What is wrong with my AWS Lambda function? - amazon-web-services

Question

I have followed this tutorial to create thumbnails of images to another bucket with AWS Lambda: http://docs.aws.amazon.com/lambda/latest/dg/walkthrough-s3-events-adminuser-create-test-function-upload-zip-test.html
I have done all the steps earlier in the tutorial but when I run the code below in Lambda test from the link above
{
"Records":[
{
"eventVersion":"2.0",
"eventSource":"aws:s3",
"awsRegion":"us-east-1",
"eventTime":"1970-01-01T00:00:00.000Z",
"eventName":"ObjectCreated:Put",
"userIdentity":{
"principalId":"AIDAJDPLRKLG7UEXAMPLE"
},
"requestParameters":{
"sourceIPAddress":"127.0.0.1"
},
"responseElements":{
"x-amz-request-id":"C3D13FE58DE4C810",
"x-amz-id-2":"FMyUVURIY8/IgAtTv8xRjskZQpcIZ9KG4V5Wp6S7S/JRWeUWerMUE5JgHvANOjpD"
},
"s3":{
"s3SchemaVersion":"1.0",
"configurationId":"testConfigRule",
"bucket":{
"name":"sourcebucket",
"ownerIdentity":{
"principalId":"A3NL1KOZZKExample"
},
"arn":"arn:aws:s3:::sourcebucket"
},
"object":{
"key":"HappyFace.jpg",
"size":1024,
"eTag":"d41d8cd98f00b204e9800998ecf8427e",
"versionId":"096fKKXTRTtl3on89fVO.nfljtsv6qko"
}
}
}
]
}
I get the error message
Unable to resize sourcebucket/HappyFace.jpg and upload to
sourcebucketresized/resized-HappyFace.jpg due to an error:
PermanentRedirect: The bucket you are attempting to access must be
addressed using the specified endpoint. Please send all future
requests to this endpoint. END RequestId: 345345...
I have changed the bucket name, eTag and image name. Do I need to change something else? My region are correct. Do I need to edit "principalId"? Where can I find it?
What is wrong.

Answer 1

In my case, the problem was the bucket region. In the example "us-east-1" is used, but my bucket is on "eu-west-1", so i had to change 2 things:
"awsRegion":"eu-west-1", in lambda test file
set region in my nodejs lambda code: AWS.config.update({"region": "eu-west-1"})
And of course you still need to set following values in in lambda test file:
name: 'your_bucket_name_here',
arn: 'arn:aws:s3:::your_bucket_name_here'
After this modifications it worked as expected

Answer 2

Your problem is about "endpoint".You must change "arn":"arn:aws:s3:::sourcebucket" to "arn":"arn:aws:s3:::(name_of_your_bucket)". Same to "name":"sourcebucket" to "name":"(name_of_your_bucket)".
In order to avoid more problems you must upload a jpg called HappyFace.jpg to your bucket or change in s3 put Test object code.
Regards

Answer 3

Try use this updated format (Please carefully configure the key, bucket name,arn and awsRegion to your own settings):
{
"Records": [
{
"eventVersion": "2.0",
"eventTime": "1970-01-01T00:00:00.000Z",
"requestParameters": {
"sourceIPAddress": "127.0.0.1"
},
"s3": {
"configurationId": "testConfigRule",
"object": {
"eTag": "0123456789abcdef0123456789abcdef",
"sequencer": "0A1B2C3D4E5F678901",
"key": "HappyFace.jpg",
"size": 1024
},
"bucket": {
"arn": "arn:aws:s3:::myS3bucket",
"name": "myS3bucket",
"ownerIdentity": {
"principalId": "EXAMPLE"
}
},
"s3SchemaVersion": "1.0"
},
"responseElements": {
"x-amz-id-2": "EXAMPLE123/5678abcdefghijklambdaisawesome/mnopqrstuvwxyzABCDEFGH",
"x-amz-request-id": "EXAMPLE123456789"
},
"awsRegion": "us-east-1",
"eventName": "ObjectCreated:Put",
"userIdentity": {
"principalId": "EXAMPLE"
},
"eventSource": "aws:s3"
}
]
}