Add Discovery endpoint to Memcached Instance

.changelog/3891.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+memcached: added discovery_endpoint to `resource_memcached_instance`
+```

google-beta/resource_memcache_instance.go

@@ -149,6 +149,11 @@ provided, all zones will be used.`,
 				Computed:    true,
 				Description: `Creation timestamp in RFC3339 text format.`,
 			},
+			"discovery_endpoint": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: `Endpoint for Discovery API`,
+			},
 			"memcache_full_version": {
 				Type:        schema.TypeString,
 				Computed:    true,
@@ -335,6 +340,9 @@ func resourceMemcacheInstanceRead(d *schema.ResourceData, meta interface{}) erro
 	if err := d.Set("create_time", flattenMemcacheInstanceCreateTime(res["createTime"], d, config)); err != nil {
 		return fmt.Errorf("Error reading Instance: %s", err)
 	}
+	if err := d.Set("discovery_endpoint", flattenMemcacheInstanceDiscoveryEndpoint(res["discoveryEndpoint"], d, config)); err != nil {
+		return fmt.Errorf("Error reading Instance: %s", err)
+	}
 	if err := d.Set("labels", flattenMemcacheInstanceLabels(res["labels"], d, config)); err != nil {
 		return fmt.Errorf("Error reading Instance: %s", err)
 	}
@@ -562,6 +570,10 @@ func flattenMemcacheInstanceCreateTime(v interface{}, d *schema.ResourceData, co
 	return v
 }
 
+func flattenMemcacheInstanceDiscoveryEndpoint(v interface{}, d *schema.ResourceData, config *Config) interface{} {
+	return v
+}
+
 func flattenMemcacheInstanceLabels(v interface{}, d *schema.ResourceData, config *Config) interface{} {
 	return v
 }

website/docs/r/memcache_instance.html.markdown

@@ -171,6 +171,9 @@ In addition to the arguments listed above, the following computed attributes are
 * `create_time` -
   Creation timestamp in RFC3339 text format.
 
+* `discovery_endpoint` -
+  Endpoint for Discovery API
+
 * `memcache_full_version` -
   The full version of memcached server running on this instance.