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/**
* Confirms that background index builds on a primary can be aborted using killop.
* @tags: [requires_replication]
*/
(function() {
"use strict";
load('jstests/noPassthrough/libs/index_build.js');
const rst = new ReplSetTest({
nodes: [
{},
{
// Disallow elections on secondary.
rsConfig: {
priority: 0,
votes: 0,
},
},
]
});
const nodes = rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const testDB = primary.getDB('test');
const coll = testDB.getCollection('test');
assert.commandWorked(coll.insert({a: 1}));
IndexBuildTest.pauseIndexBuilds(primary);
const createIdx =
IndexBuildTest.startIndexBuild(primary, coll.getFullName(), {a: 1}, {background: true});
// When the index build starts, find its op id.
const opId = IndexBuildTest.waitForIndexBuildToScanCollection(testDB, coll.getName(), 'a_1');
IndexBuildTest.assertIndexBuildCurrentOpContents(testDB, opId, (op) => {
jsTestLog('Inspecting db.currentOp() entry for index build: ' + tojson(op));
assert.eq(
undefined,
op.connectionId,
'Was expecting IndexBuildsCoordinator op; found db.currentOp() for connection thread instead: ' +
tojson(op));
assert.eq(coll.getFullName(),
op.ns,
'Unexpected ns field value in db.currentOp() result for index build: ' + tojson(op));
});
// Kill the index builder thread.
assert.commandWorked(testDB.killOp(opId));
// Two-phase index builds ignore interrupts on the builder thread. Single phase builds to not.
if (IndexBuildTest.supportsTwoPhaseIndexBuild(primary)) {
// Wait for the index build to stop after completing successfully.
IndexBuildTest.resumeIndexBuilds(primary);
IndexBuildTest.waitForIndexBuildToStop(testDB);
// Expect index build to complete successfully.
createIdx();
// Check that a new index has been created. This verifies that the index build ignored the
// interrupt.
IndexBuildTest.assertIndexes(coll, 2, ['_id_', 'a_1']);
const cmdNs = testDB.getCollection('$cmd').getFullName();
let ops = rst.dumpOplog(primary, {op: 'c', ns: cmdNs, 'o.startIndexBuild': coll.getName()});
assert.eq(1, ops.length, 'incorrect number of startIndexBuild oplog entries: ' + tojson(ops));
ops = rst.dumpOplog(primary, {op: 'c', ns: cmdNs, 'o.abortIndexBuild': coll.getName()});
assert.eq(0, ops.length, 'incorrect number of abortIndexBuild oplog entries: ' + tojson(ops));
ops = rst.dumpOplog(primary, {op: 'c', ns: cmdNs, 'o.commitIndexBuild': coll.getName()});
assert.eq(1, ops.length, 'incorrect number of commitIndexBuild oplog entries: ' + tojson(ops));
} else {
// Wait for the index build to stop from the killop signal.
try {
IndexBuildTest.waitForIndexBuildToStop(testDB);
} finally {
IndexBuildTest.resumeIndexBuilds(primary);
}
const exitCode = createIdx({checkExitSuccess: false});
assert.neq(
0, exitCode, 'expected shell to exit abnormally due to index build being terminated');
// Check that no new index has been created. This verifies that the index build was aborted
// rather than successfully completed.
IndexBuildTest.assertIndexes(coll, 1, ['_id_']);
// The noop oplog entry is the only evidence of the failed single phase index build.
let ops = rst.dumpOplog(
primary, {op: 'n', ns: '', 'o.msg': 'Creating indexes. Coll: ' + coll.getFullName()});
assert.eq(1, ops.length, 'incorrect number of noop oplog entries: ' + tojson(ops));
}
rst.stopSet();
})();
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