Fix scaling for non existing previous offering per node type

Author: nvazquez

plugins/integrations/kubernetes-service/src/main/java/com/cloud/kubernetes/cluster/actionworkers/KubernetesClusterScaleWorker.java

@@ -223,6 +223,9 @@ protected Pair<Long, Long> calculateNewClusterCountAndCapacity(Long newWorkerSiz
         } else {
             long nodeCount = getNodeCountForType(nodeType, kubernetesCluster);
             Long existingOfferingId = getExistingOfferingIdForNodeType(nodeType, kubernetesCluster);
+            if (existingOfferingId == null) {
+                existingOfferingId = serviceOffering.getId();
+            }
             ServiceOfferingVO previousOffering = serviceOfferingDao.findById(existingOfferingId);
             Pair<Long, Long> previousNodesCapacity = calculateNodesCapacity(previousOffering, nodeCount);
             if (WORKER == nodeType) {

ui/src/views/compute/CreateKubernetesCluster.vue

@@ -285,11 +285,11 @@
         </a-form-item>
         <a-form-item v-if="form.advancedmode" name="etcdnodes" ref="etcdnodes">
           <template #label>
-            <tooltip-label :title="$t('label.cks.cluster.etcd.nodes')" :tooltip="apiParams.controlnodes.description"/>
+            <tooltip-label :title="$t('label.cks.cluster.etcd.nodes')" :tooltip="apiParams.etcdnodes.description"/>
           </template>
           <a-input
             v-model:value="form.etcdnodes"
-            :placeholder="apiParams.controlnodes.description"/>
+            :placeholder="apiParams.etcdnodes.description"/>
         </a-form-item>
         <a-form-item v-if="form.advancedmode && form.etcdnodes && form.etcdnodes > 0" name="etcdofferingid" ref="etcdofferingid">
           <template #label>