * based on the returned version, use getVersion() instead.
+     */
+    ChunkVersion getVersionForLogging(const ShardId& shardId) const;
+
     const ChunkInfoMap& getChunkMap() const {
         return _chunkMap;
     }
@@ -193,6 +204,8 @@ private:
      */
     ShardVersionMap _constructShardVersionMap() const;
 
+    ChunkVersion _getVersion(const ShardId& shardName, bool throwOnStaleShard) const;
+
     std::string _extractKeyString(const BSONObj& shardKeyValue) const;
 
     // The shard versioning mechanism hinges on keeping track of the number of times we reload
@@ -317,6 +330,10 @@ public:
         return _rt->getVersion(shardId);
     }
 
+    ChunkVersion getVersionForLogging(const ShardId& shardId) const {
+        return _rt->getVersionForLogging(shardId);
+    }
+
     ConstRangeOfChunks chunks() const {
         return {ConstChunkIterator{_rt->getChunkMap().cbegin(), _clusterTime},
                 ConstChunkIterator{_rt->getChunkMap().cend(), _clusterTime}};