1 files changed, 0 insertions, 105 deletions
diff --git a/db/importers/common_metrics_importer.rb b/db/importers/common_metrics_importer.rb
deleted file mode 100644
index 195bde8f34a..00000000000
--- a/db/importers/common_metrics_importer.rb
+++ /dev/null
@@ -1,105 +0,0 @@
-# frozen_string_literal: true
-
-module Importers
-  class PrometheusMetric < ActiveRecord::Base
-    enum group: {
-      # built-in groups
-      nginx_ingress_vts: -1,
-      ha_proxy: -2,
-      aws_elb: -3,
-      nginx: -4,
-      kubernetes: -5,
-      nginx_ingress: -6,
-
-      # custom groups
-      business: 0,
-      response: 1,
-      system: 2
-    }
-
-    scope :common, -> { where(common: true) }
-
-    GROUP_TITLES = {
-      business: _('Business metrics (Custom)'),
-      response: _('Response metrics (Custom)'),
-      system: _('System metrics (Custom)'),
-      nginx_ingress_vts: _('Response metrics (NGINX Ingress VTS)'),
-      nginx_ingress: _('Response metrics (NGINX Ingress)'),
-      ha_proxy: _('Response metrics (HA Proxy)'),
-      aws_elb: _('Response metrics (AWS ELB)'),
-      nginx: _('Response metrics (NGINX)'),
-      kubernetes: _('System metrics (Kubernetes)')
-    }.freeze
-  end
-
-  class CommonMetricsImporter
-    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
-      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
-
-      PrometheusMetric.common.find_by(identifier: id) ||
-        PrometheusMetric.new(common: true, identifier: id)
-    end
-
-    def find_group_title_key(title)
-      PrometheusMetric.groups[find_group_title(title)]
-    end
-
-    def find_group_title(title)
-      PrometheusMetric::GROUP_TITLES.invert[title]
-    end
-  end
-end