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/**
* Tests the scenario where a chunk is being moved to a shard that is about to be removed.
*
* SERVER-32553 `removeShard` command is not idempotent for the purposes of the
* sharding continuous config stepdown suite.
* @tags: [
* does_not_support_stepdowns,
* ]
*/
(function() {
"use strict";
load('jstests/libs/chunk_manipulation_util.js');
load('jstests/sharding/libs/remove_shard_util.js');
load('jstests/libs/fail_point_util.js');
// TODO SERVER-50144 Remove this and allow orphan checking.
// This test calls removeShard which can leave docs in config.rangeDeletions in state "pending",
// therefore preventing orphans from being cleaned up.
TestData.skipCheckOrphans = true;
// For startParallelOps to write its state
let staticMongod = MongoRunner.runMongod({});
let st = new ShardingTest({shards: 2});
assert.commandWorked(st.s.adminCommand({enableSharding: 'test'}));
st.ensurePrimaryShard('test', st.shard0.shardName);
assert.commandWorked(st.s.adminCommand({shardCollection: 'test.user', key: {x: 1}}));
assert.commandWorked(st.s.adminCommand({split: 'test.user', middle: {x: 0}}));
pauseMoveChunkAtStep(st.shard0, moveChunkStepNames.reachedSteadyState);
configureFailPointForRS(
st.configRS.nodes, 'overrideBalanceRoundInterval', {intervalMs: 200}, 'alwaysOn');
let joinMoveChunk = moveChunkParallel(staticMongod,
st.s.host,
{x: 0},
null,
'test.user',
st.shard1.shardName,
false /**parallel should expect failure */);
waitForMoveChunkStep(st.shard0, moveChunkStepNames.reachedSteadyState);
removeShard(st, st.shard1.shardName);
unpauseMoveChunkAtStep(st.shard0, moveChunkStepNames.reachedSteadyState);
// moveChunk will fail because the destination shard no longer exists.
joinMoveChunk();
// All shard0 should now own all chunks
st.s.getDB('config').chunks.find().forEach(function(chunk) {
assert.eq(st.shard0.shardName, chunk.shard, tojson(chunk));
});
st.stop();
MongoRunner.stopMongod(staticMongod);
})();
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