Fix tests. Remove NOT NULL constraint from cluster.user.

app/models/clusters/platforms/kubernetes.rb

@@ -58,6 +58,9 @@ module Clusters
       def update_kubernetes_integration!
         raise 'Kubernetes service already configured' unless manages_kubernetes_service?
 
+        # This is neccesary, otheriwse enabled? returns true even though cluster updated with enabled: false
+        cluster.reload
+
         ensure_kubernetes_service&.update!(
           active: enabled?,
           api_url: api_url,

db/migrate/20171013094327_create_new_clusters_architectures.rb

@@ -3,7 +3,7 @@ class CreateNewClustersArchitectures < ActiveRecord::Migration
 
   def change
     create_table :clusters do |t|
-      t.references :user, null: false, index: true, foreign_key: { on_delete: :nullify }
+      t.references :user, index: true, foreign_key: { on_delete: :nullify }
 
       t.integer :provider_type
       t.integer :platform_type

db/schema.rb

@@ -507,7 +507,7 @@ ActiveRecord::Schema.define(version: 20171026082505) do
   add_index "cluster_providers_gcp", ["cluster_id"], name: "index_cluster_providers_gcp_on_cluster_id", unique: true, using: :btree
 
   create_table "clusters", force: :cascade do |t|
-    t.integer "user_id", null: false
+    t.integer "user_id"
     t.integer "provider_type"
     t.integer "platform_type"
     t.datetime_with_timezone "created_at", null: false

spec/javascripts/fixtures/clusters.rb

@@ -6,7 +6,7 @@ describe Projects::ClustersController, '(JavaScript fixtures)', type: :controlle
   let(:admin) { create(:admin) }
   let(:namespace) { create(:namespace, name: 'frontend-fixtures' )}
   let(:project) { create(:project, :repository, namespace: namespace) }
-  let(:cluster) { project.create_cluster!(gcp_cluster_name: "gke-test-creation-1", gcp_project_id: 'gitlab-internal-153318', gcp_cluster_zone: 'us-central1-a', gcp_cluster_size: '1', project_namespace: 'aaa', gcp_machine_type: 'n1-standard-1')}
+  let(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
 
   render_views
 

spec/lib/gitlab/import_export/all_models.yml

@@ -147,10 +147,16 @@ deploy_keys:
 - user
 - deploy_keys_projects
 - projects
-cluster:
-- project
+clusters:
+- projects
 - user
-- service
+cluster_projects:
+- projects
+- clusters
+provider_gcp:
+- cluster
+platform_kubernetes:
+- cluster
 services:
 - project
 - service_hook

spec/models/clusters/platforms/kubernetes_spec.rb

@@ -117,7 +117,6 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
       let(:kubernetes_service) { project.kubernetes_service }
 
       it 'updates KubernetesService' do
-        # TODO: This doesn't work as intended because `enabled?` in Clusters::Platforms::Kubernetes is still true without `reload`
         cluster.update(enabled: enabled)
 
         expect(kubernetes_service.active).to eq(enabled)
@@ -135,7 +134,7 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
       end
 
       it 'raises an error' do
-        expect{ cluster.save! }.to raise_error('Kubernetes service already configured')
+        expect { cluster.save! }.to raise_error('Kubernetes service already configured')
       end
     end
   end