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Created May 29, 2017 09:13
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AWS Lambda to index S3 new files in CloudSearch
exports.handler = (event, context, callback) => {
// This snippet assumes : event.Records[0].eventName == 'ObjectCreated:Put'
// but the ful code deals with both 'ObjectCreated:Put' and 'ObjectRemoved:Delete'
var filename = event.Records[0].s3.object.key;
var bucketname = event.Records[0];
var params = {
Bucket: bucketname,
Key: filename,
RequestPayer: 'requester',
var s3 = new AWS.S3();
s3.getObject(params, function (err, data) {
if (err) {
console.log('file was not found : ERROR');
else {
var contentText = data.Body.toString('utf8');
addToIndex(bucketname, filename, contentText, context);
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