Remove VMware MKS consoles and the old VMRC plugin support

https://bugzilla.redhat.com/show_bug.cgi?id=1440811

app/controllers/ops_controller/settings/common.rb

@@ -910,7 +910,7 @@ def settings_set_form_vars
       @edit[:current].config[:server][:role] = @edit[:current].config[:server][:role] ? @edit[:current].config[:server][:role].split(",").sort.join(",") : ""
       @edit[:current].config[:server][:timezone] = "UTC" if @edit[:current].config[:server][:timezone].blank?
       @edit[:current].config[:server][:locale] = "default" if @edit[:current].config[:server][:locale].blank?
-      @edit[:current].config[:server][:remote_console_type] ||= "MKS"
+      @edit[:current].config[:server][:remote_console_type] ||= "VNC"
       @edit[:current].config[:smtp][:enable_starttls_auto] = GenericMailer.default_for_enable_starttls_auto if @edit[:current].config[:smtp][:enable_starttls_auto].nil?
       @edit[:current].config[:smtp][:openssl_verify_mode] ||= nil
       @edit[:current].config[:ntp] ||= {}

app/controllers/vm_remote.rb

@@ -26,11 +26,6 @@ def launch_vmware_console
     console_type = ::Settings.server.remote_console_type.downcase
     @vm = @record = identify_record(params[:id], VmOrTemplate)
     options = case console_type
-              when "mks"
-                @sb[:mks].update(
-                  :version     => ::Settings.server.mks_version,
-                  :mks_classid => ::Settings.server.mks_classid
-                )
               when "webmks"
                 override_content_security_policy_directives(
                   :connect_src => ["'self'", "wss://#{params[:host]}"]
@@ -113,7 +108,7 @@ def console_before_task(console_type)
     end
   end
 
-  # Task complete, show error or launch console using VNC/MKS/VMRC task info
+  # Task complete, show error or launch console using VNC/WebMKS/VMRC task info
   def console_after_task(console_type)
     miq_task = MiqTask.find(params[:task_id])
     unless miq_task.results_ready?

app/helpers/application_helper/button/vm_console.rb

@@ -1,23 +1,6 @@
 class ApplicationHelper::Button::VmConsole < ApplicationHelper::Button::Basic
   needs :@record
 
-  def visible?
-    console_supports_type?('MKS')
-  end
-
-  def disabled?
-    unless supported_browser? && supported_os?
-      @error_message = _('The web-based console is only available on IE, Firefox or Chrome (Windows/Linux)')
-      return true
-    end
-
-    yield if block_given?
-    return true if @error_message.present?
-
-    @error_message = _('The web-based console is not available because the VM is not powered on') unless on?
-    @error_message.present?
-  end
-
   private
 
   def vmware?
@@ -35,12 +18,4 @@ def console_supports_type?(supported_type)
   def on?
     @record.current_state == 'on'
   end
-
-  def supported_browser?
-    @view_context.is_browser?(%w(explorer firefox mozilla chrome))
-  end
-
-  def supported_os?
-    @view_context.is_browser_os?(%w(windows linux))
-  end
 end

app/helpers/application_helper/button/vm_vmrc_console.rb

@@ -6,14 +6,11 @@ def visible?
   end
 
   def disabled?
-    super { remote_control_supported? }
-  end
-
-  private
-
-  def remote_control_supported?
-    @record.validate_remote_console_vmrc_support
-  rescue MiqException::RemoteConsoleNotSupportedError => err
-    @error_message = _('VM VMRC Console error: %{error}') % {:error => err}
+    begin
+      @record.validate_remote_console_vmrc_support
+    rescue MiqException::RemoteConsoleNotSupportedError => err
+      @error_message = _('VM VMRC Console error: %{error}') % {:error => err}
+    end
+    @error_message.present?
   end
 end

app/helpers/application_helper/toolbar/x_vm_center.rb

@@ -246,14 +246,6 @@ class ApplicationHelper::Toolbar::XVmCenter < ApplicationHelper::Toolbar::Basic
       N_('VM Remote Access'),
       N_('Access'),
       :items => [
-        button(
-          :vm_console,
-          'pficon pficon-screen fa-lg',
-          N_('Open a web-based MKS console for this VM'),
-          N_('VM Console'),
-          :url     => "console",
-          :confirm => N_("Opening a VM web-based console can take a while and requires that the VMware MKS plugin version configured for Management Engine already be installed and working.  Are you sure?"),
-          :klass   => ApplicationHelper::Button::VmConsole),
         button(
           :vm_webmks_console,
           'pficon pficon-screen fa-lg',

app/helpers/ui_constants.rb

@@ -33,9 +33,6 @@ module UiConstants
   TOP_TABLES_BY_WASTED_SPACE_COUNT = 5
   GIGABYTE = 1024 * 1024 * 1024
 
-  # VMware MKS version choices
-  MKS_VERSIONS = ["2.0.1.0", "2.0.2.0", "2.1.0.0"]
-
   # PDF page sizes
   PDF_PAGE_SIZES = {
     "a0"            => N_("A0 - 841mm x 1189mm"),

app/views/ops/_settings_server_tab.html.haml

@@ -127,23 +127,11 @@
         = _("Use")
       .col-md-8
         = select_tag('console_type',
-                    options_for_select([[_("VMware MKS Plugin"), "MKS"], [_("VMware WebMKS"), "WebMKS"], [_("VNC"), "VNC"], [_("VMware VMRC Plugin"), "VMRC"]],
+                    options_for_select([[_("VMware WebMKS"), "WebMKS"], [_("VNC"), "VNC"], [_("VMware VMRC Plugin"), "VMRC"]],
                     @edit[:new][:server][:remote_console_type]),
                     :class    => "selectpicker")
       :javascript
         miqSelectPickerEvent('console_type', "#{url}")
-
-    - if @edit[:new][:server][:remote_console_type] == "MKS"
-      .form-group
-        %label.col-md-2.control-label
-          = _("VMware MKS Plugin Version")
-        .col-md-8
-          = select_tag('server_mks_version',
-                        options_for_select(MKS_VERSIONS,
-                        @edit[:new][:server][:mks_version]),
-                        :class    => "selectpicker")
-      :javascript
-        miqSelectPickerEvent('server_mks_version', "#{url}")
   %hr
   %h3
     = _("NTP Servers")