client.rb in google-cloud-monitoring-dashboard-v1-0.3.0

- old
+ new

@@ -140,10 +140,16 @@
                 # Yield the configuration if needed
                 yield @config if block_given?
 
                 # Create credentials
                 credentials = @config.credentials
-                credentials ||= Credentials.default scope: @config.scope
+                # Use self-signed JWT if the scope and endpoint are unchanged from default,
+                # but only if the default endpoint does not have a region prefix.
+                enable_self_signed_jwt = @config.scope == Client.configure.scope &&
+                                         @config.endpoint == Client.configure.endpoint &&
+                                         !@config.endpoint.split(".").first.include?("-")
+                credentials ||= Credentials.default scope:                  @config.scope,
+                                                    enable_self_signed_jwt: enable_self_signed_jwt
                 if credentials.is_a?(String) || credentials.is_a?(Hash)
                   credentials = Credentials.new credentials, scope: @config.scope
                 end
                 @quota_project_id = @config.quota_project
                 @quota_project_id ||= credentials.quota_project_id if credentials.respond_to? :quota_project_id