Split metrics from health controller into metrics controller

1 files changed, 0 insertions, 29 deletions

diff --git a/app/controllers/health_controller.rb b/app/controllers/health_controller.rb
index 6f8038f6ec3..b646216caa2 100644
--- a/app/controllers/health_controller.rb
+++ b/app/controllers/health_controller.rb
@@ -22,37 +22,8 @@ class HealthController < ActionController::Base
     render_check_results(results)
   end
 
-  def metrics
-    response = health_metrics_text + "\n"
-
-    if Gitlab::Metrics.prometheus_metrics_enabled?
-      response += Prometheus::Client::Formats::Text.marshal_multiprocess(ENV['prometheus_multiproc_dir'])
-    end
-
-    render text: response, content_type: 'text/plain; version=0.0.4'
-  end
-
   private
 
-  def health_metrics_text
-    results = CHECKS.flat_map(&:metrics)
-
-    types = results.map(&:name)
-              .uniq
-              .map { |metric_name| "# TYPE #{metric_name} gauge" }
-    metrics = results.map(&method(:metric_to_prom_line))
-    types.concat(metrics).join("\n")
-  end
-
-  def metric_to_prom_line(metric)
-    labels = metric.labels&.map { |key, value| "#{key}=\"#{value}\"" }&.join(',') || ''
-    if labels.empty?
-      "#{metric.name} #{metric.value}"
-    else
-      "#{metric.name}{#{labels}} #{metric.value}"
-    end
-  end
-
   def render_check_results(results)
     flattened = results.flat_map do |name, result|
       if result.is_a?(Gitlab::HealthChecks::Result)