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/*
* Tests that an index build fails gracefully as it is interrupted just before it signals that it
* is ready to commit by updating the corresponding document in config.system.indexBuilds.
*
* @tags: [
* requires_replication,
* ]
*/
(function() {
'use strict';
load('jstests/libs/fail_point_util.js');
load('jstests/noPassthrough/libs/index_build.js');
const rst = new ReplSetTest({nodes: 1});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const testDB = primary.getDB('test');
const coll = testDB.getCollection('coll');
const indexBuildsColl = primary.getCollection('config.system.indexBuilds');
assert.commandWorked(coll.insert({_id: 1, a: 1}));
// Enable fail point which makes index build hang before it reads the index build
const failPoint = configureFailPoint(primary, 'hangBeforeGettingIndexBuildEntry');
const createIndex = IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {a: 1}, {}, [
ErrorCodes.IndexBuildAborted,
ErrorCodes.NoMatchingDocument
]);
failPoint.wait();
// Index build should be present in the config.system.indexBuilds collection.
const indexMap =
IndexBuildTest.assertIndexes(coll, 2, ['_id_'], ['a_1'], {includeBuildUUIDs: true});
const indexBuildUUID = indexMap['a_1'].buildUUID;
assert(indexBuildsColl.findOne({_id: indexBuildUUID}));
// Abort the index build. It will remove the document for the index build from the
// config.system.indexBuilds collection.
jsTestLog('Aborting the index build');
const abortIndexThread = startParallelShell('assert.commandWorked(db.getMongo().getCollection("' +
coll.getFullName() + '").dropIndex("a_1"))',
primary.port);
checkLog.containsJson(primary, 4656010);
// Unblock the index build and wait for the threads to join.
failPoint.off();
abortIndexThread();
// Index build should be removed from the config.system.indexBuilds collection.
assert.isnull(indexBuildsColl.findOne({_id: indexBuildUUID}));
createIndex();
jsTestLog('Waiting for index build to complete');
IndexBuildTest.waitForIndexBuildToStop(testDB, coll.getName(), 'a_1');
IndexBuildTest.assertIndexes(coll, 1, ['_id_']);
rst.stopSet();
})();
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