Add additional cluster usage metrics

lib/gitlab/usage_data.rb

@@ -50,6 +50,12 @@ module Gitlab
             clusters: ::Clusters::Cluster.count,
             clusters_enabled: ::Clusters::Cluster.enabled.count,
             clusters_disabled: ::Clusters::Cluster.disabled.count,
+            clusters_gke: ::Clusters::Cluster.where(provider_type: ::Clusters::Cluster.provider_types[:gcp]).count,
+            clusters_user: ::Clusters::Cluster.where(provider_type: ::Clusters::Cluster.provider_types[:user]).count,
+            clusters_helm: ::Clusters::Applications::Helm.count,
+            clusters_ingress: ::Clusters::Applications::Ingress.count,
+            clusters_prometheus: ::Clusters::Applications::Prometheus.count,
+            clusters_runner: ::Clusters::Applications::Runner.count,
             in_review_folder: ::Environment.in_review_folder.count,
             groups: Group.count,
             issues: Issue.count,

spec/lib/gitlab/usage_data_spec.rb

@@ -64,6 +64,12 @@ describe Gitlab::UsageData do
         clusters
         clusters_enabled
         clusters_disabled
+        clusters_gke
+        clusters_user
+        clusters_helm
+        clusters_ingress
+        clusters_prometheus
+        clusters_runner
         in_review_folder
         groups
         issues