ACM-17523: Fixing duplicate Node Pool Names error during Cluster Provisioning. (stolostron#4259)

* fixing duplicate node pool name error during cluster creation

Signed-off-by: Nitin Dhevar <nitin.dhanabalan@gmail.com>

* updating error text for duplicate nodepool name

Signed-off-by: Nitin Dhevar <nitin.dhanabalan@gmail.com>

---------

Signed-off-by: Nitin Dhevar <nitin.dhanabalan@gmail.com>

Author: nitin-dhevar

frontend/public/locales/en/translation.json

@@ -1986,6 +1986,7 @@
   "node.status.ready": "Ready",
   "node.status.unhealthy": "Unhealthy",
   "node.status.unknown": "Unknown",
+  "nodepoolname.exists.error": "The node pool name must be unique.",
   "Nodes": "Nodes",
   "nodes xN": "nodes xN",
   "None": "None",

frontend/src/routes/Infrastructure/Clusters/ManagedClusters/CreateCluster/CreateCluster.tsx

@@ -376,6 +376,21 @@ export default function CreateCluster(props: { infrastructureType: ClusterInfras
     return undefined
   }
 
+  function validateKubeVirtNodePoolName(active: any, _controlData: any, templateObjectMap: any) {
+    const totalNodePools = templateObjectMap['<<main>>'].NodePool.length
+    const current = templateObjectMap['<<main>>'].NodePool[totalNodePools - 1].$raw.metadata.name
+    if (totalNodePools > 1) {
+      for (let i = 0; i < totalNodePools - 1; i++) {
+        if (current === templateObjectMap['<<main>>'].NodePool[i].$raw.metadata.name)
+          return t('nodepoolname.exists.error')
+      }
+    }
+    if (!KubeVirtNamespaceRegExp.test(active)) {
+      return t('import.form.invalid.dns.label')
+    }
+    return undefined
+  }
+
   function onControlInitialize(control: any) {
     switch (control.id) {
       case 'connection':
@@ -395,6 +410,14 @@ export default function CreateCluster(props: { infrastructureType: ClusterInfras
           control.available = ['clusters', ...hostedClusterNamespaces.map((hcn) => hcn.metadata.name)]
         }
         break
+      case 'nodePoolName':
+        if (infrastructureType === Provider.kubevirt) {
+          control.validation = {
+            contextTester: validateKubeVirtNodePoolName,
+            required: true,
+          }
+        }
+        break
       case 'additionalNetworks':
         if (infrastructureType === Provider.kubevirt) {
           control.validation = {