81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
/**
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* Starts a replica set with arbiter, build an index
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* drop index once secondary starts building index,
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* index should not exist on secondary afterwards
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*/
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function indexBuildInProgress(checkDB) {
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var inprog = checkDB.currentOp().inprog;
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var indexOps = inprog.filter(function(op) {
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if (op.msg && op.msg.includes('Index Build')) {
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if (op.progress && (op.progress.done / op.progress.total) > 0.20) {
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printjson(op);
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return true;
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}
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}
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});
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return indexOps.length > 0;
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}
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// Set up replica set
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var replTest = new ReplSetTest({name: 'fgIndex', nodes: 3});
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var nodes = replTest.nodeList();
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// We need an arbiter to ensure that the primary doesn't step down when we restart the secondary.
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replTest.startSet();
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replTest.initiate({
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"_id": "fgIndex",
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"members": [
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{"_id": 0, "host": nodes[0]},
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{"_id": 1, "host": nodes[1]},
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{"_id": 2, "host": nodes[2], "arbiterOnly": true}
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]
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});
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var master = replTest.getPrimary();
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var second = replTest.getSecondary();
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var masterDB = master.getDB('fgIndexSec');
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var secondDB = second.getDB('fgIndexSec');
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var size = 100;
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// Make sure that the index build does not terminate on the secondary.
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assert.commandWorked(
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secondDB.adminCommand({configureFailPoint: 'hangAfterStartingIndexBuild', mode: 'alwaysOn'}));
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var bulk = masterDB.jstests_fgsec.initializeUnorderedBulkOp();
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for (var i = 0; i < size; ++i) {
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bulk.insert({i: i});
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}
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assert.writeOK(bulk.execute());
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jsTest.log("Creating index");
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masterDB.jstests_fgsec.ensureIndex({i: 1});
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assert.eq(2, masterDB.jstests_fgsec.getIndexes().length);
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try {
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assert.soon(function() {
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if (indexBuildInProgress(secondDB)) {
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return true;
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} else {
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return false;
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}
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}, "index not started on secondary", 30000, 50);
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} finally {
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// Turn off failpoint and let the index build resumes.
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assert.commandWorked(
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secondDB.adminCommand({configureFailPoint: 'hangAfterStartingIndexBuild', mode: 'off'}));
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}
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jsTest.log("Index created on secondary");
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masterDB.runCommand({dropIndexes: "jstests_fgsec", index: "i_1"});
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jsTest.log("Waiting on replication");
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replTest.awaitReplication();
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masterDB.jstests_fgsec.getIndexes().forEach(printjson);
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secondDB.jstests_fgsec.getIndexes().forEach(printjson);
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assert.soon(function() {
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return 1 == secondDB.jstests_fgsec.getIndexes().length;
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}, "Index not dropped on secondary", 30000, 50);
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