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/**
* Tests that if maxTimeMS is sent with a moveChunk command, the client thread that issued moveChunk
* will be interrupted when maxTimeMS is exceeded, but moveChunk will eventually succeed in the
* background.
*/
(function() {
"use strict";
load("jstests/libs/fail_point_util.js");
load('jstests/libs/parallel_shell_helpers.js');
load("jstests/sharding/libs/find_chunks_util.js");
var st = new ShardingTest({shards: 2});
const dbName = "test";
const collName = "foo";
const ns = dbName + "." + collName;
let testDB = st.s.getDB(dbName);
let testColl = testDB.foo;
// Create a sharded collection with one chunk on shard0.
assert.commandWorked(st.s.adminCommand({enableSharding: dbName}));
assert.commandWorked(st.s.adminCommand({movePrimary: dbName, to: st.shard0.shardName}));
assert.commandWorked(st.s.adminCommand({shardCollection: ns, key: {x: 1}}));
// Enable failpoint which will cause moveChunk to hang indefinitely.
let step1Failpoint = configureFailPoint(st.shard0, "moveChunkHangAtStep1");
const awaitResult = startParallelShell(
funWithArgs(function(ns, toShardName) {
// Send moveChunk with maxTimeMS. We set it to 15 seconds to ensure that the moveChunk
// command is run and the task to execute the moveChunk logic is launched before maxTimeMS
// expires. That way we can check below that a maxTimeMS timeout won't fail the migration.
assert.commandFailedWithCode(
db.adminCommand({moveChunk: ns, find: {x: 0}, to: toShardName, maxTimeMS: 15000}),
ErrorCodes.MaxTimeMSExpired);
}, ns, st.shard1.shardName), st.s.port);
awaitResult();
step1Failpoint.off();
jsTestLog("Waiting for moveChunk to succeed in the background");
// The moveChunk should eventually succeed in the background even though the client thread was
// interrupted.
assert.soon(() => {
var numChunksOnShard0 =
findChunksUtil.findChunksByNs(st.config, ns, {shard: st.shard0.shardName}).itcount();
var numChunksOnShard1 =
findChunksUtil.findChunksByNs(st.config, ns, {shard: st.shard1.shardName}).itcount();
return numChunksOnShard0 == 0 && numChunksOnShard1 == 1;
});
st.stop();
})();
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