Get rid of Redis when dealing with deploy tokens

We use controller actions to pass a newly created token and errors

app/controllers/projects/deploy_tokens_controller.rb

 class Projects::DeployTokensController < Projects::ApplicationController
   before_action :authorize_admin_project!
 
-  def create
-    @token = DeployTokens::CreateService.new(@project, current_user, deploy_token_params).execute
-
-    if @token.valid?
-      flash[:notice] = 'Your new project deploy token has been created.'
-    end
-
-    redirect_to project_settings_repository_path(project)
-  end
-
   def revoke
     @token = @project.deploy_tokens.find(params[:id])
     @token.revoke!

app/controllers/projects/settings/repository_controller.rb

@@ -4,14 +4,30 @@ module Projects
       before_action :authorize_admin_project!
 
       def show
+        render_show
+      end
+
+      def create_deploy_token
+        @new_deploy_token = DeployTokens::CreateService.new(@project, current_user, deploy_token_params).execute
+
+        if @new_deploy_token.valid?
+          flash[:notice] = 'Your new project deploy token has been created.'
+        end
+
+        render_show
+      end
+
+      private
+
+      def render_show
         @deploy_keys = DeployKeysPresenter.new(@project, current_user: current_user)
         @deploy_tokens = DeployTokensPresenter.new(@project.deploy_tokens.active, current_user: current_user, project: project)
 
         define_deploy_token
         define_protected_refs
-      end
 
-      private
+        render 'show'
+      end
 
       def define_protected_refs
         @protected_branches = @project.protected_branches.order(:name).page(params[:page])
@@ -55,9 +71,11 @@ module Projects
       end
 
       def define_deploy_token
-        attributes = @deploy_tokens.attributes_deploy_token
-        @deploy_token = DeployToken.new(attributes)
-        @deploy_token.valid? unless attributes.empty?
+        @new_deploy_token ||= DeployToken.new
+      end
+
+      def deploy_token_params
+        params.require(:deploy_token).permit(:name, :expires_at, :read_repository, :read_registry)
       end
     end
   end

app/helpers/deploy_tokens_helper.rb

 module DeployTokensHelper
-  def expand_deploy_tokens_section?(temporal_token, deploy_token)
-    temporal_token.present? ||
+  def expand_deploy_tokens_section?(deploy_token)
+    deploy_token.persisted? ||
       deploy_token.errors.present? ||
       Rails.env.test?
   end

app/presenters/projects/settings/deploy_tokens_presenter.rb

@@ -14,29 +14,6 @@ module Projects
           yield deploy_token
         end
       end
-
-      def temporal_token
-        @temporal_token ||= Gitlab::Redis::SharedState.with do |redis|
-          token = redis.get(deploy_token_key)
-          redis.del(deploy_token_key)
-          token
-        end
-      end
-
-      def attributes_deploy_token
-        @attributes_deploy_token ||= Gitlab::Redis::SharedState.with do |redis|
-          attributes_key = deploy_token_key + ":attributes"
-          attributes_content = redis.get(attributes_key) || '{}'
-          redis.del(attributes_key)
-          JSON.parse(attributes_content)
-        end
-      end
-
-      private
-
-      def deploy_token_key
-        @deploy_token_key ||= DeployToken.redis_shared_state_key(current_user.id)
-      end
     end
   end
 end

app/services/deploy_tokens/create_service.rb

 module DeployTokens
   class CreateService < BaseService
     def execute
-      @project.deploy_tokens.build.tap do |deploy_token|
-        deploy_token.attributes = params
-        deploy_token.save
-        store_deploy_token_info_in_redis(deploy_token)
-      end
-    end
-
-    private
-
-    def store_deploy_token_info_in_redis(deploy_token)
-      deploy_token_key = DeployToken.redis_shared_state_key(current_user.id)
-
-      if deploy_token.persisted?
-        store_in_redis(deploy_token_key, deploy_token.token)
-      else
-        store_deploy_attributes(deploy_token_key, deploy_token)
-      end
-    end
-
-    def store_deploy_attributes(deploy_token_key, deploy_token)
-      attributes = deploy_token.attributes.slice("name", "expires_at")
-      deploy_token_attributes_key = deploy_token_key + ":attributes"
-
-      store_in_redis(deploy_token_attributes_key, attributes.to_json)
-    end
-
-    def store_in_redis(key, value)
-      Gitlab::Redis::SharedState.with do |redis|
-        redis.set(key, value, ex: 3.minutes)
-      end
+      @project.deploy_tokens.build(params).tap(&:save)
     end
   end
 end

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

 %p.profile-settings-content
   = s_("DeployTokens|Pick a name for the application, and we'll give you a unique deploy token.")
 
