From ab8cd5e585a9f0e51939880df3441e78f7f222d9 Mon Sep 17 00:00:00 2001
From: Dirkjan Ochtman <dirkjan@ochtman.nl>
Date: Tue, 16 Apr 2024 11:36:26 +0200
Subject: [PATCH] Add link to reference docs for GCP metadata service

---
 src/default_service_account.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/default_service_account.rs b/src/default_service_account.rs
index 111d150..fe2674c 100644
--- a/src/default_service_account.rs
+++ b/src/default_service_account.rs
@@ -17,6 +17,7 @@ pub(crate) struct MetadataServiceAccount {
 }
 
 impl MetadataServiceAccount {
+    // https://cloud.google.com/compute/docs/metadata/predefined-metadata-keys
     const DEFAULT_PROJECT_ID_GCP_URI: &'static str =
         "http://metadata.google.internal/computeMetadata/v1/project/project-id";
     const DEFAULT_TOKEN_GCP_URI: &'static str = "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token";