fate#319238 is basically functional now.

It is basically functional now. It can create / delete targets,
create / delete luns, create / change portals, create / delete /
change ACLs and other features.

Still need a better UI layout, help docs and y2logs.

Rakefile

@@ -0,0 +1 @@
+require "yast/rake"

src/clients/target.rb

@@ -0,0 +1,86 @@
+# Simple example to demonstrate object API for CWM
+
+#require_relative "example_helper"
+require './src/lib/TargetData.rb'
+require './src/lib/dialogs/UI_dialogs.rb'
+require "cwm/widget"
+require "ui/service_status"
+require "yast"
+
+Yast.import "CWM"
+Yast.import "CWMTab"
+Yast.import "TablePopup"
+Yast.import "CWMServiceStart"
+Yast.import "Popup"
+Yast.import "Wizard"
+Yast.import "CWMFirewallInterfaces"
+Yast.import "Service"
+Yast.import "CWMServiceStart"
+Yast.import "UI"
+
+
+module Yast
+  class ISCSILioServer
+    include Yast::I18n
+    include Yast::UIShortcuts
+    include Yast::Logger
+    def run
+      textdomain "iscsi-lio-server"
+      msg = ""
+      global_tab = GlobalTab.new
+      targets_tab = TargetsTab.new
+      service_tab = ServiceTab.new
+      tabs = ::CWM::Tabs.new(service_tab,global_tab,targets_tab)
+      contents = VBox(tabs,VStretch())
+      Yast::Wizard.CreateDialog
+      ret = CWM.show(contents, caption: _("Yast iSCSI Targets"),next_button: _("Finish"))
+      Yast::Wizard.CloseDialog
+      if ret == :next
+        status = $discovery_auth.fetch_status()
+        userid = $discovery_auth.fetch_userid()
+        password = $discovery_auth.fetch_password()
+        mutual_userid = $discovery_auth.fetch_mutual_userid()
+        mutual_password = $discovery_auth.fetch_mutual_password()
+        cmd = 'targetcli'
+        p1 = "iscsi/ set discovery_auth "
+        if userid.empty? != true
+          p1 += ("userid=" + userid + " ")
+        end
+        if password != nil
+          p1 += ("password=" + password + " ")
+        end
+        if mutual_userid != nil
+          p1 += ("mutual_userid=" + mutual_userid + " ")
+        end
+        if mutual_password != nil
+          p1 += ("mutual_password=" + mutual_password)
+        end
+
+        if status == true
+          p1 += " enable=1"
+          if (userid == mutual_userid)
+            msg = _("It seems that Authentication by Initiators and Authentication by Targets using a same username")
+            msg += _("This may cause a CHAP negotiation error, an authenticaiton failure.")
+          end
+        else
+          p1 = "iscsi/ set discovery_auth enable = 0"
+        end
+        begin
+          Cheetah.run(cmd, p1)
+        rescue Cheetah::ExecutionFailed => e
+          if e.stderr != nil
+            err_msg = _("Failed to set discovery authentication with errors: ")
+            err_msg += e.stderr
+            Yast::Popup.Error(err_msg)
+          end
+        end
+      end
+    end
+  end
+end
+
+$target_data = TargetData.new
+$global_data = Global.new
+$global_data.execute_init_commands
+$discovery_auth = DiscoveryAuth.new
+Yast::ISCSILioServer.new.run