Extend controllers to support a new data structure for manual Kubernetes clusters

app/controllers/projects/clusters/gcp_controller.rb

+class Projects::Clusters::GcpController < Projects::ApplicationController
+  before_action :authorize_read_cluster!
+  before_action :authorize_google_api, except: [:login]
+  before_action :authorize_create_cluster!, only: [:new, :create]
+  before_action :authorize_update_cluster!, only: [:update]
+  before_action :authorize_admin_cluster!, only: [:destroy]
+
+  def login
+    begin
+      state = generate_session_key_redirect(providers_gcp_new_namespace_project_clusters_url.to_s)
+
+      @authorize_url = GoogleApi::CloudPlatform::Client.new(
+        nil, callback_google_api_auth_url,
+        state: state).authorize_url
+    rescue GoogleApi::Auth::ConfigMissingError
+      # no-op
+    end
+  end
+
+  def new
+    @cluster = ::Clusters::Cluster.new.tap do |cluster|
+      cluster.build_provider_gcp
+    end
+  end
+
+  def create
+    @cluster = ::Clusters::CreateService
+      .new(project, current_user, create_params)
+      .execute(token_in_session)
+
+    if @cluster.persisted?
+      redirect_to project_cluster_path(project, @cluster)
+    else
+      puts "NOT PERSISTED"
+      render :new
+    end
+  end
+
+  private
+
+  def create_params
+    params.require(:cluster).permit(
+      :enabled,
+      :name,
+      provider_gcp_attributes: [
+        :gcp_project_id,
+        :zone,
+        :num_nodes,
+        :machine_type
+      ]).merge(
+        provider_type: :user,
+        platform_type: :kubernetes,
+      )
+  end
+
+  def authorize_google_api
+    unless GoogleApi::CloudPlatform::Client.new(token_in_session, nil)
+                                           .validate_token(expires_at_in_session)
+      redirect_to action: 'login'
+    end
+  end
+
+  def token_in_session
+    @token_in_session ||=
+      session[GoogleApi::CloudPlatform::Client.session_key_for_token]
+  end
+
+  def expires_at_in_session
+    @expires_at_in_session ||=
+      session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at]
+  end
+
+  def generate_session_key_redirect(uri)
+    GoogleApi::CloudPlatform::Client.new_session_key_for_redirect_uri do |key|
+      session[key] = uri
+    end
+  end
+end

app/controllers/projects/clusters/kubernetes_controller.rb

+class Projects::Clusters::KubernetesController < Projects::ApplicationController
+  before_action :authorize_read_cluster!
+  before_action :authorize_create_cluster!, only: [:new, :create]
+
+  def new
+    @cluster = ::Clusters::Cluster.new.tap do |cluster|
+      cluster.build_platform_kubernetes
+    end
+  end
+
+  def create
+    @cluster = ::Clusters::CreateService
+      .new(project, current_user, create_params)
+      .execute(nil)
+
+    if @cluster.persisted?
+      redirect_to project_cluster_path(project, @cluster)
+    else
+      render :new
+    end
+  end
+
+  private
+
+  def create_params
+    params.require(:cluster).permit(
+      :enabled,
+      :name,
+      platform_kubernetes_attributes: [
+        :namespace,
+        :api_url,
+        :token,
+        :ca_cert
+      ]).merge(
+        provider_type: :user,
+        platform_type: :kubernetes,
+      )
+  end
+end

