Add ingress application

app/models/clusters/applications/ingress.rb

+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
+
+      enum ingress_type: {
+        nginx: 1
+      }
+
+      def self.application_name
+        self.to_s.demodulize.underscore
+      end
+
+      def name
+        self.class.application_name
+      end
+
+      def chart
+        'stable/nginx-ingress'
+      end
+    end
+  end
+end

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
@@ -59,7 +61,8 @@ module Clusters
     def applications
       [
-        application_helm || build_application_helm
+        application_helm || build_application_helm,
+        application_ingress || build_application_ingress
       ]
     end

db/migrate/20171106101200_create_clusters_kubernetes_ingress_apps.rb

+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

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: 20171031100710) do
+ActiveRecord::Schema.define(version: 20171106101200) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -464,9 +464,7 @@ ActiveRecord::Schema.define(version: 20171031100710) do
   create_table "cluster_platforms_kubernetes", 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.text "api_url"
+    t.string "api_url"
     t.text "ca_cert"
     t.string "namespace"
     t.string "username"
@@ -493,9 +491,6 @@ ActiveRecord::Schema.define(version: 20171031100710) do
   create_table "cluster_providers_gcp", force: :cascade do |t|
     t.integer "cluster_id", null: false
     t.integer "status"
-    t.integer "num_nodes", null: false
-    t.datetime_with_timezone "created_at", null: false
-    t.datetime_with_timezone "updated_at", null: false
     t.text "status_reason"
     t.string "gcp_project_id", null: false
     t.string "zone", null: false
@@ -513,10 +508,6 @@ ActiveRecord::Schema.define(version: 20171031100710) do
   create_table "clusters", force: :cascade do |t|
     t.integer "user_id"
-    t.integer "provider_type"
-    t.integer "platform_type"
-    t.datetime_with_timezone "created_at", null: false
-    t.datetime_with_timezone "updated_at", null: false
     t.boolean "enabled", default: true
     t.string "name", null: false
     t.integer "provider_type"
@@ -534,6 +525,17 @@ ActiveRecord::Schema.define(version: 20171031100710) 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
@@ -1888,6 +1890,7 @@ ActiveRecord::Schema.define(version: 20171031100710) do
   add_foreign_key "cluster_providers_gcp", "clusters", on_delete: :cascade
   add_foreign_key "clusters", "users", on_delete: :nullify
   add_foreign_key "clusters_applications_helm", "clusters", on_delete: :cascade
+  add_foreign_key "clusters_applications_ingress", "clusters", on_delete: :cascade
   add_foreign_key "container_repositories", "projects"
   add_foreign_key "deploy_keys_projects", "projects", name: "fk_58a901ca7e", on_delete: :cascade
   add_foreign_key "deployments", "projects", name: "fk_b9a3851b82", on_delete: :cascade