Add Tags in project output. (#2062)

modules/project/README.md

@@ -1028,4 +1028,6 @@ module "bucket" {
 | [service_accounts](outputs.tf#L96) | Product robot service accounts in project. |  |
 | [services](outputs.tf#L112) | Service APIs to enabled in the project. |  |
 | [sink_writer_identities](outputs.tf#L121) | Writer identities created for each sink. |  |
+| [tag_keys](outputs.tf#L128) | Tag key resources. |  |
+| [tag_values](outputs.tf#L137) | Tag value resources. |  |
 <!-- END TFDOC -->

modules/project/outputs.tf

@@ -124,3 +124,20 @@ output "sink_writer_identities" {
     for name, sink in google_logging_project_sink.sink : name => sink.writer_identity
   }
 }
+
+output "tag_keys" {
+  description = "Tag key resources."
+  value = {
+    for k, v in google_tags_tag_key.default : k => v if(
+      v.purpose == null || v.purpose == ""
+    )
+  }
+}
+
+output "tag_values" {
+  description = "Tag value resources."
+  value = {
+    for k, v in google_tags_tag_value.default :
+    k => v if !local.tag_values[k].tag_network
+  }
+}