Check user permissions before fetching system settings

awx/ui/src/screens/Instances/Instance.js

@@ -4,6 +4,7 @@ import { t } from '@lingui/macro';
 import { Switch, Route, Redirect, Link, useRouteMatch } from 'react-router-dom';
 import { CaretLeftIcon } from '@patternfly/react-icons';
 import { Card, PageSection } from '@patternfly/react-core';
+import { useConfig } from 'contexts/Config';
 import ContentError from 'components/ContentError';
 import RoutedTabs from 'components/RoutedTabs';
 import useRequest from 'hooks/useRequest';
@@ -13,6 +14,9 @@ import InstanceDetail from './InstanceDetail';
 import InstancePeerList from './InstancePeers';
 
 function Instance({ setBreadcrumb }) {
+  const { me } = useConfig();
+  const canReadSettings = me.is_superuser || me.is_system_auditor;
+
   const match = useRouteMatch();
   const tabsArray = [
     {
@@ -30,19 +34,21 @@ function Instance({ setBreadcrumb }) {
   ];
 
   const {
-    result: { isK8s },
+    result: isK8s,
     error,
     isLoading,
     request,
   } = useRequest(
     useCallback(async () => {
+      if (!canReadSettings) {
+        return false;
+      }
       const { data } = await SettingsAPI.readCategory('system');
-      return {
+      return data?.IS_K8S ?? false;
-        isK8s: data.IS_K8S,
+    }, [canReadSettings]),
-      };
-    }, []),
     { isK8s: false, isLoading: true }
   );
+
   useEffect(() => {
     request();
   }, [request]);

awx/ui/src/screens/Instances/InstanceList/InstanceList.js

@@ -36,6 +36,7 @@ const QS_CONFIG = getQSConfig('instance', {
 function InstanceList() {
   const location = useLocation();
   const { me } = useConfig();
+  const canReadSettings = me.is_superuser || me.is_system_auditor;
   const [showHealthCheckAlert, setShowHealthCheckAlert] = useState(false);
   const [pendingHealthCheck, setPendingHealthCheck] = useState(false);
   const [canRunHealthCheck, setCanRunHealthCheck] = useState(true);
@@ -48,18 +49,24 @@ function InstanceList() {
   } = useRequest(
     useCallback(async () => {
       const params = parseQueryString(QS_CONFIG, location.search);
-      const [response, responseActions, sysSettings] = await Promise.all([
+
+      const [response, responseActions] = await Promise.all([
         InstancesAPI.read(params),
         InstancesAPI.readOptions(),
-        SettingsAPI.readCategory('system'),
       ]);
+
+      let sysSettings = {};
+      if (canReadSettings) {
+        sysSettings = await SettingsAPI.readCategory('system');
+      }
+
       const isPending = response.data.results.some(
         (i) => i.health_check_pending === true
       );
       setPendingHealthCheck(isPending);
       return {
         instances: response.data.results,
-        isK8s: sysSettings.data.IS_K8S,
+        isK8s: sysSettings?.data?.IS_K8S ?? false,
         count: response.data.count,
         actions: responseActions.data.actions,
         relatedSearchableKeys: (
@@ -67,7 +74,7 @@ function InstanceList() {
         ).map((val) => val.slice(0, -8)),
         searchableKeys: getSearchableKeys(responseActions.data.actions?.GET),
       };
-    }, [location.search]),
+    }, [location.search, canReadSettings]),
     {
       instances: [],
       count: 0,