New logfile for graphql queries

Specify dedicated logfile and logger class for GraphQL queries. Move
complexity analyzer to a dedicated class.

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/gitlab/graphql_logger.rb b/lib/gitlab/graphql_logger.rb
new file mode 100644
index 00000000000..aff3ff5f48d
--- /dev/null
+++ b/lib/gitlab/graphql_logger.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Gitlab
+  class GraphqlLogger < Gitlab::Logger
+    def self.file_name_noext
+      'graphql_json'
+    end
+
+    # duration
+    # complexity
+    # depth
+    # sanitized variables (?)
+    # a structured representation of the query (?)
+
+    def format_message(severity, timestamp, progname, msg)
+      "#{timestamp.to_s(:long)}: #{msg}\n"
+    end
+  end
+end