1 files changed, 0 insertions, 78 deletions
diff --git a/lib/gitlab/database_importers/common_metrics/importer.rb b/lib/gitlab/database_importers/common_metrics/importer.rb
deleted file mode 100644
index 6c61e05674e..00000000000
--- a/lib/gitlab/database_importers/common_metrics/importer.rb
+++ /dev/null
@@ -1,78 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module DatabaseImporters
-    module CommonMetrics
-      class Importer
-        MissingQueryId = Class.new(StandardError)
-
-        attr_reader :content
-
-        def initialize(filename = 'common_metrics.yml')
-          @content = YAML.load_file(Rails.root.join('config', 'prometheus', filename))
-        end
-
-        def execute
-          CommonMetrics::PrometheusMetric.reset_column_information
-
-          process_content do |id, attributes|
-            find_or_build_metric!(id)
-              .update!(**attributes)
-          end
-        end
-
-        private
-
-        def process_content(&blk)
-          content['panel_groups'].map do |group|
-            process_group(group, &blk)
-          end
-        end
-
-        def process_group(group, &blk)
-          attributes = {
-            group: find_group_title_key(group['group'])
-          }
-
-          group['panels'].map do |panel|
-            process_panel(panel, attributes, &blk)
-          end
-        end
-
-        def process_panel(panel, attributes, &blk)
-          attributes = attributes.merge(
-            title: panel['title'],
-            y_label: panel['y_label'])
-
-          panel['metrics'].map do |metric_details|
-            process_metric_details(metric_details, attributes, &blk)
-          end
-        end
-
-        def process_metric_details(metric_details, attributes, &blk)
-          attributes = attributes.merge(
-            legend: metric_details['label'],
-            query: metric_details['query_range'],
-            unit: metric_details['unit'])
-
-          yield(metric_details['id'], attributes)
-        end
-
-        def find_or_build_metric!(id)
-          raise MissingQueryId unless id
-
-          CommonMetrics::PrometheusMetric.common.find_by(identifier: id) ||
-            CommonMetrics::PrometheusMetric.new(common: true, identifier: id)
-        end
-
-        def find_group_title_key(title)
-          CommonMetrics::PrometheusMetricEnums.groups[find_group_title(title)]
-        end
-
-        def find_group_title(title)
-          CommonMetrics::PrometheusMetricEnums.group_titles.invert[title]
-        end
-      end
-    end
-  end
-end