1 files changed, 0 insertions, 109 deletions
diff --git a/lib/gitlab/metrics/dashboard/stages/custom_metrics_inserter.rb b/lib/gitlab/metrics/dashboard/stages/custom_metrics_inserter.rb
deleted file mode 100644
index 3b49eb1c837..00000000000
--- a/lib/gitlab/metrics/dashboard/stages/custom_metrics_inserter.rb
+++ /dev/null
@@ -1,109 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module Metrics
-    module Dashboard
-      module Stages
-        class CustomMetricsInserter < BaseStage
-          # Inserts project-specific metrics into the dashboard
-          # config. If there are no project-specific metrics,
-          # this will have no effect.
-          def transform!
-            custom_metrics = PrometheusMetricsFinder.new(project: project, ordered: true).execute
-            custom_metrics = Gitlab::Utils.stable_sort_by(custom_metrics) { |metric| -metric.priority }
-
-            custom_metrics.each do |project_metric|
-              group = find_or_create_panel_group(dashboard[:panel_groups], project_metric)
-              panel = find_or_create_panel(group[:panels], project_metric)
-              find_or_create_metric(panel[:metrics], project_metric)
-            end
-          end
-
-          private
-
-          # Looks for a panel_group corresponding to the
-          # provided metric object. If unavailable, inserts one.
-          # @param panel_groups [Array<Hash>]
-          # @param metric [PrometheusMetric]
-          def find_or_create_panel_group(panel_groups, metric)
-            panel_group = find_panel_group(panel_groups, metric)
-            return panel_group if panel_group
-
-            panel_group = new_panel_group(metric)
-            panel_groups << panel_group
-
-            panel_group
-          end
-
-          # Looks for a panel corresponding to the provided
-          # metric object. If unavailable, inserts one.
-          # @param panels [Array<Hash>]
-          # @param metric [PrometheusMetric]
-          def find_or_create_panel(panels, metric)
-            panel = find_panel(panels, metric)
-            return panel if panel
-
-            panel = new_panel(metric)
-            panels << panel
-
-            panel
-          end
-
-          # Looks for a metric corresponding to the provided
-          # metric object. If unavailable, inserts one.
-          # @param metrics [Array<Hash>]
-          # @param metric [PrometheusMetric]
-          def find_or_create_metric(metrics, metric)
-            target_metric = find_metric(metrics, metric)
-            return target_metric if target_metric
-
-            target_metric = new_metric(metric)
-            metrics << target_metric
-
-            target_metric
-          end
-
-          def find_panel_group(panel_groups, metric)
-            return unless panel_groups
-
-            panel_groups.find { |group| group[:group] == metric.group_title }
-          end
-
-          def find_panel(panels, metric)
-            return unless panels
-
-            panel_identifiers = [DEFAULT_PANEL_TYPE, metric.title, metric.y_label]
-            panels.find { |panel| panel.values_at(:type, :title, :y_label) == panel_identifiers }
-          end
-
-          def find_metric(metrics, metric)
-            return unless metrics
-            return unless metric.identifier
-
-            metrics.find { |m| m[:id] == metric.identifier }
-          end
-
-          def new_panel_group(metric)
-            {
-              group: metric.group_title,
-              panels: []
-            }
-          end
-
-          def new_panel(metric)
-            {
-              type: DEFAULT_PANEL_TYPE,
-              title: metric.title,
-              y_label: metric.y_label,
-              metrics: []
-            }
-          end
-
-          def new_metric(metric)
-            metric.to_metric_hash
-          end
-        end
-      end
-    end
-  end
-end