Kubernetes support

* Total CPU and Memory usage for the entire cluster
* Total CPU and Memory usage for kubernetes pods
* Service discovery via annotations on ingress
* No storage stats yet
* No network stats yet

src/utils/config/kubernetes.js

@@ -0,0 +1,27 @@
+import path from "path";
+import { readFileSync } from "fs";
+
+import yaml from "js-yaml";
+import { KubeConfig } from "@kubernetes/client-node";
+
+import checkAndCopyConfig from "utils/config/config";
+
+export default function getKubeConfig() {
+  checkAndCopyConfig("kubernetes.yaml");
+
+  const configFile = path.join(process.cwd(), "config", "kubernetes.yaml");
+  const configData = readFileSync(configFile, "utf8");
+  const config = yaml.load(configData);
+  const kc = new KubeConfig();
+
+  switch (config?.mode) {
+    case 'cluster':
+      kc.loadFromCluster();
+      break;
+    case 'default':
+    default:
+      kc.loadFromDefault();
+  }
+
+  return kc;
+}