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/*
* Test to verify when majority commit quorum is enabled for index build, the primary index builder
* should not commit the index until majority of nodes finishes building their index.
*/
(function() {
"use strict";
load("jstests/replsets/rslib.js");
load('jstests/noPassthrough/libs/index_build.js');
var rst = new ReplSetTest({nodes: [{}, {rsConfig: {priority: 0}}]});
rst.startSet();
rst.initiate();
const dbName = jsTest.name();
const collName = "coll";
const indexName = "x_1";
const primary = rst.getPrimary();
const secondary = rst.getSecondary();
const primaryDB = primary.getDB(dbName);
const primaryColl = primaryDB[collName];
const OplogColl = primary.getDB("local")["oplog.rs"];
const docFilter = {
"ns": dbName + ".$cmd",
"o.commitIndexBuild": {$exists: true},
"o.indexes.0.name": indexName
};
jsTestLog("Do some document writes.");
assert.commandWorked(
primaryColl.insert({_id: 0, x: 0}, {"writeConcern": {"w": "majority"}}));
rst.awaitReplication();
function isIndexBuildInProgress(conn, indexName) {
jsTestLog("Running collection stats on " + conn.host);
const coll = conn.getDB(dbName)[collName];
var stats = assert.commandWorked(coll.stats());
return Array.contains(stats["indexBuilds"], indexName);
}
function sanityChecks() {
// Check to see commitIndexBuild oplog entry is not present.
assert.isnull(OplogColl.findOne(docFilter),
"Able to find commitIndexBuild oplog entry. Filter:" + tojson(docFilter));
// Check if the index build is in progress on both the nodes.
assert.eq(true, isIndexBuildInProgress(primary, indexName));
assert.eq(true, isIndexBuildInProgress(secondary, indexName));
// Check if 'x_1' index is not yet ready.
IndexBuildTest.assertIndexes(primaryColl, 2, ['_id_'], ['x_1']);
}
function pauseIndexBuild(conn, failpoint) {
assert.commandWorked(conn.adminCommand({configureFailPoint: failpoint, mode: 'alwaysOn'}));
}
function resumeIndexBuild(conn, failpoint) {
assert.commandWorked(conn.adminCommand({configureFailPoint: failpoint, mode: 'off'}));
}
function createIndex(dbName, collName, indexName) {
jsTestLog("Create index '" + indexName + "'.");
assert.commandWorked(db.getSiblingDB(dbName).runCommand({
createIndexes: collName,
indexes: [{name: indexName, key: {x: 1}}],
commitQuorum: "majority"
}));
}
// Make secondary index build to hang after collection scan phase.
pauseIndexBuild(secondary, "hangAfterIndexBuildDumpsInsertsFromBulk");
// Start the index build on primary in parallel shell.
const joinCreateIndexThread =
startParallelShell(funWithArgs(createIndex, dbName, collName, indexName), primary.port);
jsTestLog("Waiting for Collection scan phase to complete");
checkLog.contains(secondary, "Hanging after dumping inserts from bulk builder");
sanityChecks();
pauseIndexBuild(secondary, "hangAfterIndexBuildFirstDrain");
resumeIndexBuild(secondary, "hangAfterIndexBuildDumpsInsertsFromBulk");
jsTestLog("Waiting for first drain phase to complete");
checkLog.contains(secondary, "Hanging after index build first drain");
sanityChecks();
// Make secondary to resume index build. This should allow secondary to vote
// and make primary to commit index build.
resumeIndexBuild(secondary, "hangAfterIndexBuildFirstDrain");
jsTestLog("Wait for create index thread to join");
joinCreateIndexThread();
rst.awaitReplication();
jsTestLog("Check Primary to see if it contains 'commitIndexBuild' oplog entry ");
assert(OplogColl.findOne(docFilter),
"Not able to find a matching oplog entry. Filter:" + tojson(docFilter));
// Sanity checks to see if the index build still runs on primary and secondary.
assert.eq(false, isIndexBuildInProgress(primary, indexName));
assert.eq(false, isIndexBuildInProgress(secondary, indexName));
// check to see if the index was successfully created.
IndexBuildTest.assertIndexes(primaryColl, 2, ['_id_', 'x_1']);
rst.stopSet();
})();
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