require 'prometheus/client/formats/text' class MetricsService CHECKS = [ Gitlab::HealthChecks::DbCheck, Gitlab::HealthChecks::RedisCheck, Gitlab::HealthChecks::FsShardsCheck ].freeze def prometheus_metrics_text Prometheus::Client::Formats::Text.marshal_multiprocess(multiprocess_metrics_path) end def health_metrics_text metrics = CHECKS.flat_map(&:metrics) formatter.marshal(metrics) end def metrics_text "#{health_metrics_text}#{prometheus_metrics_text}" end private def formatter @formatter ||= Gitlab::HealthChecks::PrometheusTextFormat.new end def multiprocess_metrics_path @multiprocess_metrics_path ||= Rails.root.join(ENV['prometheus_multiproc_dir']).freeze end end