I have an Elasticache cluster and a snapshot (rdb file) on S3, the bucket and also elasticache are deployed using terraform code.
but it fails everytime with this error :

Download of snapshot arn:aws:s3:::bucket-test/raw-data/dump.rdb failed for node 0001. Failed to retrieve file from S3

Here is the code used to grant access on S3 bucket :

resource "aws_s3_bucket_policy" "allow_access_from_another_account" {
  bucket = module.bucket.id
  policy = data.aws_iam_policy_document.allow_access_from_another_account.json
}

data "aws_iam_policy_document" "allow_access_from_another_account" {
  statement {
    principals {
      type        = "CanonicalUser"
      identifiers = ["540804c33a284a299d2547575ce1010f2312ef3da9b3a053c8bc45bf233e4353"]
    }

    actions = [
      "s3:GetObject",
      "s3:GetBucketAcl",
      "s3:ListBucket",
      "s3:PutObject",
      "s3:DeleteObject",
    ]

    resources = [
      module.bucket.arn,
      "${module.bucket.arn}/*",
    ]
  }
}

Taking a look at the file’s permissions on S3 :
file permissions

Any ideas what could’ve be missing ?