devops-exercises/topics/terraform/exercises/s3_bucket_rename/solution.md

Rename S3 Bucket

Requirements

• An existing S3 bucket tracked by Terraform. If you don't have it, you can use the following block and run terraform apply:

resource "aws_s3_bucket" "some_bucket" {
    bucket = "some-old-bucket"
}

Objectives

1. Rename an existing S3 bucket and make sure it's still tracked by Terraform

Solution

# A bucket name is immutable in AWS so we'll have to create a new bucket
aws s3 mb s3://some-new-bucket-123

# Sync old bucket to new bucket
aws s3 sync s3://some-old-bucket s3://some-new-bucket-123

# Remove the old bucket from Terraform's state
terraform state rm aws_s3_bucket.some_bucket

# Import new bucket to Terraform's state
terraform import aws_s3_bucket.some_bucket some-new-bucket-123

: '
aws_s3_bucket.some_bucket: Refreshing state... [id=some-new-bucket-123]

Import successful!
The resources that were imported are shown above. These resources are now in
your Terraform state and will henceforth be managed by Terraform.
'

# Modify the Terraform definition to include the new name
# resource "aws_s3_bucket" "some_bucket" {
#    bucket = "some-new-bucket-123"
# }

# Remove old bucket
aws s3 rm s3://some-old-bucket --recursive
aws s3 rb s3://some-old-bucket