1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/gems/kubeclient/lib/kubeclient/google_application_default_credentials.rb b/vendor/gems/kubeclient/lib/kubeclient/google_application_default_credentials.rb
new file mode 100644
index 00000000000..78f99ec9f32
--- /dev/null
+++ b/vendor/gems/kubeclient/lib/kubeclient/google_application_default_credentials.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Kubeclient
+  # Get a bearer token from the Google's application default credentials.
+  class GoogleApplicationDefaultCredentials
+    class GoogleDependencyError < LoadError # rubocop:disable Lint/InheritException
+    end
+
+    class << self
+      def token
+        begin
+          require 'googleauth'
+        rescue LoadError => e
+          raise GoogleDependencyError,
+                'Error requiring googleauth gem. Kubeclient itself does not include the ' \
+                'googleauth gem. To support auth-provider gcp, you must include it in your ' \
+                "calling application. Failed with: #{e.message}"
+        end
+
+        scopes = [
+          'https://www.googleapis.com/auth/cloud-platform',
+          'https://www.googleapis.com/auth/userinfo.email'
+        ]
+
+        authorization = Google::Auth.get_application_default(scopes)
+        authorization.apply({})
+        authorization.access_token
+      end
+    end
+  end
+end