Merge branch 'add-ingress-to-cluster-applications' into 'master'

Add Ingress to cluster applications section

See merge request gitlab-org/gitlab-ce!15185

14 files changed, 325 insertions, 23 deletions

diff --git a/app/assets/javascripts/clusters/clusters_bundle.js b/app/assets/javascripts/clusters/clusters_bundle.js
index 5f421ea58ba..dc443475952 100644
--- a/app/assets/javascripts/clusters/clusters_bundle.js
+++ b/app/assets/javascripts/clusters/clusters_bundle.js
@@ -42,7 +42,7 @@ export default class Clusters {
     this.service = new ClustersService({
       endpoint: statusPath,
       installHelmEndpoint: installHelmPath,
-      installIngresEndpoint: installIngressPath,
+      installIngressEndpoint: installIngressPath,
       installRunnerEndpoint: installRunnerPath,
     });
 
diff --git a/app/assets/javascripts/clusters/components/applications.vue b/app/assets/javascripts/clusters/components/applications.vue
index 28da4cbe89d..e5ae439d26e 100644
--- a/app/assets/javascripts/clusters/components/applications.vue
+++ b/app/assets/javascripts/clusters/components/applications.vue
@@ -96,8 +96,17 @@ export default {
           :request-status="applications.helm.requestStatus"
           :request-reason="applications.helm.requestReason"
         />
+        <application-row
+         id="ingress"
+         :title="applications.ingress.title"
+         title-link="https://kubernetes.io/docs/concepts/services-networking/ingress/"
+         :description="ingressDescription"
+         :status="applications.ingress.status"
+         :status-reason="applications.ingress.statusReason"
+         :request-status="applications.ingress.requestStatus"
+         :request-reason="applications.ingress.requestReason"
+       />
         <!-- NOTE: Don't forget to update `clusters.scss` min-height for this block and uncomment `application_spec` tests -->
-        <!-- Add Ingress row, all other plumbing is complete -->
         <!-- Add GitLab Runner row, all other plumbing is complete -->
       </div>
     </div>
diff --git a/app/assets/stylesheets/pages/clusters.scss b/app/assets/stylesheets/pages/clusters.scss
index b9bfae9356c..e5b9e1f2de6 100644
--- a/app/assets/stylesheets/pages/clusters.scss
+++ b/app/assets/stylesheets/pages/clusters.scss
@@ -6,5 +6,5 @@
 
 .cluster-applications-table {
   // Wait for the Vue to kick-in and render the applications block
-  min-height: 179px;
+  min-height: 302px;
 }
diff --git a/app/models/clusters/applications/ingress.rb b/app/models/clusters/applications/ingress.rb
new file mode 100644
index 00000000000..44bd979741e
--- /dev/null
+++ b/app/models/clusters/applications/ingress.rb
@@ -0,0 +1,44 @@
+module Clusters
+  module Applications
+    class Ingress < ActiveRecord::Base
+      self.table_name = 'clusters_applications_ingress'
+
+      include ::Clusters::Concerns::ApplicationStatus
+
+      belongs_to :cluster, class_name: 'Clusters::Cluster', foreign_key: :cluster_id
+
+      validates :cluster, presence: true
+
+      default_value_for :ingress_type, :nginx
+      default_value_for :version, :nginx
+
+      after_initialize :set_initial_status
+
+      enum ingress_type: {
+        nginx: 1
+      }
+
+      def self.application_name
+        self.to_s.demodulize.underscore
+      end
+
+      def set_initial_status
+        return unless not_installable?
+
+        self.status = 'installable' if cluster&.application_helm_installed?
+      end
+
+      def name
+        self.class.application_name
+      end
+
+      def chart
+        'stable/nginx-ingress'
+      end
+
+      def install_command
+        Gitlab::Kubernetes::Helm::InstallCommand.new(name, false, chart)
+      end
+    end
+  end
+end
diff --git a/app/models/clusters/cluster.rb b/app/models/clusters/cluster.rb
index 68759ebb6df..185d9473aab 100644
--- a/app/models/clusters/cluster.rb
+++ b/app/models/clusters/cluster.rb
@@ -5,7 +5,8 @@ module Clusters
     self.table_name = 'clusters'
 
