SERVER-7612 explicit primary read pref does not work well with shard versioning

Ensure that selectNodeUsingTags will use the same connection to the primary with checkMaster

1 files changed, 34 insertions, 0 deletions

diff --git a/jstests/sharding/read_pref_multi_mongos_stale_config.js b/jstests/sharding/read_pref_multi_mongos_stale_config.js
new file mode 100644
index 00000000000..1556adef9e8
--- /dev/null
+++ b/jstests/sharding/read_pref_multi_mongos_stale_config.js
@@ -0,0 +1,34 @@
+var st = new ShardingTest({ shards: { rs0: { quiet: '' }, rs1: { quiet: '' }}, mongos: 2 });
+
+var testDB1 = st.s0.getDB('test');
+var testDB2 = st.s1.getDB('test');
+
+// Trigger a query on mongos 1 so it will have a view of test.user as being unsharded.
+testDB1.user.findOne();
+
+testDB2.adminCommand({ enableSharding: 'test' });
+testDB2.adminCommand({ shardCollection: 'test.user', key: { x: 1 }});
+
+testDB2.adminCommand({ split: 'test.user', middle: { x: 100 }});
+
+var configDB2 = st.s1.getDB('config');
+var chunkToMove = configDB2.chunks.find().sort({ min: 1 }).next();
+var toShard = configDB2.shards.findOne({ _id: { $ne: chunkToMove.shard }})._id;
+testDB2.adminCommand({ moveChunk: 'test.user', to: toShard, find: { x: 50 }});
+
+for (var x = 0; x < 200; x++) {
+    testDB2.user.insert({ x: x });
+}
+
+testDB2.runCommand({ getLastError: 1 });
+
+var cursor = testDB1.user.find({ x: 30 }).readPref('primary');
+assert(cursor.hasNext());
+assert.eq(30, cursor.next().x);
+
+cursor = testDB1.user.find({ x: 130 }).readPref('primary');
+assert(cursor.hasNext());
+assert.eq(130, cursor.next().x);
+
+st.stop();
+