Add gitlab-managed option to clusters form

When this option is enabled, GitLab will create namespaces and service
accounts as usual. When disabled, GitLab wont create any project
specific kubernetes resources

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/56557

2 files changed, 30 insertions, 0 deletions

diff --git a/spec/models/clusters/cluster_spec.rb b/spec/models/clusters/cluster_spec.rb
index 894ef3fb956..e1506c06044 100644
--- a/spec/models/clusters/cluster_spec.rb
+++ b/spec/models/clusters/cluster_spec.rb
@@ -95,6 +95,24 @@ describe Clusters::Cluster do
     it { is_expected.to contain_exactly(cluster) }
   end
 
+  describe '.managed' do
+    subject do
+      described_class.managed
+    end
+
+    context 'cluster is not managed' do
+      let!(:cluster) { create(:cluster, :not_managed) }
+
+      it { is_expected.not_to include(cluster) }
+    end
+
+    context 'cluster is managed' do
+      let!(:cluster) { create(:cluster) }
+
+      it { is_expected.to include(cluster) }
+    end
+  end
+
   describe '.missing_kubernetes_namespace' do
     let!(:cluster) { create(:cluster, :provided_by_gcp, :project) }
     let(:project) { cluster.project }
diff --git a/spec/models/clusters/platforms/kubernetes_spec.rb b/spec/models/clusters/platforms/kubernetes_spec.rb
index 0281dd2c303..e35d14f2282 100644
--- a/spec/models/clusters/platforms/kubernetes_spec.rb
+++ b/spec/models/clusters/platforms/kubernetes_spec.rb
@@ -331,6 +331,18 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
             { key: 'KUBE_TOKEN', value: kubernetes.token, public: false }
           )
         end
+
+        context 'the cluster is not managed' do
+          let!(:cluster) { create(:cluster, :group, :not_managed, platform_kubernetes: kubernetes) }
+
+          it_behaves_like 'setting variables'
+
+          it 'sets KUBE_TOKEN' do
+            expect(subject).to include(
+              { key: 'KUBE_TOKEN', value: kubernetes.token, public: false, masked: true }
+            )
+          end
+        end
       end
 
       context 'kubernetes namespace exists for the project' do