app/controllers/projects/clusters_controller.rb

 class Projects::ClustersController < Projects::ApplicationController
-  before_action :cluster, except: [:login, :index, :new, :new_gcp, :create]
+  before_action :cluster, except: [:login, :index, :new]
   before_action :authorize_read_cluster!
-  before_action :authorize_create_cluster!, only: [:new, :new_gcp, :create]
-  before_action :authorize_google_api, only: [:new_gcp, :create]
+  before_action :authorize_create_cluster!, only: [:new]
   before_action :authorize_update_cluster!, only: [:update]
   before_action :authorize_admin_cluster!, only: [:destroy]
@@ -14,39 +13,6 @@ class Projects::ClustersController < Projects::ApplicationController
     end
   end
-  def login
-    begin
-      state = generate_session_key_redirect(providers_gcp_new_namespace_project_clusters_url.to_s)
-
-      @authorize_url = GoogleApi::CloudPlatform::Client.new(
-        nil, callback_google_api_auth_url,
-        state: state).authorize_url
-    rescue GoogleApi::Auth::ConfigMissingError
-      # no-op
-    end
-  end
-
-  def new
-  end
-
-  def new_gcp
-    @cluster = Clusters::Cluster.new.tap do |cluster|
-      cluster.build_provider_gcp
-    end
-  end
-
-  def create
-    @cluster = Clusters::CreateService
-      .new(project, current_user, create_params)
-      .execute(token_in_session)
-
-    if @cluster.persisted?
-      redirect_to project_cluster_path(project, @cluster)
-    else
-      render :new_gcp
-    end
-  end
-
   def status
     respond_to do |format|
       format.json do
@@ -88,49 +54,13 @@ class Projects::ClustersController < Projects::ApplicationController
   private
   def cluster
-    @cluster ||= project.cluster.present(current_user: current_user)
-  end
-
-  def create_params
-    params.require(:cluster).permit(
-      :enabled,
-      :name,
-      :provider_type,
-      provider_gcp_attributes: [
-        :gcp_project_id,
-        :zone,
-        :num_nodes,
-        :machine_type
-      ])
+    @cluster ||= project.clusters.find(params[:id]).present(current_user: current_user) || render_404
   end
   def update_params
     params.require(:cluster).permit(:enabled)
   end
-  def authorize_google_api
-    unless GoogleApi::CloudPlatform::Client.new(token_in_session, nil)
-                                           .validate_token(expires_at_in_session)
-      redirect_to action: 'login'
-    end
-  end
-
-  def token_in_session
-    @token_in_session ||=
-      session[GoogleApi::CloudPlatform::Client.session_key_for_token]
-  end
-
-  def expires_at_in_session
-    @expires_at_in_session ||=
-      session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at]
-  end
-
-  def generate_session_key_redirect(uri)
-    GoogleApi::CloudPlatform::Client.new_session_key_for_redirect_uri do |key|
-      session[key] = uri
-    end
-  end
-
   def authorize_update_cluster!
     access_denied! unless can?(current_user, :update_cluster, cluster)
   end

app/models/clusters/cluster.rb

@@ -28,6 +28,8 @@ module Clusters
     validates :name, cluster_name: true
     validate :restrict_modification, on: :update
+    validates_associated :provider_gcp, :platform_kubernetes
+
     delegate :status, to: :provider, allow_nil: true
     delegate :status_reason, to: :provider, allow_nil: true
     delegate :on_creation?, to: :provider, allow_nil: true
@@ -70,6 +72,10 @@ module Clusters
       return platform_kubernetes if kubernetes?
     end
+    def managed?
+      !user?
+    end
+
     def first_project
       return @first_project if defined?(@first_project)

app/views/projects/clusters/_form.html.haml

-.row
-  .col-sm-8.col-sm-offset-4
-    %p
-      - link_to_help_page = link_to(s_('ClusterIntegration|help page'), help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
-      = s_('ClusterIntegration|Read our %{link_to_help_page} on cluster integration.').html_safe % { link_to_help_page: link_to_help_page}
-      = form_for @cluster, url: namespace_project_clusters_path(@project.namespace, @project, @cluster), as: :cluster do |field|
-        = field.hidden_field :provider_type, value: :gcp
-        = form_errors(@cluster)
-        .form-group
-          = field.label :name, s_('ClusterIntegration|Cluster name')
-          = field.text_field :name, class: 'form-control'
-        = field.fields_for :provider_gcp, @cluster.provider_gcp do |provider_gcp_field|
-          .form-group
-            = provider_gcp_field.label :gcp_project_id, s_('ClusterIntegration|Google Cloud Platform project ID')
-            = link_to(s_('ClusterIntegration|See your projects'), 'https://console.cloud.google.com/home/dashboard', target: '_blank', rel: 'noopener noreferrer')
-            = provider_gcp_field.text_field :gcp_project_id, class: 'form-control'
-          .form-group
-            = provider_gcp_field.label :zone, s_('ClusterIntegration|Zone')
-            = link_to(s_('ClusterIntegration|See zones'), 'https://cloud.google.com/compute/docs/regions-zones/regions-zones', target: '_blank', rel: 'noopener noreferrer')
-            = provider_gcp_field.text_field :zone, class: 'form-control', placeholder: 'us-central1-a'
-
-          .form-group
-            = provider_gcp_field.label :num_nodes, s_('ClusterIntegration|Number of nodes')
-            = provider_gcp_field.text_field :num_nodes, class: 'form-control', placeholder: '3'
-
-          .form-group
-            = provider_gcp_field.label :machine_type, s_('ClusterIntegration|Machine type')
-            = link_to(s_('ClusterIntegration|See machine types'), 'https://cloud.google.com/compute/docs/machine-types', target: '_blank', rel: 'noopener noreferrer')
-            = provider_gcp_field.text_field :machine_type, class: 'form-control', placeholder: 'n1-standard-2'
-
-        .form-group
-          = field.submit s_('ClusterIntegration|Create cluster'), class: 'btn btn-save'
+.form_group.append-bottom-20
+  %label.append-bottom-10{ for: 'cluster-name' }
+    = s_('ClusterIntegration|Cluster name')
+  .input-group
+    %input.form-control.cluster-name{ value: @cluster.name, disabled: true }
+    %span.input-group-addon.clipboard-addon
+      = clipboard_button(text: @cluster.name, title: s_('ClusterIntegration|Copy cluster name'))
+= form_for @cluster, url: namespace_project_cluster_path(@project.namespace, @project, @cluster), as: :cluster do |field|
+  = form_errors(@cluster)
+  = field.fields_for :platform_kubernetes, @cluster.platform_kubernetes do |platform_kubernetes_field|
+    .form-group
+    = platform_kubernetes_field.label :api_url, s_('ClusterIntegration|API URL')
+    = platform_kubernetes_field.text_field :api_url, class: 'form-control', disabled: @cluster.managed?
+    .form-group
+    = platform_kubernetes_field.label :namespace, s_('ClusterIntegration|Project namespace (optional, unique)')
+    = platform_kubernetes_field.text_field :namespace, class: 'form-control', placeholder: Clusters::Platforms::Kubernetes.namespace_for_project(@project), disabled: @cluster.managed?
+  .form-group
+    = field.submit s_('ClusterIntegration|Save cluster'), class: 'btn btn-save'

