feat: Add discovery endpoint output to memcache module (#62)

* add discovery endpoint to memcache module

* formatting fixes

examples/memcache/outputs.tf

@@ -46,3 +46,7 @@ output "output_region" {
 output "output_nodes" {
   value = module.memcache.nodes
 }
+
+output "output_discovery" {
+  value = module.memcache.discovery
+}

modules/memcache/README.md

@@ -25,6 +25,7 @@ A Terraform module for creating a fully functional Google Memorystore (memcache)
 
 | Name | Description |
 |------|-------------|
+| discovery | The memorystore discovery endpoint. |
 | id | The memorystore instance ID. |
 | nodes | Data about the memcache nodes |
 | region | The region the instance lives in. |

modules/memcache/outputs.tf

@@ -28,3 +28,8 @@ output "nodes" {
   description = "Data about the memcache nodes"
   value       = google_memcache_instance.self.memcache_nodes
 }
+
+output "discovery" {
+  description = "The memorystore discovery endpoint."
+  value       = google_memcache_instance.self.discovery_endpoint
+}

test/integration/memcache/inspec.yml

@@ -41,4 +41,6 @@ attributes:
   - name: output_nodes
     required: true
     type: hash
-
+  - name: output_discovery
+    required: true
+    type: string