Extract the backend variables out in the AWS backend

1 files changed, 12 insertions, 8 deletions

diff --git a/app/models/backends/terraform_aws.rb b/app/models/backends/terraform_aws.rb
index c918a86..204eaf0 100644
--- a/app/models/backends/terraform_aws.rb
+++ b/app/models/backends/terraform_aws.rb
@@ -99,25 +99,29 @@ class Backends::TerraformAws < ApplicationRecord
     end
   end
 
-  def deploy_backend
+  def backend_terraform_variables
     public_ip_address = ENV[
       'GOVUK_MINI_ENVIRONMENT_ADMIN_PUBLIC_IP_ADDRESS'
     ]
 
     raise 'missing public ip address' if public_ip_address.nil?
 
+    common_terraform_variables.merge(
+      aws_vpc_id: vpc_id,
+      ssh_public_key: ssh_public_key,
+      backend_slug: label.parameterize,
+      mini_environment_admin_guix_public_key: guix_public_key,
+      mini_environment_admin_public_ip_address: public_ip_address
+    )
+  end
+
+  def deploy_backend
     TerraformWorkingDirectory.new(
       terraform_state_id,
       'terraform/aws/backend'
     ).within_working_directory do
       RubyTerraform.apply(
-        vars: common_terraform_variables.merge(
-          aws_vpc_id: vpc_id,
-          ssh_public_key: ssh_public_key,
-          backend_slug: label.parameterize,
-          mini_environment_admin_guix_public_key: guix_public_key,
-          mini_environment_admin_public_ip_address: public_ip_address
-        ),
+        vars: backend_terraform_variables,
         auto_approve: true
       )
     end