jstests/watchdog/wd_journal_hang.js


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// Storage Node Watchdog - validate watchdog monitors --dbpath /journal
// @tags: [requires_wiredtiger,requires_journaling]
//
load("jstests/watchdog/lib/wd_test_common.js");

(function() {
    'use strict';

    function trimTrailingSlash(dir) {
        if (dir.endsWith('/')) {
            return dir.substring(0, dir.length - 1);
        }

        return dir;
    }

    let control = new CharybdefsControl("journalpath_hang");

    const journalFusePath = control.getMountPath();

    const dbPath = MongoRunner.toRealDir("$dataDir/mongod-journal");

    const journalLinkPath = dbPath + "/journal";

    resetDbpath(dbPath);

    // Create a symlink from the non-fuse journal directory to the fuse mount.
    const ret = run("ln", "-s", trimTrailingSlash(journalFusePath), journalLinkPath);
    assert.eq(ret, 0);

    // Set noCleanData so that the dbPath is not cleaned because we want to use the journal symlink.
    testFuseAndMongoD(control, {dbpath: dbPath, noCleanData: true});
})();