Refs #36887 - use general permission, not per-host

app/models/concerns/api/v2/hosts_controller_extensions.rb

@@ -0,0 +1,12 @@
+module Api
+  module V2
+    module HostsControllerExtensions
+      extend ActiveSupport::Concern
+      def index_node_permissions
+        super.merge({
+          :can_create_job_invocations => authorized_for(:controller => 'job_invocations', :action => 'create'),
+        })
+      end
+    end
+  end
+end

app/views/api/v2/host/main.rabl

@@ -1,3 +1 @@
 attributes :cockpit_url
-
-extends "api/v2/host/permissions"

lib/foreman_remote_execution/engine.rb

@@ -337,6 +337,7 @@ class Engine < ::Rails::Engine
 
       ForemanRemoteExecution.register_rex_feature
 
+      ::Api::V2::HostsController.include Api::V2::HostsControllerExtensions
       ::Api::V2::SubnetsController.include ::ForemanRemoteExecution::Concerns::Api::V2::SubnetsControllerExtensions
       ::Api::V2::RegistrationController.prepend ::ForemanRemoteExecution::Concerns::Api::V2::RegistrationControllerExtensions
       ::Api::V2::RegistrationController.include ::ForemanRemoteExecution::Concerns::Api::V2::RegistrationControllerExtensions::ApipieExtensions

webpack/react_app/components/FeaturesDropdown/index.js

@@ -11,7 +11,7 @@ import { push } from 'connected-react-router';
 
 import { useAPI } from 'foremanReact/common/hooks/API/APIHooks';
 import { translate as __ } from 'foremanReact/common/I18n';
-import { foremanUrl } from 'foremanReact/common/helpers';
+import { foremanUrl, propsToCamelCase } from 'foremanReact/common/helpers';
 import { STATUS } from 'foremanReact/constants';
 
 import {
@@ -36,12 +36,12 @@ const FeaturesDropdown = ({
     : ALL_REX_FEATURES_URL;
   const { response, status } = useAPI('get', foremanUrl(rexFeaturesUrl));
   const dispatch = useDispatch();
+  const permissions = propsToCamelCase(
+    (isSingleHost ? response?.permissions : hostResponse?.response) || {}
+  );
   const canRunJob = isSingleHost
-    ? // eslint-disable-next-line camelcase
-      response?.permissions?.can_run_job
-    : hostResponse?.response?.results?.some(
-        result => result.can_create_job_invocations
-      );
+    ? permissions.canRunJob
+    : permissions.canCreateJobInvocations;
   if (!canRunJob) {
     return null;
   }