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Is it possible to enable Request Metrics on an S3 bucket via Terraform, either using the aws_s3_bucket resource or other?

rossco
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2 Answers2

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You can use aws_s3_bucket_metric resource in Terraform. Passing the name attribute as EntireBucket enables request metrics for the bucket. 

resource "aws_s3_bucket" "example" {
  bucket = "example"
}

resource "aws_s3_bucket_metric" "example-entire-bucket" {
  bucket = "${aws_s3_bucket.example.bucket}"
  name   = "EntireBucket"
}
Vikyol
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    This doesn't enable metrics on the S3 bucket. – ydaetskcoR Aug 13 '19 at 08:15
  • As @ydaetskcoR mentioned, I'm asking how to enable metrics on the bucket, not how monitor them or create alarms. – rossco Aug 13 '19 at 11:05
  • I have just updated my answer with the correct solution. – Vikyol Aug 13 '19 at 14:44
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    I could not enable request metric, it just enables storage metrics – cloudbud Oct 17 '19 at 08:33
  • This enables request and data transfer metrics for me, but it's totally not clear that it would given the options. – mmrobins Aug 13 '20 at 20:18
  • "Passing the name attribute as EntireBucket enables request metrics for the bucket." In my experience, naming the resource "EntireBucket" was not necessary to enable request metrics for the bucket. I used a different name and it worked. – Gordon McCreight Oct 14 '22 at 16:04
1

There is a Terraform resource for that: aws_s3_bucket_metric

You can emit "Request Metrics" for an entire bucket or create a filter to monitor a specific folder or file that has a specific tag.

Here is an example from Terraform docs:

resource "aws_s3_bucket" "example" {
  bucket = "example"
 }

resource "aws_s3_bucket_metric" "example-entire-bucket" {
 bucket = aws_s3_bucket.example.id
 name   = "EntireBucket"
}

EntireBucket is the name of a filter you will see in the AWS console - name it however you want (don't use spaces between words).

here is an example to monitor only the documents/ folder:

resource "aws_s3_bucket" "example" {
 bucket = "example"
}

resource "aws_s3_bucket_metric" "example-filtered" {
 bucket = aws_s3_bucket.example.id
 name   = "ImportantBlueDocuments"

 filter {
  prefix = "documents/"
 }
}

Note the prefix = "documents/" - this is where you set a folder you want to monitor.

example image

Read more on Terraform docs

Egidijus Lenk
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