chore: Pause automatic requests to MDS Universe Domain endpoint.

This applies to GAPIC based libraries only. Discovery based libraries are handled in googleapis/google-api-dotnet-client#2871. Towards b/371768149
googleapis · Nov 5, 2024 · 1bfb1af · 1bfb1af
1 parent 1cde0b5
commit 1bfb1af
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/Google.Api.Gax.Grpc/GoogleCredentialExtensions.cs b/Google.Api.Gax.Grpc/GoogleCredentialExtensions.cs
@@ -56,7 +56,13 @@ public async Task<AccessTokenWithHeaders> GetAccessTokenWithHeadersForRequestAsy
 
         private async Task UniverseDomainsMatchCheckUncached()
         {
-            string credentialUniverseDomain = await (_underlying as GoogleCredential).GetUniverseDomainAsync(default).ConfigureAwait(false);
+            GoogleCredential googleCredential = _underlying as GoogleCredential;
+            // b/377378462 Temporarily avoid automatic requests to the MDS UniverseDomain endpoint.
+            if (googleCredential.UnderlyingCredential is ComputeCredential)
+            {
+                return;
+            }
+            string credentialUniverseDomain = await (googleCredential).GetUniverseDomainAsync(default).ConfigureAwait(false);
             if (credentialUniverseDomain != _universeDomain)
             {
                 throw new InvalidOperationException(