Use translation

Signed-off-by: Dominika Zemanovicova <dzemanov@redhat.com>

plugins/kubernetes-cluster/package.json

@@ -10,9 +10,7 @@
     ]
   },
   "publishConfig": {
-    "access": "public",
-    "main": "dist/index.esm.js",
-    "types": "dist/index.d.ts"
+    "access": "public"
   },
   "keywords": [
     "backstage",
@@ -26,8 +24,23 @@
   },
   "license": "Apache-2.0",
   "sideEffects": false,
+  "exports": {
+    ".": "./src/index.ts",
+    "./alpha": "./src/alpha.ts",
+    "./package.json": "./package.json"
+  },
   "main": "src/index.ts",
   "types": "src/index.ts",
+  "typesVersions": {
+    "*": {
+      "alpha": [
+        "src/alpha.ts"
+      ],
+      "package.json": [
+        "package.json"
+      ]
+    }
+  },
   "files": [
     "dist"
   ],

plugins/kubernetes-cluster/report-alpha.api.md

@@ -0,0 +1,18 @@
+## API Report File for "@backstage/plugin-kubernetes-cluster"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { TranslationRef } from '@backstage/core-plugin-api/alpha';
+
+// @alpha (undocumented)
+export const kubernetesClusterTranslationRef: TranslationRef<
+  'kubernetes-cluster',
+  {
+    readonly 'kubernetesClusterContentPage.permissionAlert.message': "To view Kubernetes objects, contact your portal administrator to give you the 'kubernetes.clusters.read' permission.";
+    readonly 'kubernetesClusterContentPage.permissionAlert.title': 'Permission required';
+  }
+>;
+
+// (No @packageDocumentation comment for this package)
+```

plugins/kubernetes-cluster/src/alpha.ts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export { kubernetesClusterTranslationRef } from './translation';

plugins/kubernetes-cluster/src/components/KubernetesClusterContent/KubernetesClusterContent.tsx

@@ -26,6 +26,8 @@ import {
 import { WarningPanel } from '@backstage/core-components';
 import { kubernetesClustersReadPermission } from '@backstage/plugin-kubernetes-common';
 import { RequirePermission } from '@backstage/plugin-permission-react';
+import { useTranslationRef } from '@backstage/core-plugin-api/alpha';
+import { kubernetesClusterTranslationRef } from '../../translation';
 
 const ContentGrid = () => {
   const { error } = useKubernetesClusterError();
@@ -59,14 +61,15 @@ const ContentGrid = () => {
  * @public
  */
 export const KubernetesClusterContent = () => {
+  const { t } = useTranslationRef(kubernetesClusterTranslationRef);
+
   return (
     <RequirePermission
       permission={kubernetesClustersReadPermission}
       errorPage={
         <WarningPanel
-          title="Permission required"
-          message={`To view Kubernetes objects, contact your portal administrator to give you the
-                        '${kubernetesClustersReadPermission.name}' permission.`}
+          title={t('kubernetesClusterContentPage.permissionAlert.title')}
+          message={t('kubernetesClusterContentPage.permissionAlert.message')}
         />
       }
     >

plugins/kubernetes-cluster/src/translation.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { createTranslationRef } from '@backstage/core-plugin-api/alpha';
+
+/** @alpha */
+export const kubernetesClusterTranslationRef = createTranslationRef({
+  id: 'kubernetes-cluster',
+  messages: {
+    kubernetesClusterContentPage: {
+      permissionAlert: {
+        title: 'Permission required',
+        message:
+          "To view Kubernetes objects, contact your portal administrator to give you the 'kubernetes.clusters.read' permission.",
+      },
+    },
+  },
+});