Instance level kubernetes clusters admin

Instance level clusters were already mostly supported, this change adds
admin area controllers for cluster CRUD

3 files changed, 19 insertions, 2 deletions

diff --git a/app/models/clusters/applications/runner.rb b/app/models/clusters/applications/runner.rb
index af648db3708..ceecd931bba 100644
--- a/app/models/clusters/applications/runner.rb
+++ b/app/models/clusters/applications/runner.rb
@@ -69,10 +69,12 @@ module Clusters
         }
 
         if cluster.group_type?
-          attributes.merge(groups: [group])
+          attributes[:groups] = [group]
         elsif cluster.project_type?
-          attributes.merge(projects: [project])
+          attributes[:projects] = [project]
         end
+
+        attributes
       end
 
       def gitlab_url
diff --git a/app/models/clusters/cluster.rb b/app/models/clusters/cluster.rb
index d2b1adacbfb..7220159ac95 100644
--- a/app/models/clusters/cluster.rb
+++ b/app/models/clusters/cluster.rb
@@ -177,6 +177,10 @@ module Clusters
     end
     alias_method :group, :first_group
 
+    def instance
+      Instance.new if instance_type?
+    end
+
     def kubeclient
       platform_kubernetes.kubeclient if kubernetes?
     end
diff --git a/app/models/clusters/instance.rb b/app/models/clusters/instance.rb
new file mode 100644
index 00000000000..fde83c5a8ad
--- /dev/null
+++ b/app/models/clusters/instance.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class Clusters::Instance
+  def clusters
+    Clusters::Cluster.instance_type
+  end
+
+  def feature_available?(feature)
+    ::Feature.enabled?(feature, default_enabled: true)
+  end
+end