1 files changed, 47 insertions, 0 deletions
diff --git a/app/services/metrics/dashboard/system_dashboard_service.rb b/app/services/metrics/dashboard/system_dashboard_service.rb
new file mode 100644
index 00000000000..fcd71aadb03
--- /dev/null
+++ b/app/services/metrics/dashboard/system_dashboard_service.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+# Fetches the system metrics dashboard and formats the output.
+# Use Gitlab::Metrics::Dashboard::Finder to retrive dashboards.
+module Metrics
+  module Dashboard
+    class SystemDashboardService < ::Metrics::Dashboard::BaseService
+      SYSTEM_DASHBOARD_PATH = 'config/prometheus/common_metrics.yml'
+      SYSTEM_DASHBOARD_NAME = 'Default'
+
+      class << self
+        def all_dashboard_paths(_project)
+          [{
+            path: SYSTEM_DASHBOARD_PATH,
+            display_name: SYSTEM_DASHBOARD_NAME,
+            default: true
+          }]
+        end
+
+        def system_dashboard?(filepath)
+          filepath == SYSTEM_DASHBOARD_PATH
+        end
+      end
+
+      private
+
+      def dashboard_path
+        SYSTEM_DASHBOARD_PATH
+      end
+
+      # Returns the base metrics shipped with every GitLab service.
+      def get_raw_dashboard
+        yml = File.read(Rails.root.join(dashboard_path))
+
+        YAML.safe_load(yml)
+      end
+
+      def cache_key
+        "metrics_dashboard_#{dashboard_path}"
+      end
+
+      def insert_project_metrics?
+        true
+      end
+    end
+  end
+end