Fixes #26758 - unify renderer_error helper

app/controllers/unattended_controller.rb

@@ -80,14 +80,6 @@ def preview?
     params.key?(:spoof) || params.key?(:hostname)
   end
 
-  def render_error(status, error_message, params)
-    logger.error error_message % params
-    message = _(error_message) % params
-    return render_ipxe_message(message: message, status: status) if ipxe_request?
-    # add a comment character (works with Red Hat and Debian systems) to avoid parsing errors
-    render(:plain => "# #{message}", :status => status, :content_type => 'text/plain')
-  end
-
   def render_intermediate_template
     ipxe_template_kind = TemplateKind.find_by(name: 'iPXE')
     name = Setting[:intermediate_ipxe_script]
@@ -171,7 +163,15 @@ def verify_found_host
     end
 
     error = host_verifier.errors.first
-    render_error(error[:type], error[:message], error[:params])
+    if ipxe_request?
+      render_ipxe_message(error[:message])
+    else
+      render_error(
+        :message => error[:message],
+        :error => error[:type],
+        :status => :internal_server_error
+      )
+    end
 
     false
   end