Add some additional comments.

open-telemetry · Nov 24, 2020 · 24771d1 · 24771d1
1 parent caefa6a
commit 24771d1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/detectors/gcp/cloud-run.go b/detectors/gcp/cloud-run.go
@@ -28,6 +28,8 @@ import (
 
 const serviceNamespace = "cloud-run-managed"
 
+// The minimal list of metadata.Client methods we use. Use an interface so we
+// can replace it with a fake implementation in the unit test.
 type metadataClient interface {
  ProjectID() (string, error)
  Get(string) (string, error)