Add option to sync single execution environment

app/controllers/execution_environments_controller.rb

@@ -4,7 +4,7 @@ class ExecutionEnvironmentsController < ApplicationController
   include CommonBehavior
 
   before_action :set_docker_images, only: %i[create edit new update]
-  before_action :set_execution_environment, only: MEMBER_ACTIONS + %i[execute_command shell statistics]
+  before_action :set_execution_environment, only: MEMBER_ACTIONS + %i[execute_command shell statistics sync_to_runner_management]
   before_action :set_testing_framework_adapters, only: %i[create edit new update]
 
   def authorize!
@@ -166,6 +166,20 @@ class ExecutionEnvironmentsController < ApplicationController
     update_and_respond(object: @execution_environment, params: execution_environment_params)
   end
 
+  def sync_to_runner_management
+    return unless Runner.management_active?
+
+    begin
+      Runner.strategy_class.sync_environment(@execution_environment)
+    rescue Runner::Error => e
+      Rails.logger.debug { "Runner error while synchronizing execution environment with id #{@execution_environment.id}: #{e.message}" }
+      Sentry.capture_exception(e)
+      redirect_to @execution_environment, alert: t('execution_environments.index.synchronize.failure', error: e.message)
+    else
+      redirect_to @execution_environment, notice: t('execution_environments.index.synchronize.success')
+    end
+  end
+
   def sync_all_to_runner_management
     authorize ExecutionEnvironment
 

app/policies/execution_environment_policy.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class ExecutionEnvironmentPolicy < AdminOnlyPolicy
-  %i[execute_command? shell? statistics? show?].each do |action|
+  %i[execute_command? shell? statistics? show? sync_to_runner_management?].each do |action|
     define_method(action) { admin? || author? }
   end
 

app/views/execution_environments/show.html.slim

@@ -1,6 +1,12 @@
-h1
+h1.d-inline-block = @execution_environment
-  = @execution_environment
+.btn-group.float-right
   = render('shared/edit_button', object: @execution_environment)
+  button.btn.btn-secondary.float-right.dropdown-toggle data-toggle='dropdown' type='button'
+  ul.dropdown-menu.dropdown-menu-right role='menu'
+    li = link_to(t('execution_environments.index.synchronize.button'), sync_to_runner_management_execution_environment_path(@execution_environment), method: :post, class: 'dropdown-item text-dark') if policy(@execution_environment).sync_to_runner_management?
+    li = link_to(t('execution_environments.index.shell'), shell_execution_environment_path(@execution_environment), class: 'dropdown-item text-dark') if policy(@execution_environment).shell?
+    li = link_to(t('shared.statistics'), statistics_execution_environment_path(@execution_environment), 'data-turbolinks' => "false", class: 'dropdown-item text-dark') if policy(@execution_environment).statistics?
+    li = link_to(t('shared.destroy'), @execution_environment, data: {confirm: t('shared.confirm_destroy')}, method: :delete, class: 'dropdown-item text-dark') if policy(@execution_environment).destroy?
 
 = row(label: 'execution_environment.name', value: @execution_environment.name)
 = row(label: 'execution_environment.user', value: link_to_if(policy(@execution_environment.author).show?, @execution_environment.author, @execution_environment.author))

config/locales/de.yml

@@ -303,6 +303,10 @@ de:
         not_synced_to_runner_management: Die Ausführungsumgebung wurde erstellt, aber aufgrund eines Fehlers nicht zum Runnermanagement synchronisiert.
     index:
       shell: Shell
+      synchronize:
+        button: Synchronisieren
+        success: Die Ausführungsumgebung wurde erfolgreich synchronisiert.
+        failure: "Beim Synchronisieren der Ausführungsumgebung ist folgender Fehler aufgetreten: %{error}"
       synchronize_all:
         button: Alle synchronisieren
         success: Alle Ausführungsumgebungen wurden erfolgreich synchronisiert.

config/locales/en.yml

@@ -303,6 +303,10 @@ en:
         not_synced_to_runner_management: The execution environment was created but not synced to the runner management due to an error.
     index:
       shell: Shell
+      synchronize:
+        button: Synchronize
+        success: The execution environemnt was synchronized successfully.
+        failure: "The execution environment could not be synchronised due to the following error: %{error}"
       synchronize_all:
         button: Synchronize all
         success: All execution environemnts were synchronized successfully.

config/routes.rb

@@ -66,6 +66,7 @@ Rails.application.routes.draw do
       get :shell
       post 'shell', as: :execute_command, action: :execute_command
       get :statistics
+      post :sync_to_runner_management
     end
 
     post :sync_all_to_runner_management, on: :collection