(feature) Update UI & Resource Availability

lib/k8s/server-delete.js

@@ -0,0 +1,55 @@
+import k8s from "@kubernetes/client-node";
+import { ERR } from "../util/logging.js";
+const kc = new k8s.KubeConfig();
+kc.loadFromDefault();
+
+const k8sDeps = kc.makeApiClient(k8s.AppsV1Api);
+const k8sCore = kc.makeApiClient(k8s.CoreV1Api);
+const namespace = process.env.MCL_SERVER_NAMESPACE;
+
+const deleteError = (res) => (err) => {
+  res.status(500).send("Error deleting a resource!");
+  ERR("K8S", "An error occurred while deleting a resource", err);
+};
+
+export default async function deleteServer(req, res) {
+  const serverSpec = req.body;
+  if (!serverSpec) return res.sendStatus(400);
+  if (!serverSpec.name) return res.status(400).send("Server name required!");
+  const { name } = serverSpec;
+  // Ensure deployment exists
+  const deploymentRes = await k8sDeps.listNamespacedDeployment(namespace);
+  const deployments = deploymentRes.body.items.map((i) => i.metadata.name);
+  if (!deployments.includes(`mcl-${serverSpec.name}`))
+    return res.status(409).send("Server does not exist!");
+  // Delete in reverse order
+  const deleteDeploy = k8sDeps.deleteNamespacedDeployment(
+    `mcl-${serverSpec.name}`,
+    namespace
+  );
+  const deleteService = k8sCore.deleteNamespacedService(
+    `mcl-${name}-server`,
+    namespace
+  );
+  const deleteRconService = k8sCore.deleteNamespacedService(
+    `mcl-${name}-rcon`,
+    namespace
+  );
+  await deleteDeploy.catch(deleteError(res));
+  const deleteRconSecret = k8sCore.deleteNamespacedSecret(
+    `mcl-${name}-rcon-secret`,
+    namespace
+  );
+  const deleteVolume = k8sCore.deleteNamespacedPersistentVolumeClaim(
+    `mcl-${name}-volume`,
+    namespace
+  );
+  Promise.all([
+    deleteService,
+    deleteRconService,
+    deleteRconSecret,
+    deleteVolume,
+  ])
+    .then(() => res.sendStatus(200))
+    .catch(deleteError(res));
+}