Count grafana integrated projects

Add a count of grafana integrated projects
within the usage ping

app/models/grafana_integration.rb

@@ -16,6 +16,8 @@ class GrafanaIntegration < ApplicationRecord
 
   validates :enabled, inclusion: { in: [true, false] }
 
+  scope :enabled, -> { where(enabled: true) }
+
   def client
     return unless enabled?
 

lib/gitlab/usage_data.rb

@@ -78,6 +78,7 @@ module Gitlab
             clusters_applications_knative: count(::Clusters::Applications::Knative.available),
             clusters_applications_elastic_stack: count(::Clusters::Applications::ElasticStack.available),
             in_review_folder: count(::Environment.in_review_folder),
+            grafana_integrated_projects: count(GrafanaIntegration.enabled),
             groups: count(Group),
             issues: count(Issue),
             issues_with_associated_zoom_link: count(ZoomMeeting.added_to_issue),

spec/lib/gitlab/usage_data_spec.rb

@@ -48,6 +48,10 @@ describe Gitlab::UsageData do
       create(:clusters_applications_knative, :installed, cluster: gcp_cluster)
       create(:clusters_applications_elastic_stack, :installed, cluster: gcp_cluster)
 
+      create(:grafana_integration, project: projects[0], enabled: true)
+      create(:grafana_integration, project: projects[1], enabled: true)
+      create(:grafana_integration, project: projects[2], enabled: false)
+
       ProjectFeature.first.update_attribute('repository_access_level', 0)
     end
 
@@ -140,6 +144,7 @@ describe Gitlab::UsageData do
         clusters_applications_knative
         clusters_applications_elastic_stack
         in_review_folder
+        grafana_integrated_projects
         groups
         issues
         issues_with_associated_zoom_link
@@ -221,6 +226,7 @@ describe Gitlab::UsageData do
       expect(count_data[:clusters_applications_runner]).to eq(1)
       expect(count_data[:clusters_applications_knative]).to eq(1)
       expect(count_data[:clusters_applications_elastic_stack]).to eq(1)
+      expect(count_data[:grafana_integrated_projects]).to eq(2)
     end
 
     it 'works when queries time out' do