Tf13 (#5)

* Upgrade to terraform v0.13

Author: thobiast

.github/workflows/terraform.yml

@@ -16,7 +16,7 @@ jobs:
         uses: hashicorp/setup-terraform@v1
         with:
           terraform_wrapper: false
-          terraform_version: 0.12.25
+          terraform_version: 0.13.x
       - name: Terraform version
         run: terraform --version
       - name: Terraform init

README.md

@@ -7,7 +7,9 @@ Terraform module to create Load Balancer on OpenStack.
 
 ## Terraform versions
 
-It requires terraform version 0.12 or later.
+It requires Terraform version 0.13 or later.
+
+For Terraform v0.11 and v0.12 use version v0.1.\* of this module.
 
 ## Inputs
 

versions.tf

@@ -1,3 +1,8 @@
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 0.13"
+  required_providers {
+    openstack = {
+      source = "terraform-provider-openstack/openstack"
+    }
+  }
 }