workers.py

class MyWorker(worker.Worker):
    def __init__(self, name, properties, *args, **kwargs):
        password = "mybuildbot",

        super(MyWorker, self).__init__(name, password, *args, **kwargs)

class MyLatentWorker(worker.DockerLatentWorker):
    def __init__(self, name, image, properties, *args, **kwargs):
        password = "mybuildbot"

        kwargs["image"] = str(image)

        docker_host = "unix://var/run/docker.sock"
        kwargs.setdefault("docker_host", docker_host)

        hostconfig = kwargs.get("hostconfig", {})
        hostconfig.setdefault("network_mode","container:"+os.environ.get("HOSTNAME"))
        kwargs["hostconfig"] = hostconfig

        super(MyLatentWorker, self).__init__(name, password, *args, **kwargs)

def createWorkers(config_path):
    workers = []
    with open(config_path) as f:
        config_data = f.read()
    config_data = json.loads(config_data)
    for os_type, os_config in iteritems(config_data):
        for os_flavour, flavour_config in iteritems(os_config):
            for n in range(flavour_config.get("workers", 1)):
                name = "_".join([os_flavour, str(n)])
                props = flavour_config.get("properties", {})
                props.setdefault("os", os_type)
                if "image" in flavour_config:
                    worker = MyLatentWorker(name, flavour_config.get("image"), props)
                else:
                    worker = MyWorker(name, props)
                workers.append(worker)
    return workers