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/**
* Ensures that the 'buildUUID' is present for in-progress indexes when using the 'listIndexes()'
* command.
* @tags: [
* requires_replication,
* ]
*/
(function() {
'use strict';
load('jstests/noPassthrough/libs/index_build.js');
const dbName = "test";
const collName = "coll";
const firstIndexName = "first";
const secondIndexName = "second";
function addTestDocuments(db) {
let size = 100;
jsTest.log("Creating " + size + " test documents.");
var bulk = db.getCollection(collName).initializeUnorderedBulkOp();
for (var i = 0; i < size; ++i) {
bulk.insert({i: i, j: i * i});
}
assert.commandWorked(bulk.execute());
}
const replSet = new ReplSetTest({
nodes: [
{},
{
// Disallow elections on secondary.
rsConfig: {
priority: 0,
votes: 0,
},
slowms: 30000, // Don't log slow operations on secondary. See SERVER-44821.
},
]
});
const nodes = replSet.startSet();
replSet.initiate();
let primary = replSet.getPrimary();
let primaryDB = primary.getDB(dbName);
let secondary = replSet.getSecondary();
let secondaryDB = secondary.getDB(dbName);
addTestDocuments(primaryDB);
replSet.awaitReplication();
// Build and finish the first index.
assert.commandWorked(primaryDB.runCommand(
{createIndexes: collName, indexes: [{key: {i: 1}, name: firstIndexName, background: true}]}));
replSet.awaitReplication();
// Start hanging index builds on the secondary.
IndexBuildTest.pauseIndexBuilds(secondary);
// With storage engines that do not support snapshot reads, the commitIndexBuild oplog entry may
// block the listIndexes command on the secondary during oplog application because it will hold the
// PBWM while waiting for the index build to complete in the backgroud. Therefore, we get the
// primary to hold off on writing the commitIndexBuild oplog entry until we are ready to resume
// index builds on the secondary.
IndexBuildTest.pauseIndexBuilds(primary);
// Build and hang on the second index. This should be run in the background if we pause index
// builds on the primary because the createIndexes command will block.
const coll = primaryDB.getCollection(collName);
const createIdx =
IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {j: 1}, {name: secondIndexName});
// Wait for index builds to start on the secondary.
const opId = IndexBuildTest.waitForIndexBuildToStart(secondaryDB);
jsTestLog('Index builds started on secondary. Op ID of one of the builds: ' + opId);
// Retry until the oplog applier is done with the entry, and the index is visible to listIndexes.
// waitForIndexBuildToStart does not ensure this.
var res;
var indexes;
assert.soon(
function() {
// Check the listIndexes() output.
res = assert.commandWorked(
secondaryDB.runCommand({listIndexes: collName, includeBuildUUIDs: true}));
indexes = res.cursor.firstBatch;
return 3 == indexes.length;
},
function() {
return tojson(res);
});
jsTest.log(indexes);
assert.eq(indexes[0].name, "_id_");
assert.eq(indexes[1].name, "first");
assert.eq(indexes[2].spec.name, "second");
assert(indexes[2].hasOwnProperty("buildUUID"));
// Allow the replica set to finish the index build.
IndexBuildTest.resumeIndexBuilds(secondary);
// Wait for the index build to complete on the primary if we paused it.
IndexBuildTest.resumeIndexBuilds(primary);
createIdx();
replSet.stopSet();
}());
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