     APPLICATIONS = {
-      Applications::Helm.application_name => Applications::Helm
+      Applications::Helm.application_name => Applications::Helm,
+      Applications::Ingress.application_name => Applications::Ingress
     }.freeze
 
     belongs_to :user
@@ -20,6 +21,7 @@ module Clusters
     has_one :platform_kubernetes, class_name: 'Clusters::Platforms::Kubernetes', autosave: true, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
 
     has_one :application_helm, class_name: 'Clusters::Applications::Helm'
+    has_one :application_ingress, class_name: 'Clusters::Applications::Ingress'
 
     accepts_nested_attributes_for :provider_gcp, update_only: true
     accepts_nested_attributes_for :platform_kubernetes, update_only: true
@@ -62,7 +64,8 @@ module Clusters
 
     def applications
       [
-        application_helm || build_application_helm
+        application_helm || build_application_helm,
+        application_ingress || build_application_ingress
       ]
     end
 
diff --git a/app/views/projects/clusters/show.html.haml b/app/views/projects/clusters/show.html.haml
index be6784058ae..b7671f5e3c4 100644
--- a/app/views/projects/clusters/show.html.haml
+++ b/app/views/projects/clusters/show.html.haml
@@ -7,6 +7,7 @@
 - status_path = status_namespace_project_cluster_path(@cluster.project.namespace, @cluster.project, @cluster.id, format: :json) if can?(current_user, :admin_cluster, @cluster)
 .edit-cluster-form.js-edit-cluster-form{ data: { status_path: status_path,
   install_helm_path: install_applications_namespace_project_cluster_path(@cluster.project.namespace, @cluster.project, @cluster, :helm),
+  install_ingress_path: install_applications_namespace_project_cluster_path(@cluster.project.namespace, @cluster.project, @cluster, :ingress),
   toggle_status: @cluster.enabled? ? 'true': 'false',
   cluster_status: @cluster.status_name,
   cluster_status_reason: @cluster.status_reason,
diff --git a/changelogs/unreleased/add-ingress-to-cluster-applications.yml b/changelogs/unreleased/add-ingress-to-cluster-applications.yml
new file mode 100644
index 00000000000..0064e8672f8
--- /dev/null
+++ b/changelogs/unreleased/add-ingress-to-cluster-applications.yml
@@ -0,0 +1,5 @@
+---
+title: Add Ingress to available Cluster applications
+merge_request:
+author:
+type: added
diff --git a/db/migrate/20171106101200_create_clusters_kubernetes_ingress_apps.rb b/db/migrate/20171106101200_create_clusters_kubernetes_ingress_apps.rb
new file mode 100644
index 00000000000..21f48b1d1b4
--- /dev/null
+++ b/db/migrate/20171106101200_create_clusters_kubernetes_ingress_apps.rb
@@ -0,0 +1,21 @@
+class CreateClustersKubernetesIngressApps < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    create_table :clusters_applications_ingress do |t|
+      t.references :cluster, null: false, unique: true, foreign_key: { on_delete: :cascade }
+
+      t.datetime_with_timezone :created_at, null: false
+      t.datetime_with_timezone :updated_at, null: false
+
+      t.integer :status, null: false
+      t.integer :ingress_type, null: false
+
+      t.string :version, null: false
+      t.string :cluster_ip
+      t.text :status_reason
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 82e71a4dfe9..c60cb729b75 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171101134435) do
+ActiveRecord::Schema.define(version: 20171106101200) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -528,6 +528,17 @@ ActiveRecord::Schema.define(version: 20171101134435) do
     t.text "status_reason"
   end
 
+  create_table "clusters_applications_ingress", force: :cascade do |t|
+    t.integer "cluster_id", null: false
+    t.datetime_with_timezone "created_at", null: false
+    t.datetime_with_timezone "updated_at", null: false
+    t.integer "status", null: false
+    t.integer "ingress_type", null: false
+    t.string "version", null: false
+    t.string "cluster_ip"
+    t.text "status_reason"
+  end
+
   create_table "container_repositories", force: :cascade do |t|
     t.integer "project_id", null: false
     t.string "name", null: false
diff --git a/spec/factories/clusters/applications/ingress.rb b/spec/factories/clusters/applications/ingress.rb
new file mode 100644
index 00000000000..b103a980655
--- /dev/null
+++ b/spec/factories/clusters/applications/ingress.rb
@@ -0,0 +1,35 @@
+FactoryGirl.define do
+  factory :cluster_applications_ingress, class: Clusters::Applications::Ingress do
+    cluster factory: %i(cluster provided_by_gcp)
+
+    trait :not_installable do
+      status(-2)
+    end
+
+    trait :installable do
+      status 0
+    end
+
+    trait :scheduled do
+      status 1
+    end
+
+    trait :installing do
+      status 2
+    end
+
+    trait :installed do
+      status 3
+    end
+
+    trait :errored do
+      status(-1)
+      status_reason 'something went wrong'
+    end
+
+    trait :timeouted do
+      installing
+      updated_at ClusterWaitForAppInstallationWorker::TIMEOUT.ago
+    end
+  end
+end
diff --git a/spec/features/projects/clusters_spec.rb b/spec/features/projects/clusters_spec.rb
index 03d866f8bc1..197e6df4997 100644
--- a/spec/features/projects/clusters_spec.rb
+++ b/spec/features/projects/clusters_spec.rb
@@ -51,8 +51,10 @@ feature 'Clusters', :js do
           expect(page).to have_content('Cluster is being created on Google Container Engine...')
 
