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// When a migration between shard0 and shard1 is about to enter the commit phase, a commit command
// with different migration session ID is rejected.
load('./jstests/libs/chunk_manipulation_util.js');
(function() {
"use strict";
var staticMongod = MongoRunner.runMongod({}); // For startParallelOps.
var st = new ShardingTest({shards: 2});
var mongos = st.s0, admin = mongos.getDB('admin'), dbName = "testDB", ns1 = dbName + ".foo",
coll1 = mongos.getCollection(ns1), shard0 = st.shard0, shard1 = st.shard1,
shard0Coll1 = shard0.getCollection(ns1), shard1Coll1 = shard1.getCollection(ns1);
assert.commandWorked(admin.runCommand({enableSharding: dbName}));
st.ensurePrimaryShard(dbName, st.shard0.shardName);
assert.commandWorked(admin.runCommand({shardCollection: ns1, key: {a: 1}}));
assert.writeOK(coll1.insert({a: 0}));
assert.eq(1, shard0Coll1.find().itcount());
assert.eq(0, shard1Coll1.find().itcount());
assert.eq(1, coll1.find().itcount());
// Shard0:
// coll1: [-inf, +inf)
// Shard1:
jsTest.log("Set up complete, now proceeding to test that migration interruption fails.");
// Start a migration between shard0 and shard1 on coll1, pause in steady state before commit.
pauseMoveChunkAtStep(shard0, moveChunkStepNames.reachedSteadyState);
var joinMoveChunk = moveChunkParallel(
staticMongod, st.s0.host, {a: 0}, null, coll1.getFullName(), st.shard1.shardName);
waitForMoveChunkStep(shard0, moveChunkStepNames.reachedSteadyState);
jsTest.log('Sending false commit command....');
assert.commandFailed(
shard1.adminCommand({'_recvChunkCommit': 1, 'sessionId': "fake-migration-session-id"}));
jsTest.log("Checking migration recipient is still in steady state, waiting for commit....");
var res = shard1.adminCommand('_recvChunkStatus');
assert.commandWorked(res);
assert.eq(true, res.state === "steady", "False commit command succeeded.");
// Finish migration.
unpauseMoveChunkAtStep(shard0, moveChunkStepNames.reachedSteadyState);
assert.doesNotThrow(function() {
joinMoveChunk();
});
assert.eq(0, shard0Coll1.find().itcount());
assert.eq(1, shard1Coll1.find().itcount());
st.stop();
MongoRunner.stopMongod(staticMongod);
})();
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