Add username, button name and automate entry point to CustomButtonEvent.

https://bugzilla.redhat.com/show_bug.cgi?id=1511126

app/models/custom_button.rb

@@ -101,12 +101,14 @@ def publish_event(source, target, args)
       :message    => 'Custom button launched',
       :source     => source,
       :target     => target,
+      :username   => args[:username],
       :user_id    => args[:user_id],
       :group_id   => args[:miq_group_id],
       :tenant_id  => args[:tenant_id],
       :full_data  => {
         :args                 => args,
-        :automate_entry_point => resource_action.ae_path
+        :automate_entry_point => resource_action.ae_path,
+        :button_name          => name
       }
     )
   end

app/models/custom_button_event.rb

@@ -1,2 +1,12 @@
 class CustomButtonEvent < EventStream
+  virtual_column :button_name, :type => :string
+  virtual_column :automate_entry_point, :type => :string
+
+  def automate_entry_point
+    full_data[:automate_entry_point]
+  end
+
+  def button_name
+    full_data[:button_name]
+  end
 end

app/models/resource_action.rb

@@ -38,6 +38,7 @@ def automate_queue_hash(target, override_attrs, user)
       args[:user_id] ||= user.id
       args[:miq_group_id] ||= user.current_group.id
       args[:tenant_id] ||= user.current_tenant.id
+      args[:username] ||= user.userid
     end
   end