Terraform: aws_s3_bucket_object does not allow accessing buckets in different regions

[dynamike]

I'm trying to use the aws_s3_bucket_object data source to read an from an S3 bucket in a different region that defined in aws provider.

Terraform Version

Terraform v0.9.1

Affected Resource(s)

• aws_s3_bucket_object

Terraform Configuration Files

provider "aws" {
  region = "us-west-2"
}
data "aws_s3_bucket_object" "app" {
  bucket = "${var.vpc_bucket}"
  key    = "env/APP_NAME"
}

Output

Error refreshing state: 1 error(s) occurred:

* data.aws_s3_bucket_object.aws-remote-state: Failed getting S3 object: BucketRegionError: incorrect region, the bucket is not in 'us-west-2' region
        status code: 301, request id:

Actual Behavior

I expected it to be able to read the S3 object. But the actual behavior is that I get the BucketRegionError because var.bucket_name is a bucket in us-east-1, while the aws provider is pointed to us-west-2 .

[dynamike]

any update on this?

[alshabib]

Commented here as well.

You can actually do this by using Multiple Provider Instances. See example below:

Define a second provider:

provider "aws" {
  alias      = "my-other-provider"
  region     = "us-east-1"
}

Use this provider in your data source:

data "aws_s3_bucket_object" "app" {
  provider = "aws.my-other-provider"
  bucket = "${var.bucket_name}"
  key    = "env/APP_NAME"
}

[Laxman-SM]

@alshabib I tried your suggested solution. But this seems not working for me. i tried multi provider configuration, created new bucket ( due recycle of bucket take 1 hour i read somewhere ),

my terraform version 0.11.7

provider.tf

provider "aws" {
region = "${var.region}"
}

provider "aws" {
alias = "oregon"
region = "us-west-2"
}

provider "aws" {
alias="virginia"
region="us-east-1"
}

bucket.tf

resource "aws_s3_bucket" "segment_logs" {
bucket = "${var.project}-${var.environment}-terra-logs"
acl = "private"
provider = "aws.virginia"
}

backend.tf

terraform {
required_version = ">=0.11.0"
backend "s3" {
bucket = "tfstates-dockerswarm"
key = "laxman1/terraform.tfstate"
region = "us-west-2"
encrypt = true
profile = "default"
//dynamodb_table = "tfstates-dockerswarm1-lock-lock"
//kms_key_id = "arn:aws:kms:us-east-1:117432468177:key/xxxxxxx"
//workspace_key_prefix = "terraform-state"

}
}

data "terraform_remote_state" "state" {
backend = "s3"

config = {
provider = "aws.oragon"
region = "us-west-2"
buknet = "tfstates-dockerswarm"
key = "laxman1/terraform.tfstate"
//skip_region_validation = "true"
profile = "default"
//dynamodb_table = "tfstates-dockerswarm1-lock-lock"
//kms_key_id = "arn:aws:kms:us-west-2:117432468177:key/xxxxxx"
//workspace = "${terraform.workspace}"
}
}

can any one help here. getting same error:-

Error: Error refreshing state: 1 error(s) occurred:

• data.terraform_remote_state.state: 1 error(s) occurred:

• data.terraform_remote_state.state: data.terraform_remote_state.state: BucketRegionError: incorrect region, the bucket is not in 'us-west-2' region
  status code: 301, request id: , host id:

[alshabib]

Seems like you define your remote state bucket in us-west-2 but AWS says it is not there. You may want to recheck your configuration.

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