1 files changed, 55 insertions, 0 deletions
diff --git a/lib/gitlab/error_tracking/log_formatter.rb b/lib/gitlab/error_tracking/log_formatter.rb
new file mode 100644
index 00000000000..d004c4e20bb
--- /dev/null
+++ b/lib/gitlab/error_tracking/log_formatter.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module ErrorTracking
+    class LogFormatter
+      # Note: all the accesses to Raven's contexts here are to keep the
+      # backward-compatibility to Sentry's built-in integrations. In future,
+      # they can be removed.
+      def generate_log(exception, context_payload)
+        payload = {}
+
+        Gitlab::ExceptionLogFormatter.format!(exception, payload)
+        append_user_to_log!(payload, context_payload)
+        append_tags_to_log!(payload, context_payload)
+        append_extra_to_log!(payload, context_payload)
+
+        payload
+      end
+
+      private
+
+      def append_user_to_log!(payload, context_payload)
+        user_context = Raven.context.user.merge(context_payload[:user])
+        user_context.each do |key, value|
+          payload["user.#{key}"] = value
+        end
+      end
+
+      def append_tags_to_log!(payload, context_payload)
+        tags_context = Raven.context.tags.merge(context_payload[:tags])
+        tags_context.each do |key, value|
+          payload["tags.#{key}"] = value
+        end
+      end
+
+      def append_extra_to_log!(payload, context_payload)
+        extra = Raven.context.extra.merge(context_payload[:extra])
+        extra = extra.except(:server)
+
+        # The extra value for sidekiq is a hash whose keys are strings.
+        if extra[:sidekiq].is_a?(Hash) && extra[:sidekiq].key?('args')
+          sidekiq_extra = extra.delete(:sidekiq)
+          sidekiq_extra['args'] = Gitlab::ErrorTracking::Processor::SidekiqProcessor.loggable_arguments(
+            sidekiq_extra['args'], sidekiq_extra['class']
+          )
+          payload["extra.sidekiq"] = sidekiq_extra
+        end
+
+        extra.each do |key, value|
+          payload["extra.#{key}"] = value
+        end
+      end
+    end
+  end
+end