Handle k8s widget metrics call fails

src/pages/api/widgets/kubernetes.js

@@ -52,6 +52,7 @@ export default async function handler(req, res) {
       memTotal += mem;
     });
 
+    try {
       const nodeMetrics = await metricsApi.getNodeMetrics();
       nodeMetrics.items.forEach((nodeMetric) => {
         const cpu = parseCpu(nodeMetric.usage.cpu);
@@ -64,6 +65,12 @@ export default async function handler(req, res) {
         nodeMap[nodeMetric.metadata.name].memory.free = nodeMap[nodeMetric.metadata.name].memory.total - mem;
         nodeMap[nodeMetric.metadata.name].memory.percent = (mem / nodeMap[nodeMetric.metadata.name].memory.total) * 100;
       });
+    } catch (error) {
+      logger.error("Error getting metrics, ensure you have metrics-server installed: s", JSON.stringify(error));
+      return res.status(500).send({
+        error: "Error getting metrics, check logs for more details"
+      });
+    }
 
     const cluster = {
       cpu: {