SERVER-46040 Maintain retry state across stale config retries for sharded drop indexes

(cherry picked from commit 5403488f656db357ce123f78cf25aa63a9e5aff8)

1 files changed, 38 insertions, 0 deletions

diff --git a/jstests/sharding/drop_indexes_with_stale_config_error.js b/jstests/sharding/drop_indexes_with_stale_config_error.js
new file mode 100644
index 00000000000..e523ab9533e
--- /dev/null
+++ b/jstests/sharding/drop_indexes_with_stale_config_error.js
@@ -0,0 +1,38 @@
+//
+// Tests that a StaleConfigError received from a shard on dropIndexes will allow the command to
+// successfully complete upon the mongos' command retry.
+//
+// @tags: [requires_fcv_44, multiversion_incompatible]
+//
+
+(function() {
+'use strict';
+
+load("jstests/sharding/libs/shard_versioning_util.js");
+load('jstests/sharding/libs/sharded_transactions_helpers.js');
+
+const st = new ShardingTest({mongos: 2, shards: 2});
+const dbName = jsTestName();
+const collName = "coll";
+const ns = dbName + "." + collName;
+const mongos0Coll = st.s0.getDB(dbName)[collName];
+const mongos1Coll = st.s1.getDB(dbName)[collName];
+
+// Shard the collection and create an index
+assert.commandWorked(st.s.adminCommand({enableSharding: dbName}));
+st.ensurePrimaryShard(dbName, st.shard0.shardName);
+assert.commandWorked(st.s.adminCommand({shardCollection: ns, key: {x: 1}}));
+assert.commandWorked(st.s.adminCommand({split: ns, middle: {x: 0}}));
+assert.commandWorked(st.s.adminCommand({moveChunk: ns, find: {x: 100}, to: st.shard1.shardName}));
+flushRoutersAndRefreshShardMetadata(st, {ns});
+
+assert.commandWorked(mongos0Coll.ensureIndex({x: 1}));
+
+// Move chunk without refreshing the recipient so that the recipient shard throws a
+// StaleShardVersion error upon receiving the drop index command.
+ShardVersioningUtil.moveChunkNotRefreshRecipient(st.s1, ns, st.shard1, st.shard0, {x: 100});
+
+assert.commandWorked(mongos0Coll.dropIndexes({x: 1}));
+
+st.stop();
+})();