app/views/projects/clusters/gcp/_form.html.haml

+.row
+  .col-sm-8.col-sm-offset-4
+    %p
+      - link_to_help_page = link_to(s_('ClusterIntegration|help page'), help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
+      = s_('ClusterIntegration|Read our %{link_to_help_page} on cluster integration.').html_safe % { link_to_help_page: link_to_help_page}
+
+      = form_for @cluster, url: providers_gcp_namespace_project_clusters_path(@project.namespace, @project), as: :cluster do |field|
+        = form_errors(@cluster)
+        .form-group
+          = field.label :name, s_('ClusterIntegration|Cluster name')
+          = field.text_field :name, class: 'form-control'
+
+        = field.fields_for :provider_gcp, @cluster.provider_gcp do |provider_gcp_field|
+          .form-group
+            = provider_gcp_field.label :gcp_project_id, s_('ClusterIntegration|Google Cloud Platform project ID')
+            = link_to(s_('ClusterIntegration|See your projects'), 'https://console.cloud.google.com/home/dashboard', target: '_blank', rel: 'noopener noreferrer')
+            = provider_gcp_field.text_field :gcp_project_id, class: 'form-control'
+
+          .form-group
+            = provider_gcp_field.label :zone, s_('ClusterIntegration|Zone')
+            = link_to(s_('ClusterIntegration|See zones'), 'https://cloud.google.com/compute/docs/regions-zones/regions-zones', target: '_blank', rel: 'noopener noreferrer')
+            = provider_gcp_field.text_field :zone, class: 'form-control', placeholder: 'us-central1-a'
+
+          .form-group
+            = provider_gcp_field.label :num_nodes, s_('ClusterIntegration|Number of nodes')
+            = provider_gcp_field.text_field :num_nodes, class: 'form-control', placeholder: '3'
+
+          .form-group
+            = provider_gcp_field.label :machine_type, s_('ClusterIntegration|Machine type')
+            = link_to(s_('ClusterIntegration|See machine types'), 'https://cloud.google.com/compute/docs/machine-types', target: '_blank', rel: 'noopener noreferrer')
+            = provider_gcp_field.text_field :machine_type, class: 'form-control', placeholder: 'n1-standard-4'
+
+        .form-group
+          = field.submit s_('ClusterIntegration|Create cluster'), class: 'btn btn-save'

app/views/projects/clusters/login.html.haml → app/views/projects/clusters/gcp/login.html.haml

@@ -3,9 +3,9 @@
 .row.prepend-top-default
   .col-sm-4
-    = render 'sidebar'
+    = render 'projects/clusters/sidebar'
   .col-sm-8
-    = render 'header'
+    = render 'projects/clusters/header'
 .row
   .col-sm-8.col-sm-offset-4.signin-with-google
     - if @authorize_url

app/views/projects/clusters/new_gcp.html.haml → app/views/projects/clusters/gcp/new.html.haml

