import docker

from restic_volume_backup.config import Config

TRUE_VALUES = ['1', 'true', 'True', True, 1]


def list_containers():
    """
    List all containers.

    Returns:
        List of raw container json data from the api
    """
    config = Config()
    client = docker.DockerClient(base_url=config.docker_base_url)
    all_containers = client.containers.list()
    client.close()
    return [c.attrs for c in all_containers]


def is_true(value):
    """
    Evaluates the truthfullness of a bool value in container labels
    """
    return value in TRUE_VALUES