Courtesy of max.hirschhorn,
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diff --git a/jstests/libs/override_methods/sharding_continuous_config_stepdown.js b/jstests/libs/override_methods/sharding_continuous_config_stepdown.js index 638dc8b..7d3039e 100644 --- a/jstests/libs/override_methods/sharding_continuous_config_stepdown.js +++ b/jstests/libs/override_methods/sharding_continuous_config_stepdown.js @@ -251,6 +251,29 @@ tracking: {verbosity: 0} }"; // Start the continuous config server stepdown thread this.configRS.startContinuousFailover(); + + // We override the functions on Mongo.prototype that send data over the wire to prevent a + // test from running a command directly against the config servers and causing a spurious + // network error if it coincided with a stepdown. + this.configRS.nodes.forEach(function overrideConnectionMethods(node) { + var methodsToOverride = [ + "find", + "insert", + "remove", + "runCommand", + "runCommandWithMetadata", + "update", + ]; + + methodsToOverride.forEach(function overrideMethod(name) { + node[name] = function throwError() { + throw new Error( + "Cowardly refusing to talk directly to the config servers while running" + + " with the sharding_continuous_config_stepdown.js override enabled since" + + " it may lead to a spurious network error."); + }; + }); + }); }; Object.extend(ShardingTest, originalShardingTest);
This would catch future JS test additions that can lead to BFs – these operations directly against the config primary, rather than via the mongos, are currently not retriable.
- is related to
-
SERVER-28351 blacklist move_stale_mongos.js and split_stale_mongos.js from the continuous stepdown suite
- Closed
- related to
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SERVER-92339 Test runner can fail on network errors when talking directly to config shard in continuous config stepdown suite
- Closed