module Gitlab module HealthChecks module SimpleAbstractCheck include BaseAbstractCheck def readiness check_result = check if is_successful?(check_result) HealthChecks::Result.new(true) elsif check_result.is_a?(Timeout::Error) HealthChecks::Result.new(false, "#{human_name} check timed out") else HealthChecks::Result.new(false, "unexpected #{human_name} check result: #{check_result}") end end def metrics result, elapsed = with_timing(&method(:check)) Rails.logger.error("#{human_name} check returned unexpected result #{result}") unless is_successful?(result) [ metric("#{metric_prefix}_timeout", result.is_a?(Timeout::Error) ? 1 : 0), metric("#{metric_prefix}_success", is_successful?(result) ? 1 : 0), metric("#{metric_prefix}_latency_seconds", elapsed) ] end private def metric_prefix raise NotImplementedError end def is_successful?(result) raise NotImplementedError end def check raise NotImplementedError end end end end