Error invalid instance URLs: resource "google_compute_instance_group" "t-compute-instance-group"

1
votes

Goal: Create a compute instance and add it to an unmanaged instance group in GCP using terraform.

Issue: A compute instance and an unmanaged instance group are being created successfully, but the instance is not being added to the group and giving: Error invalid instance URLs: resource "google_compute_instance_group" "t-compute-instance-group"

Able to add the instance to the group manually after running the terraform configuration though.

Service account key has Project Editor permission assigned.

Code: https://github.com/sagar-aj7/terraform_unmanaged_inst_group

2
google-cloud-platformterraformterraform-provider-gcp
Have you tried using self link instead? – Alex G

2 Answers

1
votes

I've hit the same problem, what worked for me was to use the selflink instead of the id:

resource "google_compute_instance_group" "backend-instances" {
  name         = "..."
  zone         = "${var.availability_zone}"

  instances = ["${google_compute_instance.node.*.self_link}"]

  named_port {
    name = "http"
    port = "8080"
  }

  named_port {
    name = "https"
    port = "8443"
  }

  ..
}

I'm on the google provider version 2.8.0. I guess it's time to upgrade :)

0
votes

I had the same problem today. The solution was to update the google terraform provider to a newer version (3.52.0). This fixed the issue and created the instance group with the assigned instance.