           # Application Installation buttons
-          expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
-          expect(page.find(:css, '.js-cluster-application-install-button').text).to eq('Install')
+          page.within('.js-cluster-application-row-helm') do
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button').text).to eq('Install')
+          end
 
           Clusters::Cluster.last.provider.make_created!
 
@@ -92,36 +94,78 @@ feature 'Clusters', :js do
         expect(page.find(:css, '.cluster-name').value).to eq(cluster.name)
 
         # Application Installation buttons
-        expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to be_nil
-        expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Install')
+        page.within('.js-cluster-application-row-helm') do
+          expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to be_nil
+          expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Install')
+        end
       end
 
-      context 'when user installs application: tiller' do
+      context 'when user installs application: Helm Tiller' do
         before do
           allow(ClusterInstallAppWorker).to receive(:perform_async).and_return(nil)
 
-          page.find(:css, '.js-cluster-application-install-button').click
+          page.within('.js-cluster-application-row-helm') do
+            page.find(:css, '.js-cluster-application-install-button').click
+          end
         end
 
         it 'user sees status transition' do
-          # FE sends request and gets the responce, then the buttons is "Install"
-          expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
-          expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Install')
+          page.within('.js-cluster-application-row-helm') do
+            # FE sends request and gets the response, then the buttons is "Install"
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Install')
+
+            Clusters::Cluster.last.application_helm.make_installing!
 
-          Clusters::Cluster.last.application_helm.make_installing!
+            # FE starts polling and update the buttons to "Installing"
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installing')
 
-          # FE starts pooling and update the buttons to "Installing"
-          expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
-          expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installing')
+            Clusters::Cluster.last.application_helm.make_installed!
 
-          Clusters::Cluster.last.application_helm.make_installed!
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installed')
+          end
 
-          expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
-          expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installed')
           expect(page).to have_content('Helm Tiller was successfully installed on your cluster')
         end
       end
 
+      context 'when user installs application: Ingress' do
+        before do
+          allow(ClusterInstallAppWorker).to receive(:perform_async).and_return(nil)
+          # Helm Tiller needs to be installed before you can install Ingress
+          create(:cluster_applications_helm, :installed, cluster: cluster)
+
+          visit project_clusters_path(project)
+
+          page.within('.js-cluster-application-row-ingress') do
+            page.find(:css, '.js-cluster-application-install-button').click
+          end
+        end
+
+        it 'user sees status transition' do
+          page.within('.js-cluster-application-row-ingress') do
+            # FE sends request and gets the response, then the buttons is "Install"
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Install')
+
+            Clusters::Cluster.last.application_ingress.make_installing!
+
+            # FE starts polling and update the buttons to "Installing"
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installing')
+
+            Clusters::Cluster.last.application_ingress.make_installed!
+
+            expect(page.find(:css, '.js-cluster-application-install-button')['disabled']).to eq('true')
+            expect(page.find(:css, '.js-cluster-application-install-button')).to have_content('Installed')
+          end
+
+          expect(page).to have_content('Ingress was successfully installed on your cluster')
+        end
+      end
+
       context 'when user disables the cluster' do
         before do
           page.find(:css, '.js-toggle-cluster').click
diff --git a/spec/javascripts/clusters/components/applications_spec.js b/spec/javascripts/clusters/components/applications_spec.js
index 5f59a00dc65..7460da031c4 100644
--- a/spec/javascripts/clusters/components/applications_spec.js
+++ b/spec/javascripts/clusters/components/applications_spec.js
@@ -29,11 +29,11 @@ describe('Applications', () => {
       expect(vm.$el.querySelector('.js-cluster-application-row-helm')).toBeDefined();
     });
 
