[ndr-297] removing need for conf files

Author: tim-knight-nhs

.github/actions/tf-plan-apply/action.yml

@@ -61,7 +61,8 @@ runs:
         terraform_wrapper: false
 
     - name: Initialise Terraform
-      run: terraform init -backend-config=${{ inputs.backend_conf }}
+      # run: terraform init -backend-config=${{ inputs.backend_conf }}
+      run: terraform init
       working-directory: ${{ inputs.working_directory }}
       shell: bash
 

base_iam/terraform.tf

@@ -13,5 +13,6 @@ terraform {
     region       = "eu-west-2"
     key          = "ndr_base_iam/terraform.tfstate"
     encrypt      = true
+    bucket       = local.shared_terraform_state_bucket
   }
-}
+}

base_iam/variables.tf

@@ -29,4 +29,6 @@ locals {
   is_testing        = terraform.workspace == "ndr-test"
   is_pre_production = terraform.workspace == "pre-prod"
   is_prod           = terraform.workspace == "prod"
+
+  shared_terraform_state_bucket = "ndr-${var.environment}-terraform-state-${data.aws_caller_identity.current.account_id}"
 }