1 files changed, 0 insertions, 140 deletions
diff --git a/app/services/metrics/dashboard/base_service.rb b/app/services/metrics/dashboard/base_service.rb
deleted file mode 100644
index 5975fa28b0b..00000000000
--- a/app/services/metrics/dashboard/base_service.rb
+++ /dev/null
@@ -1,140 +0,0 @@
-# frozen_string_literal: true
-
-# Searches a projects repository for a metrics dashboard and formats the output.
-# Expects any custom dashboards will be located in `.gitlab/dashboards`
-module Metrics
-  module Dashboard
-    class BaseService < ::BaseService
-      include Gitlab::Metrics::Dashboard::Errors
-
-      STAGES = ::Gitlab::Metrics::Dashboard::Stages
-      SEQUENCE = [
-        STAGES::CommonMetricsInserter,
-        STAGES::MetricEndpointInserter,
-        STAGES::VariableEndpointInserter,
-        STAGES::PanelIdsInserter,
-        STAGES::TrackPanelType,
-        STAGES::UrlValidator
-      ].freeze
-
-      def get_dashboard
-        return error('Insufficient permissions.', :unauthorized) unless allowed?
-
-        success(dashboard: process_dashboard)
-      rescue StandardError => e
-        handle_errors(e)
-      end
-
-      # Summary of all known dashboards for the service.
-      # @return [Array<Hash>] ex) [{ path: String, default: Boolean }]
-      def self.all_dashboard_paths(_project)
-        raise NotImplementedError
-      end
-
-      # Returns an un-processed dashboard from the cache.
-      def raw_dashboard
-        Gitlab::Metrics::Dashboard::Cache.for(project).fetch(cache_key) { get_raw_dashboard }
-      end
-
-      # Should return true if this dashboard service is for an out-of-the-box
-      # dashboard.
-      # This method is overridden in app/services/metrics/dashboard/predefined_dashboard_service.rb.
-      # @return Boolean
-      def self.out_of_the_box_dashboard?
-        false
-      end
-
-      private
-
-      # Determines whether users should be able to view
-      # dashboards at all.
-      def allowed?
-        return false unless params[:environment]
-
-        project&.feature_available?(:metrics_dashboard, current_user)
-      end
-
-      # Returns a new dashboard Hash, supplemented with DB info
-      def process_dashboard
-        # Get the dashboard from cache/disk before beginning the benchmark.
-        dashboard = raw_dashboard
-        processed_dashboard = nil
-
-        benchmark_processing do
-          processed_dashboard = ::Gitlab::Metrics::Dashboard::Processor
-            .new(project, dashboard, sequence, process_params)
-            .process
-        end
-
-        processed_dashboard
-      end
-
-      def benchmark_processing
-        output = nil
-
-        processing_time_seconds = Benchmark.realtime { output = yield }
-
-        if output
-          processing_time_metric.observe(
-            processing_time_metric_labels,
-            processing_time_seconds * 1_000
-          )
-        end
-      end
-
-      def process_params
-        params
-      end
-
-      # @return [String] Relative filepath of the dashboard yml
-      def dashboard_path
-        params[:dashboard_path]
-      end
-
-      def load_yaml(data)
-        ::Gitlab::Config::Loader::Yaml.new(data).load_raw!
-      rescue Gitlab::Config::Loader::Yaml::NotHashError
-        # Raise more informative error in app/models/performance_monitoring/prometheus_dashboard.rb.
-        {}
-      rescue Gitlab::Config::Loader::Yaml::DataTooLargeError => exception
-        raise Gitlab::Metrics::Dashboard::Errors::LayoutError, exception.message
-      rescue Gitlab::Config::Loader::FormatError
-        raise Gitlab::Metrics::Dashboard::Errors::LayoutError, _('Invalid yaml')
-      end
-
-      # @return [Hash] an unmodified dashboard
-      def get_raw_dashboard
-        raise NotImplementedError
-      end
-
-      # @return [String]
-      def cache_key
-        raise NotImplementedError
-      end
-
-      def sequence
-        SEQUENCE
-      end
-
-      def processing_time_metric
-        @processing_time_metric ||= ::Gitlab::Metrics.summary(
-          :gitlab_metrics_dashboard_processing_time_ms,
-          'Metrics dashboard processing time in milliseconds'
-        )
-      end
-
-      def processing_time_metric_labels
-        {
-          stages: sequence_string,
-          service: self.class.name
-        }
-      end
-
-      # If @sequence is [STAGES::CommonMetricsInserter, STAGES::CustomMetricsInserter],
-      # this function will output `CommonMetricsInserter-CustomMetricsInserter`.
-      def sequence_string
-        sequence.map { |stage_class| stage_class.to_s.split('::').last }.join('-')
-      end
-    end
-  end
-end