mongodb/jstests/tool/dumpauth.js

// dumpauth.js
// test mongodump with authentication

var m = MongoRunner.runMongod({auth: "", bind_ip: "127.0.0.1"});
var dbName = "admin";
var colName = "testcol";
var profileName = "system.profile";
var dumpDir = MongoRunner.dataPath + "jstests_tool_dumprestore_dump_system_profile/";
db = m.getDB(dbName);

db.createUser({user: "testuser", pwd: "testuser", roles: jsTest.adminUserRoles});
assert(db.auth("testuser", "testuser"), "auth failed");

t = db[colName];
t.drop();
profile = db[profileName];
profile.drop();

// Activate profiling, to ensure that system.profile can be dumped with the backup role
db.setProfilingLevel(2);

// Populate the database
for (var i = 0; i < 100; i++) {
    t.save({"x": i});
}
assert.gt(profile.count(), 0, "admin.system.profile should have documents");
assert.eq(t.count(), 100, "testcol should have documents");

// Create a user with backup permissions
db.createUser({user: "backup", pwd: "password", roles: ["backup"]});

// Backup the database with the backup user
var exitCode = MongoRunner.runMongoTool("mongodump", {
    db: dbName,
    out: dumpDir,
    authenticationDatabase: "admin",
    username: "backup",
    password: "password",
    host: "127.0.0.1:" + m.port,
});
assert.eq(exitCode, 0, "mongodump should succeed with authentication");

// Assert that a BSON document for admin.system.profile has been produced
exitCode =
    MongoRunner.runMongoTool("bsondump", {}, dumpDir + "/" + dbName + "/" + profileName + ".bson");
assert.eq(exitCode, 0, "bsondump should succeed parsing the profile data");
MongoRunner.stopMongod(m);