-= form_for token, url: project_deploy_tokens_path(project), method: :post do |f|
+= form_for token, url: create_deploy_token_namespace_project_settings_repository_path(project.namespace, project), method: :post do |f|
   = form_errors(token)
 
   .form-group

app/views/projects/deploy_tokens/_index.html.haml

-- expanded = expand_deploy_tokens_section?(@deploy_tokens.temporal_token, @deploy_token)
+- expanded = expand_deploy_tokens_section?(@new_deploy_token)
 
 %section.settings.no-animate{ class: ('expanded' if expanded) }
   .settings-header
@@ -8,11 +8,11 @@
     %p
       = s_('DeployTokens|Deploy tokens allow read-only access to your repository and registry images.')
   .settings-content
-    - if @deploy_tokens.temporal_token
-      = render 'projects/deploy_tokens/new_deploy_token', new_token: @deploy_tokens.temporal_token
-
-    %h5.prepend-top-0
-      = s_('DeployTokens|Add a deploy token')
-    = render 'projects/deploy_tokens/form', project: @project, token: @deploy_token, presenter: @deploy_tokens
-    %hr
+    - if @new_deploy_token.persisted?
+      = render 'projects/deploy_tokens/new_deploy_token', deploy_token: @new_deploy_token
+    - else
+      %h5.prepend-top-0
+        = s_('DeployTokens|Add a deploy token')
+      = render 'projects/deploy_tokens/form', project: @project, token: @new_deploy_token, presenter: @deploy_tokens
+      %hr
     = render 'projects/deploy_tokens/table', project: @project, active_tokens: @deploy_tokens

app/views/projects/deploy_tokens/_new_deploy_token.html.haml

 .created-deploy-token-container
   %h5.prepend-top-0
     = s_('DeployTokens|Your New Deploy Token')
+
+  .form-group
+    = text_field_tag 'deploy-token-user', deploy_token.username, readonly: true, class: 'deploy-token-field form-control js-select-on-focus'
+    = clipboard_button(text: deploy_token.username, title: s_('DeployTokens|Copy deploy token username to clipboard'), placement: 'left')
+    %span.help-block.prepend-top-5.text-success= s_("DeployTokens|Use this username as a login.")
+
   .form-group
-    = text_field_tag 'deploy-token', new_token, readonly: true, class: 'deploy-token-field form-control js-select-on-focus'
-    = clipboard_button(text: new_token, title: s_('DeployTokens|Copy deploy token to clipboard'), placement: 'left')
-    %span.deploy-token-help-block.prepend-top-5.text-danger= s_("DeployTokens|Make sure you save it - you won't be able to access it again.")
+    = text_field_tag 'deploy-token', deploy_token.token, readonly: true, class: 'deploy-token-field form-control js-select-on-focus'
+    = clipboard_button(text: deploy_token.token, title: s_('DeployTokens|Copy deploy token to clipboard'), placement: 'left')
+    %span.help-block.prepend-top-5.text-danger= s_("DeployTokens|Use this token as a password. Make sure you save it - you won't be able to access it again.")
 
 %hr

app/views/projects/deploy_tokens/_table.html.haml

@@ -6,6 +6,7 @@
       %thead
         %tr
           %th= s_('DeployTokens|Name')
+          %th= s_('DeployTokens|Username')
           %th= s_('DeployTokens|Created')
           %th= s_('DeployTokens|Expires')
           %th= s_('DeployTokens|Scopes')
@@ -14,6 +15,7 @@
         - active_tokens.each do |token|
           %tr
             %td= token.name
+            %td= token.username
             %td= token.created_at.to_date.to_s(:medium)
             %td
               - if token.expires?

config/routes/project.rb

@@ -88,7 +88,7 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
         end
       end
 
-      resources :deploy_tokens, constraints: { id: /\d+/ }, only: :create do
+      resources :deploy_tokens, constraints: { id: /\d+/ }, only: [] do
         member do
           put :revoke
         end
@@ -432,7 +432,9 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
           post :reset_cache
         end
         resource :integrations, only: [:show]
-        resource :repository, only: [:show], controller: :repository
+        resource :repository, only: [:show], controller: :repository do
+          post :create_deploy_token, path: 'deploy_token/create'
+        end
       end
 
       # Since both wiki and repository routing contains wildcard characters

db/migrate/20180405142733_create_project_deploy_tokens.rb

@@ -7,13 +7,12 @@ class CreateProjectDeployTokens < ActiveRecord::Migration
     create_table :project_deploy_tokens do |t|
       t.integer :project_id, null: false
       t.integer :deploy_token_id, null: false
+      t.timestamps null: false
 
       t.foreign_key :deploy_tokens, column: :deploy_token_id, on_delete: :cascade
       t.foreign_key :projects, column: :project_id, on_delete: :cascade
 
-      t.timestamps null: false
+      t.index [:project_id, :deploy_token_id], unique: true
     end
-
-    add_index :project_deploy_tokens, [:project_id, :deploy_token_id], unique: true
   end
 end