@@ -3,8 +3,8 @@
 .row.prepend-top-default
   .col-sm-4
-    = render 'sidebar'
+    = render 'projects/clusters/sidebar'
   .col-sm-8
-    = render 'header'
+    = render 'projects/clusters/header'
 = render 'form'

app/views/projects/clusters/kubernetes/_form.html.haml

+.row
+  .col-sm-8.col-sm-offset-4
+    %p
+      - link_to_help_page = link_to(s_('ClusterIntegration|help page'), help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
+      = s_('ClusterIntegration|Read our %{link_to_help_page} on cluster integration.').html_safe % { link_to_help_page: link_to_help_page}
+
+      = form_for @cluster, url: platforms_kubernetes_namespace_project_clusters_path(@project.namespace, @project), as: :cluster do |field|
+        = form_errors(@cluster)
+        .form-group
+          = field.label :name, s_('ClusterIntegration|Cluster name')
+          = field.text_field :name, class: 'form-control'
+
+        = field.fields_for :platform_kubernetes, @cluster.platform_kubernetes do |platform_kubernetes_field|
+          .form-group
+          = platform_kubernetes_field.label :api_url, s_('ClusterIntegration|API URL')
+          = platform_kubernetes_field.text_field :api_url, class: 'form-control'
+
+          .form-group
+          = platform_kubernetes_field.label :token, s_('ClusterIntegration|Token')
+          = platform_kubernetes_field.text_field :token, class: 'form-control'
+
+          .form-group
+          = platform_kubernetes_field.label :ca_cert, s_('ClusterIntegration|Token')
+          = platform_kubernetes_field.text_field :ca_cert, class: 'form-control'
+
+          .form-group
+          = platform_kubernetes_field.label :namespace, s_('ClusterIntegration|Project namespace (optional, unique)')
+          = platform_kubernetes_field.text_field :namespace, class: 'form-control', placeholder: Clusters::Platforms::Kubernetes.namespace_for_project(@project)
+
+        .form-group
+          = field.submit s_('ClusterIntegration|Create cluster'), class: 'btn btn-save'

app/views/projects/clusters/kubernetes/new.html.haml

+- breadcrumb_title "Cluster"
+- page_title _("New Cluster")
+
+.row.prepend-top-default
+  .col-sm-4
+    = render 'projects/clusters/sidebar'
+  .col-sm-8
+    = render 'projects/clusters/header'
+
+= render 'form'

app/views/projects/clusters/new.html.haml

@@ -14,7 +14,7 @@
     - else
       %h4.prepend-top-0= s_('ClusterIntegration|Choose how to set up cluster integration')
-      %p= s_('ClusterIntegration|Create a new cluster on Google Container Engine right from GitLab')
+      %p= s_('ClusterIntegration| Create a new cluster on Google Engine right from GitLab')
       = link_to s_('ClusterIntegration|Create on GKE'), providers_gcp_new_namespace_project_clusters_path(@project.namespace, @project), class: 'btn append-bottom-20'
-      %p= s_('ClusterIntegration|Enter the details for an existing Kubernetes cluster')
-      = link_to s_('ClusterIntegration|Add an existing cluster'), edit_project_service_path(@project, :kubernetes), class: 'btn append-bottom-20'
+      %p= s_('ClusterIntegration| Enter the details for an existing Kubernetes cluster')
+      = link_to s_('ClusterIntegration|Add an existing cluster'), platforms_kubernetes_new_namespace_project_clusters_path(@project.namespace, @project), class: 'btn append-bottom-20'

app/views/projects/clusters/show.html.haml

@@ -66,14 +66,7 @@
       %p= s_('ClusterIntegration|See and edit the details for your cluster')
     .settings-content
-
-      .form_group.append-bottom-20
-        %label.append-bottom-10{ for: 'cluster-name' }
-          = s_('ClusterIntegration|Cluster name')
-        .input-group
-          %input.form-control.cluster-name{ value: @cluster.name, disabled: true }
-          %span.input-group-addon.clipboard-addon
-            = clipboard_button(text: @cluster.name, title: s_('ClusterIntegration|Copy cluster name'))
+      = render 'form'
   %section.settings.no-animate#js-cluster-advanced-settings{ class: ('expanded' if expanded) }
     .settings-header

config/routes/project.rb

@@ -183,10 +183,14 @@ constraints(ProjectUrlConstrainer.new) do
         end
       end
-      resources :clusters, except: [:edit] do
+      resources :clusters, except: [:edit, :create] do
         collection do
-          get :login
-          get '/providers/gcp/new', action: :new_gcp
+          get '/platforms/kubernetes/new', to: 'clusters/kubernetes#new'
+          post '/platforms/kubernetes', to: 'clusters/kubernetes#create'
+
+          get '/providers/gcp/new', to: 'clusters/gcp#new'
+          get '/providers/gcp/login', to: 'clusters/gcp#login'
+          post '/providers/gcp', to: 'clusters/gcp#create'
         end
         member do