public static void main()

in modules/mesos-ext/src/main/java/org/apache/ignite/mesos/IgniteFramework.java [64:124]
38 lines of code
6 McCabe index (conditional complexity)

    public static void main(String[] args) throws Exception {
        IgniteFramework igniteFramework = new IgniteFramework();

        ClusterProperties clusterProps = ClusterProperties.from(args.length >= 1 ? args[0] : null);

        String baseUrl = String.format("http://%s:%d", clusterProps.httpServerHost(), clusterProps.httpServerPort());

        JettyServer httpSrv = new JettyServer();

        httpSrv.start(
            new ResourceHandler(clusterProps.userLibs(), clusterProps.igniteCfg(), clusterProps.igniteWorkDir()),
            clusterProps
        );

        ResourceProvider provider = new ResourceProvider();

        IgniteProvider igniteProvider = new IgniteProvider(clusterProps.igniteWorkDir());

        provider.init(clusterProps, igniteProvider, baseUrl);

        // Create the scheduler.
        Scheduler scheduler = new IgniteScheduler(clusterProps, provider);

        // Create the driver.
        MesosSchedulerDriver driver;

        if (System.getenv(MESOS_AUTHENTICATE) != null) {
            log.info("Enabling authentication for the framework");

            if (System.getenv(DEFAULT_PRINCIPAL) == null) {
                log.log(Level.SEVERE, "Expecting authentication principal in the environment");

                System.exit(1);
            }

            if (System.getenv(DEFAULT_SECRET) == null) {
                log.log(Level.SEVERE, "Expecting authentication secret in the environment");

                System.exit(1);
            }

            Protos.Credential cred = Protos.Credential.newBuilder()
                .setPrincipal(System.getenv(DEFAULT_PRINCIPAL))
                .setSecret(System.getenv(DEFAULT_SECRET))
                .build();

            driver = new MesosSchedulerDriver(scheduler, igniteFramework.getFrameworkInfo(), clusterProps.masterUrl(),
                cred);
        }
        else
            driver = new MesosSchedulerDriver(scheduler, igniteFramework.getFrameworkInfo(), clusterProps.masterUrl());

        int status = driver.run() == Protos.Status.DRIVER_STOPPED ? 0 : 1;

        httpSrv.stop();

        // Ensure that the driver process terminates.
        driver.stop();

        System.exit(status);
    }