-    /* * /
     it('renders a row for Ingress', () => {
       expect(vm.$el.querySelector('.js-cluster-application-row-ingress')).toBeDefined();
     });
 
+    /* * /
     it('renders a row for GitLab Runner', () => {
       expect(vm.$el.querySelector('.js-cluster-application-row-runner')).toBeDefined();
     });
diff --git a/spec/models/clusters/applications/ingress_spec.rb b/spec/models/clusters/applications/ingress_spec.rb
new file mode 100644
index 00000000000..b83472e1944
--- /dev/null
+++ b/spec/models/clusters/applications/ingress_spec.rb
@@ -0,0 +1,108 @@
+require 'rails_helper'
+
+describe Clusters::Applications::Ingress do
+  it { is_expected.to belong_to(:cluster) }
+  it { is_expected.to validate_presence_of(:cluster) }
+
+  describe '#name' do
+    it 'is .application_name' do
+      expect(subject.name).to eq(described_class.application_name)
+    end
+
+    it 'is recorded in Clusters::Cluster::APPLICATIONS' do
+      expect(Clusters::Cluster::APPLICATIONS[subject.name]).to eq(described_class)
+    end
+  end
+
+  describe '#status' do
+    let(:cluster) { create(:cluster, :provided_by_gcp) }
+
+    subject { described_class.new(cluster: cluster) }
+
+    it 'defaults to :not_installable' do
+      expect(subject.status_name).to be(:not_installable)
+    end
+
+    context 'when application helm is scheduled' do
+      before do
+        create(:cluster_applications_helm, :scheduled, cluster: cluster)
+      end
+
+      it 'defaults to :not_installable' do
+        expect(subject.status_name).to be(:not_installable)
+      end
+    end
+
+    context 'when application helm is installed' do
+      before do
+        create(:cluster_applications_helm, :installed, cluster: cluster)
+      end
+
+      it 'defaults to :installable' do
+        expect(subject.status_name).to be(:installable)
+      end
+    end
+  end
+
+  describe '#install_command' do
+    it 'has all the needed information' do
+      expect(subject.install_command).to have_attributes(name: subject.name, install_helm: false, chart: subject.chart)
+    end
+  end
+
+  describe 'status state machine' do
+    describe '#make_installing' do
+      subject { create(:cluster_applications_ingress, :scheduled) }
+
+      it 'is installing' do
+        subject.make_installing!
+
+        expect(subject).to be_installing
+      end
+    end
+
+    describe '#make_installed' do
+      subject { create(:cluster_applications_ingress, :installing) }
+
+      it 'is installed' do
+        subject.make_installed
+
+        expect(subject).to be_installed
+      end
+    end
+
+    describe '#make_errored' do
+      subject { create(:cluster_applications_ingress, :installing) }
+      let(:reason) { 'some errors' }
+
+      it 'is errored' do
+        subject.make_errored(reason)
+
+        expect(subject).to be_errored
+        expect(subject.status_reason).to eq(reason)
+      end
+    end
+
+    describe '#make_scheduled' do
+      subject { create(:cluster_applications_ingress, :installable) }
+
+      it 'is scheduled' do
+        subject.make_scheduled
+
+        expect(subject).to be_scheduled
+      end
+
+      describe 'when was errored' do
+        subject { create(:cluster_applications_ingress, :errored) }
+
+        it 'clears #status_reason' do
+          expect(subject.status_reason).not_to be_nil
+
+          subject.make_scheduled!
+
+          expect(subject.status_reason).to be_nil
+        end
+      end
+    end
+  end
+end
diff --git a/spec/models/clusters/cluster_spec.rb b/spec/models/clusters/cluster_spec.rb
index 12123a3d753..b91a5e7a272 100644
--- a/spec/models/clusters/cluster_spec.rb
+++ b/spec/models/clusters/cluster_spec.rb
@@ -178,4 +178,25 @@ describe Clusters::Cluster do
       it { is_expected.to be_nil }
     end
   end
+
+  describe '#applications' do
+    set(:cluster) { create(:cluster) }
+
+    subject { cluster.applications }
+
+    context 'when none of applications are created' do
+      it 'returns a list of a new objects' do
+        is_expected.not_to be_empty
+      end
+    end
+
+    context 'when applications are created' do
+      let!(:helm) { create(:cluster_applications_helm, cluster: cluster) }
+      let!(:ingress) { create(:cluster_applications_ingress, cluster: cluster) }
+
+      it 'returns a list of created applications' do
+        is_expected.to contain_exactly(helm, ingress)
+      end
+    end
+  end
 end