CODEWITHSUNDEEP
amazon-web-servicesterraformamazon-vpcterraform-provider-aws
Nahum
Nahum

Reputation: 109

Terraform error: error creating route: InvalidEgressOnlyInternetGatewayId.Malformed

I started a new chapter in my life, and this world of IaC (Infrastructure as code) is really amazing...

I saw a free course in YouTube, how to start working with Terraform in AWS, but something along the way is not working properly, although the code seems the as in the videos, and mine.

here is the code, and the result. I'll be grateful for your assistance in understanding what is wrong.

Terraform details:

Terraform v0.14.10

    resource "aws_route_table" "prod-route-table" {
      vpc_id = aws_vpc.prod-vpc.id
    
      route {
        cidr_block = "0.0.0.0/0"
        gateway_id = aws_internet_gateway.gw.id
      }
    
      route {
        ipv6_cidr_block        = "::/0"
        egress_only_gateway_id = aws_internet_gateway.gw.id
      }
    
      tags = {
        Name = "example"
      }
    }

4. Create a Subnet

    resource "aws_subnet" "subnet_1" {
      vpc_id            = aws_vpc.prod-vpc.id
      cidr_block        = "10.0.1.0/24"
      availability_zone = "us-east-1e"
    
      tags = {
        "name" = "Prod-subnet"
      }
    }

5. Assosicate subent with Route Table

    resource "aws_route_table_association" "a" {
    
      subnet_id      = aws_subnet.subnet_1.id
      route_table_id = aws_route_table.prod-route-table.id
    
    }

The error:

    Error: error creating route: InvalidEgressOnlyInternetGatewayId.Malformed: Invalid id: "igw-07f6dac9f8bd89fd5" (expecting "eigw-...")
            status code: 400, request id: 7f7e2445-f537-4113-a52e-ac6b32dee888
    
      on main.tf line 26, in resource "aws_route_table" "prod-route-table":
      26: resource "aws_route_table" "prod-route-table" {

I added only the part of the code that the error is pointing me too.

Upvotes: 5

Views: 3075

Answers (1)

JD D
JD D

Reputation: 8097

You don't show the code for how you create the aws_internet_gateway.gw resource but the issue is that this resource is a normal Internet Gateway but you are passing the value to the egress_only_gateway_id field under which is expecting an ID for an egress only internet gateway.

The solution would be to either update the aws_internet_gateway resource to be an aws_egress_only_internet_gateway resource or to update the route property to be gateway_id which expects a normal Internet gateway ID and not an egress only gateway.

If you are just starting out with this stuff, I would avoid egress only internet gateways for now.

Upvotes: 5

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