class MetricsController < ActionController::Base include RequiresWhitelistedMonitoringClient protect_from_forgery with: :exception before_action :validate_prometheus_metrics def index render text: metrics_service.metrics_text, content_type: 'text/plain; version=0.0.4' end private def metrics_service @metrics_service ||= MetricsService.new end def validate_prometheus_metrics render_404 unless Gitlab::Metrics.prometheus_metrics_enabled? end end