1 files changed, 20 insertions, 0 deletions
diff --git a/lib/google_cloud/authentication.rb b/lib/google_cloud/authentication.rb
new file mode 100644
index 00000000000..68dd0bdcccb
--- /dev/null
+++ b/lib/google_cloud/authentication.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module GoogleCloud
+  class Authentication
+    def initialize(scope:)
+      @scope = scope
+    end
+
+    def generate_access_token(client_email, private_key)
+      credentials = Google::Auth::ServiceAccountCredentials.make_creds(
+        json_key_io: StringIO.new({ client_email: client_email, private_key: private_key }.to_json),
+        scope: @scope
+      )
+      credentials.fetch_access_token!["access_token"]
+    rescue StandardError => e
+      ::Gitlab::ErrorTracking.track_exception(e, client_email: client_email)
+      nil
+    end
+  end
+end