1 files changed, 26 insertions, 2 deletions
diff --git a/app/finders/projects/serverless/functions_finder.rb b/app/finders/projects/serverless/functions_finder.rb
index 2f2816a4a08..d9802598c64 100644
--- a/app/finders/projects/serverless/functions_finder.rb
+++ b/app/finders/projects/serverless/functions_finder.rb
@@ -3,8 +3,9 @@
 module Projects
   module Serverless
     class FunctionsFinder
-      def initialize(clusters)
-        @clusters = clusters
+      def initialize(project)
+        @clusters = project.clusters
+        @project = project
       end
 
       def execute
@@ -19,6 +20,23 @@ module Projects
         knative_service(environment_scope, name)&.first
       end
 
+      def invocation_metrics(environment_scope, name)
+        return unless prometheus_adapter&.can_query?
+
+        cluster = clusters_with_knative_installed.preload_knative.find do |c|
+          environment_scope == c.environment_scope
+        end
+
+        func = ::Serverless::Function.new(@project, name, cluster.platform_kubernetes&.actual_namespace)
+        prometheus_adapter.query(:knative_invocation, func)
+      end
+
+      def has_prometheus?(environment_scope)
+        clusters_with_knative_installed.preload_knative.to_a.any? do |cluster|
+          environment_scope == cluster.environment_scope && cluster.application_prometheus_available?
+        end
+      end
+
       private
 
       def knative_service(environment_scope, name)
@@ -55,6 +73,12 @@ module Projects
       def clusters_with_knative_installed
         @clusters.with_knative_installed
       end
+
+      # rubocop: disable CodeReuse/ServiceClass
+      def prometheus_adapter
+        @prometheus_adapter ||= ::Prometheus::AdapterService.new(@project).prometheus_adapter
+      end
+      # rubocop: enable CodeReuse/ServiceClass
     end
   end
 end