Add stage arn output (#12)

Co-authored-by: cloudpossebot <11232728+cloudpossebot@users.noreply.github.com>

Author: mwakaba2

README.md

@@ -210,6 +210,7 @@ Available targets:
 | <a name="output_id"></a> [id](#output\_id) | The ID of the REST API |
 | <a name="output_invoke_url"></a> [invoke\_url](#output\_invoke\_url) | The URL to invoke the REST API |
 | <a name="output_root_resource_id"></a> [root\_resource\_id](#output\_root\_resource\_id) | The resource ID of the REST API's root |
+| <a name="output_stage_arn"></a> [stage\_arn](#output\_stage\_arn) | The ARN of the gateway stage |
 <!-- markdownlint-restore -->
 
 

docs/terraform.md

@@ -71,4 +71,5 @@
 | <a name="output_id"></a> [id](#output\_id) | The ID of the REST API |
 | <a name="output_invoke_url"></a> [invoke\_url](#output\_invoke\_url) | The URL to invoke the REST API |
 | <a name="output_root_resource_id"></a> [root\_resource\_id](#output\_root\_resource\_id) | The resource ID of the REST API's root |
+| <a name="output_stage_arn"></a> [stage\_arn](#output\_stage\_arn) | The ARN of the gateway stage |
 <!-- markdownlint-restore -->

outputs.tf

@@ -31,3 +31,8 @@ output "invoke_url" {
   description = "The URL to invoke the REST API"
   value       = module.this.enabled ? aws_api_gateway_stage.this[0].invoke_url : null
 }
+
+output "stage_arn" {
+  description = "The ARN of the gateway stage"
+  value       = module.this.enabled ? aws_api_gateway_stage.this[0].arn : null
+}