def METHOD_NAME(osd_label=constants.OSD_APP_LABEL, namespace=None):
    """
    Fetches info about osd deployments in the cluster
    Args:
        osd_label (str): label associated with osd deployments
            (default: defaults.OSD_APP_LABEL)
        namespace (str): Namespace in which ceph cluster lives
            (default: config.ENV_DATA["cluster_namespace"])
    Returns:
        list: OSD deployment OCS instances
    """
    namespace = namespace or config.ENV_DATA["cluster_namespace"]
    osds = get_deployments_having_label(osd_label, namespace)
    return osds