From bd5c10e907669a01e4a372f590086d174e1cf7f8 Mon Sep 17 00:00:00 2001
From: shamoon <4887959+shamoon@users.noreply.github.com>
Date: Sun, 28 May 2023 19:56:51 -0700
Subject: [PATCH] Handle k8s widget metrics call fails

---
 src/pages/api/widgets/kubernetes.js | 31 ++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/src/pages/api/widgets/kubernetes.js b/src/pages/api/widgets/kubernetes.js
index b0d7f5531..35202ce5d 100644
--- a/src/pages/api/widgets/kubernetes.js
+++ b/src/pages/api/widgets/kubernetes.js
@@ -52,18 +52,25 @@ export default async function handler(req, res) {
       memTotal += mem;
     });
 
-    const nodeMetrics = await metricsApi.getNodeMetrics();
-    nodeMetrics.items.forEach((nodeMetric) => {
-      const cpu = parseCpu(nodeMetric.usage.cpu);
-      const mem = parseMemory(nodeMetric.usage.memory);
-      cpuUsage += cpu;
-      memUsage += mem;
-      nodeMap[nodeMetric.metadata.name].cpu.load = cpu;
-      nodeMap[nodeMetric.metadata.name].cpu.percent = (cpu / nodeMap[nodeMetric.metadata.name].cpu.total) * 100;
-      nodeMap[nodeMetric.metadata.name].memory.used = mem;
-      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;
-    });
+    try {
+      const nodeMetrics = await metricsApi.getNodeMetrics();
+      nodeMetrics.items.forEach((nodeMetric) => {
+        const cpu = parseCpu(nodeMetric.usage.cpu);
+        const mem = parseMemory(nodeMetric.usage.memory);
+        cpuUsage += cpu;
+        memUsage += mem;
+        nodeMap[nodeMetric.metadata.name].cpu.load = cpu;
+        nodeMap[nodeMetric.metadata.name].cpu.percent = (cpu / nodeMap[nodeMetric.metadata.name].cpu.total) * 100;
+        nodeMap[nodeMetric.metadata.name].memory.used = mem;
+        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: {