Plugins » Docker

module Containers

  class StepsController < ::ApplicationController

    include Wicked::Wizard

    include ForemanDocker::FindContainer

    steps :preliminary, :image, :configuration, :environment

    before_filter :find_state

    before_filter :build_state, :only => [:update]

    before_filter :set_form, :only => [:show]

    def show

      @container_resources = allowed_resources if step == :preliminary

      render_wizard

    end

    def update

      if step == wizard_steps.last

        if process_resource!(@state).nil?

          render_wizard @state

        else

          params[:start_on_create] ? create_container : create_container(false)

        end

      else

        render_wizard @state

      end

    end

    private

    def find_state

      @state = DockerContainerWizardState.find(params[:wizard_state_id])

    rescue ActiveRecord::RecordNotFound

      not_found

    end

    def build_state

      s = @state.send(:"build_#{step}", params[:"docker_container_wizard_states_#{step}"])

      instance_variable_set("@docker_container_wizard_states_#{step}", s)

    end

    def set_form

      instance_variable_set(

          "@docker_container_wizard_states_#{step}",

          @state.send(:"#{step}") || @state.send(:"build_#{step}"))

    end

    def create_container(start = true)

      @state.send(:"create_#{step}", params[:"docker_container_wizard_states_#{step}"])

      service = Service::Containers.new

      container = if start.is_a? TrueClass

                    service.start_container!(@state)

                  else

                    service.create_container!(@state)

                  end

      if container.present?

        process_success(:object => container, :success_redirect => container_path(container))

      else

        @docker_container_wizard_states_environment = @state.environment

        process_error(

            :error_msg => service.errors.full_messages.join(','),

            :object => @state.environment,

            :render => 'environment')

      end

    end

  end

end