adapt services according to settings in roles

src/Makefile.am

@@ -69,6 +69,7 @@ client_DATA = \
   clients/remote_finish.rb \
   clients/save_config_finish.rb \
   clients/save_hw_status_finish.rb \
+  clients/services_finish.rb \
   clients/snapshots_finish.rb \
   clients/ssh_import_proposal.rb \
   clients/ssh_import_auto.rb \
@@ -126,6 +127,7 @@ ylib_DATA = \
   lib/installation/snapshots_finish.rb \
   lib/installation/updates_manager.rb \
   lib/installation/update_repository.rb \
+  lib/installation/services.rb \
   lib/installation/ssh_config.rb \
   lib/installation/ssh_key.rb \
   lib/installation/ssh_config_file.rb \
@@ -190,6 +192,7 @@ ylibclient_DATA = \
   lib/installation/clients/proxy_finish.rb \
   lib/installation/clients/save_config_finish.rb \
   lib/installation/clients/save_hw_status_finish.rb \
+  lib/installation/clients/services_finish.rb \
   lib/installation/clients/ssh_import_proposal.rb \
   lib/installation/clients/ssh_settings_finish.rb \
   lib/installation/clients/stroj-casu.rb \

src/clients/services_finish.rb

@@ -0,0 +1,3 @@
+require "installation/clients/services_finish"
+
+::Installation::Clients::ServicesFinish.run

src/lib/installation/clients/inst_finish.rb

@@ -388,7 +388,8 @@ def save_config_steps
         "save_hw_status",
         "users",
         "autoinst_scripts2",
-        "installation_settings"
+        "installation_settings",
+        "services"
       ].freeze
 
     def save_settings_steps

src/lib/installation/clients/services_finish.rb

@@ -0,0 +1,17 @@
+require "installation/finish_client"
+require "installation/services"
+
+module Installation
+  module Clients
+    class ServicesFinish < ::Installation::FinishClient
+      def title
+        textdomain "installation"
+        _("Adapting system services ...")
+      end
+
+      def write
+        ::Installation::Services.write
+      end
+    end
+  end
+end

src/lib/installation/select_system_role.rb

@@ -19,6 +19,7 @@
 
 require "yast"
 require "ui/installation_dialog"
+require "installation/services"
 
 Yast.import "GetInstArgs"
 Yast.import "Popup"
@@ -34,7 +35,8 @@ class << self
 
     NON_OVERLAY_ATTRIBUTES = [
       "additional_dialogs",
-      "id"
+      "id",
+      "services"
     ].freeze
 
     def initialize
@@ -187,6 +189,17 @@ def apply_role(role_id)
       features = features.dup
       NON_OVERLAY_ATTRIBUTES.each { |a| features.delete(a) }
       Yast::ProductFeatures.SetOverlay(features)
+      adapt_services(role_id)
+    end
+
+    def adapt_services(role_id)
+      services = raw_roles.find { |r| r["id"] == role_id }["services"]
+      services ||= []
+
+      to_enable = services.map { |s| s["name"] }
+      log.info "enable for #{role_id} these services: #{to_enable.inspect}"
+
+      Installation::Services.enabled = to_enable
     end
 
     # the contents is an overlay for ProductFeatures sections

src/lib/installation/services.rb

@@ -0,0 +1,34 @@
+require "yast"
+
+Yast.import 'SystemdService'
+
+module Installation
+  # Represents services manipulation in installation.
+  class Services
+    class << self
+      include Yast::Logger
+
+      def enabled
+        @enabled ||= []
+        @enabled
+      end
+
+      def enabled=(services)
+        if !services.is_a?(::Array)
+          raise ArgumentError, "Services#enabled= allows only Array as " \
+            "argument, not #{services.inspect}"
+        end
+
+        @enabled = services
+      end
+
+      def write
+        enabled.each do |service|
+          log.info "Enabling service #{service}"
+          s = Yast::SystemdService.find!(service)
+          s.enable
+        end
+      end
+    end
+  end
+end