const fetchBuckets = (provider) => {
    return new Promise((resolve, reject) => {
        API.get(API_OBJ_CONT + '?expand=resources&attributes=name,ems_id&filter[]=ems_id=' + provider).then(({resources}) => {
            let options = resources.map(({id, name}) => ({value: id, label: name}));
            resolve(options);