SERVER-36257 Remove copyDB and clone commands

1 files changed, 16 insertions, 0 deletions

diff --git a/jstests/sharding/libs/last_stable_mongos_commands.js b/jstests/sharding/libs/last_stable_mongos_commands.js
new file mode 100644
index 00000000000..43a1da0acfa
--- /dev/null
+++ b/jstests/sharding/libs/last_stable_mongos_commands.js
@@ -0,0 +1,16 @@
+// These commands were removed from mongos 4.2, but will still appear in the listCommands output
+// of a 4.0 mongos. A last-stable mongos will be unable to run a command on a latest version shard
+// that no longer supports that command. To increase test coverage and allow us to run on same- and
+// mixed-version suites, we allow these commands to have a test defined without always existing on
+// the servers being used.
+const commandsRemovedFromMongosIn42 = [
+    'copydb',
+    'eval',
+    'geoNear',
+    'group',
+    'reIndex',
+];
+// These commands were added in mongos 4.2, so will not appear in the listCommands output of a 4.0
+// mongos. We will allow these commands to have a test defined without always existing on the mongos
+// being used.
+const commandsAddedToMongosIn42 = ['abortTransaction', 'commitTransaction'];