/**
 * Confirms that background index builds started through applyOps on a primary can be aborted using
 * killop. This is because primaries run background index builds in the foreground when run through
 * applyOps.
 *
 * @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}));

const applyOpsCmd = {
    applyOps: [
        {
            op: 'c',
            ns: testDB.getCollection('$cmd').getFullName(),
            o: {
                createIndexes: coll.getName(),
                v: 2,
                name: 'a_1',
                key: {a: 1},
                background: true,
            },
        },
    ]
};

// It is not possible to test createIndexes in applyOps with two-phase-index-builds support because
// that command is not accepted by applyOps in that mode.
if (IndexBuildTest.supportsTwoPhaseIndexBuild(primary)) {
    assert.commandFailedWithCode(testDB.adminCommand(applyOpsCmd), ErrorCodes.CommandNotSupported);
    rst.stopSet();
    return;
}

IndexBuildTest.pauseIndexBuilds(primary);

const createIdx = startParallelShell(
    'assert.commandWorked(db.adminCommand(' + tojson(applyOpsCmd) + '))', primary.port);

// When the index build starts, find its op id.
const opId = IndexBuildTest.waitForIndexBuildToScanCollection(testDB, coll.getName(), 'a_1');

IndexBuildTest.assertIndexBuildCurrentOpContents(testDB, opId);

// Kill the index build. This should have no effect.
assert.commandWorked(testDB.killOp(opId));

// Wait for the index build to stop.
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 index was created on the primary despite the attempted killOp().
IndexBuildTest.assertIndexes(coll, 1, ['_id_']);

rst.stopSet();
})();