Function _storeNullVersionMD

lib/api/apiUtils/object/versioning.js:83–110

(bucketName, objKey, nullVersionId, objMD, log, cb)

}

function _storeNullVersionMD(bucketName, objKey, nullVersionId, objMD, log, cb) {
    // In compatibility mode, create null versioned keys instead of null keys
    let versionId;
    let nullVersionMD;
    if (config.nullVersionCompatMode) {
        versionId = nullVersionId;
        nullVersionMD = Object.assign({}, objMD, {
            versionId: nullVersionId,
            isNull: true,
        });
    } else {
        versionId = 'null';
        nullVersionMD = Object.assign({}, objMD, {
            versionId: nullVersionId,
            isNull: true,
            isNull2: true,
        });
    }
    nullVersionMD.originOp = 's3:StoreNullVersion';
    metadata.putObjectMD(bucketName, objKey, nullVersionMD, { versionId }, log, err => {
        if (err) {
            log.debug('error from metadata storing null version as new version',
            { error: err });
        }
        
        cb(err);
    });
}

/** check existence and get location of null version data for deletion
* @param {string} bucketName - name of bucket