Files
mongo/jstests/replsets/index_delete.js

81 lines
2.4 KiB
JavaScript

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